master/fsm.c
author Florian Pose <fp@igh-essen.com>
Thu, 03 Aug 2006 12:59:01 +0000
branchstable-1.1
changeset 1715 e675450f2174
parent 293 14aeb79aa992
child 1716 9440f4ff25c7
permissions -rw-r--r--
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/******************************************************************************
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 *
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 *  $Id$
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 *
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 *  Copyright (C) 2006  Florian Pose, Ingenieurgemeinschaft IgH
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 *
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 *  This file is part of the IgH EtherCAT Master.
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 *
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 *  The IgH EtherCAT Master is free software; you can redistribute it
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 *  and/or modify it under the terms of the GNU General Public License
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 *  as published by the Free Software Foundation; either version 2 of the
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 *  License, or (at your option) any later version.
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 *
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 *  The IgH EtherCAT Master is distributed in the hope that it will be
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 *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with the IgH EtherCAT Master; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 *
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 *  The right to use EtherCAT Technology is granted and comes free of
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 *  charge under condition of compatibility of product made by
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 *  Licensee. People intending to distribute/sell products based on the
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 *  code, have to sign an agreement to guarantee that products using
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 *  software based on IgH EtherCAT master stay compatible with the actual
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 *  EtherCAT specification (which are released themselves as an open
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 *  standard) as the (only) precondition to have the right to use EtherCAT
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 *  Technology, IP and trade marks.
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 *
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 *****************************************************************************/
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/**
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   \file
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   EtherCAT finite state machines.
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*/
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/*****************************************************************************/
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#include "globals.h"
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#include "fsm.h"
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#include "master.h"
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/*****************************************************************************/
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void ec_fsm_master_start(ec_fsm_t *);
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void ec_fsm_master_broadcast(ec_fsm_t *);
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void ec_fsm_master_read_states(ec_fsm_t *);
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void ec_fsm_master_validate_vendor(ec_fsm_t *);
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void ec_fsm_master_validate_product(ec_fsm_t *);
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void ec_fsm_master_rewrite_addresses(ec_fsm_t *);
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void ec_fsm_master_configure_slave(ec_fsm_t *);
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void ec_fsm_master_scan_slaves(ec_fsm_t *);
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void ec_fsm_master_write_eeprom(ec_fsm_t *);
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void ec_fsm_startup_start(ec_fsm_t *);
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void ec_fsm_startup_broadcast(ec_fsm_t *);
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void ec_fsm_startup_scan(ec_fsm_t *);
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void ec_fsm_configuration_start(ec_fsm_t *);
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void ec_fsm_configuration_conf(ec_fsm_t *);
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void ec_fsm_slavescan_start(ec_fsm_t *);
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void ec_fsm_slavescan_address(ec_fsm_t *);
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void ec_fsm_slavescan_state(ec_fsm_t *);
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void ec_fsm_slavescan_base(ec_fsm_t *);
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void ec_fsm_slavescan_datalink(ec_fsm_t *);
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void ec_fsm_slavescan_eeprom_size(ec_fsm_t *);
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void ec_fsm_slavescan_eeprom_data(ec_fsm_t *);
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void ec_fsm_slaveconf_init(ec_fsm_t *);
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void ec_fsm_slaveconf_sync(ec_fsm_t *);
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void ec_fsm_slaveconf_preop(ec_fsm_t *);
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void ec_fsm_slaveconf_fmmu(ec_fsm_t *);
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void ec_fsm_slaveconf_saveop(ec_fsm_t *);
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void ec_fsm_slaveconf_op(ec_fsm_t *);
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void ec_fsm_sii_start_reading(ec_fsm_t *);
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void ec_fsm_sii_read_check(ec_fsm_t *);
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void ec_fsm_sii_read_fetch(ec_fsm_t *);
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void ec_fsm_sii_start_writing(ec_fsm_t *);
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void ec_fsm_sii_write_check(ec_fsm_t *);
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void ec_fsm_sii_write_check2(ec_fsm_t *);
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void ec_fsm_change_start(ec_fsm_t *);
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void ec_fsm_change_check(ec_fsm_t *);
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void ec_fsm_change_status(ec_fsm_t *);
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void ec_fsm_change_code(ec_fsm_t *);
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void ec_fsm_change_ack(ec_fsm_t *);
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void ec_fsm_change_check_ack(ec_fsm_t *);
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void ec_fsm_end(ec_fsm_t *);
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void ec_fsm_error(ec_fsm_t *);
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/*****************************************************************************/
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/**
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   Constructor.
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*/
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int ec_fsm_init(ec_fsm_t *fsm, /**< finite state machine */
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                ec_master_t *master /**< EtherCAT master */
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                )
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{
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    fsm->master = master;
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    fsm->master_state = ec_fsm_master_start;
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    fsm->master_slaves_responding = 0;
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    fsm->master_slave_states = EC_SLAVE_STATE_UNKNOWN;
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    fsm->master_validation = 0;
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    ec_datagram_init(&fsm->datagram);
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    if (ec_datagram_prealloc(&fsm->datagram, EC_MAX_DATA_SIZE)) {
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        EC_ERR("Failed to allocate FSM datagram.\n");
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        return -1;
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    }
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    return 0;
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}
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/*****************************************************************************/
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/**
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   Destructor.
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*/
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void ec_fsm_clear(ec_fsm_t *fsm /**< finite state machine */)
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{
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    ec_datagram_clear(&fsm->datagram);
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}
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/*****************************************************************************/
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/**
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   Resets the state machine.
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*/
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void ec_fsm_reset(ec_fsm_t *fsm /**< finite state machine */)
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{
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    fsm->master_state = ec_fsm_master_start;
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    fsm->master_slaves_responding = 0;
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    fsm->master_slave_states = EC_SLAVE_STATE_UNKNOWN;
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}
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/*****************************************************************************/
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/**
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   Executes the current state of the state machine.
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*/
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void ec_fsm_execute(ec_fsm_t *fsm /**< finite state machine */)
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{
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    fsm->master_state(fsm);
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}
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/*****************************************************************************/
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void ec_fsm_startup(ec_fsm_t *fsm)
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{
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    fsm->master_state = ec_fsm_startup_start;
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}
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/*****************************************************************************/
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int ec_fsm_startup_running(ec_fsm_t *fsm)
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{
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    return fsm->master_state != ec_fsm_end &&
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        fsm->master_state != ec_fsm_error;
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}
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/*****************************************************************************/
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int ec_fsm_startup_success(ec_fsm_t *fsm)
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{
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    return fsm->master_state == ec_fsm_end;
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}
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/*****************************************************************************/
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void ec_fsm_configuration(ec_fsm_t *fsm)
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{
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    fsm->master_state = ec_fsm_configuration_start;
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}
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/*****************************************************************************/
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int ec_fsm_configuration_running(ec_fsm_t *fsm)
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{
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    return fsm->master_state != ec_fsm_end &&
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        fsm->master_state != ec_fsm_error;
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}
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/*****************************************************************************/
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int ec_fsm_configuration_success(ec_fsm_t *fsm)
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{
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    return fsm->master_state == ec_fsm_end;
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}
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/******************************************************************************
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 *  master startup state machine
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 *****************************************************************************/
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/**
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   Master state: START.
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   Starts with getting slave count and slave states.
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*/
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void ec_fsm_startup_start(ec_fsm_t *fsm)
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{
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    ec_datagram_brd(&fsm->datagram, 0x0130, 2);
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    ec_master_queue_datagram(fsm->master, &fsm->datagram);
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    fsm->master_state = ec_fsm_startup_broadcast;
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}
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/*****************************************************************************/
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/**
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   Master state: BROADCAST.
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   Processes the broadcast read slave count and slaves states.
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*/
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void ec_fsm_startup_broadcast(ec_fsm_t *fsm /**< finite state machine */)
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{
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    ec_datagram_t *datagram = &fsm->datagram;
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    unsigned int i;
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    ec_slave_t *slave;
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    ec_master_t *master = fsm->master;
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    if (datagram->state != EC_DATAGRAM_RECEIVED) {
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        EC_ERR("Failed tor receive broadcast datagram.\n");
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        fsm->master_state = ec_fsm_error;
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        return;
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    }
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    EC_INFO("Scanning bus.\n");
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    ec_master_clear_slaves(master);
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    master->slave_count = datagram->working_counter;
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    if (!master->slave_count) {
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        // no slaves present -> finish state machine.
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        fsm->master_state = ec_fsm_end;
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        return;
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    }
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    // init slaves
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    for (i = 0; i < master->slave_count; i++) {
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        if (!(slave = (ec_slave_t *) kmalloc(sizeof(ec_slave_t),
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                                             GFP_KERNEL))) {
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            EC_ERR("Failed to allocate slave %i!\n", i);
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            fsm->master_state = ec_fsm_error;
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            return;
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        }
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        if (ec_slave_init(slave, master, i, i + 1)) {
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            fsm->master_state = ec_fsm_error;
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            return;
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        }
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        if (kobject_add(&slave->kobj)) {
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            EC_ERR("Failed to add kobject.\n");
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            kobject_put(&slave->kobj); // free
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            fsm->master_state = ec_fsm_error;
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            return;
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        }
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        list_add_tail(&slave->list, &master->slaves);
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    }
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    // begin scanning of slaves
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    fsm->slave = list_entry(master->slaves.next, ec_slave_t, list);
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    fsm->slave_state = ec_fsm_slavescan_start;
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    fsm->master_state = ec_fsm_startup_scan;
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    fsm->master_state(fsm); // execute immediately
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    return;
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}
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/*****************************************************************************/
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/**
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   Master state: SCAN.
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   Executes the sub-statemachine for the scanning of a slave.
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*/
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void ec_fsm_startup_scan(ec_fsm_t *fsm /**< finite state machine */)
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{
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    ec_master_t *master = fsm->master;
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    ec_slave_t *slave = fsm->slave;
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    fsm->slave_state(fsm); // execute slave state machine
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    if (fsm->slave_state == ec_fsm_error) {
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        EC_ERR("Slave scanning failed.\n");
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        fsm->master_state = ec_fsm_error;
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        return;
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    }
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    if (fsm->slave_state != ec_fsm_end) return;
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    // another slave to scan?
