761 lines
23 KiB
C
761 lines
23 KiB
C
/******************************************************************************
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*
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* $Id$
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*
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* Copyright (C) 2006-2008 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 and/or
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* modify it under the terms of the GNU General Public License version 2, as
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* published by the Free Software Foundation.
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*
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* The IgH EtherCAT Master is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the IgH EtherCAT Master; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Using the EtherCAT technology and brand is permitted in compliance with
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* the industrial property and similar rights of Beckhoff Automation GmbH.
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*
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*****************************************************************************/
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/** \file
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* EtherCAT Pdo configuration state machine.
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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 "slave_config.h"
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#include "fsm_pdo.h"
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/*****************************************************************************/
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void ec_fsm_pdo_read_state_start(ec_fsm_pdo_t *);
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void ec_fsm_pdo_read_state_pdo_count(ec_fsm_pdo_t *);
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void ec_fsm_pdo_read_state_pdo(ec_fsm_pdo_t *);
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void ec_fsm_pdo_read_state_pdo_entries(ec_fsm_pdo_t *);
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void ec_fsm_pdo_read_action_next_sync(ec_fsm_pdo_t *);
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void ec_fsm_pdo_read_action_next_pdo(ec_fsm_pdo_t *);
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void ec_fsm_pdo_conf_state_start(ec_fsm_pdo_t *);
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void ec_fsm_pdo_conf_state_read_mapping(ec_fsm_pdo_t *);
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void ec_fsm_pdo_conf_state_mapping(ec_fsm_pdo_t *);
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void ec_fsm_pdo_conf_state_zero_pdo_count(ec_fsm_pdo_t *);
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void ec_fsm_pdo_conf_state_assign_pdo(ec_fsm_pdo_t *);
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void ec_fsm_pdo_conf_state_set_pdo_count(ec_fsm_pdo_t *);
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void ec_fsm_pdo_conf_action_next_sync(ec_fsm_pdo_t *);
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void ec_fsm_pdo_conf_action_pdo_mapping(ec_fsm_pdo_t *);
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void ec_fsm_pdo_conf_action_check_mapping(ec_fsm_pdo_t *);
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void ec_fsm_pdo_conf_action_next_pdo_mapping(ec_fsm_pdo_t *);
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void ec_fsm_pdo_conf_action_check_assignment(ec_fsm_pdo_t *);
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void ec_fsm_pdo_conf_action_assign_pdo(ec_fsm_pdo_t *);
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void ec_fsm_pdo_state_end(ec_fsm_pdo_t *);
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void ec_fsm_pdo_state_error(ec_fsm_pdo_t *);
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/*****************************************************************************/
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/** Constructor.
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*/
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void ec_fsm_pdo_init(
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ec_fsm_pdo_t *fsm, /**< Pdo configuration state machine. */
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ec_fsm_coe_t *fsm_coe /**< CoE state machine to use */
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)
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{
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fsm->fsm_coe = fsm_coe;
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ec_fsm_pdo_entry_init(&fsm->fsm_pdo_entry, fsm_coe);
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ec_pdo_list_init(&fsm->pdos);
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ec_sdo_request_init(&fsm->request);
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ec_pdo_init(&fsm->slave_pdo);
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}
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/*****************************************************************************/
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/** Destructor.
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*/
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void ec_fsm_pdo_clear(
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ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
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)
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{
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ec_fsm_pdo_entry_clear(&fsm->fsm_pdo_entry);
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ec_pdo_list_clear(&fsm->pdos);
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ec_sdo_request_clear(&fsm->request);
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ec_pdo_clear(&fsm->slave_pdo);
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}
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/*****************************************************************************/
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/** Start reading the Pdo configuration.
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*/
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void ec_fsm_pdo_start_reading(
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ec_fsm_pdo_t *fsm, /**< Pdo configuration state machine. */
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ec_slave_t *slave /**< slave to configure */
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)
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{
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fsm->slave = slave;
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fsm->state = ec_fsm_pdo_read_state_start;
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}
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/*****************************************************************************/
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/** Start writing the Pdo configuration.
