master/fsm_foe.c
author Florian Pose <fp@igh.de>
Fri, 08 Sep 2017 13:50:06 +0200
branchstable-1.5
changeset 2684 56587a22d05c
parent 2528 8bb574da5da2
permissions -rw-r--r--
Do not build GPIO part of CCAT if GPIO is not configured in kernel.
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/******************************************************************************
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 *
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 *  $Id$
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 *
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 *  Copyright (C) 2008  Olav Zarges, imc Messsysteme GmbH
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 *                2013  Florian Pose <fp@igh-essen.com>
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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 and/or
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 *  modify it under the terms of the GNU General Public License version 2, as
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 *  published by the Free Software Foundation.
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 *
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 *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
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 *  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 along
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 *  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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 *  ---
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 *
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 *  The license mentioned above concerns the source code only. Using the
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 *  EtherCAT technology and brand is only permitted in compliance with the
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 *  industrial property and similar rights of Beckhoff Automation GmbH.
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 *
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 *****************************************************************************/
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/** \file
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 * EtherCAT FoE state machines.
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 */
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/*****************************************************************************/
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#include "globals.h"
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#include "master.h"
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#include "mailbox.h"
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#include "fsm_foe.h"
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#include "foe.h"
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/*****************************************************************************/
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/** Maximum time in ms to wait for responses when reading out the dictionary.
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 */
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#define EC_FSM_FOE_TIMEOUT 3000
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/** Mailbox type FoE.
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 */
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#define EC_MBOX_TYPE_FILEACCESS 0x04
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/** Size of the FoE header.
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 */
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#define EC_FOE_HEADER_SIZE 6
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// uint8_t  OpCode
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// uint8_t  reserved
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// uint32_t PacketNo, Password, ErrorCode
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//#define DEBUG_FOE
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/*****************************************************************************/
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/** FoE OpCodes.
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 */
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enum {
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    EC_FOE_OPCODE_RRQ  = 1, /**< Read request. */
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    EC_FOE_OPCODE_WRQ  = 2, /**< Write request. */
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    EC_FOE_OPCODE_DATA = 3, /**< Data. */
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    EC_FOE_OPCODE_ACK  = 4, /**< Acknowledge. */
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    EC_FOE_OPCODE_ERR  = 5, /**< Error. */
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    EC_FOE_OPCODE_BUSY = 6  /**< Busy. */
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} ec_foe_opcode_t;
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/*****************************************************************************/
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int ec_foe_prepare_data_send(ec_fsm_foe_t *, ec_datagram_t *);
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int ec_foe_prepare_wrq_send(ec_fsm_foe_t *, ec_datagram_t *);
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int ec_foe_prepare_rrq_send(ec_fsm_foe_t *, ec_datagram_t *);
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int ec_foe_prepare_send_ack(ec_fsm_foe_t *, ec_datagram_t *);
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void ec_foe_set_tx_error(ec_fsm_foe_t *, uint32_t);
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void ec_foe_set_rx_error(ec_fsm_foe_t *, uint32_t);
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void ec_fsm_foe_end(ec_fsm_foe_t *, ec_datagram_t *);
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void ec_fsm_foe_error(ec_fsm_foe_t *, ec_datagram_t *);
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void ec_fsm_foe_state_wrq_sent(ec_fsm_foe_t *, ec_datagram_t *);
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void ec_fsm_foe_state_rrq_sent(ec_fsm_foe_t *, ec_datagram_t *);
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void ec_fsm_foe_state_ack_check(ec_fsm_foe_t *, ec_datagram_t *);
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void ec_fsm_foe_state_ack_read(ec_fsm_foe_t *, ec_datagram_t *);
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void ec_fsm_foe_state_data_sent(ec_fsm_foe_t *, ec_datagram_t *);
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void ec_fsm_foe_state_data_check(ec_fsm_foe_t *, ec_datagram_t *);
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void ec_fsm_foe_state_data_read(ec_fsm_foe_t *, ec_datagram_t *);
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void ec_fsm_foe_state_sent_ack(ec_fsm_foe_t *, ec_datagram_t *);
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void ec_fsm_foe_write_start(ec_fsm_foe_t *, ec_datagram_t *);
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void ec_fsm_foe_read_start(ec_fsm_foe_t *, ec_datagram_t *);
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/*****************************************************************************/
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/** Constructor.
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 */
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void ec_fsm_foe_init(
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        ec_fsm_foe_t *fsm /**< finite state machine */
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        )
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{
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    fsm->state = NULL;
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    fsm->datagram = NULL;
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}
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/*****************************************************************************/
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/** Destructor.
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 */
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void ec_fsm_foe_clear(ec_fsm_foe_t *fsm /**< finite state machine */)
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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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 * \return 1, if the datagram was used, else 0.