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    if (slave->list.next != &master->slaves) {
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        fsm->slave = list_entry(fsm->slave->list.next, ec_slave_t, list);
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        fsm->slave_state = ec_fsm_slavescan_start;
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        fsm->slave_state(fsm); // execute immediately
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        return;
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    }
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    EC_INFO("Bus scanning completed.\n");
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    ec_master_calc_addressing(master);
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    fsm->master_state = ec_fsm_end;
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}
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/******************************************************************************
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 *  master configuration state machine
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 *****************************************************************************/
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void ec_fsm_configuration_start(ec_fsm_t *fsm /**< finite state machine */)
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{
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    ec_master_t *master = fsm->master;
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    if (list_empty(&master->slaves)) {
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        fsm->master_state = ec_fsm_end;
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        return;
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    }
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    // begin configuring slaves
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    fsm->slave = list_entry(master->slaves.next, ec_slave_t, list);
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    fsm->slave_state = ec_fsm_slaveconf_init;
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    fsm->change_new = EC_SLAVE_STATE_INIT;
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    fsm->change_state = ec_fsm_change_start;
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    fsm->master_state = ec_fsm_configuration_conf;
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    fsm->master_state(fsm); // execute immediately
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   337
}
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/*****************************************************************************/
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/**
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   Master state: CONF.
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*/
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void ec_fsm_configuration_conf(ec_fsm_t *fsm /**< finite state machine */)
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{
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    ec_master_t *master = fsm->master;
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    ec_slave_t *slave = fsm->slave;
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    fsm->slave_state(fsm); // execute slave's state machine
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    if (fsm->slave_state == ec_fsm_error) {
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        fsm->master_state = ec_fsm_error;
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        return;
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    }
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    if (fsm->slave_state != ec_fsm_end) return;
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    // another slave to configure?
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    if (slave->list.next != &master->slaves) {
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        fsm->slave = list_entry(fsm->slave->list.next, ec_slave_t, list);
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        fsm->slave_state = ec_fsm_slaveconf_init;
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        fsm->change_new = EC_SLAVE_STATE_INIT;
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        fsm->change_state = ec_fsm_change_start;
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        fsm->master_state(fsm); // execute immediately
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        return;
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    }
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    fsm->master_state = ec_fsm_end;
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}
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   371
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parents: 293
diff changeset
   372
/******************************************************************************
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
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parents: 293
diff changeset
   373
 *  operation / idle state machine
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
 *****************************************************************************/
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
/**
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   377
   Master state: START.
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
   Starts with getting slave count and slave states.
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
*/
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
void ec_fsm_master_start(ec_fsm_t *fsm)
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   383
    ec_datagram_brd(&fsm->datagram, 0x0130, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   384
    ec_master_queue_datagram(fsm->master, &fsm->datagram);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   385
    fsm->master_state = ec_fsm_master_broadcast;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   386
}
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   387
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   388
/*****************************************************************************/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   389
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   390
/**
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   391
   Master state: BROADCAST.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   392
   Processes the broadcast read slave count and slaves states.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   393
*/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   394
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   395
void ec_fsm_master_broadcast(ec_fsm_t *fsm /**< finite state machine */)
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   396
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   397
    ec_datagram_t *datagram = &fsm->datagram;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   398
    unsigned int topology_change, states_change, i;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
    ec_slave_t *slave;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   400
    ec_master_t *master = fsm->master;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
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parents: 293
diff changeset
   402
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   403
        if (!master->device->link_state) {
254
986afccca9ea Link down treated as topology change in state machine.
Florian Pose <fp@igh-essen.com>
parents: 251
diff changeset
   404
            fsm->master_slaves_responding = 0;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   405
            list_for_each_entry(slave, &master->slaves, list) {
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   406
                slave->online = 0;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   407
            }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   408
        }
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
        fsm->master_state = ec_fsm_master_start;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
        fsm->master_state(fsm); // execute immediately
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
        return;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
    }
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   414
    topology_change = (datagram->working_counter !=
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   415
                       fsm->master_slaves_responding);
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   416
    states_change = (EC_READ_U8(datagram->data) != fsm->master_slave_states);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   417
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   418
    fsm->master_slave_states = EC_READ_U8(datagram->data);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   419
    fsm->master_slaves_responding = datagram->working_counter;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   420
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   421
    if (topology_change) {
262
636d43737371 Corrected output at slave count change.
Florian Pose <fp@igh-essen.com>
parents: 260
diff changeset
   422
        EC_INFO("%i slave%s responding.\n",
636d43737371 Corrected output at slave count change.
Florian Pose <fp@igh-essen.com>
parents: 260
diff changeset
   423
                fsm->master_slaves_responding,
636d43737371 Corrected output at slave count change.
Florian Pose <fp@igh-essen.com>
parents: 260
diff changeset
   424
                fsm->master_slaves_responding == 1 ? "" : "s");
636d43737371 Corrected output at slave count change.
Florian Pose <fp@igh-essen.com>
parents: 260
diff changeset
   425
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e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   426
        if (master->mode == EC_MASTER_MODE_OPERATION) {
262
636d43737371 Corrected output at slave count change.
Florian Pose <fp@igh-essen.com>
parents: 260
diff changeset
   427
            if (fsm->master_slaves_responding == master->slave_count) {
636d43737371 Corrected output at slave count change.
Florian Pose <fp@igh-essen.com>
parents: 260
diff changeset
   428
                fsm->master_validation = 1; // start validation later
636d43737371 Corrected output at slave count change.
Florian Pose <fp@igh-essen.com>
parents: 260
diff changeset
   429
            }
636d43737371 Corrected output at slave count change.
Florian Pose <fp@igh-essen.com>
parents: 260
diff changeset
   430
            else {
636d43737371 Corrected output at slave count change.
Florian Pose <fp@igh-essen.com>
parents: 260
diff changeset
   431
                EC_WARN("Invalid slave count. Bus in tainted state.\n");
636d43737371 Corrected output at slave count change.
Florian Pose <fp@igh-essen.com>
parents: 260
diff changeset
   432
            }
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   433
        }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   434
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   435
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   436
    if (states_change) {
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   437
        char states[25];
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   438
        ec_state_string(fsm->master_slave_states, states);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   439
        EC_INFO("Slave states: %s.\n", states);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   440
    }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   441
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   442
    // topology change in idle mode: clear all slaves and scan the bus
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   443
    if (topology_change && master->mode == EC_MASTER_MODE_IDLE) {
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   444
        EC_INFO("Scanning bus.\n");
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   445
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   446
        ec_master_eoe_stop(master);
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   447
        ec_master_clear_slaves(master);
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   448
1715
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parents: 293
diff changeset
   449
        master->slave_count = datagram->working_counter;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   450
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   451
        if (!master->slave_count) {
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   452
            // no slaves present -> finish state machine.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   453
            fsm->master_state = ec_fsm_master_start;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   454
            fsm->master_state(fsm); // execute immediately
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   455
            return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   456
        }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   457
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   458
        // init slaves
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   459
        for (i = 0; i < master->slave_count; i++) {
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   460
            if (!(slave = (ec_slave_t *) kmalloc(sizeof(ec_slave_t),
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   461
                                                 GFP_ATOMIC))) {
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   462
                EC_ERR("Failed to allocate slave %i!\n", i);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   463
                ec_master_clear_slaves(master);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   464
                fsm->master_state = ec_fsm_master_start;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   465
                fsm->master_state(fsm); // execute immediately
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   466
                return;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   467
            }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   468
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   469
            if (ec_slave_init(slave, master, i, i + 1)) {
1715
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   470
                // freeing of "slave" already done
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   471
                ec_master_clear_slaves(master);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   472
                fsm->master_state = ec_fsm_master_start;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   473
                fsm->master_state(fsm); // execute immediately
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   474
                return;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   475
            }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   476
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   477
            if (kobject_add(&slave->kobj)) {
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   478
                EC_ERR("Failed to add kobject.\n");
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   479
                kobject_put(&slave->kobj); // free
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   480
                ec_master_clear_slaves(master);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   481
                fsm->master_state = ec_fsm_master_start;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   482
                fsm->master_state(fsm); // execute immediately
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   483
                return;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   484
            }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   485
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   486
            list_add_tail(&slave->list, &master->slaves);
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   487
        }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   488
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   489
        // begin scanning of slaves
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   490
        fsm->slave = list_entry(master->slaves.next, ec_slave_t, list);
1715
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   491
        fsm->slave_state = ec_fsm_slavescan_start;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   492
        fsm->master_state = ec_fsm_master_scan_slaves;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   493
        fsm->master_state(fsm); // execute immediately
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   494
        return;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   495
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   496
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   497
    // fetch state from each slave
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   498
    fsm->slave = list_entry(master->slaves.next, ec_slave_t, list);
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   499
    ec_datagram_nprd(&fsm->datagram, fsm->slave->station_address, 0x0130, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   500
    ec_master_queue_datagram(master, &fsm->datagram);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   501
    fsm->master_state = ec_fsm_master_read_states;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   502
}
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   503
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   504
/*****************************************************************************/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   505
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   506
/**
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
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parents: 293
diff changeset
   507
   Master action: PROC_STATES.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   508
   Processes the slave states.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   509
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   510
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
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parents: 293
diff changeset
   511
void ec_fsm_master_action_process_states(ec_fsm_t *fsm
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
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parents: 293
diff changeset
   512
                                         /**< finite state machine */
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   513
                                         )
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   514
{
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   515
    ec_master_t *master = fsm->master;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
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parents: 293
diff changeset
   516
    ec_slave_t *slave;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
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parents: 293
diff changeset
   517
    char old_state[25], new_state[25];
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   518
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   519
    // check if any slaves are not in the state, they're supposed to be
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
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parents: 293
diff changeset
   520
    list_for_each_entry(slave, &master->slaves, list) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
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parents: 293
diff changeset
   521
        if (slave->error_flag ||
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   522
            !slave->online ||
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parents: 293
diff changeset
   523
            slave->requested_state == EC_SLAVE_STATE_UNKNOWN ||
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   524
            slave->current_state == slave->requested_state) continue;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   525
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   526
        ec_state_string(slave->current_state, old_state);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   527
        ec_state_string(slave->requested_state, new_state);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   528
        EC_INFO("Changing state of slave %i from %s to %s.\n",
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
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parents: 293
diff changeset
   529
                slave->ring_position, old_state, new_state);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   530
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
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parents: 293
diff changeset
   531
        fsm->slave = slave;
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parents: 293
diff changeset
   532
        fsm->slave_state = ec_fsm_slaveconf_init;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   533
        fsm->change_new = EC_SLAVE_STATE_INIT;
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   534
        fsm->change_state = ec_fsm_change_start;
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   535
        fsm->master_state = ec_fsm_master_configure_slave;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   536
        fsm->master_state(fsm); // execute immediately
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   537
        return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   538
    }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   539
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   540
    // Check, if EoE processing has to be started
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   541
    ec_master_eoe_start(master);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   542
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   543
    if (master->mode == EC_MASTER_MODE_IDLE) {
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   544
        // nothing to configure. check for pending EEPROM write operations.
