master/fsm_coe.c
author Florian Pose <fp@igh-essen.com>
Wed, 12 Sep 2007 14:07:28 +0000
changeset 720 9664a19978dd
parent 713 ae41cadd25b6
child 739 4a02162a6301
permissions -rw-r--r--
Removed measure_bus_time().
436
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/******************************************************************************
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 *
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 *  $Id$
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 *
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 *  Copyright (C) 2006  Florian Pose, Ingenieurgemeinschaft IgH
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 *
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 *  This file is part of the IgH EtherCAT Master.
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 *
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 *  The IgH EtherCAT Master is free software; you can redistribute it
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 *  and/or modify it under the terms of the GNU General Public License
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 *  as published by the Free Software Foundation; either version 2 of the
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 *  License, or (at your option) any later version.
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 *
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 *  The IgH EtherCAT Master is distributed in the hope that it will be
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 *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with the IgH EtherCAT Master; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 *
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 *  The right to use EtherCAT Technology is granted and comes free of
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 *  charge under condition of compatibility of product made by
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 *  Licensee. People intending to distribute/sell products based on the
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 *  code, have to sign an agreement to guarantee that products using
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 *  software based on IgH EtherCAT master stay compatible with the actual
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 *  EtherCAT specification (which are released themselves as an open
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 *  standard) as the (only) precondition to have the right to use EtherCAT
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 *  Technology, IP and trade marks.
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 *
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 *****************************************************************************/
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/**
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   \file
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   EtherCAT CoE 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_coe.h"
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/*****************************************************************************/
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void ec_fsm_coe_dict_start(ec_fsm_coe_t *);
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void ec_fsm_coe_dict_request(ec_fsm_coe_t *);
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void ec_fsm_coe_dict_check(ec_fsm_coe_t *);
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void ec_fsm_coe_dict_response(ec_fsm_coe_t *);
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void ec_fsm_coe_dict_desc_request(ec_fsm_coe_t *);
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void ec_fsm_coe_dict_desc_check(ec_fsm_coe_t *);
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void ec_fsm_coe_dict_desc_response(ec_fsm_coe_t *);
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void ec_fsm_coe_dict_entry_request(ec_fsm_coe_t *);
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void ec_fsm_coe_dict_entry_check(ec_fsm_coe_t *);
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void ec_fsm_coe_dict_entry_response(ec_fsm_coe_t *);
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void ec_fsm_coe_down_start(ec_fsm_coe_t *);
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void ec_fsm_coe_down_request(ec_fsm_coe_t *);
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void ec_fsm_coe_down_check(ec_fsm_coe_t *);
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void ec_fsm_coe_down_response(ec_fsm_coe_t *);
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void ec_fsm_coe_up_start(ec_fsm_coe_t *);
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void ec_fsm_coe_up_request(ec_fsm_coe_t *);
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void ec_fsm_coe_up_check(ec_fsm_coe_t *);
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void ec_fsm_coe_up_response(ec_fsm_coe_t *);
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void ec_fsm_coe_up_seg_request(ec_fsm_coe_t *);
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void ec_fsm_coe_up_seg_check(ec_fsm_coe_t *);
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void ec_fsm_coe_up_seg_response(ec_fsm_coe_t *);
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void ec_fsm_coe_end(ec_fsm_coe_t *);
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void ec_fsm_coe_error(ec_fsm_coe_t *);
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/*****************************************************************************/
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/**
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   SDO abort messages.
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   The "abort SDO transfer request" supplies an abort code,
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   which can be translated to clear text. This table does
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   the mapping of the codes and messages.
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*/
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const ec_code_msg_t sdo_abort_messages[] = {
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    {0x05030000, "Toggle bit not changed"},
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    {0x05040000, "SDO protocol timeout"},
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    {0x05040001, "Client/Server command specifier not valid or unknown"},
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    {0x05040005, "Out of memory"},
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    {0x06010000, "Unsupported access to an object"},
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    {0x06010001, "Attempt to read a write-only object"},
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    {0x06010002, "Attempt to write a read-only object"},
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    {0x06020000, "This object does not exist in the object directory"},
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    {0x06040041, "The object cannot be mapped into the PDO"},
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    {0x06040042, "The number and length of the objects to be mapped would"
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     " exceed the PDO length"},
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    {0x06040043, "General parameter incompatibility reason"},
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    {0x06040047, "Gerneral internal incompatibility in device"},
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    {0x06060000, "Access failure due to a hardware error"},
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    {0x06070010, "Data type does not match, length of service parameter does"
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     " not match"},
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    {0x06070012, "Data type does not match, length of service parameter too"
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     " high"},
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    {0x06070013, "Data type does not match, length of service parameter too"
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     " low"},
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    {0x06090011, "Subindex does not exist"},
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    {0x06090030, "Value range of parameter exceeded"},
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    {0x06090031, "Value of parameter written too high"},
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    {0x06090032, "Value of parameter written too low"},
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    {0x06090036, "Maximum value is less than minimum value"},
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    {0x08000000, "General error"},
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    {0x08000020, "Data cannot be transferred or stored to the application"},
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    {0x08000021, "Data cannot be transferred or stored to the application"
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     " because of local control"},
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    {0x08000022, "Data cannot be transferred or stored to the application"
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     " because of the present device state"},
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    {0x08000023, "Object dictionary dynamic generation fails or no object"
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     " dictionary is present"},
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    {}
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};
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/*****************************************************************************/
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/**
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   Outputs an SDO abort message.