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*/
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void ec_fsm_pdo_start_configuration(
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ec_fsm_pdo_t *fsm, /**< Pdo configuration state machine. */
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ec_slave_t *slave /**< slave to configure */
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)
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{
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fsm->slave = slave;
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fsm->state = ec_fsm_pdo_conf_state_start;
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}
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/*****************************************************************************/
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/** Get running state.
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*
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* \return false, if state machine has terminated
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*/
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int ec_fsm_pdo_running(
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const ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
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)
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{
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return fsm->state != ec_fsm_pdo_state_end
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&& fsm->state != ec_fsm_pdo_state_error;
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}
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/*****************************************************************************/
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/** Executes the current state of the state machine.
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*
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* If the state machine's datagram is not sent or received yet, the execution
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* of the state machine is delayed to the next cycle.
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*
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* \return false, if state machine has terminated
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*/
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int ec_fsm_pdo_exec(
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ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
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)
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{
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fsm->state(fsm);
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return ec_fsm_pdo_running(fsm);
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}
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/*****************************************************************************/
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/** Get execution result.
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*
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* \return true, if the state machine terminated gracefully
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*/
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int ec_fsm_pdo_success(
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const ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
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)
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{
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return fsm->state == ec_fsm_pdo_state_end;
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}
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/******************************************************************************
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* Reading state funtions.
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*****************************************************************************/
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/** Start reading Pdo assignment.
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*/
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void ec_fsm_pdo_read_state_start(
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ec_fsm_pdo_t *fsm /**< finite state machine */
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)
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{
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// read Pdo assignment for first sync manager not reserved for mailbox
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fsm->sync_index = 1; // next is 2
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ec_fsm_pdo_read_action_next_sync(fsm);
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}
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/*****************************************************************************/
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/** Read Pdo assignment of next sync manager.
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*/
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void ec_fsm_pdo_read_action_next_sync(
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ec_fsm_pdo_t *fsm /**< Finite state machine */
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)
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{
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ec_slave_t *slave = fsm->slave;
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fsm->sync_index++;
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for (; fsm->sync_index < EC_MAX_SYNC_MANAGERS; fsm->sync_index++) {
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if (!(fsm->sync = ec_slave_get_sync(slave, fsm->sync_index)))
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continue;
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if (slave->master->debug_level)
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EC_DBG("Reading Pdo assignment of SM%u.\n", fsm->sync_index);
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ec_pdo_list_clear_pdos(&fsm->pdos);
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ec_sdo_request_address(&fsm->request, 0x1C10 + fsm->sync_index, 0);
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ecrt_sdo_request_read(&fsm->request);
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fsm->state = ec_fsm_pdo_read_state_pdo_count;
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ec_fsm_coe_transfer(fsm->fsm_coe, fsm->slave, &fsm->request);
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ec_fsm_coe_exec(fsm->fsm_coe); // execute immediately
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return;
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}
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if (slave->master->debug_level)
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EC_DBG("Reading of Pdo configuration finished.\n");
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fsm->state = ec_fsm_pdo_state_end;
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}
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/*****************************************************************************/
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/** Count assigned Pdos.
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*/
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void ec_fsm_pdo_read_state_pdo_count(
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ec_fsm_pdo_t *fsm /**< finite state machine */
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)
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{
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if (ec_fsm_coe_exec(fsm->fsm_coe)) return;
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if (!ec_fsm_coe_success(fsm->fsm_coe)) {
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EC_ERR("Failed to read number of assigned Pdos for SM%u.\n",
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fsm->sync_index);
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fsm->state = ec_fsm_pdo_state_error;
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return;
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}
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if (fsm->request.data_size != sizeof(uint8_t)) {
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EC_ERR("Invalid data size %u returned when uploading Sdo 0x%04X:%02X "
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"from slave %u.\n", fsm->request.data_size,
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fsm->request.index, fsm->request.subindex,
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fsm->slave->ring_position);
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fsm->state = ec_fsm_pdo_state_error;
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return;
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}
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fsm->pdo_count = EC_READ_U8(fsm->request.data);
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if (fsm->slave->master->debug_level)
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EC_DBG("%u Pdos assigned.\n", fsm->pdo_count);
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// read first Pdo
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fsm->pdo_pos = 1;
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ec_fsm_pdo_read_action_next_pdo(fsm);
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}
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/*****************************************************************************/
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/** Read next Pdo.