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   545
        list_for_each_entry(slave, &master->slaves, list) {
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   546
            if (!slave->new_eeprom_data) continue;
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   547
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   548
            if (!slave->online || slave->error_flag) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   549
                kfree(slave->new_eeprom_data);
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   550
                slave->new_eeprom_data = NULL;
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   551
                EC_ERR("Discarding EEPROM data, slave %i not ready.\n",
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   552
                       slave->ring_position);
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   553
                continue;
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   554
            }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   555
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   556
            // found pending EEPROM write operation. execute it!
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   557
            EC_INFO("Writing EEPROM of slave %i...\n", slave->ring_position);
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   558
            fsm->sii_offset = 0x0000;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   559
            memcpy(fsm->sii_value, slave->new_eeprom_data, 2);
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   560
            fsm->sii_mode = 1;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   561
            fsm->sii_state = ec_fsm_sii_start_writing;
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   562
            fsm->slave = slave;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   563
            fsm->master_state = ec_fsm_master_write_eeprom;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   564
            fsm->master_state(fsm); // execute immediately
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   565
            return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   566
        }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   567
    }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   568
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   569
    // nothing to do. restart master state machine.
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   570
    fsm->master_state = ec_fsm_master_start;
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   571
    fsm->master_state(fsm); // execute immediately
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   572
}
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   573
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   574
/*****************************************************************************/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   575
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   576
/**
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   577
   Master action: Get state of next slave.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   578
*/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   579
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   580
void ec_fsm_master_action_next_slave_state(ec_fsm_t *fsm
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   581
                                           /**< finite state machine */)
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   582
{
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   583
    ec_master_t *master = fsm->master;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   584
    ec_slave_t *slave = fsm->slave;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   585
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
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parents: 293
diff changeset
   586
    // is there another slave to query?
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   587
    if (slave->list.next != &master->slaves) {
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   588
        // process next slave
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   589
        fsm->slave = list_entry(fsm->slave->list.next, ec_slave_t, list);
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   590
        ec_datagram_nprd(&fsm->datagram, fsm->slave->station_address,
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   591
                         0x0130, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   592
        ec_master_queue_datagram(master, &fsm->datagram);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   593
        fsm->master_state = ec_fsm_master_read_states;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   594
        return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   595
    }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   596
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   597
    // all slave states read
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   598
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   599
    // check, if a bus validation has to be done
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   600
    if (fsm->master_validation) {
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   601
        fsm->master_validation = 0;
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   602
        list_for_each_entry(slave, &master->slaves, list) {
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   603
            if (slave->online) continue;
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   604
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   605
            // At least one slave is offline. validate!
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   606
            EC_INFO("Validating bus.\n");
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   607
            fsm->slave = list_entry(master->slaves.next, ec_slave_t, list);
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   608
            fsm->master_state = ec_fsm_master_validate_vendor;
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   609
            fsm->sii_offset = 0x0008; // vendor ID
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   610
            fsm->sii_mode = 0;
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   611
            fsm->sii_state = ec_fsm_sii_start_reading;
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   612
            fsm->sii_state(fsm); // execute immediately
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   613
            return;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   614
        }
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   615
    }
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   616
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   617
    ec_fsm_master_action_process_states(fsm);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   618
}
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   619
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   620
/*****************************************************************************/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   621
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   622
/**
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   623
   Master state: STATES.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   624
   Fetches the AL- and online state of a slave.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   625
*/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   626
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   627
void ec_fsm_master_read_states(ec_fsm_t *fsm /**< finite state machine */)
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   628
{
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   629
    ec_slave_t *slave = fsm->slave;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   630
    ec_datagram_t *datagram = &fsm->datagram;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   631
    uint8_t new_state;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   632
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   633
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
        fsm->master_state = ec_fsm_master_start;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
        fsm->master_state(fsm); // execute immediately
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
        return;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
    }
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   639
    // did the slave not respond to its station address?
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   640
    if (datagram->working_counter != 1) {
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   641
        if (slave->online) {
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   642
            slave->online = 0;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   643
            EC_INFO("Slave %i: offline.\n", slave->ring_position);
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   644
        }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   645
        ec_fsm_master_action_next_slave_state(fsm);
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   646
        return;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   647
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   648
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   649
    // slave responded
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   650
    new_state = EC_READ_U8(datagram->data);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   651
    if (!slave->online) { // slave was offline before
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   652
        char cur_state[25];
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   653
        slave->online = 1;
291
0b1f877cf3f1 Slave: state_error -> error_flag, error_flag only in slave state machine.
Florian Pose <fp@igh-essen.com>
parents: 290
diff changeset
   654
        slave->error_flag = 0; // clear error flag
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   655
        slave->current_state = new_state;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   656
        ec_state_string(slave->current_state, cur_state);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   657
        EC_INFO("Slave %i: online (%s).\n", slave->ring_position, cur_state);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   658
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   659
    else if (new_state != slave->current_state) {
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   660
        char old_state[25], cur_state[25];
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   661
        ec_state_string(slave->current_state, old_state);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   662
        ec_state_string(new_state, cur_state);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   663
        EC_INFO("Slave %i: %s -> %s.\n",
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   664
                slave->ring_position, old_state, cur_state);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   665
        slave->current_state = new_state;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   666
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   667
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   668
    ec_fsm_master_action_next_slave_state(fsm);
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   669
}
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   670
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   671
/*****************************************************************************/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   672
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   673
/**
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   674
   Master state: VALIDATE_VENDOR.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   675
   Validates the vendor ID of a slave.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   676
*/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   677
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   678
void ec_fsm_master_validate_vendor(ec_fsm_t *fsm /**< finite state machine */)
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   679
{
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   680
    ec_slave_t *slave = fsm->slave;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   681
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   682
    fsm->sii_state(fsm); // execute SII state machine
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   683
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   684
    if (fsm->sii_state == ec_fsm_error) {
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   685
        fsm->slave->error_flag = 1;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   686
        EC_ERR("Failed to validate vendor ID of slave %i.\n",
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   687
               slave->ring_position);
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
        fsm->master_state = ec_fsm_master_start;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
        fsm->master_state(fsm); // execute immediately
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
        return;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
    }
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   693
    if (fsm->sii_state != ec_fsm_end) return;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   694
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   695
    if (EC_READ_U32(fsm->sii_value) != slave->sii_vendor_id) {
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   696
        EC_ERR("Slave %i: invalid vendor ID!\n", slave->ring_position);
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
        fsm->master_state = ec_fsm_master_start;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
        fsm->master_state(fsm); // execute immediately
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
        return;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
    }
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   702
    // vendor ID is ok. check product code.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   703
    fsm->master_state = ec_fsm_master_validate_product;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   704
    fsm->sii_offset = 0x000A; // product code
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   705
    fsm->sii_mode = 0;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   706
    fsm->sii_state = ec_fsm_sii_start_reading;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   707
    fsm->sii_state(fsm); // execute immediately
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   708
}
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   709
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   710
/*****************************************************************************/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   711
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   712
/**
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   713
   Master action: ADDRESS.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   714
   Looks for slave, that have lost their configuration and writes
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   715
   their station address, so that they can be reconfigured later.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   716
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   717
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   718
void ec_fsm_master_action_addresses(ec_fsm_t *fsm /**< finite state machine */)
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   719
{
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   720
    ec_datagram_t *datagram = &fsm->datagram;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   721
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   722
    while (fsm->slave->online) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   723
        if (fsm->slave->list.next == &fsm->master->slaves) { // last slave?
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   724
            fsm->master_state = ec_fsm_master_start;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   725
            fsm->master_state(fsm); // execute immediately
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   726
            return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   727
        }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   728
        // check next slave
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   729
        fsm->slave = list_entry(fsm->slave->list.next, ec_slave_t, list);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   730
    }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   731
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   732
    EC_INFO("Reinitializing slave %i.\n", fsm->slave->ring_position);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   733
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   734
    // write station address
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   735
    ec_datagram_apwr(datagram, fsm->slave->ring_position, 0x0010, 2);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   736
    EC_WRITE_U16(datagram->data, fsm->slave->station_address);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   737
    ec_master_queue_datagram(fsm->master, datagram);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   738
    fsm->master_state = ec_fsm_master_rewrite_addresses;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   739
}
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   740
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   741
/*****************************************************************************/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   742
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   743
/**
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   744
   Master state: VALIDATE_PRODUCT.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   745
   Validates the product ID of a slave.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   746
*/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   747
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   748
void ec_fsm_master_validate_product(ec_fsm_t *fsm /**< finite state machine */)
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   749
{
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   750
    ec_slave_t *slave = fsm->slave;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   751
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   752
    fsm->sii_state(fsm); // execute SII state machine
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   753
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   754
    if (fsm->sii_state == ec_fsm_error) {
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   755
        fsm->slave->error_flag = 1;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   756
        EC_ERR("Failed to validate product code of slave %i.\n",
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   757
               slave->ring_position);
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   758
        fsm->master_state = ec_fsm_master_start;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   759
        fsm->master_state(fsm); // execute immediately
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   760
        return;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   761
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   762
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   763
    if (fsm->sii_state != ec_fsm_end) return;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   764
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   765
    if (EC_READ_U32(fsm->sii_value) != slave->sii_product_code) {
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   766
        EC_ERR("Slave %i: invalid product code!\n", slave->ring_position);
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   767
        EC_ERR("expected 0x%08X, got 0x%08X.\n", slave->sii_product_code,
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   768
               EC_READ_U32(fsm->sii_value));
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   769
        fsm->master_state = ec_fsm_master_start;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   770
        fsm->master_state(fsm); // execute immediately
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   771
        return;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   772
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   773
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   774
    // have all states been validated?