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*/
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void ec_canopen_abort_msg(uint32_t abort_code)
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{
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    const ec_code_msg_t *abort_msg;
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    for (abort_msg = sdo_abort_messages; abort_msg->code; abort_msg++) {
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        if (abort_msg->code == abort_code) {
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            EC_ERR("SDO abort message 0x%08X: \"%s\".\n",
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                   abort_msg->code, abort_msg->message);
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            return;
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        }
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    }
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    EC_ERR("Unknown SDO abort code 0x%08X.\n", abort_code);
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}
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/*****************************************************************************/
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/**
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   Constructor.
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*/
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void ec_fsm_coe_init(ec_fsm_coe_t *fsm, /**< finite state machine */
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                     ec_datagram_t *datagram /**< datagram */
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                     )
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{
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    fsm->state = NULL;
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    fsm->datagram = datagram;
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}
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/*****************************************************************************/
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/**
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   Destructor.
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*/
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void ec_fsm_coe_clear(ec_fsm_coe_t *fsm /**< finite state machine */)
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{
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}
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/*****************************************************************************/
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/**
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   Starts reading a slaves' SDO dictionary.
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*/
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void ec_fsm_coe_dictionary(ec_fsm_coe_t *fsm, /**< finite state machine */
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                           ec_slave_t *slave /**< EtherCAT slave */
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                           )
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{
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    fsm->slave = slave;
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    fsm->state = ec_fsm_coe_dict_start;
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}
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/*****************************************************************************/
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/**
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   Starts to download an SDO to a slave.
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*/
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void ec_fsm_coe_download(ec_fsm_coe_t *fsm, /**< finite state machine */
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                         ec_slave_t *slave, /**< EtherCAT slave */
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                         ec_sdo_data_t *sdodata /**< SDO data object */
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                         )
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{
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    fsm->slave = slave;
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    fsm->sdodata = sdodata;
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    fsm->state = ec_fsm_coe_down_start;
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}
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/*****************************************************************************/
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/**
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   Starts to upload an SDO from a slave.
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*/
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void ec_fsm_coe_upload(ec_fsm_coe_t *fsm, /**< finite state machine */
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                       ec_slave_t *slave, /**< EtherCAT slave */
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                       ec_sdo_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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    fsm->state = ec_fsm_coe_up_start;
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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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   \return false, if state machine has terminated
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*/
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int ec_fsm_coe_exec(ec_fsm_coe_t *fsm /**< finite state machine */)
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{
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    fsm->state(fsm);
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    return fsm->state != ec_fsm_coe_end && fsm->state != ec_fsm_coe_error;
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}
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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_coe_success(ec_fsm_coe_t *fsm /**< Finite state machine */)
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{
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    return fsm->state == ec_fsm_coe_end;
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}
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/******************************************************************************
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 *  CoE dictionary state machine
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 *****************************************************************************/
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/**
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   CoE state: DICT START.
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*/
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void ec_fsm_coe_dict_start(ec_fsm_coe_t *fsm /**< finite state machine */)
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{
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    ec_datagram_t *datagram = fsm->datagram;
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    ec_slave_t *slave = fsm->slave;
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    uint8_t *data;
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    if (!(data = ec_slave_mbox_prepare_send(slave, datagram, 0x03, 8))) {
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        fsm->state = ec_fsm_coe_error;
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        return;
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    }
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    EC_WRITE_U16(data, 0x8 << 12); // SDO information
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    EC_WRITE_U8 (data + 2, 0x01); // Get OD List Request
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    EC_WRITE_U8 (data + 3, 0x00);
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    EC_WRITE_U16(data + 4, 0x0000);
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    EC_WRITE_U16(data + 6, 0x0001); // deliver all SDOs!
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505
bc443ca0077f State machines re-send datagrams on timeout.
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    fsm->retries = EC_FSM_RETRIES;
436
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    fsm->state = ec_fsm_coe_dict_request;
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}
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/*****************************************************************************/
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/**
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   CoE state: DICT REQUEST.
505
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   \todo Timeout behavior
436
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*/
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void ec_fsm_coe_dict_request(ec_fsm_coe_t *fsm /**< finite state machine */)
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{
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    ec_datagram_t *datagram = fsm->datagram;
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    ec_slave_t *slave = fsm->slave;
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d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
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    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
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        return; // FIXME: request again?