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*/
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void ec_fsm_pdo_read_action_next_pdo(
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ec_fsm_pdo_t *fsm /**< finite state machine */
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)
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{
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if (fsm->pdo_pos <= fsm->pdo_count) {
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ec_sdo_request_address(&fsm->request, 0x1C10 + fsm->sync_index,
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fsm->pdo_pos);
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ecrt_sdo_request_read(&fsm->request);
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fsm->state = ec_fsm_pdo_read_state_pdo;
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ec_fsm_coe_transfer(fsm->fsm_coe, fsm->slave, &fsm->request);
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ec_fsm_coe_exec(fsm->fsm_coe); // execute immediately
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return;
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}
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// finished reading Pdo configuration
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if (ec_pdo_list_copy(&fsm->sync->pdos, &fsm->pdos)) {
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fsm->state = ec_fsm_pdo_state_error;
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return;
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}
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ec_pdo_list_clear_pdos(&fsm->pdos);
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// next sync manager
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ec_fsm_pdo_read_action_next_sync(fsm);
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}
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/*****************************************************************************/
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/** Fetch Pdo information.
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*/
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void ec_fsm_pdo_read_state_pdo(
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ec_fsm_pdo_t *fsm /**< finite state machine */
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)
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{
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if (ec_fsm_coe_exec(fsm->fsm_coe)) return;
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if (!ec_fsm_coe_success(fsm->fsm_coe)) {
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EC_ERR("Failed to read index of assigned Pdo %u from SM%u.\n",
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fsm->pdo_pos, fsm->sync_index);
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fsm->state = ec_fsm_pdo_state_error;
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return;
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}
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if (fsm->request.data_size != sizeof(uint16_t)) {
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EC_ERR("Invalid data size %u returned when uploading Sdo 0x%04X:%02X "
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"from slave %u.\n", fsm->request.data_size,
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fsm->request.index, fsm->request.subindex,
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fsm->slave->ring_position);
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fsm->state = ec_fsm_pdo_state_error;
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return;
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}
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if (!(fsm->pdo = (ec_pdo_t *)
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kmalloc(sizeof(ec_pdo_t), GFP_KERNEL))) {
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EC_ERR("Failed to allocate Pdo.\n");
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fsm->state = ec_fsm_pdo_state_error;
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return;
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}
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ec_pdo_init(fsm->pdo);
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fsm->pdo->index = EC_READ_U16(fsm->request.data);
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fsm->pdo->sync_index = fsm->sync_index;
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if (fsm->slave->master->debug_level)
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EC_DBG("Pdo 0x%04X.\n", fsm->pdo->index);
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list_add_tail(&fsm->pdo->list, &fsm->pdos.list);
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fsm->state = ec_fsm_pdo_read_state_pdo_entries;
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ec_fsm_pdo_entry_start_reading(&fsm->fsm_pdo_entry, fsm->slave, fsm->pdo);
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fsm->state(fsm); // execute immediately
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}
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/*****************************************************************************/
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/** Fetch Pdo information.
