master/fsm_coe.c
author Florian Pose <fp@igh-essen.com>
Thu, 03 May 2007 14:29:21 +0000
changeset 664 18c48cb7de06
parent 637 d5d04c868e0e
child 713 ae41cadd25b6
permissions -rw-r--r--
Introduced frames_timed_out flag to notice bus failure when link down is
not detected.
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
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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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637
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;
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        EC_ERR("Reception of CoE dictionary request failed - slave %i did"
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               " not respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
    }
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
    fsm->cycles_start = datagram->cycles_sent;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
    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
   300
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
    fsm->state = ec_fsm_coe_dict_check;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
}
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
   CoE state: DICT CHECK.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
*/
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
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
   311
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   315
    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
   316
        return;
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   317
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   318
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   319
        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
   320
        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
   321
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   322
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   323
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   324
    }
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
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   327
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   328
        EC_ERR("Reception of CoE mailbox check datagram failed - slave %i did"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   329
               " not respond.\n",
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
               slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
    }
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
    if (!ec_slave_mbox_check(datagram)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
        if (datagram->cycles_received
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
            - fsm->cycles_start >= (cycles_t) 100 * cpu_khz) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
            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
   339
                   slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
        }
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
        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
   344
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
    }
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
    // Fetch response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
    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
   350
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
    fsm->state = ec_fsm_coe_dict_response;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
}
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
   CoE state: DICT RESPONSE.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   358
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
*/
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
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
   362
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
    uint8_t *data, mbox_prot;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
    size_t rec_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
    unsigned int sdo_count, i;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
    uint16_t sdo_index;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
    ec_sdo_t *sdo;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   371
    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
   372
        return; // FIXME: request again?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   373
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   374
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   375
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   376
        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
   377
               " 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
   378
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   379
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   380
    }
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
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   383
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   384
        EC_ERR("Reception of CoE dictionary response failed - slave %i did"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   385
               " not respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
    if (!(data = ec_slave_mbox_fetch(slave, datagram,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
				     &mbox_prot, &rec_size))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
    if (mbox_prot != 0x03) { // CoE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
   396
        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
   397
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
    if (EC_READ_U16(data) >> 12 == 0x8 && // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
        (EC_READ_U8(data + 2) & 0x7F) == 0x07) { // error response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
        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
   404
               slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
        ec_canopen_abort_msg(EC_READ_U32(data + 6));
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
    if (EC_READ_U16(data) >> 12 != 0x8 || // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
        (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
   412
        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
   413
               slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
    if (rec_size < 8) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
        EC_ERR("Invalid data size!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
    sdo_count = (rec_size - 8) / 2;
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
    for (i = 0; i < sdo_count; i++) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
        sdo_index = EC_READ_U16(data + 8 + i * 2);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
        if (!sdo_index) {
461
b9eda9235173 Print certain warnings only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 459
diff changeset
   431
            if (slave->master->debug_level)
b9eda9235173 Print certain warnings only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 459
diff changeset
   432
                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
   433
                        slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
            continue;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
        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
   438
            EC_ERR("Failed to allocate memory for SDO!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
        if (ec_sdo_init(sdo, sdo_index, slave)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
            EC_ERR("Failed to init SDO!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
        list_add_tail(&sdo->list, &slave->sdo_dictionary);
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
    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
   453
        fsm->cycles_start = datagram->cycles_sent;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
        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
   455
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
        fsm->state = ec_fsm_coe_dict_check;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
    if (list_empty(&slave->sdo_dictionary)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
        // no SDOs in dictionary. finished.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
        fsm->state = ec_fsm_coe_end; // success
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
    // fetch SDO descriptions
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
    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
   468
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
    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
   470
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
    EC_WRITE_U16(data, 0x8 << 12); // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
    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
   476
    EC_WRITE_U8 (data + 3, 0x00);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
    EC_WRITE_U16(data + 4, 0x0000);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
    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
   479
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   480
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
    fsm->state = ec_fsm_coe_dict_desc_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
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
   CoE state: DICT DESC REQUEST.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   488
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
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
   492
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   496
    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
   497
        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
   498
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   499
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   500
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   501
        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
   502
               " 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
   503
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   504
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   505
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   506
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   507
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   508
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   509
        EC_ERR("Reception of CoE SDO description request failed - slave %i did"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   510
               " not respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
    fsm->cycles_start = datagram->cycles_sent;
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
    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
   517
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
    fsm->state = ec_fsm_coe_dict_desc_check;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
/*****************************************************************************/
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
   CoE state: DICT DESC CHECK.