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 */
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int ec_fsm_foe_exec(
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        ec_fsm_foe_t *fsm, /**< finite state machine */
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        ec_datagram_t *datagram /**< Datagram to use. */
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        )
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{
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    int datagram_used = 0;
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    if (fsm->datagram &&
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            (fsm->datagram->state == EC_DATAGRAM_INIT ||
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             fsm->datagram->state == EC_DATAGRAM_QUEUED ||
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             fsm->datagram->state == EC_DATAGRAM_SENT)) {
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        // datagram not received yet
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        return datagram_used;
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    }
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    fsm->state(fsm, datagram);
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    datagram_used =
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        fsm->state != ec_fsm_foe_end && fsm->state != ec_fsm_foe_error;
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    if (datagram_used) {
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        fsm->datagram = datagram;
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    } else {
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        fsm->datagram = NULL;
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    }
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    return datagram_used;
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}
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/*****************************************************************************/
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/** Returns, if the state machine terminated with success.
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 * \return non-zero if successful.
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 */
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int ec_fsm_foe_success(const ec_fsm_foe_t *fsm /**< Finite state machine */)
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{
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    return fsm->state == ec_fsm_foe_end;
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}
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/*****************************************************************************/
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/** Prepares an FoE transfer.
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 */
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void ec_fsm_foe_transfer(
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        ec_fsm_foe_t *fsm, /**< State machine. */
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        ec_slave_t *slave, /**< EtherCAT slave. */
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        ec_foe_request_t *request /**< Sdo request. */
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        )
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{
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    fsm->slave = slave;
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    fsm->request = request;
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    if (request->dir == EC_DIR_OUTPUT) {
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        fsm->tx_buffer = fsm->request->buffer;
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        fsm->tx_buffer_size = fsm->request->data_size;
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        fsm->tx_buffer_offset = 0;
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        fsm->tx_filename = fsm->request->file_name;
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        fsm->tx_filename_len = strlen(fsm->tx_filename);
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        fsm->state = ec_fsm_foe_write_start;
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    }
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    else {
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        fsm->rx_buffer = fsm->request->buffer;
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        fsm->rx_buffer_size = fsm->request->buffer_size;
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        fsm->rx_filename = fsm->request->file_name;
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        fsm->rx_filename_len = strlen(fsm->rx_filename);
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        fsm->state = ec_fsm_foe_read_start;
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    }
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}
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/*****************************************************************************/
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/** State: ERROR.
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 */
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void ec_fsm_foe_error(
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        ec_fsm_foe_t *fsm, /**< finite state machine */
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        ec_datagram_t *datagram /**< Datagram to use. */
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        )
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{
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#ifdef DEBUG_FOE
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    EC_SLAVE_DBG(fsm->slave, 0, "%s()\n", __func__);
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#endif
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}
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/*****************************************************************************/
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/** State: END.
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 */
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void ec_fsm_foe_end(
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        ec_fsm_foe_t *fsm, /**< finite state machine */
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        ec_datagram_t *datagram /**< Datagram to use. */
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        )
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{
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#ifdef DEBUG_FOE
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    EC_SLAVE_DBG(fsm->slave, 0, "%s()\n", __func__);
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#endif
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}
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/*****************************************************************************/
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/** Sends a file or the next fragment.
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 *
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 * \return Zero on success, otherwise a negative error code.
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 */
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int ec_foe_prepare_data_send(
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        ec_fsm_foe_t *fsm, /**< Finite state machine. */
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        ec_datagram_t *datagram /**< Datagram to use. */
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        )
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{
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    size_t remaining_size, current_size;
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    uint8_t *data;
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    remaining_size = fsm->tx_buffer_size - fsm->tx_buffer_offset;
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    if (remaining_size < fsm->slave->configured_tx_mailbox_size
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            - EC_MBOX_HEADER_SIZE - EC_FOE_HEADER_SIZE) {
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        current_size = remaining_size;
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        fsm->tx_last_packet = 1;
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    } else {
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        current_size = fsm->slave->configured_tx_mailbox_size
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            - EC_MBOX_HEADER_SIZE - EC_FOE_HEADER_SIZE;
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    }
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    data = ec_slave_mbox_prepare_send(fsm->slave,
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            datagram, EC_MBOX_TYPE_FILEACCESS,
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            current_size + EC_FOE_HEADER_SIZE);
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    if (IS_ERR(data)) {
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        return -1;
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   260
    }
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    EC_WRITE_U16(data, EC_FOE_OPCODE_DATA);    // OpCode = DataBlock req.
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    EC_WRITE_U32(data + 2, fsm->tx_packet_no); // PacketNo, Password
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    memcpy(data + EC_FOE_HEADER_SIZE,
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            fsm->tx_buffer + fsm->tx_buffer_offset, current_size);
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    fsm->tx_current_size = current_size;
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    return 0;
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}
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/*****************************************************************************/
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/** Prepare a write request (WRQ) with filename
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 *
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 * \return Zero on success, otherwise a negative error code.