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*/
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void ec_fsm_pdo_read_state_pdo_entries(
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ec_fsm_pdo_t *fsm /**< finite state machine */
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)
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{
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if (ec_fsm_pdo_entry_exec(&fsm->fsm_pdo_entry))
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return;
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if (!ec_fsm_pdo_entry_success(&fsm->fsm_pdo_entry)) {
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EC_ERR("Failed to read mapped Pdo entries for Pdo 0x%04X.\n",
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fsm->pdo->index);
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fsm->state = ec_fsm_pdo_state_error;
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return;
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}
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// next Pdo
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fsm->pdo_pos++;
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ec_fsm_pdo_read_action_next_pdo(fsm);
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}
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/******************************************************************************
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* Writing state functions.
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*****************************************************************************/
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/** Start Pdo configuration.
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*/
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void ec_fsm_pdo_conf_state_start(
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ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
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)
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{
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if (!fsm->slave->config) {
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fsm->state = ec_fsm_pdo_state_end;
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return;
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}
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fsm->sync_index = 0xff; // next is zero
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ec_fsm_pdo_conf_action_next_sync(fsm);
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}
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/*****************************************************************************/
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/** Assign next Pdo.
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*/
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ec_pdo_t *ec_fsm_pdo_conf_action_next_pdo(
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const ec_fsm_pdo_t *fsm, /**< Pdo configuration state machine. */
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const struct list_head *list /**< current Pdo list item */
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)
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{
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list = list->next;
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if (list == &fsm->pdos.list)
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return NULL; // no next Pdo
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return list_entry(list, ec_pdo_t, list);
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}
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/*****************************************************************************/
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/** Get the next sync manager for a pdo configuration.
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*/
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void ec_fsm_pdo_conf_action_next_sync(
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ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
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)
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{
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fsm->sync_index++;
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for (; fsm->sync_index < EC_MAX_SYNC_MANAGERS; fsm->sync_index++) {
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if (!fsm->slave->config) { // slave configuration removed in the meantime
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fsm->state = ec_fsm_pdo_state_error;
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return;
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}
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if (ec_pdo_list_copy(&fsm->pdos,
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&fsm->slave->config->sync_configs[fsm->sync_index].pdos)) {
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fsm->state = ec_fsm_pdo_state_error;
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return;
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}
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if (!(fsm->sync = ec_slave_get_sync(fsm->slave, fsm->sync_index))) {
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if (!list_empty(&fsm->pdos.list))
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EC_WARN("Pdos configured for SM%u, but slave %u does not "
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"provide the sync manager information!\n",
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fsm->sync_index, fsm->slave->ring_position);
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continue;
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}
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// get first configured Pdo
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if (!(fsm->pdo = ec_fsm_pdo_conf_action_next_pdo(fsm, &fsm->pdos.list))) {
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// no pdos configured
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ec_fsm_pdo_conf_action_check_assignment(fsm);
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return;
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}
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ec_fsm_pdo_conf_action_pdo_mapping(fsm);
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return;
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}
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fsm->state = ec_fsm_pdo_state_end;
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}
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/*****************************************************************************/
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/** Check if the mapping has to be read, otherwise start to configure it.
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*/
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void ec_fsm_pdo_conf_action_pdo_mapping(
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ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
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)
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{
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const ec_pdo_t *assigned_pdo;
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fsm->slave_pdo.index = fsm->pdo->index;
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if ((assigned_pdo = ec_slave_find_pdo(fsm->slave, fsm->pdo->index))) {
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ec_pdo_copy_entries(&fsm->slave_pdo, assigned_pdo);
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} else { // configured Pdo is not assigned and thus unknown
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ec_pdo_clear_entries(&fsm->slave_pdo);
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}
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if (list_empty(&fsm->slave_pdo.entries)) {
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if (fsm->slave->master->debug_level)
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EC_DBG("Reading mapping of Pdo 0x%04X.\n",
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fsm->pdo->index);
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// pdo mapping is unknown; start loading it
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ec_fsm_pdo_entry_start_reading(&fsm->fsm_pdo_entry, fsm->slave,
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&fsm->slave_pdo);
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fsm->state = ec_fsm_pdo_conf_state_read_mapping;
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fsm->state(fsm); // execute immediately
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return;
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}
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// pdo mapping is known, check if it most be re-configured
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ec_fsm_pdo_conf_action_check_mapping(fsm);
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}
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/*****************************************************************************/
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/** Execute the Pdo entry state machine to read the current Pdo's mapping.