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   775
    if (slave->list.next == &fsm->master->slaves) {
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   776
        fsm->slave = list_entry(fsm->master->slaves.next, ec_slave_t, list);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   777
        // start writing addresses to offline slaves
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   778
        ec_fsm_master_action_addresses(fsm);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   779
        return;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   780
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   781
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   782
    // validate next slave
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   783
    fsm->slave = list_entry(fsm->slave->list.next, ec_slave_t, list);
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   784
    fsm->master_state = ec_fsm_master_validate_vendor;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   785
    fsm->sii_offset = 0x0008; // vendor ID
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   786
    fsm->sii_mode = 0;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   787
    fsm->sii_state = ec_fsm_sii_start_reading;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   788
    fsm->sii_state(fsm); // execute immediately
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   789
}
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   790
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   791
/*****************************************************************************/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   792
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   793
/**
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   794
   Master state: ADDRESS.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   795
   Checks, if the new station address has been written to the slave.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   796
*/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   797
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   798
void ec_fsm_master_rewrite_addresses(ec_fsm_t *fsm
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   799
                                     /**< finite state machine */
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   800
                                     )
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   801
{
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   802
    ec_slave_t *slave = fsm->slave;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   803
    ec_datagram_t *datagram = &fsm->datagram;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   804
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   805
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   806
        || datagram->working_counter != 1) {
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   807
        EC_ERR("Failed to write station address on slave %i.\n",
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   808
               slave->ring_position);
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   809
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   810
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   811
    if (fsm->slave->list.next == &fsm->master->slaves) { // last slave?
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   812
        fsm->master_state = ec_fsm_master_start;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   813
        fsm->master_state(fsm); // execute immediately
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   814
        return;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   815
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   816
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   817
    // check next slave
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   818
    fsm->slave = list_entry(fsm->slave->list.next, ec_slave_t, list);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   819
    // Write new station address to slave
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   820
    ec_fsm_master_action_addresses(fsm);
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
}
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
/*****************************************************************************/
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
/**
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   826
   Master state: SCAN.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   827
   Executes the sub-statemachine for the scanning of a slave.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   828
*/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   829
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   830
void ec_fsm_master_scan_slaves(ec_fsm_t *fsm /**< finite state machine */)
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
{
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
    ec_master_t *master = fsm->master;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   833
    ec_slave_t *slave = fsm->slave;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   834
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
    fsm->slave_state(fsm); // execute slave state machine
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   838
    if (fsm->slave_state != ec_fsm_end
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   839
        && fsm->slave_state != ec_fsm_error) return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   840
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   841
    // another slave to fetch?
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   842
    if (slave->list.next != &master->slaves) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   843
        fsm->slave = list_entry(fsm->slave->list.next, ec_slave_t, list);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   844
        fsm->slave_state = ec_fsm_slavescan_start;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   845
        fsm->slave_state(fsm); // execute immediately
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   846
        return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   847
    }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   848
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   849
    EC_INFO("Bus scanning completed.\n");
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   850
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   851
    ec_master_calc_addressing(master);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   852
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   853
    // determine initial states.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   854
    list_for_each_entry(slave, &master->slaves, list) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   855
        if (ec_slave_is_coupler(slave)) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   856
            slave->requested_state = EC_SLAVE_STATE_OP;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   857
        }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   858
        else {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   859
            if (master->mode == EC_MASTER_MODE_OPERATION)
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   860
                slave->requested_state = EC_SLAVE_STATE_PREOP;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   861
            else
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   862
                slave->requested_state = EC_SLAVE_STATE_INIT;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   863
        }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   864
    }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   865
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   866
    fsm->master_state = ec_fsm_master_start;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   867
    fsm->master_state(fsm); // execute immediately
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
}
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
/*****************************************************************************/
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
/**
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   873
   Master state: CONF.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   874
   Starts configuring a slave.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   875
*/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   876
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   877
void ec_fsm_master_configure_slave(ec_fsm_t *fsm
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   878
                                   /**< finite state machine */
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   879
                                   )
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   880
{
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   881
    fsm->slave_state(fsm); // execute slave's state machine
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   882
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   883
    if (fsm->slave_state != ec_fsm_end
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   884
        && fsm->slave_state != ec_fsm_error) return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   885
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   886
    ec_fsm_master_action_process_states(fsm);
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
}
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   889
/*****************************************************************************/
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   890
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   891
/**
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   892
   Master state: EEPROM.
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   893
*/
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   894
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   895
void ec_fsm_master_write_eeprom(ec_fsm_t *fsm /**< finite state machine */)
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   896
{
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   897
    ec_slave_t *slave = fsm->slave;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   898
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   899
    fsm->sii_state(fsm); // execute SII state machine
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   900
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   901
    if (fsm->sii_state == ec_fsm_error) {
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   902
        fsm->slave->error_flag = 1;
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   903
        EC_ERR("Failed to write EEPROM contents to slave %i.\n",
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   904
               slave->ring_position);
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   905
        kfree(slave->new_eeprom_data);
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   906
        slave->new_eeprom_data = NULL;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   907
        fsm->master_state = ec_fsm_master_start;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   908
        fsm->master_state(fsm); // execute immediately
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   909
        return;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   910
    }
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   911
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   912
    if (fsm->sii_state != ec_fsm_end) return;
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   913
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   914
    fsm->sii_offset++;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   915
    if (fsm->sii_offset < slave->new_eeprom_size) {
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   916
        memcpy(fsm->sii_value, slave->new_eeprom_data + fsm->sii_offset, 2);
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   917
        fsm->sii_state = ec_fsm_sii_start_writing;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   918
        fsm->sii_state(fsm); // execute immediately
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   919
        return;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   920
    }
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   921
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   922
    // finished writing EEPROM
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   923
    EC_INFO("Finished writing EEPROM of slave %i.\n", slave->ring_position);
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   924
    kfree(slave->new_eeprom_data);
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   925
    slave->new_eeprom_data = NULL;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   926
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   927
    // TODO: Evaluate new EEPROM contents!
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   928
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   929
    // restart master state machine.
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   930
    fsm->master_state = ec_fsm_master_start;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   931
    fsm->master_state(fsm); // execute immediately
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   932
    return;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   933
}
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
   934
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
/******************************************************************************
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   936
 *  slave scan state machine
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
 *****************************************************************************/
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
/**
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
   940
   Slave state: START_READING.
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
   First state of the slave state machine. Writes the station address to the
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
   slave, according to its ring position.
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
*/
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   945
void ec_fsm_slavescan_start(ec_fsm_t *fsm /**< finite state machine */)
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   947
    ec_datagram_t *datagram = &fsm->datagram;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
    // write station address
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   950
    ec_datagram_apwr(datagram, fsm->slave->ring_position, 0x0010, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   951
    EC_WRITE_U16(datagram->data, fsm->slave->station_address);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   952
    ec_master_queue_datagram(fsm->master, datagram);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   953
    fsm->slave_state = ec_fsm_slavescan_address;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   954
}
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   955
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   956
/*****************************************************************************/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   957
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   958
/**
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   959
   Slave state: ADDRESS.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   960
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   961
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   962
void ec_fsm_slavescan_address(ec_fsm_t *fsm /**< finite state machine */)
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   963
{
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   964
    ec_datagram_t *datagram = &fsm->datagram;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   965
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   966
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   967
        || datagram->working_counter != 1) {
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   968
        fsm->slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   969
        fsm->slave_state = ec_fsm_error;
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   970
        EC_ERR("Failed to write station address of slave %i.\n",
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
               fsm->slave->ring_position);
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   972
        return;
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   973
    }
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   974
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   975
    // Read AL state
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   976
    ec_datagram_nprd(datagram, fsm->slave->station_address, 0x0130, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
   977
    ec_master_queue_datagram(fsm->master, datagram);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   978
    fsm->slave_state = ec_fsm_slavescan_state;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   979
}
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   980
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   981
/*****************************************************************************/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   982
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   983
/**
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   984
   Slave state: STATE.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   985
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   986
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   987
void ec_fsm_slavescan_state(ec_fsm_t *fsm /**< finite state machine */)
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   988
{
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   989
    ec_datagram_t *datagram = &fsm->datagram;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   990
    ec_slave_t *slave = fsm->slave;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   991
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   992
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   993
        || datagram->working_counter != 1) {
291
0b1f877cf3f1 Slave: state_error -> error_flag, error_flag only in slave state machine.
Florian Pose <fp@igh-essen.com>
parents: 290
diff changeset
   994
        fsm->slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
   995
        fsm->slave_state = ec_fsm_error;
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   996
        EC_ERR("Failed to read AL state of slave %i.\n",
255
6b916cce7f27 Read current AL status of slaves while scanning bus.
Florian Pose <fp@igh-essen.com>
parents: 254
diff changeset
   997
               fsm->slave->ring_position);
6b916cce7f27 Read current AL status of slaves while scanning bus.
Florian Pose <fp@igh-essen.com>
parents: 254
diff changeset
   998
        return;
6b916cce7f27 Read current AL status of slaves while scanning bus.
Florian Pose <fp@igh-essen.com>
parents: 254
diff changeset
   999
    }
6b916cce7f27 Read current AL status of slaves while scanning bus.
Florian Pose <fp@igh-essen.com>
parents: 254
diff changeset
  1000
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1001
    slave->current_state = EC_READ_U8(datagram->data);
255
6b916cce7f27 Read current AL status of slaves while scanning bus.
Florian Pose <fp@igh-essen.com>
parents: 254
diff changeset
  1002
    if (slave->current_state & EC_ACK) {
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1003
        EC_WARN("Slave %i has state error bit set (0x%02X)!\n",
255
6b916cce7f27 Read current AL status of slaves while scanning bus.