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 */
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int ec_foe_prepare_wrq_send(
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        ec_fsm_foe_t *fsm, /**< Finite state machine. */
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        ec_datagram_t *datagram /**< Datagram to use. */
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        )
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{
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    size_t current_size;
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    uint8_t *data;
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    fsm->tx_buffer_offset = 0;
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    fsm->tx_current_size = 0;
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    fsm->tx_packet_no = 0;
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    fsm->tx_last_packet = 0;
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    current_size = fsm->tx_filename_len;
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    data = ec_slave_mbox_prepare_send(fsm->slave, datagram,
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            EC_MBOX_TYPE_FILEACCESS, current_size + EC_FOE_HEADER_SIZE);
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   295
    if (IS_ERR(data)) {
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        return -1;
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   297
    }
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   298
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    EC_WRITE_U16( data, EC_FOE_OPCODE_WRQ); // fsm write request
1335
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    EC_WRITE_U32( data + 2, fsm->tx_packet_no );
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    memcpy(data + EC_FOE_HEADER_SIZE, fsm->tx_filename, current_size);
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   303
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    return 0;
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   305
}
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   306
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/*****************************************************************************/
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   309
/** Initializes the FoE write state machine.
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   310
 */
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   311
void ec_fsm_foe_write_start(
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        ec_fsm_foe_t *fsm, /**< finite state machine */
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        ec_datagram_t *datagram /**< Datagram to use. */
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   314
        )
1335
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   315
{
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   316
    ec_slave_t *slave = fsm->slave;
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   317
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   318
    fsm->tx_buffer_offset = 0;
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   319
    fsm->tx_current_size = 0;
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   320
    fsm->tx_packet_no = 0;
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   321
    fsm->tx_last_packet = 0;
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   322
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   323
#ifdef DEBUG_FOE
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   324
    EC_SLAVE_DBG(fsm->slave, 0, "%s()\n", __func__);
1335
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   325
#endif
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   326
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   327
    if (!(slave->sii.mailbox_protocols & EC_MBOX_FOE)) {
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
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   328
        ec_foe_set_tx_error(fsm, FOE_MBOX_PROT_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
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diff changeset
   329
        EC_SLAVE_ERR(slave, "Slave does not support FoE!\n");
1335
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   330
        return;
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diff changeset
   331
    }
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   332
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   333
    if (ec_foe_prepare_wrq_send(fsm, datagram)) {
1335
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   334
        ec_foe_set_tx_error(fsm, FOE_PROT_ERROR);
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   335
        return;
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diff changeset
   336
    }
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   337
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   338
    fsm->state = ec_fsm_foe_state_wrq_sent;
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   339
}
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   340
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   341
/*****************************************************************************/
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   342
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   343
/** Check for acknowledge.
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   344
 */
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   345
void ec_fsm_foe_state_ack_check(
2498
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   346
        ec_fsm_foe_t *fsm, /**< FoE statemachine. */
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   347
        ec_datagram_t *datagram /**< Datagram to use. */
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   348
        )
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   349
{
1335
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   350
    ec_slave_t *slave = fsm->slave;
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   351
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   352
#ifdef DEBUG_FOE
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   353
    EC_SLAVE_DBG(fsm->slave, 0, "%s()\n", __func__);
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   354
#endif
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   355
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   356
    if (fsm->datagram->state != EC_DATAGRAM_RECEIVED) {
1343
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   357
        ec_foe_set_rx_error(fsm, FOE_RECEIVE_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
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diff changeset
   358
        EC_SLAVE_ERR(slave, "Failed to receive FoE mailbox check datagram: ");
2498
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diff changeset
   359
        ec_datagram_print_state(fsm->datagram);
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   360
        return;
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diff changeset
   361
    }
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Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   362
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   363
    if (fsm->datagram->working_counter != 1) {
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
        ec_foe_set_rx_error(fsm, FOE_WC_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   365
        EC_SLAVE_ERR(slave, "Reception of FoE mailbox check datagram"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   366
                " failed: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   367
        ec_datagram_print_wc_error(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   368
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   369
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   370
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   371
    if (!ec_slave_mbox_check(fsm->datagram)) {
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   372
        // slave did not put anything in the mailbox yet
2528
8bb574da5da2 Fixed FoE timeout calculation bug.
Florian Pose <fp@igh-essen.com>
parents: 2527
diff changeset
   373
        unsigned long diff_ms = (fsm->datagram->jiffies_received -
8bb574da5da2 Fixed FoE timeout calculation bug.
Florian Pose <fp@igh-essen.com>
parents: 2527
diff changeset
   374
                fsm->jiffies_start) * 1000 / HZ;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
        if (diff_ms >= EC_FSM_FOE_TIMEOUT) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   376
            ec_foe_set_tx_error(fsm, FOE_TIMEOUT_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   377
            EC_SLAVE_ERR(slave, "Timeout while waiting for ack response.\n");
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
            return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
        }
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   380
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
        ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
        fsm->retries = EC_FSM_RETRIES;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
        return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
    // Fetch response
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
    ec_slave_mbox_prepare_fetch(slave, datagram); // can not fail.
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
    fsm->retries = EC_FSM_RETRIES;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
    fsm->state = ec_fsm_foe_state_ack_read;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
}
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
/*****************************************************************************/
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   395
/** Acknowledge a read operation.