505
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    if (datagram->state != EC_DATAGRAM_RECEIVED) {
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        fsm->state = ec_fsm_coe_error;
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        EC_ERR("Failed to receive CoE dictionary request datagram for"
594
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               " slave %i (datagram state %i).\n",
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               slave->ring_position, datagram->state);
505
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        return;
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    }
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    if (datagram->working_counter != 1) {
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        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
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        EC_ERR("Reception of CoE dictionary request failed on slave %i: ",
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                slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   294
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
    fsm->cycles_start = datagram->cycles_sent;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
    ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   301
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
    fsm->state = ec_fsm_coe_dict_check;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
   CoE state: DICT CHECK.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
void ec_fsm_coe_dict_check(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   316
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   317
        return;
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   318
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   319
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   320
        fsm->state = ec_fsm_coe_error;
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   321
        EC_ERR("Failed to receive CoE mailbox check datagram for slave %i"
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   322
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   323
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   324
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   325
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   326
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   327
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   328
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   329
        EC_ERR("Reception of CoE mailbox check datagram failed on slave %i: ",
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
               slave->ring_position);
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   331
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
    if (!ec_slave_mbox_check(datagram)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
        if (datagram->cycles_received
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
            - fsm->cycles_start >= (cycles_t) 100 * cpu_khz) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
            EC_ERR("Timeout while checking SDO dictionary on slave %i.\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
                   slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
        ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   345
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
    // Fetch response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
    ec_slave_mbox_prepare_fetch(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   351
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
    fsm->state = ec_fsm_coe_dict_response;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
   CoE state: DICT RESPONSE.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   359
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
void ec_fsm_coe_dict_response(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
    uint8_t *data, mbox_prot;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
    size_t rec_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
    unsigned int sdo_count, i;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
    uint16_t sdo_index;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
    ec_sdo_t *sdo;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   372
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   373
        return; // FIXME: request again?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   374
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   375
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   376
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   377
        EC_ERR("Failed to receive CoE dictionary response datagram for"
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   378
               " slave %i (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   379
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   380
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   381
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   382
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   383
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   384
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   385
        EC_ERR("Reception of CoE dictionary response failed on slave %i: ",
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   386
                slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   387
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
    if (!(data = ec_slave_mbox_fetch(slave, datagram,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
				     &mbox_prot, &rec_size))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
    if (mbox_prot != 0x03) { // CoE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
   398
        EC_ERR("Received mailbox protocol 0x%02X as response.\n", mbox_prot);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
    if (EC_READ_U16(data) >> 12 == 0x8 && // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
        (EC_READ_U8(data + 2) & 0x7F) == 0x07) { // error response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
        EC_ERR("SDO information error response at slave %i!\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
               slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
        ec_canopen_abort_msg(EC_READ_U32(data + 6));
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
    if (EC_READ_U16(data) >> 12 != 0x8 || // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
        (EC_READ_U8 (data + 2) & 0x7F) != 0x02) { // Get OD List response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
        EC_ERR("Invalid SDO list response at slave %i!\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
               slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
    if (rec_size < 8) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
        EC_ERR("Invalid data size!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
    sdo_count = (rec_size - 8) / 2;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
    for (i = 0; i < sdo_count; i++) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
        sdo_index = EC_READ_U16(data + 8 + i * 2);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
        if (!sdo_index) {
461
b9eda9235173 Print certain warnings only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 459
diff changeset
   433
            if (slave->master->debug_level)
b9eda9235173 Print certain warnings only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 459
diff changeset
   434
                EC_WARN("SDO dictionary of slave %i contains index 0x0000.\n",
b9eda9235173 Print certain warnings only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 459
diff changeset
   435
                        slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
            continue;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
        if (!(sdo = (ec_sdo_t *) kmalloc(sizeof(ec_sdo_t), GFP_ATOMIC))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
            EC_ERR("Failed to allocate memory for SDO!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
        if (ec_sdo_init(sdo, sdo_index, slave)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
            EC_ERR("Failed to init SDO!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
        list_add_tail(&sdo->list, &slave->sdo_dictionary);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
    if (EC_READ_U8(data + 2) & 0x80) { // more messages waiting. check again.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
        fsm->cycles_start = datagram->cycles_sent;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
        ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   457
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
        fsm->state = ec_fsm_coe_dict_check;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
    if (list_empty(&slave->sdo_dictionary)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
        // no SDOs in dictionary. finished.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
        fsm->state = ec_fsm_coe_end; // success
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
    // fetch SDO descriptions
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
    fsm->sdo = list_entry(slave->sdo_dictionary.next, ec_sdo_t, list);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
    if (!(data = ec_slave_mbox_prepare_send(slave, datagram, 0x03, 8))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
    EC_WRITE_U16(data, 0x8 << 12); // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
    EC_WRITE_U8 (data + 2, 0x03); // Get object description request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
    EC_WRITE_U8 (data + 3, 0x00);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
    EC_WRITE_U16(data + 4, 0x0000);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
    EC_WRITE_U16(data + 6, fsm->sdo->index); // SDO index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   482
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
    fsm->state = ec_fsm_coe_dict_desc_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
   CoE state: DICT DESC REQUEST.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   490
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
void ec_fsm_coe_dict_desc_request(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   498
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   499
        return; // FIXME: check for response first?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   500
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   501
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   502
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   503
        EC_ERR("Failed to receive CoE SDO description request datagram for"
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   504
               " slave %i (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   505
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   506
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   507
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   508
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   509