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*/
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void ec_fsm_pdo_conf_state_read_mapping(
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ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
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)
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{
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if (ec_fsm_pdo_entry_exec(&fsm->fsm_pdo_entry))
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return;
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if (!ec_fsm_pdo_entry_success(&fsm->fsm_pdo_entry))
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EC_WARN("Failed to read mapped Pdo entries for Pdo 0x%04X.\n",
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fsm->pdo->index);
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// check if the mapping must be re-configured
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ec_fsm_pdo_conf_action_check_mapping(fsm);
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}
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/*****************************************************************************/
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/** Check if the mapping has to be re-configured.
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*
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* \todo Display mapping differences.
|
|
*/
|
|
void ec_fsm_pdo_conf_action_check_mapping(
|
|
ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
|
|
)
|
|
{
|
|
if (ec_pdo_equal_entries(fsm->pdo, &fsm->slave_pdo)) {
|
|
if (fsm->slave->master->debug_level)
|
|
EC_DBG("Mapping of Pdo 0x%04X is already configured correctly.\n",
|
|
fsm->pdo->index);
|
|
ec_fsm_pdo_conf_action_next_pdo_mapping(fsm);
|
|
return;
|
|
}
|
|
|
|
if (fsm->slave->master->debug_level) {
|
|
// TODO display diff
|
|
EC_DBG("Changing mapping of Pdo 0x%04X.\n", fsm->pdo->index);
|
|
}
|
|
|
|
ec_fsm_pdo_entry_start_configuration(&fsm->fsm_pdo_entry, fsm->slave,
|
|
fsm->pdo);
|
|
fsm->state = ec_fsm_pdo_conf_state_mapping;
|
|
fsm->state(fsm); // execure immediately
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
/** Let the Pdo entry state machine configure the current Pdo's mapping.
|
|
*/
|
|
void ec_fsm_pdo_conf_state_mapping(
|
|
ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
|
|
)
|
|
{
|
|
if (ec_fsm_pdo_entry_exec(&fsm->fsm_pdo_entry))
|
|
return;
|
|
|
|
if (!ec_fsm_pdo_entry_success(&fsm->fsm_pdo_entry))
|
|
EC_WARN("Failed to configure mapping of Pdo 0x%04X.\n",
|
|
fsm->pdo->index);
|
|
|
|
ec_fsm_pdo_conf_action_next_pdo_mapping(fsm);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
/** Check mapping of next Pdo, otherwise configure assignment.
|
|
*/
|
|
void ec_fsm_pdo_conf_action_next_pdo_mapping(
|
|
ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
|
|
)
|
|
{
|
|
// get next configured Pdo
|
|
if (!(fsm->pdo = ec_fsm_pdo_conf_action_next_pdo(fsm, &fsm->pdo->list))) {
|
|
// no more configured pdos
|
|
ec_fsm_pdo_conf_action_check_assignment(fsm);
|
|
return;
|
|
}
|
|
|
|
ec_fsm_pdo_conf_action_pdo_mapping(fsm);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
/** Check if the Pdo assignment of the current SM has to be re-configured.
|
|
*/
|
|
void ec_fsm_pdo_conf_action_check_assignment(
|
|
ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
|
|
)
|
|
{
|
|
// check if assignment has to be re-configured
|
|
if (ec_pdo_list_equal(&fsm->sync->pdos, &fsm->pdos)) {
|
|
|
|
if (fsm->slave->master->debug_level)
|
|
EC_DBG("Pdo assignment for SM%u is already configured "
|
|
"correctly.\n", fsm->sync_index);
|
|
|
|
ec_fsm_pdo_conf_action_next_sync(fsm);
|
|
return;
|
|
}
|
|
|
|
if (fsm->slave->master->debug_level) {
|
|
EC_DBG("Pdo assignment of SM%u differs:\n", fsm->sync_index);
|
|
EC_DBG("Currently assigned Pdos: ");
|
|
ec_pdo_list_print(&fsm->sync->pdos);
|
|
printk("\n");
|
|
EC_DBG("Pdos to assign: ");
|
|
ec_pdo_list_print(&fsm->pdos);
|
|
printk("\n");
|
|
}
|
|
|
|
// Pdo assignment has to be changed. Does the slave support this?