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   396
 */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   397
void ec_fsm_foe_state_ack_read(
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   398
        ec_fsm_foe_t *fsm, /**< FoE statemachine. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   399
        ec_datagram_t *datagram /**< Datagram to use. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   400
        )
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   401
{
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
    ec_slave_t *slave = fsm->slave;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
    uint8_t *data, mbox_prot;
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   404
    uint8_t opCode;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
    size_t rec_size;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   407
#ifdef DEBUG_FOE
2527
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   408
    EC_SLAVE_DBG(fsm->slave, 0, "%s()\n", __func__);
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   409
#endif
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   410
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   411
    if (fsm->datagram->state != EC_DATAGRAM_RECEIVED) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   412
        ec_foe_set_rx_error(fsm, FOE_RECEIVE_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   413
        EC_SLAVE_ERR(slave, "Failed to receive FoE ack response datagram: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   414
        ec_datagram_print_state(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   415
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   416
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   417
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   418
    if (fsm->datagram->working_counter != 1) {
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
        ec_foe_set_rx_error(fsm, FOE_WC_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   420
        EC_SLAVE_ERR(slave, "Reception of FoE ack response failed: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   421
        ec_datagram_print_wc_error(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   422
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   423
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   424
2502
906ef8b1c0ec FoE datagram / fsm->datagram bugfix, thanks to R. Roesch.
Florian Pose <fp@igh-essen.com>
parents: 2501
diff changeset
   425
    data = ec_slave_mbox_fetch(slave, fsm->datagram, &mbox_prot, &rec_size);
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   426
    if (IS_ERR(data)) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   427
        ec_foe_set_tx_error(fsm, FOE_PROT_ERROR);
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
        return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
    if (mbox_prot != EC_MBOX_TYPE_FILEACCESS) { // FoE
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   432
        ec_foe_set_tx_error(fsm, FOE_MBOX_PROT_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   433
        EC_SLAVE_ERR(slave, "Received mailbox protocol 0x%02X as response.\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   434
                mbox_prot);
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
        return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   438
    opCode = EC_READ_U8(data);
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   439
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   440
    if (opCode == EC_FOE_OPCODE_BUSY) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   441
        // slave not ready
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   442
        if (ec_foe_prepare_data_send(fsm, datagram)) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   443
            ec_foe_set_tx_error(fsm, FOE_PROT_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   444
            EC_SLAVE_ERR(slave, "Slave is busy.\n");
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   445
            return;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
        }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
        fsm->state = ec_fsm_foe_state_data_sent;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
        return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   451
    if (opCode == EC_FOE_OPCODE_ACK) {
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
        fsm->tx_packet_no++;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
        fsm->tx_buffer_offset += fsm->tx_current_size;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
        if (fsm->tx_last_packet) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   456
            fsm->state = ec_fsm_foe_end;
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   457
            return;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
        }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   460
        if (ec_foe_prepare_data_send(fsm, datagram)) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   461
            ec_foe_set_tx_error(fsm, FOE_PROT_ERROR);
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   462
            return;
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   463
        }
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
        fsm->state = ec_fsm_foe_state_data_sent;
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   465
        return;
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   466
    }
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   467
    ec_foe_set_tx_error(fsm, FOE_ACK_ERROR);
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
}
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
/*****************************************************************************/
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   471
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   472
/** State: WRQ SENT.
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   473
 *
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   474
 * Checks is the previous transmit datagram succeded and sends the next
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   475
 * fragment, if necessary.
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   476
 */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   477
void ec_fsm_foe_state_wrq_sent(
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   478
        ec_fsm_foe_t *fsm, /**< FoE statemachine. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   479
        ec_datagram_t *datagram /**< Datagram to use. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   480
        )
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   481
{
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
    ec_slave_t *slave = fsm->slave;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   484
#ifdef DEBUG_FOE
2527
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   485
    EC_SLAVE_DBG(fsm->slave, 0, "%s()\n", __func__);
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   486
#endif
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   487
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   488
    if (fsm->datagram->state != EC_DATAGRAM_RECEIVED) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   489
        ec_foe_set_rx_error(fsm, FOE_RECEIVE_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   490
        EC_SLAVE_ERR(slave, "Failed to send FoE WRQ: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   491
        ec_datagram_print_state(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   492
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   493
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   494
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   495
    if (fsm->datagram->working_counter != 1) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   496
        // slave did not put anything in the mailbox yet
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
        ec_foe_set_rx_error(fsm, FOE_WC_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   498
        EC_SLAVE_ERR(slave, "Reception of FoE WRQ failed: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   499
        ec_datagram_print_wc_error(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   500
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   501
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   502
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   503
    fsm->jiffies_start = fsm->datagram->jiffies_sent;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
2502
906ef8b1c0ec FoE datagram / fsm->datagram bugfix, thanks to R. Roesch.
Florian Pose <fp@igh-essen.com>
parents: 2501
diff changeset
   505
    ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
    fsm->retries = EC_FSM_RETRIES;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
    fsm->state = ec_fsm_foe_state_ack_check;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
}
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
/*****************************************************************************/
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   512
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   513
/** State: WRQ SENT.
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   514
 *
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   515
 * Checks is the previous transmit datagram succeded and sends the next
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   516
 * fragment, if necessary.