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   510
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   511
        EC_ERR("Reception of CoE SDO description"
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   512
                " request failed on slave %i: ", slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   513
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
    fsm->cycles_start = datagram->cycles_sent;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
    ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   520
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
    fsm->state = ec_fsm_coe_dict_desc_check;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
   CoE state: DICT DESC CHECK.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
void ec_fsm_coe_dict_desc_check(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   535
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   536
        return;
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   537
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   538
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   539
        fsm->state = ec_fsm_coe_error;
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   540
        EC_ERR("Failed to receive CoE mailbox check datagram from slave %i"
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   541
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   542
                slave->ring_position, datagram->state);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   546
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   547
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   548
        EC_ERR("Reception of CoE mailbox check"
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   549
                " datagram failed on slave %i: ", slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   550
        ec_datagram_print_wc_error(datagram);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   551
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   552
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   553
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
    if (!ec_slave_mbox_check(datagram)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
        if (datagram->cycles_received
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
            - fsm->cycles_start >= (cycles_t) 100 * cpu_khz) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
            EC_ERR("Timeout while checking SDO description on slave %i.\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
                   slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
        ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   564
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
    // Fetch response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
    ec_slave_mbox_prepare_fetch(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   570
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
    fsm->state = ec_fsm_coe_dict_desc_response;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
   CoE state: DICT DESC RESPONSE.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   578
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
void ec_fsm_coe_dict_desc_response(ec_fsm_coe_t *fsm
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
                                   /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
    ec_sdo_t *sdo = fsm->sdo;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
    uint8_t *data, mbox_prot;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
    size_t rec_size, name_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   590
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   591
        return; // FIXME: request again?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   592
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   593
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   594
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   595
        EC_ERR("Failed to receive CoE SDO description response datagram from"
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   596
               " slave %i (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   597
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   598
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   599
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   600
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   601
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   602
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   603
        EC_ERR("Reception of CoE SDO description"
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   604
                " response failed on slave %i: ", slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   605
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
    if (!(data = ec_slave_mbox_fetch(slave, datagram,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
				     &mbox_prot, &rec_size))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
    if (mbox_prot != 0x03) { // CoE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
   616
        EC_ERR("Received mailbox protocol 0x%02X as response.\n", mbox_prot);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
    if (EC_READ_U16(data) >> 12 == 0x8 && // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
        (EC_READ_U8 (data + 2) & 0x7F) == 0x07) { // error response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
        EC_ERR("SDO information error response at slave %i while"
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
               " fetching SDO 0x%04X!\n", slave->ring_position,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
               sdo->index);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
        ec_canopen_abort_msg(EC_READ_U32(data + 6));
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
    if (EC_READ_U16(data) >> 12 != 0x8 || // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
        (EC_READ_U8 (data + 2) & 0x7F) != 0x04 || // Object desc. response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
        EC_READ_U16(data + 6) != sdo->index) { // SDO index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
        EC_ERR("Invalid object description response at slave %i while"
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
               " fetching SDO 0x%04X!\n", slave->ring_position,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
               sdo->index);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
    if (rec_size < 12) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
        EC_ERR("Invalid data size!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
    sdo->subindices = EC_READ_U8(data + 10);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
    sdo->object_code = EC_READ_U8(data + 11);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
    name_size = rec_size - 12;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
    if (name_size) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
        if (!(sdo->name = kmalloc(name_size + 1, GFP_ATOMIC))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
            EC_ERR("Failed to allocate SDO name!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
        memcpy(sdo->name, data + 12, name_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
        sdo->name[name_size] = 0;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
    if (EC_READ_U8(data + 2) & 0x80) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
        EC_ERR("Fragment follows (not implemented)!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
    // start fetching entries
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
    fsm->subindex = 0;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
    if (!(data = ec_slave_mbox_prepare_send(slave, datagram, 0x03, 10))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
    EC_WRITE_U16(data, 0x8 << 12); // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
    EC_WRITE_U8 (data + 2, 0x05); // Get entry description request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
    EC_WRITE_U8 (data + 3, 0x00);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
    EC_WRITE_U16(data + 4, 0x0000);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
    EC_WRITE_U16(data + 6, sdo->index); // SDO index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
    EC_WRITE_U8 (data + 8, fsm->subindex); // SDO subindex
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
    EC_WRITE_U8 (data + 9, 0x00); // value info (no values)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   687
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
    fsm->state = ec_fsm_coe_dict_entry_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
   CoE state: DICT ENTRY REQUEST.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   695
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
void ec_fsm_coe_dict_entry_request(ec_fsm_coe_t *fsm
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
                                   /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   704
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   705
        return; // FIXME: check for response first?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   706
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   707
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   708
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   709
        EC_ERR("Failed to receive CoE SDO entry request datagram for"
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   710
               " slave %i (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   711
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   712
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   713
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   714
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   715
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   716
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   717
        EC_ERR("Reception of CoE SDO entry request failed on slave %i: ",
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   718
                slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   719
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
    fsm->cycles_start = datagram->cycles_sent;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   725
    ec_slave_mbox_prepare_check(slave, datagram); // can not fail
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   726
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
    fsm->state = ec_fsm_coe_dict_entry_check;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
   CoE state: DICT ENTRY CHECK.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
void ec_fsm_coe_dict_entry_check(ec_fsm_coe_t *fsm
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
                                 /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   742
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   743
        return;
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   744
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   745
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   746
