| author | Florian Pose <fp@igh-essen.com> |
| Fri, 17 Oct 2008 13:30:55 +0000 | |
| changeset 1277 | 1189e040fe12 |
| parent 1209 | 8be462afb7f4 |
| child 1326 | ef907b0b5125 |
| permissions | -rw-r--r-- |
| 433 | 1 |
/****************************************************************************** |
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* |
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* $Id$ |
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* |
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* Copyright (C) 2006 Florian Pose, Ingenieurgemeinschaft IgH |
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* |
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* This file is part of the IgH EtherCAT Master. |
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* |
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* The IgH EtherCAT Master is free software; you can redistribute it |
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* and/or modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 of the |
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* License, or (at your option) any later version. |
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* |
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* The IgH EtherCAT Master is distributed in the hope that it will be |
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with the IgH EtherCAT Master; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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* |
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* The right to use EtherCAT Technology is granted and comes free of |
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* charge under condition of compatibility of product made by |
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* Licensee. People intending to distribute/sell products based on the |
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* code, have to sign an agreement to guarantee that products using |
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* software based on IgH EtherCAT master stay compatible with the actual |
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* EtherCAT specification (which are released themselves as an open |
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* standard) as the (only) precondition to have the right to use EtherCAT |
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* Technology, IP and trade marks. |
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* |
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*****************************************************************************/ |
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/** |
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\file |
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EtherCAT slave information interface FSM structure. |
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*/ |
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/*****************************************************************************/ |
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4963e22a267a
Equalized defines against duplicated header inclusion.
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parents:
815
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#ifndef __EC_FSM_SII_H__ |
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Equalized defines against duplicated header inclusion.
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parents:
815
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#define __EC_FSM_SII_H__ |
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#include "globals.h" |
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#include "datagram.h" |
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#include "slave.h" |
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/*****************************************************************************/ |
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815
002fe9ec778f
Implemented missing datagram types.
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parents:
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/** SII access addressing mode. |
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8fa6f825eb7d
Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents:
755
diff
changeset
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*/ |
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815
002fe9ec778f
Implemented missing datagram types.
Florian Pose <fp@igh-essen.com>
parents:
758
diff
changeset
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typedef enum {
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002fe9ec778f
Implemented missing datagram types.
Florian Pose <fp@igh-essen.com>
parents:
758
diff
changeset
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EC_FSM_SII_USE_INCREMENT_ADDRESS, /**< Use auto-increment addressing. */ |
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002fe9ec778f
Implemented missing datagram types.
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parents:
758
diff
changeset
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EC_FSM_SII_USE_CONFIGURED_ADDRESS /**< Use configured addresses. */ |
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002fe9ec778f
Implemented missing datagram types.
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parents:
758
diff
changeset
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} ec_fsm_sii_addressing_t; |
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/*****************************************************************************/ |
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typedef struct ec_fsm_sii ec_fsm_sii_t; /**< \see ec_fsm_sii */ |
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/** |
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Slave information interface FSM. |
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*/ |
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struct ec_fsm_sii |
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{
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ec_slave_t *slave; /**< slave the FSM runs on */ |
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ec_datagram_t *datagram; /**< datagram used in the state machine */ |
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505
bc443ca0077f
State machines re-send datagrams on timeout.
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parents:
435
diff
changeset
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unsigned int retries; /**< retries upon datagram timeout */ |
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void (*state)(ec_fsm_sii_t *); /**< SII state function */ |
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755
178353fc47e5
SII writing workaround for some slaves, that don't respond correctly;
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parents:
754
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uint16_t word_offset; /**< input: word offset in SII */ |
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ec_fsm_sii_addressing_t mode; /**< reading via APRD or NPRD */ |
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uint8_t value[4]; /**< raw SII value (32bit) */ |
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2881a83d084f
Use jiffies instead of cycles in SII state machine.
Florian Pose <fp@igh-essen.com>
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979
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unsigned long jiffies_start; /**< Start timestamp. */ |
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uint8_t check_once_more; /**< one more try after timeout */ |
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}; |
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/*****************************************************************************/ |
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void ec_fsm_sii_init(ec_fsm_sii_t *, ec_datagram_t *); |
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void ec_fsm_sii_clear(ec_fsm_sii_t *); |
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void ec_fsm_sii_read(ec_fsm_sii_t *, ec_slave_t *, |
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uint16_t, ec_fsm_sii_addressing_t); |
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b0660152f710
Made data pointer in ec_fsm_sii_write() const.
Florian Pose <fp@igh-essen.com>
parents:
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void ec_fsm_sii_write(ec_fsm_sii_t *, ec_slave_t *, uint16_t, |
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405cc2d033e0
Renamed some fields in ec_sii_request_t to word addressing.
Florian Pose <fp@igh-essen.com>
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883
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const uint16_t *, ec_fsm_sii_addressing_t); |
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779a18d12e6c
Removed state machine running() methods.
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int ec_fsm_sii_exec(ec_fsm_sii_t *); |
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int ec_fsm_sii_success(ec_fsm_sii_t *); |
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/*****************************************************************************/ |
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#endif |