Files
ethercat/master/fsm_slave.h
2024-02-01 15:30:05 +01:00

88 lines
2.9 KiB
C

/*****************************************************************************
*
* Copyright (C) 2006-2012 Florian Pose, Ingenieurgemeinschaft IgH
*
* This file is part of the IgH EtherCAT Master.
*
* The IgH EtherCAT Master is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2, as
* published by the Free Software Foundation.
*
* The IgH EtherCAT Master is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with the IgH EtherCAT Master; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
****************************************************************************/
/**
\file
EtherCAT slave request state machine.
*/
/****************************************************************************/
#ifndef __EC_FSM_SLAVE_H__
#define __EC_FSM_SLAVE_H__
#include "globals.h"
#include "datagram.h"
#include "sdo_request.h"
#include "reg_request.h"
#ifdef EC_EOE
#include "eoe_request.h"
#endif
#include "fsm_coe.h"
#include "fsm_foe.h"
#include "fsm_soe.h"
#ifdef EC_EOE
#include "fsm_eoe.h"
#endif
/****************************************************************************/
typedef struct ec_fsm_slave ec_fsm_slave_t; /**< \see ec_fsm_slave */
/** Finite state machine of an EtherCAT slave.
*/
struct ec_fsm_slave {
ec_slave_t *slave; /**< slave the FSM runs on */
struct list_head list; /**< Used for execution list. */
void (*state)(ec_fsm_slave_t *, ec_datagram_t *); /**< State function. */
ec_datagram_t *datagram; /**< Previous state datagram. */
ec_sdo_request_t *sdo_request; /**< SDO request to process. */
ec_reg_request_t *reg_request; /**< Register request to process. */
ec_foe_request_t *foe_request; /**< FoE request to process. */
off_t foe_index; /**< Index to FoE write request data. */
ec_soe_request_t *soe_request; /**< SoE request to process. */
#ifdef EC_EOE
ec_eoe_request_t *eoe_request; /**< SoE request to process. */
#endif
ec_fsm_coe_t fsm_coe; /**< CoE state machine. */
ec_fsm_foe_t fsm_foe; /**< FoE state machine. */
ec_fsm_soe_t fsm_soe; /**< SoE state machine. */
#ifdef EC_EOE
ec_fsm_eoe_t fsm_eoe; /**< EoE state machine. */
#endif
};
/****************************************************************************/
void ec_fsm_slave_init(ec_fsm_slave_t *, ec_slave_t *);
void ec_fsm_slave_clear(ec_fsm_slave_t *);
int ec_fsm_slave_exec(ec_fsm_slave_t *, ec_datagram_t *);
void ec_fsm_slave_set_ready(ec_fsm_slave_t *);
int ec_fsm_slave_is_ready(const ec_fsm_slave_t *);
/****************************************************************************/
#endif // __EC_FSM_SLAVE_H__