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
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
   528
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   532
    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
   533
        return;
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   534
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   535
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   536
        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
   537
        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
   538
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   539
                slave->ring_position, datagram->state);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   543
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   544
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   545
        EC_ERR("Reception of CoE mailbox check datagram failed - slave %i did"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   546
               " not respond.\n", slave->ring_position);
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   547
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   548
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   549
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
    if (!ec_slave_mbox_check(datagram)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
        if (datagram->cycles_received
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
            - fsm->cycles_start >= (cycles_t) 100 * cpu_khz) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
            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
   555
                   slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
        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
   560
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
        return;
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
    // Fetch response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
    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
   566
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
    fsm->state = ec_fsm_coe_dict_desc_response;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
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
   CoE state: DICT DESC RESPONSE.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   574
   \todo Timeout behavior
436
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
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
   578
                                   /**< finite state machine */)
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
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
    ec_sdo_t *sdo = fsm->sdo;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
    uint8_t *data, mbox_prot;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
    size_t rec_size, name_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   586
    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
   587
        return; // FIXME: request again?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   588
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   589
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   590
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   591
        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
   592
               " 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
   593
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   594
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   595
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   596
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   597
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   598
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   599
        EC_ERR("Reception of CoE SDO description response failed - slave %i"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   600
               " did not respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
    if (!(data = ec_slave_mbox_fetch(slave, datagram,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
				     &mbox_prot, &rec_size))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
        return;
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
    if (mbox_prot != 0x03) { // CoE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
   611
        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
   612
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	return;
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
    if (EC_READ_U16(data) >> 12 == 0x8 && // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
        (EC_READ_U8 (data + 2) & 0x7F) == 0x07) { // error response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
        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
   619
               " fetching SDO 0x%04X!\n", slave->ring_position,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
               sdo->index);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
        ec_canopen_abort_msg(EC_READ_U32(data + 6));
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
    if (EC_READ_U16(data) >> 12 != 0x8 || // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
        (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
   628
        EC_READ_U16(data + 6) != sdo->index) { // SDO index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
        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
   630
               " fetching SDO 0x%04X!\n", slave->ring_position,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
               sdo->index);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
    if (rec_size < 12) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
        EC_ERR("Invalid data size!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
    sdo->subindices = EC_READ_U8(data + 10);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
    sdo->object_code = EC_READ_U8(data + 11);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
    name_size = rec_size - 12;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
    if (name_size) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
        if (!(sdo->name = kmalloc(name_size + 1, GFP_ATOMIC))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
            EC_ERR("Failed to allocate SDO name!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
        memcpy(sdo->name, data + 12, name_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
        sdo->name[name_size] = 0;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
    }
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
    if (EC_READ_U8(data + 2) & 0x80) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
        EC_ERR("Fragment follows (not implemented)!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
	return;
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
    // start fetching entries
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
    fsm->subindex = 0;
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
    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
   670
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
    }
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
    EC_WRITE_U16(data, 0x8 << 12); // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
    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
   676
    EC_WRITE_U8 (data + 3, 0x00);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
    EC_WRITE_U16(data + 4, 0x0000);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
    EC_WRITE_U16(data + 6, sdo->index); // SDO index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
    EC_WRITE_U8 (data + 8, fsm->subindex); // SDO subindex
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
    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
   681
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   682
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
    fsm->state = ec_fsm_coe_dict_entry_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
   CoE state: DICT ENTRY REQUEST.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   690
   \todo Timeout behavior
436
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
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
   694
                                   /**< finite state machine */)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   699
    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
   700
        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
   701
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   702
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   703
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   704
        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
   705
               " 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
   706
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   707
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   708
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   709
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   710
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   711
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   712
        EC_ERR("Reception of CoE SDO entry request failed - slave %i did"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   713