Florian Pose <fp@igh-essen.com>
parents: 254
diff changeset
  1004
                slave->ring_position, slave->current_state);
6b916cce7f27 Read current AL status of slaves while scanning bus.
Florian Pose <fp@igh-essen.com>
parents: 254
diff changeset
  1005
        slave->current_state &= 0x0F;
6b916cce7f27 Read current AL status of slaves while scanning bus.
Florian Pose <fp@igh-essen.com>
parents: 254
diff changeset
  1006
    }
6b916cce7f27 Read current AL status of slaves while scanning bus.
Florian Pose <fp@igh-essen.com>
parents: 254
diff changeset
  1007
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
    // read base data
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1009
    ec_datagram_nprd(datagram, fsm->slave->station_address, 0x0000, 6);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1010
    ec_master_queue_datagram(fsm->master, datagram);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1011
    fsm->slave_state = ec_fsm_slavescan_base;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1012
}
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1013
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1014
/*****************************************************************************/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1015
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1016
/**
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1017
   Slave state: BASE.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1018
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1019
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1020
void ec_fsm_slavescan_base(ec_fsm_t *fsm /**< finite state machine */)
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1021
{
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1022
    ec_datagram_t *datagram = &fsm->datagram;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1023
    ec_slave_t *slave = fsm->slave;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1024
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1025
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1026
        || datagram->working_counter != 1) {
291
0b1f877cf3f1 Slave: state_error -> error_flag, error_flag only in slave state machine.
Florian Pose <fp@igh-essen.com>
parents: 290
diff changeset
  1027
        fsm->slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1028
        fsm->slave_state = ec_fsm_error;
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1029
        EC_ERR("Failed to read base data of slave %i.\n",
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
               slave->ring_position);
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
        return;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
    }
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1034
    slave->base_type       = EC_READ_U8 (datagram->data);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1035
    slave->base_revision   = EC_READ_U8 (datagram->data + 1);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1036
    slave->base_build      = EC_READ_U16(datagram->data + 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1037
    slave->base_fmmu_count = EC_READ_U8 (datagram->data + 4);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1038
    slave->base_sync_count = EC_READ_U8 (datagram->data + 5);
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
    if (slave->base_fmmu_count > EC_MAX_FMMUS)
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
        slave->base_fmmu_count = EC_MAX_FMMUS;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
    // read data link status
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1044
    ec_datagram_nprd(datagram, slave->station_address, 0x0110, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1045
    ec_master_queue_datagram(slave->master, datagram);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1046
    fsm->slave_state = ec_fsm_slavescan_datalink;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1047
}
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1048
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1049
/*****************************************************************************/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1050
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1051
/**
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1052
   Slave state: DATALINK.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1053
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1054
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1055
void ec_fsm_slavescan_datalink(ec_fsm_t *fsm /**< finite state machine */)
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1057
    ec_datagram_t *datagram = &fsm->datagram;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
    ec_slave_t *slave = fsm->slave;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
    uint16_t dl_status;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
    unsigned int i;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1062
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1063
        || datagram->working_counter != 1) {
291
0b1f877cf3f1 Slave: state_error -> error_flag, error_flag only in slave state machine.
Florian Pose <fp@igh-essen.com>
parents: 290
diff changeset
  1064
        fsm->slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1065
        fsm->slave_state = ec_fsm_error;
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1066
        EC_ERR("Failed to read DL status of slave %i.\n",
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
               slave->ring_position);
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
        return;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
    }
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1071
    dl_status = EC_READ_U16(datagram->data);
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
    for (i = 0; i < 4; i++) {
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
        slave->dl_link[i] = dl_status & (1 << (4 + i)) ? 1 : 0;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
        slave->dl_loop[i] = dl_status & (1 << (8 + i * 2)) ? 1 : 0;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
        slave->dl_signal[i] = dl_status & (1 << (9 + i * 2)) ? 1 : 0;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
    }
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
266
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1078
    // Start fetching EEPROM size
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1079
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1080
    fsm->sii_offset = 0x0040; // first category header
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1081
    fsm->sii_mode = 1;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
    fsm->sii_state = ec_fsm_sii_start_reading;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1083
    fsm->slave_state = ec_fsm_slavescan_eeprom_size;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
    fsm->slave_state(fsm); // execute state immediately
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
}
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
/*****************************************************************************/
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
/**
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1090
   Slave state: EEPROM_SIZE.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1091
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1092
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1093
void ec_fsm_slavescan_eeprom_size(ec_fsm_t *fsm /**< finite state machine */)
266
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1094
{
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1095
    ec_slave_t *slave = fsm->slave;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1096
    uint16_t cat_type, cat_size;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
    // execute SII state machine
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
    fsm->sii_state(fsm);
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1101
    if (fsm->sii_state == ec_fsm_error) {
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1102
        fsm->slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1103
        fsm->slave_state = ec_fsm_error;
266
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1104
        EC_ERR("Failed to read EEPROM size of slave %i.\n",
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1105
               slave->ring_position);
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
        return;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
    }
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1109
    if (fsm->sii_state != ec_fsm_end) return;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1111
    cat_type = EC_READ_U16(fsm->sii_value);
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1112
    cat_size = EC_READ_U16(fsm->sii_value + 2);
266
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1113
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1114
    if (cat_type != 0xFFFF) { // not the last category
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1115
        fsm->sii_offset += cat_size + 2;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1116
        fsm->sii_state = ec_fsm_sii_start_reading;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1117
        fsm->sii_state(fsm); // execute state immediately
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1118
        return;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1119
    }
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1120
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1121
    slave->eeprom_size = (fsm->sii_offset + 1) * 2;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1122
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1123
    if (slave->eeprom_data) {
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1124
        EC_INFO("Freeing old EEPROM data on slave %i...\n",
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1125
                slave->ring_position);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1126
        kfree(slave->eeprom_data);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1127
    }
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1128
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1129
    if (!(slave->eeprom_data =
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1130
          (uint8_t *) kmalloc(slave->eeprom_size, GFP_ATOMIC))) {
291
0b1f877cf3f1 Slave: state_error -> error_flag, error_flag only in slave state machine.
Florian Pose <fp@igh-essen.com>
parents: 290
diff changeset
  1131
        fsm->slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1132
        fsm->slave_state = ec_fsm_error;
266
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1133
        EC_ERR("Failed to allocate EEPROM data on slave %i.\n",
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1134
               slave->ring_position);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1135
        return;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1136
    }
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1137
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1138
    // Start fetching EEPROM contents
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1139
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1140
    fsm->sii_offset = 0x0000;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1141
    fsm->sii_mode = 1;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
    fsm->sii_state = ec_fsm_sii_start_reading;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1143
    fsm->slave_state = ec_fsm_slavescan_eeprom_data;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
    fsm->slave_state(fsm); // execute state immediately
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
}
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
/*****************************************************************************/
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
/**
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1150
   Slave state: EEPROM_DATA.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1151
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1152
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1153
void ec_fsm_slavescan_eeprom_data(ec_fsm_t *fsm /**< finite state machine */)
266
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1154
{
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1155
    ec_slave_t *slave = fsm->slave;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1156
    uint16_t *cat_word, cat_type, cat_size;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1157
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
    // execute SII state machine
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
    fsm->sii_state(fsm);
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1161
    if (fsm->sii_state == ec_fsm_error) {
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1162
        fsm->slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1163
        fsm->slave_state = ec_fsm_error;
266
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1164
        EC_ERR("Failed to fetch EEPROM contents of slave %i.\n",
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1165
               slave->ring_position);
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
        return;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
    }
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1169
    if (fsm->sii_state != ec_fsm_end) return;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
266
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1171
    // 2 words fetched
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1172
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1173
    if (fsm->sii_offset + 2 <= slave->eeprom_size / 2) { // 2 words fit
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1174
        memcpy(slave->eeprom_data + fsm->sii_offset * 2, fsm->sii_value, 4);
266
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1175
    }
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1176
    else { // copy the last word
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1177
        memcpy(slave->eeprom_data + fsm->sii_offset * 2, fsm->sii_value, 2);
266
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1178
    }
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1179
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1180
    if (fsm->sii_offset + 2 < slave->eeprom_size / 2) {
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1181
        // fetch the next 2 words
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1182
        fsm->sii_offset += 2;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
        fsm->sii_state = ec_fsm_sii_start_reading;
266
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1184
        fsm->sii_state(fsm); // execute state immediately
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1185
        return;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1186
    }
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1187
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1188
    // Evaluate EEPROM contents
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1189
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1190
    slave->sii_alias =
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1191
        EC_READ_U16(slave->eeprom_data + 2 * 0x0004);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1192
    slave->sii_vendor_id =
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1193
        EC_READ_U32(slave->eeprom_data + 2 * 0x0008);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1194
    slave->sii_product_code =
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1195
        EC_READ_U32(slave->eeprom_data + 2 * 0x000A);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1196
    slave->sii_revision_number =
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1197
        EC_READ_U32(slave->eeprom_data + 2 * 0x000C);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1198
    slave->sii_serial_number =
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1199
        EC_READ_U32(slave->eeprom_data + 2 * 0x000E);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1200
    slave->sii_rx_mailbox_offset =
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1201
        EC_READ_U16(slave->eeprom_data + 2 * 0x0018);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1202
    slave->sii_rx_mailbox_size =
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1203
        EC_READ_U16(slave->eeprom_data + 2 * 0x0019);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1204
    slave->sii_tx_mailbox_offset =
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1205
        EC_READ_U16(slave->eeprom_data + 2 * 0x001A);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1206
    slave->sii_tx_mailbox_size =
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1207
        EC_READ_U16(slave->eeprom_data + 2 * 0x001B);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1208
    slave->sii_mailbox_protocols =
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1209
        EC_READ_U16(slave->eeprom_data + 2 * 0x001C);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1210
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1211
    // evaluate category data
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1212
    cat_word = (uint16_t *) slave->eeprom_data + 0x0040;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1213
    while (EC_READ_U16(cat_word) != 0xFFFF) {
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1214
        cat_type = EC_READ_U16(cat_word) & 0x7FFF;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1215
        cat_size = EC_READ_U16(cat_word + 1);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1216
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1217
        switch (cat_type) {
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1218
            case 0x000A:
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1219
                if (ec_slave_fetch_strings(slave, (uint8_t *) (cat_word + 2)))
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1220
                    goto end;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1221
                break;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1222
            case 0x001E:
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1223
                ec_slave_fetch_general(slave, (uint8_t *) (cat_word + 2));
266
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1224
                break;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1225
            case 0x0028:
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1226
                break;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1227
            case 0x0029:
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1228
                if (ec_slave_fetch_sync(slave, (uint8_t *) (cat_word + 2),
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1229
                                        cat_size))
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1230
                    goto end;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1231
                break;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1232
            case 0x0032:
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1233
                if (ec_slave_fetch_pdo(slave, (uint8_t *) (cat_word + 2),
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1234
                                       cat_size, EC_TX_PDO))
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1235
                    goto end;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1236
                break;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1237
            case 0x0033:
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1238
                if (ec_slave_fetch_pdo(slave, (uint8_t *) (cat_word + 2),
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1239
                                       cat_size, EC_RX_PDO))
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1240
                    goto end;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1241
                break;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1242
            default:
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1243
                EC_WARN("Unknown category type 0x%04X in slave %i.\n",
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1244
                        cat_type, slave->ring_position);
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1245
        }
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1246
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1247
        cat_word += cat_size + 2;
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1248
    }
0234b0c26c52 Read complete eeprom data from slave and map it into SysFS.