        fsm->state = ec_fsm_coe_error;
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   747
        EC_ERR("Failed to receive CoE mailbox check datagram from slave %i"
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   748
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   749
               slave->ring_position, datagram->state);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   753
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   754
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   755
        EC_ERR("Reception of CoE mailbox check"
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   756
                " datagram failed on slave %i: ", slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   757
        ec_datagram_print_wc_error(datagram);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   758
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   759
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   760
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
    if (!ec_slave_mbox_check(datagram)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
        if (datagram->cycles_received
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
            - fsm->cycles_start >= (cycles_t) 100 * cpu_khz) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
            EC_ERR("Timeout while checking SDO entry on slave %i.\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
                   slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
        ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   771
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
    // Fetch response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
    ec_slave_mbox_prepare_fetch(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   777
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
    fsm->state = ec_fsm_coe_dict_entry_response;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
   CoE state: DICT ENTRY RESPONSE.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   785
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
void ec_fsm_coe_dict_entry_response(ec_fsm_coe_t *fsm
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
                                    /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
    ec_sdo_t *sdo = fsm->sdo;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
    uint8_t *data, mbox_prot;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
    size_t rec_size, data_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
    ec_sdo_entry_t *entry;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   798
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   799
        return; // FIXME: request again?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   800
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   801
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   802
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   803
        EC_ERR("Failed to receive CoE SDO description response datagram from"
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   804
               " slave %i (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   805
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   806
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   807
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   808
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   809
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   810
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   811
        EC_ERR("Reception of CoE SDO description"
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   812
                " response failed on slave %i: ", slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   813
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
    if (!(data = ec_slave_mbox_fetch(slave, datagram,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
				     &mbox_prot, &rec_size))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
    if (mbox_prot != 0x03) { // CoE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
   824
        EC_ERR("Received mailbox protocol 0x%02X as response.\n", mbox_prot);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
    if (EC_READ_U16(data) >> 12 == 0x8 && // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
        (EC_READ_U8 (data + 2) & 0x7F) == 0x07) { // error response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
        EC_ERR("SDO information error response at slave %i while"
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
               " fetching SDO entry 0x%04X:%i!\n", slave->ring_position,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
               sdo->index, fsm->subindex);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
        ec_canopen_abort_msg(EC_READ_U32(data + 6));
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
    if (EC_READ_U16(data) >> 12 != 0x8 || // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
        (EC_READ_U8(data + 2) & 0x7F) != 0x06 || // Entry desc. response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
        EC_READ_U16(data + 6) != sdo->index || // SDO index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
        EC_READ_U8(data + 8) != fsm->subindex) { // SDO subindex
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
        EC_ERR("Invalid entry description response at slave %i while"
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
               " fetching SDO entry 0x%04X:%i!\n", slave->ring_position,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
               sdo->index, fsm->subindex);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
    if (rec_size < 16) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
        EC_ERR("Invalid data size!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
    data_size = rec_size - 16;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
    if (!(entry = (ec_sdo_entry_t *)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
          kmalloc(sizeof(ec_sdo_entry_t), GFP_ATOMIC))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
        EC_ERR("Failed to allocate entry!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
    if (ec_sdo_entry_init(entry, fsm->subindex, sdo)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
        EC_ERR("Failed to init entry!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
    entry->data_type = EC_READ_U16(data + 10);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
    entry->bit_length = EC_READ_U16(data + 12);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
    if (data_size) {
484
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 476
diff changeset
   877
        uint8_t *desc;
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 476
diff changeset
   878
        if (!(desc = kmalloc(data_size + 1, GFP_ATOMIC))) {
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
            EC_ERR("Failed to allocate SDO entry name!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
        }
484
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 476
diff changeset
   883
        memcpy(desc, data + 16, data_size);
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 476
diff changeset
   884
        desc[data_size] = 0;
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 476
diff changeset
   885
        entry->description = desc;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
    list_add_tail(&entry->list, &sdo->entries);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
    if (fsm->subindex < sdo->subindices) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
        fsm->subindex++;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
        if (!(data = ec_slave_mbox_prepare_send(slave, datagram, 0x03, 10))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
        EC_WRITE_U16(data, 0x8 << 12); // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
        EC_WRITE_U8 (data + 2, 0x05); // Get entry description request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
        EC_WRITE_U8 (data + 3, 0x00);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
        EC_WRITE_U16(data + 4, 0x0000);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
        EC_WRITE_U16(data + 6, sdo->index); // SDO index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
        EC_WRITE_U8 (data + 8, fsm->subindex); // SDO subindex
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
        EC_WRITE_U8 (data + 9, 0x00); // value info (no values)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   906
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
        fsm->state = ec_fsm_coe_dict_entry_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
    // another SDO description to fetch?
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
    if (fsm->sdo->list.next != &slave->sdo_dictionary) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
        fsm->sdo = list_entry(fsm->sdo->list.next, ec_sdo_t, list);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
        if (!(data = ec_slave_mbox_prepare_send(slave, datagram, 0x03, 8))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
        EC_WRITE_U16(data, 0x8 << 12); // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
        EC_WRITE_U8 (data + 2, 0x03); // Get object description request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
        EC_WRITE_U8 (data + 3, 0x00);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
        EC_WRITE_U16(data + 4, 0x0000);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
        EC_WRITE_U16(data + 6, fsm->sdo->index); // SDO index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   926
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
        fsm->state = ec_fsm_coe_dict_desc_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
    fsm->state = ec_fsm_coe_end;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
/******************************************************************************
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
 *  CoE state machine
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
 *****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
   CoE state: DOWN START.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
void ec_fsm_coe_down_start(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
    ec_sdo_data_t *sdodata = fsm->sdodata;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
    uint8_t *data;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
459
f0da52cf6b5b Print certain logs only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   949
    if (fsm->slave->master->debug_level)
f0da52cf6b5b Print certain logs only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   950
        EC_DBG("Downloading SDO 0x%04X:%i to slave %i.\n",
f0da52cf6b5b Print certain logs only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   951
               sdodata->index, sdodata->subindex, slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
    if (slave->sii_rx_mailbox_size < 6 + 10 + sdodata->size) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
        EC_ERR("SDO fragmenting not supported yet!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