               " not respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
    fsm->cycles_start = datagram->cycles_sent;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   719
    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
   720
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
    fsm->state = ec_fsm_coe_dict_entry_check;
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
   CoE state: 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
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
   731
                                 /**< finite state machine */)
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
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   736
    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
   737
        return;
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   738
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   739
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   740
        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
   741
        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
   742
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
   743
               slave->ring_position, datagram->state);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   747
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   748
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   749
        EC_ERR("Reception of CoE mailbox check datagram failed - slave %i did"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   750
               " not respond.\n", slave->ring_position);
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   751
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   752
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   753
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
    if (!ec_slave_mbox_check(datagram)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
        if (datagram->cycles_received
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
            - fsm->cycles_start >= (cycles_t) 100 * cpu_khz) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
            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
   759
                   slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
        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
   764
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
    // Fetch response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
    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
   770
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
    fsm->state = ec_fsm_coe_dict_entry_response;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
}
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
   CoE state: DICT ENTRY RESPONSE.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   778
   \todo Timeout behavior
436
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
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
   782
                                    /**< finite state machine */)
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
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
    ec_sdo_t *sdo = fsm->sdo;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
    uint8_t *data, mbox_prot;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
    size_t rec_size, data_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
    ec_sdo_entry_t *entry;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   791
    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
   792
        return; // FIXME: request again?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   793
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   794
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   795
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   796
        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
   797
               " 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
   798
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   799
        return;
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
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   802
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   803
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   804
        EC_ERR("Reception of CoE SDO description response failed - slave %i"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   805
               " did not respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
    if (!(data = ec_slave_mbox_fetch(slave, datagram,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
				     &mbox_prot, &rec_size))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
    if (mbox_prot != 0x03) { // CoE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
   816
        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
   817
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
    if (EC_READ_U16(data) >> 12 == 0x8 && // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
        (EC_READ_U8 (data + 2) & 0x7F) == 0x07) { // error response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
        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
   824
               " 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
   825
               sdo->index, fsm->subindex);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
        ec_canopen_abort_msg(EC_READ_U32(data + 6));
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
    if (EC_READ_U16(data) >> 12 != 0x8 || // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
        (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
   833
        EC_READ_U16(data + 6) != sdo->index || // SDO index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
        EC_READ_U8(data + 8) != fsm->subindex) { // SDO subindex
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
        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
   836
               " 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
   837
               sdo->index, fsm->subindex);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
    if (rec_size < 16) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
        EC_ERR("Invalid data size!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
    }
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
    data_size = rec_size - 16;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
    if (!(entry = (ec_sdo_entry_t *)
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
          kmalloc(sizeof(ec_sdo_entry_t), GFP_ATOMIC))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
        EC_ERR("Failed to allocate entry!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	return;
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
    if (ec_sdo_entry_init(entry, fsm->subindex, sdo)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
        EC_ERR("Failed to init entry!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
    entry->data_type = EC_READ_U16(data + 10);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
    entry->bit_length = EC_READ_U16(data + 12);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
    if (data_size) {
484
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 476
diff changeset
   869
        uint8_t *desc;
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 476
diff changeset
   870
        if (!(desc = kmalloc(data_size + 1, GFP_ATOMIC))) {
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
            EC_ERR("Failed to allocate SDO entry name!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
        }
484
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 476
diff changeset
   875
        memcpy(desc, data + 16, data_size);
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 476
diff changeset
   876
        desc[data_size] = 0;
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 476
diff changeset
   877
        entry->description = desc;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
    list_add_tail(&entry->list, &sdo->entries);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
    if (fsm->subindex < sdo->subindices) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
        fsm->subindex++;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
        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
   886
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
        }
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
        EC_WRITE_U16(data, 0x8 << 12); // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
        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
   892
        EC_WRITE_U8 (data + 3, 0x00);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
        EC_WRITE_U16(data + 4, 0x0000);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
        EC_WRITE_U16(data + 6, sdo->index); // SDO index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
        EC_WRITE_U8 (data + 8, fsm->subindex); // SDO subindex
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
        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
   897
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   898
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
        fsm->state = ec_fsm_coe_dict_entry_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
    // another SDO description to fetch?
