author | Florian Pose <fp@igh-essen.com> |
Thu, 21 Feb 2008 15:49:02 +0000 | |
changeset 809 | ec4ef8911824 |
parent 758 | 8fa6f825eb7d |
child 815 | 002fe9ec778f |
permissions | -rw-r--r-- |
433 | 1 |
/****************************************************************************** |
2 |
* |
|
3 |
* $Id$ |
|
4 |
* |
|
5 |
* Copyright (C) 2006 Florian Pose, Ingenieurgemeinschaft IgH |
|
6 |
* |
|
7 |
* This file is part of the IgH EtherCAT Master. |
|
8 |
* |
|
9 |
* The IgH EtherCAT Master is free software; you can redistribute it |
|
10 |
* and/or modify it under the terms of the GNU General Public License |
|
11 |
* as published by the Free Software Foundation; either version 2 of the |
|
12 |
* License, or (at your option) any later version. |
|
13 |
* |
|
14 |
* The IgH EtherCAT Master is distributed in the hope that it will be |
|
15 |
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
16 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
17 |
* GNU General Public License for more details. |
|
18 |
* |
|
19 |
* You should have received a copy of the GNU General Public License |
|
20 |
* along with the IgH EtherCAT Master; if not, write to the Free Software |
|
21 |
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
|
22 |
* |
|
23 |
* The right to use EtherCAT Technology is granted and comes free of |
|
24 |
* charge under condition of compatibility of product made by |
|
25 |
* Licensee. People intending to distribute/sell products based on the |
|
26 |
* code, have to sign an agreement to guarantee that products using |
|
27 |
* software based on IgH EtherCAT master stay compatible with the actual |
|
28 |
* EtherCAT specification (which are released themselves as an open |
|
29 |
* standard) as the (only) precondition to have the right to use EtherCAT |
|
30 |
* Technology, IP and trade marks. |
|
31 |
* |
|
32 |
*****************************************************************************/ |
|
33 |
||
34 |
/** |
|
35 |
\file |
|
36 |
EtherCAT slave information interface FSM structure. |
|
37 |
*/ |
|
38 |
||
39 |
/*****************************************************************************/ |
|
40 |
||
41 |
#ifndef __EC_FSM_SII__ |
|
42 |
#define __EC_FSM_SII__ |
|
43 |
||
44 |
#include "globals.h" |
|
45 |
#include "../include/ecrt.h" |
|
46 |
#include "datagram.h" |
|
47 |
#include "slave.h" |
|
48 |
||
49 |
/*****************************************************************************/ |
|
50 |
||
758
8fa6f825eb7d
Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents:
755
diff
changeset
|
51 |
/** |
8fa6f825eb7d
Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents:
755
diff
changeset
|
52 |
* SII access addressing mode. |
8fa6f825eb7d
Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents:
755
diff
changeset
|
53 |
*/ |
433 | 54 |
typedef enum |
55 |
{ |
|
56 |
EC_FSM_SII_POSITION, |
|
57 |
EC_FSM_SII_NODE |
|
58 |
} |
|
59 |
ec_fsm_sii_addressing_t; |
|
60 |
||
61 |
/*****************************************************************************/ |
|
62 |
||
63 |
typedef struct ec_fsm_sii ec_fsm_sii_t; /**< \see ec_fsm_sii */ |
|
64 |
||
65 |
/** |
|
66 |
Slave information interface FSM. |
|
67 |
*/ |
|
68 |
||
69 |
struct ec_fsm_sii |
|
70 |
{ |
|
71 |
ec_slave_t *slave; /**< slave the FSM runs on */ |
|
72 |
ec_datagram_t *datagram; /**< datagram used in the state machine */ |
|
505
bc443ca0077f
State machines re-send datagrams on timeout.
Florian Pose <fp@igh-essen.com>
parents:
435
diff
changeset
|
73 |
unsigned int retries; /**< retries upon datagram timeout */ |
433 | 74 |
|
75 |
void (*state)(ec_fsm_sii_t *); /**< SII state function */ |
|
755
178353fc47e5
SII writing workaround for some slaves, that don't respond correctly;
Florian Pose <fp@igh-essen.com>
parents:
754
diff
changeset
|
76 |
uint16_t word_offset; /**< input: word offset in SII */ |
433 | 77 |
ec_fsm_sii_addressing_t mode; /**< reading via APRD or NPRD */ |
78 |
uint8_t value[4]; /**< raw SII value (32bit) */ |
|
79 |
cycles_t cycles_start; /**< start timestamp */ |
|
80 |
uint8_t check_once_more; /**< one more try after timeout */ |
|
81 |
}; |
|
82 |
||
83 |
/*****************************************************************************/ |
|
84 |
||
85 |
void ec_fsm_sii_init(ec_fsm_sii_t *, ec_datagram_t *); |
|
86 |
void ec_fsm_sii_clear(ec_fsm_sii_t *); |
|
87 |
||
88 |
void ec_fsm_sii_read(ec_fsm_sii_t *, ec_slave_t *, |
|
89 |
uint16_t, ec_fsm_sii_addressing_t); |
|
600
b0660152f710
Made data pointer in ec_fsm_sii_write() const.
Florian Pose <fp@igh-essen.com>
parents:
505
diff
changeset
|
90 |
void ec_fsm_sii_write(ec_fsm_sii_t *, ec_slave_t *, uint16_t, |
754
0b47b49c5976
Changed unit of ec_eeprom_write_request_t from word to byte.
Florian Pose <fp@igh-essen.com>
parents:
600
diff
changeset
|
91 |
const uint8_t *, ec_fsm_sii_addressing_t); |
433 | 92 |
|
435
779a18d12e6c
Removed state machine running() methods.
Florian Pose <fp@igh-essen.com>
parents:
433
diff
changeset
|
93 |
int ec_fsm_sii_exec(ec_fsm_sii_t *); |
433 | 94 |
int ec_fsm_sii_success(ec_fsm_sii_t *); |
95 |
||
96 |
/*****************************************************************************/ |
|
97 |
||
98 |
#endif |