IgH EtherCAT Master  1.6.2
fsm_soe.h
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1 /*****************************************************************************
2  *
3  * Copyright (C) 2006-2008 Florian Pose, Ingenieurgemeinschaft IgH
4  *
5  * This file is part of the IgH EtherCAT Master.
6  *
7  * The IgH EtherCAT Master is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License version 2, as
9  * published by the Free Software Foundation.
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11  * The IgH EtherCAT Master is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
14  * Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with the IgH EtherCAT Master; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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20  ****************************************************************************/
21 
27 /****************************************************************************/
28 
29 #ifndef __EC_FSM_SOE_H__
30 #define __EC_FSM_SOE_H__
31 
32 #include "globals.h"
33 #include "datagram.h"
34 #include "slave.h"
35 #include "soe_request.h"
36 
37 /****************************************************************************/
38 
39 typedef struct ec_fsm_soe ec_fsm_soe_t;
43 struct ec_fsm_soe {
45  unsigned int retries;
49  unsigned long jiffies_start;
51  off_t offset;
52  size_t fragment_size;
53 };
54 
55 /****************************************************************************/
56 
59 
61 
63 int ec_fsm_soe_success(const ec_fsm_soe_t *);
64 
65 /****************************************************************************/
66 
67 #endif
Finite state machines for the Sercos over EtherCAT protocol.
Definition: fsm_soe.h:43
size_t fragment_size
Size of the current fragment.
Definition: fsm_soe.h:52
ec_soe_request_t * request
SoE request.
Definition: fsm_soe.h:50
EtherCAT slave structure.
EtherCAT datagram.
Definition: datagram.h:79
void ec_fsm_soe_init(ec_fsm_soe_t *)
Constructor.
Definition: fsm_soe.c:107
Global definitions and macros.
void ec_fsm_soe_clear(ec_fsm_soe_t *)
Destructor.
Definition: fsm_soe.c:120
EtherCAT slave.
Definition: slave.h:168
void ec_fsm_soe_transfer(ec_fsm_soe_t *, ec_slave_t *, ec_soe_request_t *)
Starts to transfer an IDN to/from a slave.
Definition: fsm_soe.c:130
void(* state)(ec_fsm_soe_t *, ec_datagram_t *)
CoE state function.
Definition: fsm_soe.h:47
off_t offset
IDN data offset during fragmented write.
Definition: fsm_soe.h:51
EtherCAT datagram structure.
int ec_fsm_soe_success(const ec_fsm_soe_t *)
Returns, if the state machine terminated with success.
Definition: fsm_soe.c:187
unsigned int retries
retries upon datagram timeout
Definition: fsm_soe.h:45
ec_datagram_t * datagram
Datagram used in the previous step.
Definition: fsm_soe.h:48
unsigned long jiffies_start
Timestamp.
Definition: fsm_soe.h:49
EtherCAT SoE request structure.
ec_slave_t * slave
slave the FSM runs on
Definition: fsm_soe.h:44
int ec_fsm_soe_exec(ec_fsm_soe_t *, ec_datagram_t *)
Executes the current state of the state machine.
Definition: fsm_soe.c:152
Sercos-over-EtherCAT request.
Definition: soe_request.h:40