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
    if (fsm->sdo->list.next != &slave->sdo_dictionary) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
        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
   906
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
        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
   908
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
            return;
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
        EC_WRITE_U16(data, 0x8 << 12); // SDO information
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
        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
   914
        EC_WRITE_U8 (data + 3, 0x00);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
        EC_WRITE_U16(data + 4, 0x0000);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
        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
   917
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   918
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
        fsm->state = ec_fsm_coe_dict_desc_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
    fsm->state = ec_fsm_coe_end;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
/******************************************************************************
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
 *  CoE state machine
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
 *****************************************************************************/
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
   CoE state: DOWN START.
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
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
   935
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
    ec_sdo_data_t *sdodata = fsm->sdodata;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
    uint8_t *data;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
459
f0da52cf6b5b Print certain logs only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   941
    if (fsm->slave->master->debug_level)
f0da52cf6b5b Print certain logs only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   942
        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
   943
               sdodata->index, sdodata->subindex, slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
    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
   946
        EC_ERR("SDO fragmenting not supported yet!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
    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
   952
                                            sdodata->size + 10))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
    EC_WRITE_U16(data, 0x2 << 12); // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
    EC_WRITE_U8 (data + 2, (0x1 // size specified
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
                            | 0x1 << 5)); // Download request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
    EC_WRITE_U16(data + 3, sdodata->index);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
    EC_WRITE_U8 (data + 5, sdodata->subindex);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
    EC_WRITE_U32(data + 6, sdodata->size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
    memcpy(data + 10, sdodata->data, sdodata->size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   965
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
    fsm->state = ec_fsm_coe_down_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
   CoE state: DOWN REQUEST.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   973
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
*/
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
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
   977
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
   981
    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
   982
        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
   983
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   984
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   985
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   986
        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
   987
               " 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
   988
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   989
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   990
    }
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->working_counter != 1) {
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("Reception of CoE download request failed - slave %i did not"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
   995
               " respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
    fsm->cycles_start = datagram->cycles_sent;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
    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
  1002
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
    fsm->state = ec_fsm_coe_down_check;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
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
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
   CoE state: DOWN CHECK.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
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
  1013
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1017
    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
  1018
        return;
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1019
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1020
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1021
        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
  1022
        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
  1023
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1024
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1025
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1026
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1027
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1028
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1029
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1030
        EC_ERR("Reception of CoE mailbox check datagram failed - slave %i did"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1031
               " not respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
    if (!ec_slave_mbox_check(datagram)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
        if (datagram->cycles_received
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
            - fsm->cycles_start >= (cycles_t) 100 * cpu_khz) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
            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
  1040
                   slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
        }
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
        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
  1045
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
    // Fetch response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
    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
  1051
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
    fsm->state = ec_fsm_coe_down_response;
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
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
   CoE state: DOWN RESPONSE.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1059
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
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
  1063
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
    uint8_t *data, mbox_prot;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