Florian Pose <fp@igh-essen.com>
parents: 262
diff changeset
  1249
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1250
    fsm->slave_state = ec_fsm_end;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1251
    return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1252
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1253
end:
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1254
    EC_ERR("Failed to analyze category data.\n");
291
0b1f877cf3f1 Slave: state_error -> error_flag, error_flag only in slave state machine.
Florian Pose <fp@igh-essen.com>
parents: 290
diff changeset
  1255
    fsm->slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1256
    fsm->slave_state = ec_fsm_error;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1257
}
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1258
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1259
/******************************************************************************
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1260
 *  slave configuration state machine
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1261
 *****************************************************************************/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1262
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1263
/**
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1264
   Slave state: INIT.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1265
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1266
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1267
void ec_fsm_slaveconf_init(ec_fsm_t *fsm /**< finite state machine */)
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1268
{
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1269
    ec_slave_t *slave = fsm->slave;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1270
    ec_datagram_t *datagram = &fsm->datagram;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1271
    const ec_sii_sync_t *sync;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1272
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1273
    fsm->change_state(fsm); // execute state change state machine
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1274
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1275
    if (fsm->change_state == ec_fsm_error) {
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1276
        slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1277
        fsm->slave_state = ec_fsm_error;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1278
        return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1279
    }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1280
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1281
    if (fsm->change_state != ec_fsm_end) return;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1282
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1283
    // slave is now in INIT
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1284
    if (slave->current_state == slave->requested_state) {
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1285
        fsm->slave_state = ec_fsm_end; // successful
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1286
        return;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1287
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1288
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1289
    // check and reset CRC fault counters
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1290
    //ec_slave_check_crc(slave);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1291
    // TODO: Implement state machine for CRC checking.
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1292
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1293
    if (!slave->base_sync_count) { // no sync managers
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1294
        fsm->slave_state = ec_fsm_slaveconf_preop;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1295
        fsm->change_new = EC_SLAVE_STATE_PREOP;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1296
        fsm->change_state = ec_fsm_change_start;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1297
        fsm->change_state(fsm); // execute immediately
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1298
        return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1299
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1300
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1301
    // configure sync managers
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1302
    ec_datagram_npwr(datagram, slave->station_address, 0x0800,
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1303
                     EC_SYNC_SIZE * slave->base_sync_count);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1304
    memset(datagram->data, 0x00, EC_SYNC_SIZE * slave->base_sync_count);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1305
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1306
    list_for_each_entry(sync, &slave->sii_syncs, list) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1307
        if (sync->index >= slave->base_sync_count) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1308
            EC_ERR("Invalid sync manager configuration found!");
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1309
            fsm->slave->error_flag = 1;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1310
            fsm->slave_state = ec_fsm_error;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1311
            return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1312
        }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1313
        ec_sync_config(sync, slave,
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1314
                       datagram->data + EC_SYNC_SIZE * sync->index);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1315
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1316
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1317
    ec_master_queue_datagram(fsm->master, datagram);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1318
    fsm->slave_state = ec_fsm_slaveconf_sync;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1319
}
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1320
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1321
/*****************************************************************************/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1322
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1323
/**
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1324
   Slave state: SYNC.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1325
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1326
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1327
void ec_fsm_slaveconf_sync(ec_fsm_t *fsm /**< finite state machine */)
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1328
{
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1329
    ec_datagram_t *datagram = &fsm->datagram;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1330
    ec_slave_t *slave = fsm->slave;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1331
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1332
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1333
        || datagram->working_counter != 1) {
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1334
        slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1335
        fsm->slave_state = ec_fsm_error;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1336
        EC_ERR("Failed to set sync managers on slave %i.\n",
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1337
               slave->ring_position);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1338
        return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1339
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1340
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1341
    fsm->slave_state = ec_fsm_slaveconf_preop;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1342
    fsm->change_new = EC_SLAVE_STATE_PREOP;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1343
    fsm->change_state = ec_fsm_change_start;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1344
    fsm->change_state(fsm); // execute immediately
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1345
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1346
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1347
/*****************************************************************************/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1348
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1349
/**
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1350
   Slave state: PREOP.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1351
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1352
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1353
void ec_fsm_slaveconf_preop(ec_fsm_t *fsm /**< finite state machine */)
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1354
{
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1355
    ec_slave_t *slave = fsm->slave;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1356
    ec_master_t *master = fsm->master;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1357
    ec_datagram_t *datagram = &fsm->datagram;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1358
    unsigned int j;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1359
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1360
    fsm->change_state(fsm); // execute state change state machine
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1361
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1362
    if (fsm->change_state == ec_fsm_error) {
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1363
        slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1364
        fsm->slave_state = ec_fsm_error;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1365
        return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1366
    }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1367
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1368
    if (fsm->change_state != ec_fsm_end) return;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1369
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1370
    // slave is now in PREOP
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1371
    if (slave->current_state == slave->requested_state) {
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1372
        fsm->slave_state = ec_fsm_end; // successful
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1373
        return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1374
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1375
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1376
    if (!slave->base_fmmu_count) {
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1377
        fsm->slave_state = ec_fsm_slaveconf_saveop;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1378
        fsm->change_new = EC_SLAVE_STATE_SAVEOP;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1379
        fsm->change_state = ec_fsm_change_start;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1380
        fsm->change_state(fsm); // execute immediately
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1381
        return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1382
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1383
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1384
    // configure FMMUs
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1385
    ec_datagram_npwr(datagram, slave->station_address,
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1386
                     0x0600, EC_FMMU_SIZE * slave->base_fmmu_count);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1387
    memset(datagram->data, 0x00, EC_FMMU_SIZE * slave->base_fmmu_count);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1388
    for (j = 0; j < slave->fmmu_count; j++) {
275
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 269
diff changeset
  1389
        ec_fmmu_config(&slave->fmmus[j], slave,
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1390
                       datagram->data + EC_FMMU_SIZE * j);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1391
    }
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1392
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1393
    ec_master_queue_datagram(master, datagram);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1394
    fsm->slave_state = ec_fsm_slaveconf_fmmu;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1395
}
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1396
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1397
/*****************************************************************************/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1398
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1399
/**
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1400
   Slave state: FMMU.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1401
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1402
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1403
void ec_fsm_slaveconf_fmmu(ec_fsm_t *fsm /**< finite state machine */)
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1404
{
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1405
    ec_datagram_t *datagram = &fsm->datagram;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1406
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1407
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1408
        || datagram->working_counter != 1) {
291
0b1f877cf3f1 Slave: state_error -> error_flag, error_flag only in slave state machine.
Florian Pose <fp@igh-essen.com>
parents: 290
diff changeset
  1409
        fsm->slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1410
        fsm->slave_state = ec_fsm_error;
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1411
        EC_ERR("Failed to set FMMUs on slave %i.\n",
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1412
               fsm->slave->ring_position);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1413
        return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1414
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1415
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1416
    // set state to SAVEOP
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1417
    fsm->slave_state = ec_fsm_slaveconf_saveop;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1418
    fsm->change_new = EC_SLAVE_STATE_SAVEOP;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1419
    fsm->change_state = ec_fsm_change_start;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1420
    fsm->change_state(fsm); // execute immediately
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1421
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1422
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1423
/*****************************************************************************/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1424
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1425
/**
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1426
   Slave state: SAVEOP.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1427
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1428
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1429
void ec_fsm_slaveconf_saveop(ec_fsm_t *fsm /**< finite state machine */)
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1430
{
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1431
    fsm->change_state(fsm); // execute state change state machine
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1432
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1433
    if (fsm->change_state == ec_fsm_error) {
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1434
        fsm->slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1435
        fsm->slave_state = ec_fsm_error;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1436
        return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1437
    }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1438
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1439
    if (fsm->change_state != ec_fsm_end) return;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1440
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1441
    // slave is now in SAVEOP
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1442
    if (fsm->slave->current_state == fsm->slave->requested_state) {
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1443
        fsm->slave_state = ec_fsm_end; // successful
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1444
        return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1445
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1446
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1447
    // set state to OP
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1448
    fsm->slave_state = ec_fsm_slaveconf_op;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1449
    fsm->change_new = EC_SLAVE_STATE_OP;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1450
    fsm->change_state = ec_fsm_change_start;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1451
    fsm->change_state(fsm); // execute immediately
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1452
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1453
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1454
/*****************************************************************************/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1455
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1456
/**
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1457
   Slave state: OP
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1458
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1459
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1460
void ec_fsm_slaveconf_op(ec_fsm_t *fsm /**< finite state machine */)
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1461
{
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1462
    fsm->change_state(fsm); // execute state change state machine
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1463
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1464
    if (fsm->change_state == ec_fsm_error) {
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1465
        fsm->slave->error_flag = 1;
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1466
        fsm->slave_state = ec_fsm_error;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1467
        return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1468
    }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1469
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1470
    if (fsm->change_state != ec_fsm_end) return;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1471
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1472
    // slave is now in OP
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1473
    fsm->slave_state = ec_fsm_end; // successful
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
}
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
/******************************************************************************
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
 *  SII state machine
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
 *****************************************************************************/
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
/**
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1481
   SII state: START_READING.