    if (!(data = ec_slave_mbox_prepare_send(slave, datagram, 0x03,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
                                            sdodata->size + 10))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
    EC_WRITE_U16(data, 0x2 << 12); // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
    EC_WRITE_U8 (data + 2, (0x1 // size specified
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
                            | 0x1 << 5)); // Download request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
    EC_WRITE_U16(data + 3, sdodata->index);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
    EC_WRITE_U8 (data + 5, sdodata->subindex);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
    EC_WRITE_U32(data + 6, sdodata->size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
    memcpy(data + 10, sdodata->data, sdodata->size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   973
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
    fsm->state = ec_fsm_coe_down_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
   CoE state: DOWN REQUEST.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   981
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
void ec_fsm_coe_down_request(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   989
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   990
        return; // FIXME: check for response first?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   991
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   992
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   993
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   994
        EC_ERR("Failed to receive CoE download request datagram for"
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   995
               " slave %i (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   996
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   997
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   998
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   999
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1000
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1001
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1002
        EC_ERR("Reception of CoE download request failed on slave %i: ",
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1003
                slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1004
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
    fsm->cycles_start = datagram->cycles_sent;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
    ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1011
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
    fsm->state = ec_fsm_coe_down_check;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
   CoE state: DOWN CHECK.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
void ec_fsm_coe_down_check(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1026
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1027
        return;
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1028
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1029
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1030
        fsm->state = ec_fsm_coe_error;
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1031
        EC_ERR("Failed to receive CoE mailbox check datagram for slave %i"
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1032
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1033
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1034
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1035
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1036
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1037
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1038
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1039
        EC_ERR("Reception of CoE mailbox check"
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1040
                " datagram failed on slave %i: ", slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1041
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
    if (!ec_slave_mbox_check(datagram)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
        if (datagram->cycles_received
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
            - fsm->cycles_start >= (cycles_t) 100 * cpu_khz) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
            EC_ERR("Timeout while checking SDO configuration on slave %i.\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
                   slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
        ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1055
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
    // Fetch response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
    ec_slave_mbox_prepare_fetch(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1061
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
    fsm->state = ec_fsm_coe_down_response;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
   CoE state: DOWN RESPONSE.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1069
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
void ec_fsm_coe_down_response(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
    uint8_t *data, mbox_prot;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
    size_t rec_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
    ec_sdo_data_t *sdodata = fsm->sdodata;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1080
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1081
        return; // FIXME: request again?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1082
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1083
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1084
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1085
        EC_ERR("Failed to receive CoE download response datagram from"
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1086
               " slave %i (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1087
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1088
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1089
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1090
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1091
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1092
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1093
        EC_ERR("Reception of CoE download response failed on slave %i: ",
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1094
                slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1095
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
    if (!(data = ec_slave_mbox_fetch(slave, datagram,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
				     &mbox_prot, &rec_size))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
    if (mbox_prot != 0x03) { // CoE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1106
        EC_ERR("Received mailbox protocol 0x%02X as response.\n", mbox_prot);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
    if (rec_size < 6) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
        EC_ERR("Received data is too small (%i bytes):\n", rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
    if (EC_READ_U16(data) >> 12 == 0x2 && // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
        EC_READ_U8 (data + 2) >> 5 == 0x4) { // abort SDO transfer request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
        EC_ERR("SDO download 0x%04X:%X (%i bytes) aborted on slave %i.\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
               sdodata->index, sdodata->subindex, sdodata->size,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
               slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
        if (rec_size < 10) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
            EC_ERR("Incomplete Abort command:\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
            ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
        else
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
            ec_canopen_abort_msg(EC_READ_U32(data + 6));
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
    if (EC_READ_U16(data) >> 12 != 0x3 || // SDO response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
        EC_READ_U8 (data + 2) >> 5 != 0x3 || // Download response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
        EC_READ_U16(data + 3) != sdodata->index || // index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
        EC_READ_U8 (data + 5) != sdodata->subindex) { // subindex
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
        EC_ERR("SDO download 0x%04X:%X (%i bytes) failed:\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
               sdodata->index, sdodata->subindex, sdodata->size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
        EC_ERR("Invalid SDO download response at slave %i!\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
               slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
    fsm->state = ec_fsm_coe_end; // success
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
   CoE state: UP START.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
void ec_fsm_coe_up_start(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
    ec_master_t *master = slave->master;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
    ec_sdo_request_t *request = fsm->request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
    ec_sdo_t *sdo = request->sdo;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
    ec_sdo_entry_t *entry = request->entry;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
    uint8_t *data;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
459
f0da52cf6b5b Print certain logs only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
  1165
    if (master->debug_level)
f0da52cf6b5b Print certain logs only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
  1166
        EC_DBG("Uploading SDO 0x%04X:%i from slave %i.\n",
f0da52cf6b5b Print certain logs only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
  1167
               sdo->index, entry->subindex, slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
476
fd7c0ee645f8 Fixed CoE Upload Request, now 10 bytes of Mailbox Service Data.
Florian Pose <fp@igh-essen.com>
parents: 461
diff changeset
  1169
    if (!(data = ec_slave_mbox_prepare_send(slave, datagram, 0x03, 10))) {
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
    EC_WRITE_U16(data, 0x2 << 12); // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
    EC_WRITE_U8 (data + 2, 0x2 << 5); // initiate upload request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
    EC_WRITE_U16(data + 3, sdo->index);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
    EC_WRITE_U8 (data + 5, entry->subindex);
476
fd7c0ee645f8 Fixed CoE Upload Request, now 10 bytes of Mailbox Service Data.
Florian Pose <fp@igh-essen.com>
parents: 461
diff changeset
  1178
    memset(data + 6, 0x00, 4);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
    if (master->debug_level) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
        EC_DBG("Upload request:\n");
476
fd7c0ee645f8 Fixed CoE Upload Request, now 10 bytes of Mailbox Service Data.