    size_t rec_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
    ec_sdo_data_t *sdodata = fsm->sdodata;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1070
    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
  1071
        return; // FIXME: request again?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1072
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1073
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1074
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1075
        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
  1076
               " 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
  1077
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1078
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1079
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1080
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1081
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1082
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1083
        EC_ERR("Reception of CoE download response failed - slave %i did not"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1084
               " respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
    if (!(data = ec_slave_mbox_fetch(slave, datagram,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
				     &mbox_prot, &rec_size))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
    if (mbox_prot != 0x03) { // CoE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1095
        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
  1096
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	return;
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
    if (rec_size < 6) {
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
        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
  1103
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
    if (EC_READ_U16(data) >> 12 == 0x2 && // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
        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
  1109
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
        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
  1111
               sdodata->index, sdodata->subindex, sdodata->size,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
               slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
        if (rec_size < 10) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
            EC_ERR("Incomplete Abort command:\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
            ec_print_data(data, rec_size);
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
        else
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
            ec_canopen_abort_msg(EC_READ_U32(data + 6));
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
    if (EC_READ_U16(data) >> 12 != 0x3 || // SDO response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
        EC_READ_U8 (data + 2) >> 5 != 0x3 || // Download response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
        EC_READ_U16(data + 3) != sdodata->index || // index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
        EC_READ_U8 (data + 5) != sdodata->subindex) { // subindex
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
        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
  1128
               sdodata->index, sdodata->subindex, sdodata->size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
        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
  1130
               slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
    fsm->state = ec_fsm_coe_end; // success
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
   CoE state: UP START.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
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
  1145
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
    ec_master_t *master = slave->master;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
    ec_sdo_request_t *request = fsm->request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
    ec_sdo_t *sdo = request->sdo;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
    ec_sdo_entry_t *entry = request->entry;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
    uint8_t *data;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
459
f0da52cf6b5b Print certain logs only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
  1154
    if (master->debug_level)
f0da52cf6b5b Print certain logs only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
  1155
        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
  1156
               sdo->index, entry->subindex, slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
476
fd7c0ee645f8 Fixed CoE Upload Request, now 10 bytes of Mailbox Service Data.
Florian Pose <fp@igh-essen.com>
parents: 461
diff changeset
  1158
    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
  1159
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
    EC_WRITE_U16(data, 0x2 << 12); // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
    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
  1165
    EC_WRITE_U16(data + 3, sdo->index);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
    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
  1167
    memset(data + 6, 0x00, 4);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
    if (master->debug_level) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
        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
  1171
        ec_print_data(data, 10);
436
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
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1174
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
    fsm->state = ec_fsm_coe_up_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
/*****************************************************************************/
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
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
   CoE state: UP REQUEST.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1182
   \todo Timeout behavior
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
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
  1186
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1190
    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
  1191
        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
  1192
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1193
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1194
        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
  1195
        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
  1196
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1197
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1198
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1199
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1200
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1201
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1202
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1203
        EC_ERR("Reception of CoE upload request failed - slave %i did not"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1204
               " respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
    fsm->cycles_start = datagram->cycles_sent;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
    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
  1211
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
    fsm->state = ec_fsm_coe_up_check;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
   CoE state: UP CHECK.