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
   Starts reading the slave information interface.
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
*/
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1485
void ec_fsm_sii_start_reading(ec_fsm_t *fsm /**< finite state machine */)
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1487
    ec_datagram_t *datagram = &fsm->datagram;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
    // initiate read operation
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1490
    if (fsm->sii_mode) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1491
        ec_datagram_npwr(datagram, fsm->slave->station_address, 0x502, 4);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1492
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1493
    else {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1494
        ec_datagram_apwr(datagram, fsm->slave->ring_position, 0x502, 4);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1495
    }
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1496
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1497
    EC_WRITE_U8 (datagram->data,     0x00); // read-only access
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1498
    EC_WRITE_U8 (datagram->data + 1, 0x01); // request read operation
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1499
    EC_WRITE_U16(datagram->data + 2, fsm->sii_offset);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1500
    ec_master_queue_datagram(fsm->master, datagram);
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1501
    fsm->sii_state = ec_fsm_sii_read_check;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1502
}
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1503
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1504
/*****************************************************************************/
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1505
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1506
/**
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1507
   SII state: READ_CHECK.
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1508
   Checks, if the SII-read-datagram has been sent and issues a fetch datagram.
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
*/
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1511
void ec_fsm_sii_read_check(ec_fsm_t *fsm /**< finite state machine */)
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1513
    ec_datagram_t *datagram = &fsm->datagram;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1514
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1515
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1516
        || datagram->working_counter != 1) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1517
        EC_ERR("SII: Reception of read datagram failed.\n");
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1518
        fsm->sii_state = ec_fsm_error;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
        return;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
    }
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1522
    fsm->sii_start = get_cycles();
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1523
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1524
    // issue check/fetch datagram
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1525
    if (fsm->sii_mode) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1526
        ec_datagram_nprd(datagram, fsm->slave->station_address, 0x502, 10);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1527
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1528
    else {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1529
        ec_datagram_aprd(datagram, fsm->slave->ring_position, 0x502, 10);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1530
    }
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1531
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1532
    ec_master_queue_datagram(fsm->master, datagram);
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1533
    fsm->sii_state = ec_fsm_sii_read_fetch;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1534
}
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1535
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1536
/*****************************************************************************/
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1537
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1538
/**
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1539
   SII state: READ_FETCH.
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1540
   Fetches the result of an SII-read datagram.
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
*/
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1543
void ec_fsm_sii_read_fetch(ec_fsm_t *fsm /**< finite state machine */)
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1545
    ec_datagram_t *datagram = &fsm->datagram;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1546
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1547
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1548
        || datagram->working_counter != 1) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1549
        EC_ERR("SII: Reception of check/fetch datagram failed.\n");
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1550
        fsm->sii_state = ec_fsm_error;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
        return;
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
    }
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
    // check "busy bit"
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1555
    if (EC_READ_U8(datagram->data + 1) & 0x81) {
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1556
        // still busy... timeout?
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1557
        if (get_cycles() - fsm->sii_start >= (cycles_t) 10 * cpu_khz) {
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1558
            EC_ERR("SII: Timeout.\n");
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1559
            fsm->sii_state = ec_fsm_error;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1560
#if 0
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1561
            EC_DBG("SII busy: %02X %02X %02X %02X\n",
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1562
                   EC_READ_U8(datagram->data + 0),
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1563
                   EC_READ_U8(datagram->data + 1),
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1564
                   EC_READ_U8(datagram->data + 2),
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1565
                   EC_READ_U8(datagram->data + 3));
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1566
#endif
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1567
        }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1568
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1569
        // issue check/fetch datagram again
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1570
        if (fsm->sii_mode) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1571
            ec_datagram_nprd(datagram, fsm->slave->station_address, 0x502, 10);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1572
        }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1573
        else {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1574
            ec_datagram_aprd(datagram, fsm->slave->ring_position, 0x502, 10);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1575
        }
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1576
        ec_master_queue_datagram(fsm->master, datagram);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1577
        return;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1578
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1579
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1580
#if 0
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1581
    EC_DBG("SII rec: %02X %02X %02X %02X - %02X %02X %02X %02X\n",
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1582
           EC_READ_U8(datagram->data + 0), EC_READ_U8(datagram->data + 1),
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1583
           EC_READ_U8(datagram->data + 2), EC_READ_U8(datagram->data + 3),
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1584
           EC_READ_U8(datagram->data + 6), EC_READ_U8(datagram->data + 7),
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1585
           EC_READ_U8(datagram->data + 8), EC_READ_U8(datagram->data + 9));
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1586
#endif
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1587
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1588
    // SII value received.
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1589
    memcpy(fsm->sii_value, datagram->data + 6, 4);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1590
    fsm->sii_state = ec_fsm_end;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1591
}
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1592
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1593
/*****************************************************************************/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1594
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1595
/**
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1596
   SII state: START_WRITING.
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1597
   Starts reading the slave information interface.
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1598
*/
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1599
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1600
void ec_fsm_sii_start_writing(ec_fsm_t *fsm /**< finite state machine */)
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1601
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1602
    ec_datagram_t *datagram = &fsm->datagram;
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1603
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1604
    // initiate write operation
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1605
    ec_datagram_npwr(datagram, fsm->slave->station_address, 0x502, 8);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1606
    EC_WRITE_U8 (datagram->data,     0x01); // enable write access
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1607
    EC_WRITE_U8 (datagram->data + 1, 0x02); // request write operation
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1608
    EC_WRITE_U32(datagram->data + 2, fsm->sii_offset);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1609
    memcpy(datagram->data + 6, fsm->sii_value, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1610
    ec_master_queue_datagram(fsm->master, datagram);
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1611
    fsm->sii_state = ec_fsm_sii_write_check;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1612
}
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1613
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1614
/*****************************************************************************/
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1615
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1616
/**
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1617
   SII state: WRITE_CHECK.
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1618
*/
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1619
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1620
void ec_fsm_sii_write_check(ec_fsm_t *fsm /**< finite state machine */)
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1621
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1622
    ec_datagram_t *datagram = &fsm->datagram;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1623
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1624
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1625
        || datagram->working_counter != 1) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1626
        EC_ERR("SII: Reception of write datagram failed.\n");
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1627
        fsm->sii_state = ec_fsm_error;
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1628
        return;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1629
    }
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1630
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1631
    fsm->sii_start = get_cycles();
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1632
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1633
    // issue check/fetch datagram
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1634
    ec_datagram_nprd(datagram, fsm->slave->station_address, 0x502, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1635
    ec_master_queue_datagram(fsm->master, datagram);
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1636
    fsm->sii_state = ec_fsm_sii_write_check2;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1637
}
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1638
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1639
/*****************************************************************************/
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1640
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1641
/**
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1642
   SII state: WRITE_CHECK2.
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1643
*/
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1644
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1645
void ec_fsm_sii_write_check2(ec_fsm_t *fsm /**< finite state machine */)
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1646
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1647
    ec_datagram_t *datagram = &fsm->datagram;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1648
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1649
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1650
        || datagram->working_counter != 1) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1651
        EC_ERR("SII: Reception of write check datagram failed.\n");
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1652
        fsm->sii_state = ec_fsm_error;
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1653
        return;
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1654
    }
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1655
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1656
    if (EC_READ_U8(datagram->data + 1) & 0x82) {
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1657
        // still busy... timeout?
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1658
        if (get_cycles() - fsm->sii_start >= (cycles_t) 10 * cpu_khz) {
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1659
            EC_ERR("SII: Write timeout.\n");
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1660
            fsm->sii_state = ec_fsm_error;
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1661
        }
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1662
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1663
        // issue check/fetch datagram again
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1664
        ec_master_queue_datagram(fsm->master, datagram);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1665
    }
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1666
    else if (EC_READ_U8(datagram->data + 1) & 0x40) {
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1667
        EC_ERR("SII: Write operation failed!\n");
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1668
        fsm->sii_state = ec_fsm_error;
269
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1669
    }
a03be9a6fed6 EEPROM writing via SysFS.
Florian Pose <fp@igh-essen.com>
parents: 266
diff changeset
  1670
    else { // success
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1671
        fsm->sii_state = ec_fsm_end;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1672
    }
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
}
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1675
/******************************************************************************
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1676
 *  state change state machine
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1677
 *****************************************************************************/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1678
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1679
/**
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1680
   Change state: START.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1681
*/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1682
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1683
void ec_fsm_change_start(ec_fsm_t *fsm /**< finite state machine */)
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1684
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1685
    ec_datagram_t *datagram = &fsm->datagram;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1686
    ec_slave_t *slave = fsm->slave;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1687
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1688
    fsm->change_start = get_cycles();
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1689
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1690
    // write new state to slave
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1691
    ec_datagram_npwr(datagram, slave->station_address, 0x0120, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1692
    EC_WRITE_U16(datagram->data, fsm->change_new);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1693
    ec_master_queue_datagram(fsm->master, datagram);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1694
    fsm->change_state = ec_fsm_change_check;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1695
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1696
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1697
/*****************************************************************************/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1698
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1699
/**
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1700
   Change state: CHECK.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1701
*/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1702
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1703
void ec_fsm_change_check(ec_fsm_t *fsm /**< finite state machine */)
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1704
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1705
    ec_datagram_t *datagram = &fsm->datagram;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1706
    ec_slave_t *slave = fsm->slave;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1707
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1708
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1709
        fsm->change_state = ec_fsm_error;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1710
        EC_ERR("Failed to send state datagram to slave %i!\n",
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1711
               fsm->slave->ring_position);
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1712
        return;
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1713
    }
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1714
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1715
    if (datagram->working_counter != 1) {
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1716
        if (get_cycles() - fsm->change_start >= (cycles_t) 100 * cpu_khz) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1717
            fsm->change_state = ec_fsm_error;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1718
            EC_ERR("Failed to set state 0x%02X on slave %i: Slave did not"
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1719
                   " respond.\n", fsm->change_new, fsm->slave->ring_position);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1720
            return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1721
        }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1722
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1723
        // repeat writing new state to slave
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1724
        ec_datagram_npwr(datagram, slave->station_address, 0x0120, 2);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1725
        EC_WRITE_U16(datagram->data, fsm->change_new);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1726
        ec_master_queue_datagram(fsm->master, datagram);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1727
        return;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1728
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1729
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1730
    fsm->change_start = get_cycles();
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1731
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1732
    // read AL status from slave
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1733
    ec_datagram_nprd(datagram, slave->station_address, 0x0130, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1734
    ec_master_queue_datagram(fsm->master, datagram);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1735
    fsm->change_state = ec_fsm_change_status;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1736
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1737
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1738
/*****************************************************************************/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1739
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1740
/**
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1741
   Change state: STATUS.