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   517
 */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   518
void ec_fsm_foe_state_data_sent(
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   519
        ec_fsm_foe_t *fsm, /**< Foe statemachine. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   520
        ec_datagram_t *datagram /**< Datagram to use. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   521
        )
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   522
{
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
    ec_slave_t *slave = fsm->slave;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   525
#ifdef DEBUG_FOE
2527
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   526
    EC_SLAVE_DBG(fsm->slave, 0, "%s()\n", __func__);
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   527
#endif
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   528
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
    if (fsm->datagram->state != EC_DATAGRAM_RECEIVED) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   530
        ec_foe_set_tx_error(fsm, FOE_RECEIVE_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   531
        EC_SLAVE_ERR(slave, "Failed to receive FoE ack response datagram: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   532
        ec_datagram_print_state(fsm->datagram);
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
        return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
    if (fsm->datagram->working_counter != 1) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   537
        ec_foe_set_tx_error(fsm, FOE_WC_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   538
        EC_SLAVE_ERR(slave, "Reception of FoE data send failed: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   539
        ec_datagram_print_wc_error(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   540
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   541
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   542
2502
906ef8b1c0ec FoE datagram / fsm->datagram bugfix, thanks to R. Roesch.
Florian Pose <fp@igh-essen.com>
parents: 2501
diff changeset
   543
    ec_slave_mbox_prepare_check(slave, datagram);
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
    fsm->jiffies_start = jiffies;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
    fsm->retries = EC_FSM_RETRIES;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
    fsm->state = ec_fsm_foe_state_ack_check;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
}
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
/*****************************************************************************/
1901
2a1106b1d863 Documented fsm_foe members and removed unused variables.
Florian Pose <fp@igh-essen.com>
parents: 1822
diff changeset
   550
2a1106b1d863 Documented fsm_foe members and removed unused variables.
Florian Pose <fp@igh-essen.com>
parents: 1822
diff changeset
   551
/** Prepare a read request (RRQ) with filename
2522
ec403cf308eb Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 2502
diff changeset
   552
 *
ec403cf308eb Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 2502
diff changeset
   553
 * \return Zero on success, otherwise a negative error code.
1901
2a1106b1d863 Documented fsm_foe members and removed unused variables.
Florian Pose <fp@igh-essen.com>
parents: 1822
diff changeset
   554
 */
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   555
int ec_foe_prepare_rrq_send(
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   556
        ec_fsm_foe_t *fsm, /**< Finite state machine. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   557
        ec_datagram_t *datagram /**< Datagram to use. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   558
        )
1446
85ea5af50175 Fixed usage of IS_ERR() in FoE state machine.
Florian Pose <fp@igh-essen.com>
parents: 1416
diff changeset
   559
{
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
    size_t current_size;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
    uint8_t *data;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
    current_size = fsm->rx_filename_len;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   565
    data = ec_slave_mbox_prepare_send(fsm->slave, datagram,
1446
85ea5af50175 Fixed usage of IS_ERR() in FoE state machine.
Florian Pose <fp@igh-essen.com>
parents: 1416
diff changeset
   566
            EC_MBOX_TYPE_FILEACCESS, current_size + EC_FOE_HEADER_SIZE);
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   567
    if (IS_ERR(data)) {
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
        return -1;
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   569
    }
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   571
    EC_WRITE_U16(data, EC_FOE_OPCODE_RRQ); // fsm read request
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   572
    EC_WRITE_U32(data + 2, 0x00000000); // no passwd
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
    memcpy(data + EC_FOE_HEADER_SIZE, fsm->rx_filename, current_size);
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   575
    if (fsm->slave->master->debug_level) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   576
        EC_SLAVE_DBG(fsm->slave, 1, "FoE Read Request:\n");
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   577
        ec_print_data(data, current_size + EC_FOE_HEADER_SIZE);
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   578
    }
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   579
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
    return 0;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
}
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
/*****************************************************************************/
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   585
/** Prepare to send an acknowledge.
2522
ec403cf308eb Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 2502
diff changeset
   586
 *
ec403cf308eb Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 2502
diff changeset
   587
 * \return Zero on success, otherwise a negative error code.
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   588
 */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   589
int ec_foe_prepare_send_ack(
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   590
        ec_fsm_foe_t *fsm, /**< FoE statemachine. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   591
        ec_datagram_t *datagram /**< Datagram to use. */
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   592
        )
1446
85ea5af50175 Fixed usage of IS_ERR() in FoE state machine.
Florian Pose <fp@igh-essen.com>
parents: 1416
diff changeset
   593
{
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
    uint8_t *data;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   596
    data = ec_slave_mbox_prepare_send(fsm->slave, datagram,
1446
85ea5af50175 Fixed usage of IS_ERR() in FoE state machine.
Florian Pose <fp@igh-essen.com>
parents: 1416
diff changeset
   597
            EC_MBOX_TYPE_FILEACCESS, EC_FOE_HEADER_SIZE);
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   598
    if (IS_ERR(data)) {
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
        return -1;
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   600
    }
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
1446
85ea5af50175 Fixed usage of IS_ERR() in FoE state machine.
Florian Pose <fp@igh-essen.com>
parents: 1416
diff changeset
   602
    EC_WRITE_U16(data, EC_FOE_OPCODE_ACK);
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   603
    EC_WRITE_U32(data + 2, fsm->rx_expected_packet_no);
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
    return 0;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
}
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
/*****************************************************************************/
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   609
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   610
/** State: RRQ SENT.