|
|
if (!(fsm->slave->sii.mailbox_protocols & EC_MBOX_COE)
|
|
|| (fsm->slave->sii.has_general
|
|
&& !fsm->slave->sii.coe_details.enable_pdo_assign)) {
|
|
EC_WARN("Slave %u does not support assigning Pdos!\n",
|
|
fsm->slave->ring_position);
|
|
ec_fsm_pdo_conf_action_next_sync(fsm);
|
|
return;
|
|
}
|
|
|
|
if (ec_sdo_request_alloc(&fsm->request, 2)) {
|
|
fsm->state = ec_fsm_pdo_state_error;
|
|
return;
|
|
}
|
|
|
|
// set mapped Pdo count to zero
|
|
EC_WRITE_U8(fsm->request.data, 0); // zero Pdos mapped
|
|
fsm->request.data_size = 1;
|
|
ec_sdo_request_address(&fsm->request, 0x1C10 + fsm->sync_index, 0);
|
|
ecrt_sdo_request_write(&fsm->request);
|
|
|
|
if (fsm->slave->master->debug_level)
|
|
EC_DBG("Setting number of assigned Pdos to zero.\n");
|
|
|
|
fsm->state = ec_fsm_pdo_conf_state_zero_pdo_count;
|
|
ec_fsm_coe_transfer(fsm->fsm_coe, fsm->slave, &fsm->request);
|
|
ec_fsm_coe_exec(fsm->fsm_coe); // execute immediately
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
/** Set the number of assigned Pdos to zero.
|
|
*/
|
|
void ec_fsm_pdo_conf_state_zero_pdo_count(
|
|
ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
|
|
)
|
|
{
|
|
if (ec_fsm_coe_exec(fsm->fsm_coe))
|
|
return;
|
|
|
|
if (!ec_fsm_coe_success(fsm->fsm_coe)) {
|
|
EC_WARN("Failed to clear Pdo assignment of SM%u.\n", fsm->sync_index);
|
|
fsm->state = ec_fsm_pdo_state_error;
|
|
return;
|
|
}
|
|
|
|
// the sync manager's assigned Pdos have been cleared
|
|
ec_pdo_list_clear_pdos(&fsm->sync->pdos);
|
|
|
|
// assign all Pdos belonging to the current sync manager
|
|
|
|
// find first Pdo
|
|
if (!(fsm->pdo = ec_fsm_pdo_conf_action_next_pdo(fsm, &fsm->pdos.list))) {
|
|
|
|
if (fsm->slave->master->debug_level)
|
|
EC_DBG("No Pdos to assign.\n");
|
|
|
|
// check for mapping to be altered
|
|
ec_fsm_pdo_conf_action_next_sync(fsm);
|
|
return;
|
|
}
|
|
|
|
// assign first Pdo
|
|
fsm->pdo_pos = 1;
|
|
ec_fsm_pdo_conf_action_assign_pdo(fsm);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
/** Assign a Pdo.