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1742
*/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1743
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1744
void ec_fsm_change_status(ec_fsm_t *fsm /**< finite state machine */)
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1745
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1746
    ec_datagram_t *datagram = &fsm->datagram;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1747
    ec_slave_t *slave = fsm->slave;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1748
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1749
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1750
        || datagram->working_counter != 1) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1751
        fsm->change_state = ec_fsm_error;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1752
        EC_ERR("Failed to check state 0x%02X on slave %i.\n",
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1753
               fsm->change_new, slave->ring_position);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1754
        return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1755
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1756
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1757
    slave->current_state = EC_READ_U8(datagram->data);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1758
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1759
    if (slave->current_state == fsm->change_new) {
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1760
        // state has been set successfully
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1761
        fsm->change_state = ec_fsm_end;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1762
        return;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1763
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1764
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1765
    if (slave->current_state & 0x10) {
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1766
        // state change error
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1767
        fsm->change_new = slave->current_state & 0x0F;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1768
        EC_ERR("Failed to set state 0x%02X - Slave %i refused state change"
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1769
               " (code 0x%02X)!\n", fsm->change_new, slave->ring_position,
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1770
               slave->current_state);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1771
        // fetch AL status error code
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1772
        ec_datagram_nprd(datagram, slave->station_address, 0x0134, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1773
        ec_master_queue_datagram(fsm->master, datagram);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1774
        fsm->change_state = ec_fsm_change_code;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1775
        return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1776
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1777
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1778
    if (get_cycles() - fsm->change_start >= (cycles_t) 10 * cpu_khz) {
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1779
        // timeout while checking
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1780
        fsm->change_state = ec_fsm_error;
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1781
        EC_ERR("Timeout while setting state 0x%02X on slave %i.\n",
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1782
               fsm->change_new, slave->ring_position);
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1783
        return;
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1784
    }
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1785
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1786
    // still old state: check again
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1787
    ec_datagram_nprd(datagram, slave->station_address, 0x0130, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1788
    ec_master_queue_datagram(fsm->master, datagram);
260
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1789
}
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1790
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1791
/*****************************************************************************/
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1792
5fe7df7f2433 Correct behaviour of master state machine in RT mode.
Florian Pose <fp@igh-essen.com>
parents: 259
diff changeset
  1793
/**
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1794
   Application layer status messages.
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1795
*/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1796
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1797
const ec_code_msg_t al_status_messages[] = {
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1798
    {0x0001, "Unspecified error"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1799
    {0x0011, "Invalud requested state change"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1800
    {0x0012, "Unknown requested state"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1801
    {0x0013, "Bootstrap not supported"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1802
    {0x0014, "No valid firmware"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1803
    {0x0015, "Invalid mailbox configuration"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1804
    {0x0016, "Invalid mailbox configuration"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1805
    {0x0017, "Invalid sync manager configuration"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1806
    {0x0018, "No valid inputs available"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1807
    {0x0019, "No valid outputs"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1808
    {0x001A, "Synchronisation error"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1809
    {0x001B, "Sync manager watchdog"},
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1810
    {0x001C, "Invalid sync manager types"},
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1811
    {0x001D, "Invalid output configuration"},
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1812
    {0x001E, "Invalid input configuration"},
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1813
    {0x001F, "Invalid watchdog configuration"},
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1814
    {0x0020, "Slave needs cold start"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1815
    {0x0021, "Slave needs INIT"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1816
    {0x0022, "Slave needs PREOP"},
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1817
    {0x0023, "Slave needs SAVEOP"},
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1818
    {0x0030, "Invalid DC SYNCH configuration"},
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1819
    {0x0031, "Invalid DC latch configuration"},
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1820
    {0x0032, "PLL error"},
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1821
    {0x0033, "Invalid DC IO error"},
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1822
    {0x0034, "Invalid DC timeout error"},
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1823
    {0x0042, "MBOX EOE"},
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1824
    {0x0043, "MBOX COE"},
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1825
    {0x0044, "MBOX FOE"},
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1826
    {0x0045, "MBOX SOE"},
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1827
    {0x004F, "MBOX VOE"},
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1828
    {}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1829
};
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1830
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1831
/*****************************************************************************/
286
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1832
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1833
/**
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1834
   Change state: CODE.
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1835
*/
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1836
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1837
void ec_fsm_change_code(ec_fsm_t *fsm /**< finite state machine */)
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1838
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1839
    ec_datagram_t *datagram = &fsm->datagram;
286
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1840
    ec_slave_t *slave = fsm->slave;
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1841
    uint32_t code;
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1842
    const ec_code_msg_t *al_msg;
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1843
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1844
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1845
        || datagram->working_counter != 1) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1846
        fsm->change_state = ec_fsm_error;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1847
        EC_ERR("Reception of AL status code datagram failed.\n");
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1848
        return;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1849
    }
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1850
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1851
    if ((code = EC_READ_U16(datagram->data))) {
286
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1852
        for (al_msg = al_status_messages; al_msg->code; al_msg++) {
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1853
            if (al_msg->code != code) continue;
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1854
            EC_ERR("AL status message 0x%04X: \"%s\".\n",
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1855
                   al_msg->code, al_msg->message);
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1856
            break;
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1857
        }
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1858
        if (!al_msg->code)
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1859
            EC_ERR("Unknown AL status code 0x%04X.\n", code);
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1860
    }
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1861
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1862
    // acknowledge "old" slave state
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1863
    ec_datagram_npwr(datagram, slave->station_address, 0x0120, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1864
    EC_WRITE_U16(datagram->data, slave->current_state);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1865
    ec_master_queue_datagram(fsm->master, datagram);
286
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1866
    fsm->change_state = ec_fsm_change_ack;
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1867
}
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1868
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1869
/*****************************************************************************/
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1870
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1871
/**
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1872
   Change state: ACK.
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1873
*/
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1874
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1875
void ec_fsm_change_ack(ec_fsm_t *fsm /**< finite state machine */)
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1876
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1877
    ec_datagram_t *datagram = &fsm->datagram;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1878
    ec_slave_t *slave = fsm->slave;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1879
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1880
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1881
        || datagram->working_counter != 1) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1882
        fsm->change_state = ec_fsm_error;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1883
        EC_ERR("Reception of state ack datagram failed.\n");
286
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1884
        return;
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1885
    }
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1886
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1887
    fsm->change_start = get_cycles();
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1888
286
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1889
    // read new AL status
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1890
    ec_datagram_nprd(datagram, slave->station_address, 0x0130, 2);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1891
    ec_master_queue_datagram(fsm->master, datagram);
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1892
    fsm->change_state = ec_fsm_change_check_ack;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1893
}
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1894
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1895
/*****************************************************************************/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1896
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1897
/**
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1898
   Change state: CHECK ACK.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1899
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1900
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1901
void ec_fsm_change_check_ack(ec_fsm_t *fsm /**< finite state machine */)
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1902
{
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1903
    ec_datagram_t *datagram = &fsm->datagram;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1904
    ec_slave_t *slave = fsm->slave;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1905
    ec_slave_state_t ack_state;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1906
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1907
    if (datagram->state != EC_DATAGRAM_RECEIVED
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1908
        || datagram->working_counter != 1) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1909
        fsm->change_state = ec_fsm_error;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1910
        EC_ERR("Reception of state ack check datagram failed.\n");
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1911
        return;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1912
    }
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 292
diff changeset
  1913
1715
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1914
    ack_state = EC_READ_U8(datagram->data);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1915
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1916
    if (ack_state == slave->current_state) {
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1917
        fsm->change_state = ec_fsm_error;
286
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1918
        EC_INFO("Acknowleged state 0x%02X on slave %i.\n",
f3352378b4d4 Added missing documentation.
Florian Pose <fp@igh-essen.com>
parents: 275
diff changeset
  1919
                slave->current_state, slave->ring_position);
292
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1920
        return;
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1921
    }
2cf6ae0a2419 Minor changes in fsm.c and slave.c
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1922
1715
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1923
    if (get_cycles() - fsm->change_start >= (cycles_t) 100 * cpu_khz) {
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1924
        // timeout while checking
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1925
        slave->current_state = EC_SLAVE_STATE_UNKNOWN;
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1926
        fsm->change_state = ec_fsm_error;
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1927
        EC_ERR("Timeout while acknowleging state 0x%02X on slave %i.\n",
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1928
               fsm->change_new, slave->ring_position);
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1929
        return;
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1930
    }
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1931
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1932
    // reread new AL status
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1933
    ec_datagram_nprd(datagram, slave->station_address, 0x0130, 2);
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Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1934
    ec_master_queue_datagram(fsm->master, datagram);
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1935
}
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1936
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1937
/*****************************************************************************/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1938
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1939
/**
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1940
   State: ERROR.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1941
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1942
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1943
void ec_fsm_error(ec_fsm_t *fsm /**< finite state machine */)
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1944
{
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1945
}
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1946
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1947
/*****************************************************************************/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1948
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1949
/**
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1950
   State: END.
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1951
*/
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1952
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1953
void ec_fsm_end(ec_fsm_t *fsm /**< finite state machine */)
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1954
{
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1955
}
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1956
e675450f2174 MERGE trunk -r463:494 -> branches/stable-1.1 (Version 1.1)
Florian Pose <fp@igh-essen.com>
parents: 293
diff changeset
  1957
/*****************************************************************************/