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   611
 *
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   612
 * Checks is the previous transmit datagram succeeded and sends the next
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   613
 * fragment, if necessary.
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   614
 */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   615
void ec_fsm_foe_state_rrq_sent(
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   616
        ec_fsm_foe_t *fsm, /**< FoE statemachine. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   617
        ec_datagram_t *datagram /**< Datagram to use. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   618
        )
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   619
{
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
    ec_slave_t *slave = fsm->slave;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   622
#ifdef DEBUG_FOE
2527
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   623
    EC_SLAVE_DBG(fsm->slave, 0, "%s()\n", __func__);
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   624
#endif
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   625
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   626
    if (fsm->datagram->state != EC_DATAGRAM_RECEIVED) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   627
        ec_foe_set_rx_error(fsm, FOE_RECEIVE_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   628
        EC_SLAVE_ERR(slave, "Failed to send FoE RRQ: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   629
        ec_datagram_print_state(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   630
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   631
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   632
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   633
    if (fsm->datagram->working_counter != 1) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   634
        // slave did not put anything in the mailbox yet
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
        ec_foe_set_rx_error(fsm, FOE_WC_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   636
        EC_SLAVE_ERR(slave, "Reception of FoE RRQ failed: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   637
        ec_datagram_print_wc_error(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   638
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   639
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   640
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   641
    fsm->jiffies_start = fsm->datagram->jiffies_sent;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
2502
906ef8b1c0ec FoE datagram / fsm->datagram bugfix, thanks to R. Roesch.
Florian Pose <fp@igh-essen.com>
parents: 2501
diff changeset
   643
    ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
    fsm->retries = EC_FSM_RETRIES;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
    fsm->state = ec_fsm_foe_state_data_check;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
}
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
/*****************************************************************************/
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   651
/** Starting state for read operations.
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   652
 */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   653
void ec_fsm_foe_read_start(
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   654
        ec_fsm_foe_t *fsm, /**< FoE statemachine. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   655
        ec_datagram_t *datagram /**< Datagram to use. */
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   656
        )
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
{
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
    ec_slave_t *slave = fsm->slave;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
    fsm->rx_buffer_offset = 0;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
    fsm->rx_expected_packet_no = 1;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
    fsm->rx_last_packet = 0;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   664
#ifdef DEBUG_FOE
2527
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   665
    EC_SLAVE_DBG(fsm->slave, 0, "%s()\n", __func__);
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   666
#endif
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   667
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
    if (!(slave->sii.mailbox_protocols & EC_MBOX_FOE)) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   669
        ec_foe_set_tx_error(fsm, FOE_MBOX_PROT_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   670
        EC_SLAVE_ERR(slave, "Slave does not support FoE!\n");
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
        return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   674
    if (ec_foe_prepare_rrq_send(fsm, datagram)) {
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
        ec_foe_set_rx_error(fsm, FOE_PROT_ERROR);
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
        return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
    fsm->state = ec_fsm_foe_state_rrq_sent;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
}
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
/*****************************************************************************/
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   684
/** Check for data.
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   685
 */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   686
void ec_fsm_foe_state_data_check(
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   687
        ec_fsm_foe_t *fsm, /**< FoE statemachine. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   688
        ec_datagram_t *datagram /**< Datagram to use. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   689
        )
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   690
{
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
    ec_slave_t *slave = fsm->slave;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   693
#ifdef DEBUG_FOE
2527
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   694
    EC_SLAVE_DBG(fsm->slave, 0, "%s()\n", __func__);
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   695
#endif
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   696
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   697
    if (fsm->datagram->state != EC_DATAGRAM_RECEIVED) {
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
        ec_foe_set_rx_error(fsm, FOE_RECEIVE_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   699
        EC_SLAVE_ERR(slave, "Failed to send FoE DATA READ: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   700
        ec_datagram_print_state(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   701
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   702
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   703
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   704
    if (fsm->datagram->working_counter != 1) {
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
        ec_foe_set_rx_error(fsm, FOE_WC_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   706
        EC_SLAVE_ERR(slave, "Reception of FoE DATA READ: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   707
        ec_datagram_print_wc_error(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   708
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   709
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   710
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   711
    if (!ec_slave_mbox_check(fsm->datagram)) {
2528
8bb574da5da2 Fixed FoE timeout calculation bug.
Florian Pose <fp@igh-essen.com>
parents: 2527
diff changeset
   712
        unsigned long diff_ms = (fsm->datagram->jiffies_received -
8bb574da5da2 Fixed FoE timeout calculation bug.
Florian Pose <fp@igh-essen.com>
parents: 2527
diff changeset
   713
                fsm->jiffies_start) * 1000 / HZ;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
        if (diff_ms >= EC_FSM_FOE_TIMEOUT) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   715
            ec_foe_set_tx_error(fsm, FOE_TIMEOUT_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   716
            EC_SLAVE_ERR(slave, "Timeout while waiting for ack response.\n");
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
            return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
        }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
        ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
        fsm->retries = EC_FSM_RETRIES;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
        return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
    // Fetch response
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
    ec_slave_mbox_prepare_fetch(slave, datagram); // can not fail.
