IgH EtherCAT Master  1.6.2
fsm_coe.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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21 
27 /****************************************************************************/
28 
29 #ifndef __EC_FSM_COE_H__
30 #define __EC_FSM_COE_H__
31 
32 #include "globals.h"
33 #include "datagram.h"
34 #include "slave.h"
35 #include "sdo.h"
36 #include "sdo_request.h"
37 
38 /****************************************************************************/
39 
40 typedef struct ec_fsm_coe ec_fsm_coe_t;
44 struct ec_fsm_coe {
46  unsigned int retries;
50  unsigned long jiffies_start;
52  uint8_t subindex;
54  uint32_t complete_size;
55  uint8_t toggle;
56  uint32_t offset;
57  uint32_t remaining;
58  size_t segment_size;
59 };
60 
61 /****************************************************************************/
62 
65 
68 
70 int ec_fsm_coe_success(const ec_fsm_coe_t *);
71 
72 /****************************************************************************/
73 
74 #endif
uint32_t offset
Data offset during segmented download.
Definition: fsm_coe.h:56
size_t segment_size
Current segment size.
Definition: fsm_coe.h:58
CANopen SDO request.
Definition: sdo_request.h:40
EtherCAT slave structure.
EtherCAT datagram.
Definition: datagram.h:79
void ec_fsm_coe_clear(ec_fsm_coe_t *)
Destructor.
Definition: fsm_coe.c:187
void(* state)(ec_fsm_coe_t *, ec_datagram_t *)
CoE state function.
Definition: fsm_coe.h:48
CANopen SDO.
Definition: sdo.h:41
void ec_fsm_coe_transfer(ec_fsm_coe_t *, ec_slave_t *, ec_sdo_request_t *)
Starts to transfer an SDO to/from a slave.
Definition: fsm_coe.c:210
Global definitions and macros.
ec_sdo_t * sdo
current SDO
Definition: fsm_coe.h:51
EtherCAT slave.
Definition: slave.h:168
EtherCAT CANopen SDO request structure.
ec_sdo_request_t * request
SDO request.
Definition: fsm_coe.h:53
uint8_t subindex
current subindex
Definition: fsm_coe.h:52
ec_datagram_t * datagram
Datagram used in last step.
Definition: fsm_coe.h:49
uint32_t remaining
Remaining bytes during segmented download.
Definition: fsm_coe.h:57
uint32_t complete_size
Used when segmenting.
Definition: fsm_coe.h:54
unsigned long jiffies_start
CoE timestamp.
Definition: fsm_coe.h:50
void ec_fsm_coe_dictionary(ec_fsm_coe_t *, ec_slave_t *)
Starts reading a slaves' SDO dictionary.
Definition: fsm_coe.c:197
EtherCAT datagram structure.
int ec_fsm_coe_exec(ec_fsm_coe_t *, ec_datagram_t *)
Executes the current state of the state machine.
Definition: fsm_coe.c:233
int ec_fsm_coe_success(const ec_fsm_coe_t *)
Returns, if the state machine terminated with success.
Definition: fsm_coe.c:267
void ec_fsm_coe_init(ec_fsm_coe_t *)
Constructor.
Definition: fsm_coe.c:175
uint8_t toggle
toggle bit for segment commands
Definition: fsm_coe.h:55
unsigned int retries
retries upon datagram timeout
Definition: fsm_coe.h:46
EtherCAT CANopen SDO structure.
ec_slave_t * slave
slave the FSM runs on
Definition: fsm_coe.h:45
Finite state machines for the CANopen over EtherCAT protocol.
Definition: fsm_coe.h:44