Florian Pose <fp@igh-essen.com>
parents: 461
diff changeset
  1182
        ec_print_data(data, 10);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1185
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
    fsm->state = ec_fsm_coe_up_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
   CoE state: UP REQUEST.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1193
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
void ec_fsm_coe_up_request(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1201
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1202
        return; // FIXME: check for response first?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1203
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1204
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1205
        fsm->state = ec_fsm_coe_error;
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1206
        EC_ERR("Failed to receive CoE upload request for slave %i"
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1207
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1208
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1209
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1210
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1211
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1212
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1213
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1214
        EC_ERR("Reception of CoE upload request failed on slave %i: ",
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1215
                slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1216
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
    fsm->cycles_start = datagram->cycles_sent;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
    ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1223
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
    fsm->state = ec_fsm_coe_up_check;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
   CoE state: UP CHECK.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
void ec_fsm_coe_up_check(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1238
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1239
        return;
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1240
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1241
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1242
        fsm->state = ec_fsm_coe_error;
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1243
        EC_ERR("Failed to receive CoE mailbox check datagram from slave %i"
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1244
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1245
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1246
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1247
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1248
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1249
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1250
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1251
        EC_ERR("Reception of CoE mailbox check"
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1252
                " datagram failed on slave %i: ", slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1253
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
    if (!ec_slave_mbox_check(datagram)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
        if (datagram->cycles_received
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
            - fsm->cycles_start >= (cycles_t) 100 * cpu_khz) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
            EC_ERR("Timeout while checking SDO upload on slave %i.\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
                   slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
        ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1267
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
    // Fetch response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
    ec_slave_mbox_prepare_fetch(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1273
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
    fsm->state = ec_fsm_coe_up_response;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
   CoE state: UP RESPONSE.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1281
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
void ec_fsm_coe_up_response(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
    ec_master_t *master = slave->master;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
    uint8_t *data, mbox_prot;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
    size_t rec_size, data_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
    ec_sdo_request_t *request = fsm->request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
    ec_sdo_t *sdo = request->sdo;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
    ec_sdo_entry_t *entry = request->entry;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
    uint32_t complete_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
    unsigned int expedited, size_specified;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1297
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1298
        return; // FIXME: request again?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1299
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1300
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1301
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1302
        EC_ERR("Failed to receive CoE upload response datagram for"
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1303
               " slave %i (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1304
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1305
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1306
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1307
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1308
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1309
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1310
        EC_ERR("Reception of CoE upload response failed on slave %i: ",
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1311
                slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1312
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
    if (!(data = ec_slave_mbox_fetch(slave, datagram,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
				     &mbox_prot, &rec_size))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
    if (master->debug_level) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
        EC_DBG("Upload response:\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
    if (mbox_prot != 0x03) { // CoE
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
        EC_WARN("Received mailbox protocol 0x%02X as response.\n", mbox_prot);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
    if (rec_size < 10) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
        EC_ERR("Received currupted SDO upload response!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
    if (EC_READ_U16(data) >> 12 == 0x2 && // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
        EC_READ_U8 (data + 2) >> 5 == 0x4) { // abort SDO transfer request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
        EC_ERR("SDO upload 0x%04X:%X aborted on slave %i.\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
               sdo->index, entry->subindex, slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
        ec_canopen_abort_msg(EC_READ_U32(data + 6));
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
    if (EC_READ_U16(data) >> 12 != 0x3 || // SDO response
476
fd7c0ee645f8 Fixed CoE Upload Request, now 10 bytes of Mailbox Service Data.
Florian Pose <fp@igh-essen.com>
parents: 461
diff changeset
  1350
        EC_READ_U8 (data + 2) >> 5 != 0x2 || // upload response
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
        EC_READ_U16(data + 3) != sdo->index || // index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
        EC_READ_U8 (data + 5) != entry->subindex) { // subindex
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
        EC_ERR("SDO upload 0x%04X:%X failed:\n", sdo->index, entry->subindex);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
        EC_ERR("Invalid SDO upload response at slave %i!\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
               slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
    data_size = rec_size - 10;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
    expedited = EC_READ_U8(data + 2) & 0x02;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
    if (expedited) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
        size_specified = EC_READ_U8(data + 2) & 0x01;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
        if (size_specified) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
            complete_size = 4 - ((EC_READ_U8(data + 2) & 0x0C) >> 2);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
        else {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
            complete_size = 4;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
    else {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
        complete_size = EC_READ_U32(data + 6);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
    if (request->data) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
        kfree(request->data);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
        request->data = NULL;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
    request->size = 0;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
    if (complete_size) {
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1384
        if (!(request->data = (uint8_t *)
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1385
              kmalloc(complete_size + 1, GFP_ATOMIC))) {
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1386
            EC_ERR("Failed to allocate %i bytes of SDO data!\n",
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1387
                   complete_size);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
        request->data[complete_size] = 0x00; // just to be sure...
