diff -r ef09f0ea0c4c -r 1875b9fea0ba master/fsm_soe.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/master/fsm_soe.h Mon Mar 01 18:33:42 2010 +0100 @@ -0,0 +1,73 @@ +/****************************************************************************** + * + * $Id$ + * + * Copyright (C) 2006-2008 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 + * + * --- + * + * The license mentioned above concerns the source code only. Using the + * EtherCAT technology and brand is only permitted in compliance with the + * industrial property and similar rights of Beckhoff Automation GmbH. + * + *****************************************************************************/ + +/** + \file + EtherCAT CoE state machines. +*/ + +/*****************************************************************************/ + +#ifndef __EC_FSM_SOE_H__ +#define __EC_FSM_SOE_H__ + +#include "globals.h" +#include "datagram.h" +#include "slave.h" +#include "soe_request.h" + +/*****************************************************************************/ + +typedef struct ec_fsm_soe ec_fsm_soe_t; /**< \see ec_fsm_soe */ + +/** Finite state machines for the Sercos over EtherCAT protocol. + */ +struct ec_fsm_soe { + ec_slave_t *slave; /**< slave the FSM runs on */ + ec_datagram_t *datagram; /**< datagram used in the state machine */ + unsigned int retries; /**< retries upon datagram timeout */ + + void (*state)(ec_fsm_soe_t *); /**< CoE state function */ + unsigned long jiffies_start; /**< CoE timestamp. */ + ec_soe_request_t *request; /**< SoE request */ +}; + +/*****************************************************************************/ + +void ec_fsm_soe_init(ec_fsm_soe_t *, ec_datagram_t *); +void ec_fsm_soe_clear(ec_fsm_soe_t *); + +void ec_fsm_soe_transfer(ec_fsm_soe_t *, ec_slave_t *, ec_soe_request_t *); + +int ec_fsm_soe_exec(ec_fsm_soe_t *); +int ec_fsm_soe_success(ec_fsm_soe_t *); + +/*****************************************************************************/ + +#endif