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
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
  1222
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1226
    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
  1227
        return;
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1228
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1229
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1230
        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
  1231
        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
  1232
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1233
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1234
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1235
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1236
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1237
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1238
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1239
        EC_ERR("Reception of CoE mailbox check datagram failed - slave %i did"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1240
               " not respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
    if (!ec_slave_mbox_check(datagram)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
        if (datagram->cycles_received
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
            - fsm->cycles_start >= (cycles_t) 100 * cpu_khz) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
            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
  1249
                   slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
        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
  1254
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
        return;
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
    // Fetch response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
    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
  1260
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
    fsm->state = ec_fsm_coe_up_response;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
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
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
   CoE state: UP RESPONSE.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1268
   \todo Timeout behavior
436
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
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
  1272
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
    ec_master_t *master = slave->master;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
    uint8_t *data, mbox_prot;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
    size_t rec_size, data_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
    ec_sdo_request_t *request = fsm->request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
    ec_sdo_t *sdo = request->sdo;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
    ec_sdo_entry_t *entry = request->entry;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
    uint32_t complete_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
    unsigned int expedited, size_specified;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1284
    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
  1285
        return; // FIXME: request again?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1286
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1287
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1288
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1289
        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
  1290
               " 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
  1291
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1292
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1293
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1294
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1295
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1296
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1297
        EC_ERR("Reception of CoE upload response failed - slave %i did not"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1298
               " respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
    if (!(data = ec_slave_mbox_fetch(slave, datagram,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
				     &mbox_prot, &rec_size))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
    if (master->debug_level) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
        EC_DBG("Upload response:\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
    if (mbox_prot != 0x03) { // CoE
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
        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
  1315
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
    if (rec_size < 10) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
        EC_ERR("Received currupted SDO upload response!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
    }
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
    if (EC_READ_U16(data) >> 12 == 0x2 && // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
        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
  1328
        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
  1329
               sdo->index, entry->subindex, slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
        ec_canopen_abort_msg(EC_READ_U32(data + 6));
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
    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
  1336
        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
  1337
        EC_READ_U16(data + 3) != sdo->index || // index
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
        EC_READ_U8 (data + 5) != entry->subindex) { // subindex
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
        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
  1340
        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
  1341
               slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
    data_size = rec_size - 10;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
    expedited = EC_READ_U8(data + 2) & 0x02;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
    if (expedited) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
        size_specified = EC_READ_U8(data + 2) & 0x01;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
        if (size_specified) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
            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
  1354
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
        else {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
            complete_size = 4;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
    else {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
        complete_size = EC_READ_U32(data + 6);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
    if (request->data) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
        kfree(request->data);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
        request->data = NULL;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
    request->size = 0;
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
    if (complete_size) {
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1370
        if (!(request->data = (uint8_t *)
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1371
              kmalloc(complete_size + 1, GFP_ATOMIC))) {
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1372
            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
  1373
                   complete_size);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
            return;
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
        request->data[complete_size] = 0x00; // just to be sure...
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
    if (expedited) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
        memcpy(request->data, data + 6, complete_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
        request->size = complete_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
    else {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
        memcpy(request->data, data + 10, data_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
        request->size = data_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
        fsm->toggle = 0;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
        if (data_size < complete_size) {
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1390
            EC_WARN("SDO data incomplete (%i / %i).\n",
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1391
                    data_size, complete_size);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1392
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1393
            if (!(data = ec_slave_mbox_prepare_send(slave, datagram,
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1394
                                                    0x03, 3))) {
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
                fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
                return;
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
            EC_WRITE_U16(data, 0x2 << 12); // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
            EC_WRITE_U8 (data + 2, (fsm->toggle << 4 // toggle
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
                                    | 0x3 << 5)); // upload segment request
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 (master->debug_level) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
                EC_DBG("Upload segment request:\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
                ec_print_data(data, 3);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
            }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1408
            fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
            fsm->state = ec_fsm_coe_up_seg_request;
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
    fsm->state = ec_fsm_coe_end; // success
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
}
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
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
   CoE state: UP REQUEST.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1421
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
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
  1425
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1429
    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
  1430
        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
  1431
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1432
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1433
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1434
        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
  1435
               " 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
  1436
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1437
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1438
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1439
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1440
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1441
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1442
        EC_ERR("Reception of CoE upload segment request failed - slave %i did"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1443
               " not respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
    fsm->cycles_start = datagram->cycles_sent;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
    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
  1450
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
    fsm->state = ec_fsm_coe_up_seg_check;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
   CoE state: UP CHECK.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
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
  1461
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1465
    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
  1466
        return;
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1467
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1468
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1469
        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
  1470
        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
  1471
                " (datagram state %i).\n",
07dd2a7df66e Added datagram state to "Failed to receive..." messages.