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
    fsm->retries = EC_FSM_RETRIES;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
    fsm->state = ec_fsm_foe_state_data_read;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
}
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
/*****************************************************************************/
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   734
/** Start reading data.
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   735
 */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   736
void ec_fsm_foe_state_data_read(
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   737
        ec_fsm_foe_t *fsm, /**< FoE statemachine. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   738
        ec_datagram_t *datagram /**< Datagram to use. */
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   739
        )
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   740
{
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   741
    size_t rec_size;
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   742
    uint8_t *data, opCode, packet_no, mbox_prot;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
    ec_slave_t *slave = fsm->slave;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   746
#ifdef DEBUG_FOE
2527
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   747
    EC_SLAVE_DBG(fsm->slave, 0, "%s()\n", __func__);
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
#endif
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   749
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   750
    if (fsm->datagram->state != EC_DATAGRAM_RECEIVED) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   751
        ec_foe_set_rx_error(fsm, FOE_RECEIVE_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   752
        EC_SLAVE_ERR(slave, "Failed to receive FoE DATA READ datagram: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   753
        ec_datagram_print_state(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   754
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   755
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   756
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   757
    if (fsm->datagram->working_counter != 1) {
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
        ec_foe_set_rx_error(fsm, FOE_WC_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   759
        EC_SLAVE_ERR(slave, "Reception of FoE DATA READ failed: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   760
        ec_datagram_print_wc_error(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   761
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   762
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   763
2502
906ef8b1c0ec FoE datagram / fsm->datagram bugfix, thanks to R. Roesch.
Florian Pose <fp@igh-essen.com>
parents: 2501
diff changeset
   764
    data = ec_slave_mbox_fetch(slave, fsm->datagram, &mbox_prot, &rec_size);
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   765
    if (IS_ERR(data)) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   766
        ec_foe_set_rx_error(fsm, FOE_MBOX_FETCH_ERROR);
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   767
        return;
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   768
    }
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   769
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   770
    if (mbox_prot != EC_MBOX_TYPE_FILEACCESS) { // FoE
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   771
        EC_SLAVE_ERR(slave, "Received mailbox protocol 0x%02X as response.\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   772
                mbox_prot);
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
        ec_foe_set_rx_error(fsm, FOE_PROT_ERROR);
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
        return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   777
    opCode = EC_READ_U8(data);
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   778
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   779
    if (opCode == EC_FOE_OPCODE_BUSY) {
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   780
        if (ec_foe_prepare_send_ack(fsm, datagram)) {
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
            ec_foe_set_rx_error(fsm, FOE_PROT_ERROR);
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
        }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
        return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   786
    if (opCode == EC_FOE_OPCODE_ERR) {
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   787
        fsm->request->error_code = EC_READ_U32(data + 2);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   788
        EC_SLAVE_ERR(slave, "Received FoE Error Request (code 0x%08x).\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   789
                fsm->request->error_code);
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   790
        if (rec_size > 6) {
2257
a2a675601c98 Decreased maximum length of error message to avoid stack warning.
Florian Pose <fp@igh-essen.com>
parents: 2235
diff changeset
   791
            uint8_t text[256];
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   792
            strncpy(text, data + 6, min(rec_size - 6, sizeof(text)));
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   793
            EC_SLAVE_ERR(slave, "FoE Error Text: %s\n", text);
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   794
        }
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   795
        ec_foe_set_rx_error(fsm, FOE_OPCODE_ERROR);
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   796
        return;
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   797
    }
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   798
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   799
    if (opCode != EC_FOE_OPCODE_DATA) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   800
        EC_SLAVE_ERR(slave, "Received OPCODE %x, expected %x.\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   801
                opCode, EC_FOE_OPCODE_DATA);
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   802
        fsm->request->error_code = 0x00000000;
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   803
        ec_foe_set_rx_error(fsm, FOE_OPCODE_ERROR);
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
        return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
    packet_no = EC_READ_U16(data + 2);
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
    if (packet_no != fsm->rx_expected_packet_no) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   809
        EC_SLAVE_ERR(slave, "Received unexpected packet number.\n");
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
        ec_foe_set_rx_error(fsm, FOE_PACKETNO_ERROR);
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
        return;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
    rec_size -= EC_FOE_HEADER_SIZE;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   816
    if (fsm->rx_buffer_size >= fsm->rx_buffer_offset + rec_size) {
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   817
        memcpy(fsm->rx_buffer + fsm->rx_buffer_offset,
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   818
                data + EC_FOE_HEADER_SIZE, rec_size);
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
        fsm->rx_buffer_offset += rec_size;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   822
    fsm->rx_last_packet =
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   823
        (rec_size + EC_MBOX_HEADER_SIZE + EC_FOE_HEADER_SIZE
2502
906ef8b1c0ec FoE datagram / fsm->datagram bugfix, thanks to R. Roesch.
Florian Pose <fp@igh-essen.com>
parents: 2501
diff changeset
   824
         != slave->configured_rx_mailbox_size);
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
    if (fsm->rx_last_packet ||
1338
eb31b5a135da merge -c1621 branches/1.4-foe: Introduced configured_[tr]x_mailbox(size|offset) members of slave.