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
    if (expedited) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
        memcpy(request->data, data + 6, complete_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
        request->size = complete_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
    else {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
        memcpy(request->data, data + 10, data_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
        request->size = data_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
        fsm->toggle = 0;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
        if (data_size < complete_size) {
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1404
            EC_WARN("SDO data incomplete (%i / %i).\n",
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1405
                    data_size, complete_size);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1406
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1407
            if (!(data = ec_slave_mbox_prepare_send(slave, datagram,
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1408
                                                    0x03, 3))) {
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
                fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
                return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
            }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
            EC_WRITE_U16(data, 0x2 << 12); // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
            EC_WRITE_U8 (data + 2, (fsm->toggle << 4 // toggle
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
                                    | 0x3 << 5)); // upload segment request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
            if (master->debug_level) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
                EC_DBG("Upload segment request:\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
                ec_print_data(data, 3);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
            }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1422
            fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
            fsm->state = ec_fsm_coe_up_seg_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
    fsm->state = ec_fsm_coe_end; // success
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
   CoE state: UP REQUEST.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1435
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
void ec_fsm_coe_up_seg_request(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1443
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1444
        return; // FIXME: check for response first?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1445
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1446
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1447
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1448
        EC_ERR("Failed to receive CoE upload segment request datagram for"
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1449
               " slave %i (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1450
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1451
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1452
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1453
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1454
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1455
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1456
        EC_ERR("Reception of CoE upload segment"
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1457
                " request failed on slave %i: ", slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1458
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
    fsm->cycles_start = datagram->cycles_sent;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
    ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1465
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
    fsm->state = ec_fsm_coe_up_seg_check;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
   CoE state: UP CHECK.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
void ec_fsm_coe_up_seg_check(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1480
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1481
        return;
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1482
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1483
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1484
        fsm->state = ec_fsm_coe_error;
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1485
        EC_ERR("Failed to receive CoE mailbox check datagram for slave %i"
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1486
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1487
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1488
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1489
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1490
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1491
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1492
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1493
        EC_ERR("Reception of CoE mailbox check"
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1494
                " datagram failed on slave %i: ", slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1495
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
    if (!ec_slave_mbox_check(datagram)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
        if (datagram->cycles_received
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
            - fsm->cycles_start >= (cycles_t) 100 * cpu_khz) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
            EC_ERR("Timeout while checking SDO upload segment on slave %i.\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
                   slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
        ec_slave_mbox_prepare_check(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1509
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
    // Fetch response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
    ec_slave_mbox_prepare_fetch(slave, datagram); // can not fail.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1515
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
    fsm->state = ec_fsm_coe_up_seg_response;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
   CoE state: UP RESPONSE.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1523
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
void ec_fsm_coe_up_seg_response(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
    ec_master_t *master = slave->master;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
    uint8_t *data, mbox_prot;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
    size_t rec_size, data_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
    ec_sdo_request_t *request = fsm->request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
    ec_sdo_t *sdo = request->sdo;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
    ec_sdo_entry_t *entry = request->entry;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
    uint32_t seg_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
    unsigned int last_segment;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1539
    if (datagram->state == EC_DATAGRAM_TIMED_OUT && fsm->retries--)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1540
        return; // FIXME: request again?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1541
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1542
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1543
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1544
        EC_ERR("Failed to receive CoE upload segment response datagram for"
594
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1545
               " slave %i (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1546
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1547
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1548
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1549
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1550
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1551
        fsm->state = ec_fsm_coe_error;
713
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1552
        EC_ERR("Reception of CoE upload segment"
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1553
                " response failed on slave %i: ", slave->ring_position);
ae41cadd25b6 Better handling of unexpected working counters; introduced
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
  1554
        ec_datagram_print_wc_error(datagram);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
    if (!(data = ec_slave_mbox_fetch(slave, datagram,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
				     &mbox_prot, &rec_size))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
    if (master->debug_level) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
        EC_DBG("Upload segment response:\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
    if (mbox_prot != 0x03) { // CoE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1570
        EC_ERR("Received mailbox protocol 0x%02X as response.\n", mbox_prot);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
    if (rec_size < 10) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
        EC_ERR("Received currupted SDO upload segment response!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
    if (EC_READ_U16(data) >> 12 == 0x2 && // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
        EC_READ_U8 (data + 2) >> 5 == 0x4) { // abort SDO transfer request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
        EC_ERR("SDO upload 0x%04X:%X aborted on slave %i.\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
               sdo->index, entry->subindex, slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
        ec_canopen_abort_msg(EC_READ_U32(data + 6));
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
    if (EC_READ_U16(data) >> 12 != 0x3 || // SDO response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
        EC_READ_U8 (data + 2) >> 5 != 0x0) { // upload segment response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
        EC_ERR("SDO upload 0x%04X:%X failed:\n", sdo->index, entry->subindex);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
        EC_ERR("Invalid SDO upload segment response at slave %i!\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
               slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
    last_segment = EC_READ_U8(data + 2) & 0x01;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
    seg_size = (EC_READ_U8(data + 2) & 0xE) >> 1;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
    data_size = rec_size - 10;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
    if (data_size != seg_size) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
        EC_WARN("SDO segment data invalid (%i / %i)"
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
                " - Fragmenting not implemented.\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
                data_size, seg_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
    memcpy(request->data + request->size, data + 10, data_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
    request->size += data_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
    if (!last_segment) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
        fsm->toggle = !fsm->toggle;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
        if (!(data = ec_slave_mbox_prepare_send(slave, datagram, 0x03, 3))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
        EC_WRITE_U16(data, 0x2 << 12); // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
        EC_WRITE_U8 (data + 2, (fsm->toggle << 4 // toggle
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
                                | 0x3 << 5)); // upload segment request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
        if (master->debug_level) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
            EC_DBG("Upload segment request:\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
            ec_print_data(data, 3);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1631
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
        fsm->state = ec_fsm_coe_up_seg_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
    fsm->state = ec_fsm_coe_end; // success
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
   State: ERROR.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
void ec_fsm_coe_error(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
   State: END.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
void ec_fsm_coe_end(ec_fsm_coe_t *fsm /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
/*****************************************************************************/