|
|
*/
|
|
void ec_fsm_pdo_conf_action_assign_pdo(
|
|
ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
|
|
)
|
|
{
|
|
EC_WRITE_U16(fsm->request.data, fsm->pdo->index);
|
|
fsm->request.data_size = 2;
|
|
ec_sdo_request_address(&fsm->request,
|
|
0x1C10 + fsm->sync_index, fsm->pdo_pos);
|
|
ecrt_sdo_request_write(&fsm->request);
|
|
|
|
if (fsm->slave->master->debug_level)
|
|
EC_DBG("Assigning Pdo 0x%04X at position %u.\n",
|
|
fsm->pdo->index, fsm->pdo_pos);
|
|
|
|
fsm->state = ec_fsm_pdo_conf_state_assign_pdo;
|
|
ec_fsm_coe_transfer(fsm->fsm_coe, fsm->slave, &fsm->request);
|
|
ec_fsm_coe_exec(fsm->fsm_coe); // execute immediately
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
/** Add a Pdo to the sync managers Pdo assignment.
|
|
*/
|
|
void ec_fsm_pdo_conf_state_assign_pdo(
|
|
ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
|
|
)
|
|
{
|
|
if (ec_fsm_coe_exec(fsm->fsm_coe)) return;
|
|
|
|
if (!ec_fsm_coe_success(fsm->fsm_coe)) {
|
|
EC_WARN("Failed to assign Pdo 0x%04X at position %u of SM%u.\n",
|
|
fsm->pdo->index, fsm->pdo_pos, fsm->sync_index);
|
|
fsm->state = ec_fsm_pdo_state_error;
|
|
return;
|
|
}
|
|
|
|
// find next Pdo
|
|
if (!(fsm->pdo = ec_fsm_pdo_conf_action_next_pdo(fsm, &fsm->pdo->list))) {
|
|
|
|
// no more Pdos to assign, set Pdo count
|
|
EC_WRITE_U8(fsm->request.data, fsm->pdo_pos);
|
|
fsm->request.data_size = 1;
|
|
ec_sdo_request_address(&fsm->request, 0x1C10 + fsm->sync_index, 0);
|
|
ecrt_sdo_request_write(&fsm->request);
|
|
|
|
if (fsm->slave->master->debug_level)
|
|
EC_DBG("Setting number of assigned Pdos to %u.\n", fsm->pdo_pos);
|
|
|
|
fsm->state = ec_fsm_pdo_conf_state_set_pdo_count;
|
|
ec_fsm_coe_transfer(fsm->fsm_coe, fsm->slave, &fsm->request);
|
|
ec_fsm_coe_exec(fsm->fsm_coe); // execute immediately
|
|
return;
|
|
}
|
|
|
|
// add next Pdo to assignment
|
|
fsm->pdo_pos++;
|
|
ec_fsm_pdo_conf_action_assign_pdo(fsm);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
/** Set the number of assigned Pdos.
|
|
*/
|
|
void ec_fsm_pdo_conf_state_set_pdo_count(
|
|
ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
|
|
)
|
|
{
|
|
if (ec_fsm_coe_exec(fsm->fsm_coe)) return;
|
|
|
|
if (!ec_fsm_coe_success(fsm->fsm_coe)) {
|
|
EC_WARN("Failed to set number of assigned Pdos of SM%u.\n",
|
|
fsm->sync_index);
|
|
fsm->state = ec_fsm_pdo_state_error;
|
|
return;
|
|
}
|
|
|
|
// Pdos have been configured
|
|
ec_pdo_list_copy(&fsm->sync->pdos, &fsm->pdos);
|
|
|
|
if (fsm->slave->master->debug_level)
|
|
EC_DBG("Successfully configured Pdo assignment of SM%u.\n",
|
|
fsm->sync_index);
|
|
|
|
// check if Pdo mapping has to be altered
|
|
ec_fsm_pdo_conf_action_next_sync(fsm);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Common state functions
|
|
*****************************************************************************/
|
|
|
|
/** State: ERROR.
|
|
*/
|
|
void ec_fsm_pdo_state_error(
|
|
ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
|
|
)
|
|
{
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
/** State: END.
|
|
*/
|
|
void ec_fsm_pdo_state_end(
|
|
ec_fsm_pdo_t *fsm /**< Pdo configuration state machine. */
|
|
)
|
|
{
|
|
}
|
|
|
|
/*****************************************************************************/
|