Florian Pose <fp@igh-essen.com>
parents: 505
diff changeset
  1472
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1473
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1474
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1475
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1476
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1477
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1478
        EC_ERR("Reception of CoE mailbox check datagram failed - slave %i did"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1479
               " not respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
    if (!ec_slave_mbox_check(datagram)) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
        if (datagram->cycles_received
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
            - fsm->cycles_start >= (cycles_t) 100 * cpu_khz) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
            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
  1488
                   slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
        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
  1493
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
    // Fetch response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
    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
  1499
    fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
    fsm->state = ec_fsm_coe_up_seg_response;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
   CoE state: UP RESPONSE.
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1507
   \todo Timeout behavior
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
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
  1511
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
    ec_datagram_t *datagram = fsm->datagram;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
    ec_slave_t *slave = fsm->slave;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
    ec_master_t *master = slave->master;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
    uint8_t *data, mbox_prot;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
    size_t rec_size, data_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
    ec_sdo_request_t *request = fsm->request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
    ec_sdo_t *sdo = request->sdo;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
    ec_sdo_entry_t *entry = request->entry;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
    uint32_t seg_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
    unsigned int last_segment;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 594
diff changeset
  1523
    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
  1524
        return; // FIXME: request again?
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1525
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1526
    if (datagram->state != EC_DATAGRAM_RECEIVED) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1527
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1528
        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
  1529
               " 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
  1530
               slave->ring_position, datagram->state);
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1531
        return;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1532
    }
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1533
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1534
    if (datagram->working_counter != 1) {
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1535
        fsm->state = ec_fsm_coe_error;
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1536
        EC_ERR("Reception of CoE upload segment response failed - slave %i"
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1537
               " did not respond.\n", slave->ring_position);
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
    if (!(data = ec_slave_mbox_fetch(slave, datagram,
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
				     &mbox_prot, &rec_size))) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
    if (master->debug_level) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
        EC_DBG("Upload segment response:\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
    if (mbox_prot != 0x03) { // CoE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 436
diff changeset
  1553
        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
  1554
        fsm->state = ec_fsm_coe_error;
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 (rec_size < 10) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
        EC_ERR("Received currupted SDO upload segment response!\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
	return;
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
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
    if (EC_READ_U16(data) >> 12 == 0x2 && // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
        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
  1567
        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
  1568
               sdo->index, entry->subindex, slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
        ec_canopen_abort_msg(EC_READ_U32(data + 6));
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
    }
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
    if (EC_READ_U16(data) >> 12 != 0x3 || // SDO response
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
        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
  1576
        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
  1577
        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
  1578
               slave->ring_position);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
        ec_print_data(data, rec_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
        fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
	return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
    last_segment = EC_READ_U8(data + 2) & 0x01;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
    seg_size = (EC_READ_U8(data + 2) & 0xE) >> 1;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
    data_size = rec_size - 10;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
    if (data_size != seg_size) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
        EC_WARN("SDO segment data invalid (%i / %i)"
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
                " - Fragmenting not implemented.\n",
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
                data_size, seg_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
    memcpy(request->data + request->size, data + 10, data_size);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
    request->size += data_size;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
    if (!last_segment) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
        fsm->toggle = !fsm->toggle;
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
        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
  1601
            fsm->state = ec_fsm_coe_error;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
            return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
        }
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
        EC_WRITE_U16(data, 0x2 << 12); // SDO request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
        EC_WRITE_U8 (data + 2, (fsm->toggle << 4 // toggle
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
                                | 0x3 << 5)); // upload segment request
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
        if (master->debug_level) {
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
            EC_DBG("Upload segment request:\n");
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
            ec_print_data(data, 3);
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
        }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
505
bc443ca0077f State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents: 501
diff changeset
  1614
        fsm->retries = EC_FSM_RETRIES;
436
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
        fsm->state = ec_fsm_coe_up_seg_request;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
        return;
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
    }
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
    fsm->state = ec_fsm_coe_end; // success
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
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
/**
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
   State: ERROR.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
*/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
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
  1629
{
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
}
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
/*****************************************************************************/
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
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
   State: END.
63214beb641d Layed out CoE state machine.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
*/
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
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
  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
/*****************************************************************************/