Florian Pose <fp@igh-essen.com>
parents: 1337
diff changeset
   827
            (slave->configured_rx_mailbox_size - EC_MBOX_HEADER_SIZE
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   828
             - EC_FOE_HEADER_SIZE + fsm->rx_buffer_offset)
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   829
            <= fsm->rx_buffer_size) {
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   830
        // either it was the last packet or a new packet will fit into the
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   831
        // delivered buffer
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   832
#ifdef DEBUG_FOE
2527
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   833
        EC_SLAVE_DBG(fsm->slave, 0, "last_packet=true\n");
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   834
#endif
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   835
        if (ec_foe_prepare_send_ack(fsm, datagram)) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   836
            ec_foe_set_rx_error(fsm, FOE_RX_DATA_ACK_ERROR);
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   837
            return;
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   838
        }
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   839
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   840
        fsm->state = ec_fsm_foe_state_sent_ack;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
    else {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   843
        // no more data fits into the delivered buffer
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   844
        // ... wait for new read request
2527
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   845
        EC_SLAVE_ERR(slave, "Data do not fit in receive buffer!\n");
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   846
        printk("  rx_buffer_size = %d\n", fsm->rx_buffer_size);
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   847
        printk("rx_buffer_offset = %d\n", fsm->rx_buffer_offset);
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   848
        printk("        rec_size = %zd\n", rec_size);
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   849
        printk(" rx_mailbox_size = %d\n", slave->configured_rx_mailbox_size);
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   850
        printk("  rx_last_packet = %d\n", fsm->rx_last_packet);
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   851
        fsm->request->result = FOE_READY;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
}
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
/*****************************************************************************/
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   857
/** Sent an acknowledge.
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   858
 */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   859
void ec_fsm_foe_state_sent_ack(
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   860
        ec_fsm_foe_t *fsm, /**< FoE statemachine. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   861
        ec_datagram_t *datagram /**< Datagram to use. */
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   862
        )
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   863
{
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
    ec_slave_t *slave = fsm->slave;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   866
#ifdef DEBUG_FOE
2527
f51f3ef3260d Improved FoE debug messages.
Florian Pose <fp@igh-essen.com>
parents: 2522
diff changeset
   867
    EC_SLAVE_DBG(fsm->slave, 0, "%s()\n", __func__);
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   868
#endif
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   869
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   870
    if (fsm->datagram->state != EC_DATAGRAM_RECEIVED) {
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
        ec_foe_set_rx_error(fsm, FOE_RECEIVE_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   872
        EC_SLAVE_ERR(slave, "Failed to send FoE ACK: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   873
        ec_datagram_print_state(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   874
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   875
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   876
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   877
    if (fsm->datagram->working_counter != 1) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   878
        // slave did not put anything into the mailbox yet
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
        ec_foe_set_rx_error(fsm, FOE_WC_ERROR);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1901
diff changeset
   880
        EC_SLAVE_ERR(slave, "Reception of FoE ACK failed: ");
2498
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   881
        ec_datagram_print_wc_error(fsm->datagram);
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   882
        return;
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   883
    }
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   884
9cdd7669dc0b Avoided io_sem locking from userspace/rtdm library.
Florian Pose <fp@igh-essen.com>
parents: 2257
diff changeset
   885
    fsm->jiffies_start = fsm->datagram->jiffies_sent;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
2502
906ef8b1c0ec FoE datagram / fsm->datagram bugfix, thanks to R. Roesch.
Florian Pose <fp@igh-essen.com>
parents: 2501
diff changeset
   887
    ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
    if (fsm->rx_last_packet) {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   890
        fsm->rx_expected_packet_no = 0;
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   891
        fsm->request->data_size = fsm->rx_buffer_offset;
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   892
        fsm->state = ec_fsm_foe_end;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
    else {
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   895
        fsm->rx_expected_packet_no++;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
        fsm->retries = EC_FSM_RETRIES;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
        fsm->state = ec_fsm_foe_state_data_check;
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
    }
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
}
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
/*****************************************************************************/
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   903
/** Set an error code and go to the send error state.
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   904
 */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   905
void ec_foe_set_tx_error(
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   906
        ec_fsm_foe_t *fsm, /**< FoE statemachine. */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   907
        uint32_t errorcode /**< FoE error code. */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   908
        )
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   909
{
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   910
    fsm->request->result = errorcode;
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   911
    fsm->state = ec_fsm_foe_error;
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
}
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
/*****************************************************************************/
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
1465
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   916
/** Set an error code and go to the receive error state.
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   917
 */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   918
void ec_foe_set_rx_error(
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   919
        ec_fsm_foe_t *fsm, /**< FoE statemachine. */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   920
        uint32_t errorcode /**< FoE error code. */
3099d78343ea Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 1446
diff changeset
   921
        )
1336
e27b37e80a99 merge -c1618 branches/1.4-foe: Improved FoE.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
   922
{
1343
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   923
    fsm->request->result = errorcode;
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   924
    fsm->state = ec_fsm_foe_error;
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   925
}
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   926
6628cd694cba Fixed spacing and comments.
Florian Pose <fp@igh-essen.com>
parents: 1338
diff changeset
   927
/*****************************************************************************/