author | Florian Pose <fp@igh-essen.com> |
Tue, 04 Sep 2012 14:19:06 +0200 | |
changeset 2411 | 01370d59233d |
parent 1948 | fa1c4fb0a8da |
child 2434 | fa52128477f6 |
permissions | -rw-r--r-- |
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/****************************************************************************** |
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* |
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* $Id$ |
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* |
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* Copyright (C) 2006-2008 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 and/or |
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* modify it under the terms of the GNU General Public License version 2, as |
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* published by the Free Software Foundation. |
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* |
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* The IgH EtherCAT Master is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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* 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 along |
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* 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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* --- |
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* |
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* The license mentioned above concerns the source code only. Using the |
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* EtherCAT technology and brand is only permitted in compliance with the |
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* industrial property and similar rights of Beckhoff Automation GmbH. |
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* |
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*****************************************************************************/ |
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|
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/** |
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\file |
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EtherCAT CANopen SDO request structure. |
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*/ |
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|
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/*****************************************************************************/ |
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|
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Saparated ec_sdo_t, ec_sdo_entry_t and ec_sdo_request_t.
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#ifndef __EC_SDO_REQUEST_H__ |
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#define __EC_SDO_REQUEST_H__ |
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#include <linux/list.h> |
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#include "globals.h" |
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|
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/*****************************************************************************/ |
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|
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/** CANopen SDO request. |
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*/ |
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struct ec_sdo_request { |
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struct list_head list; /**< List item. */ |
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uint16_t index; /**< SDO index. */ |
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uint8_t subindex; /**< SDO subindex. */ |
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uint8_t *data; /**< Pointer to SDO data. */ |
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size_t mem_size; /**< Size of SDO data memory. */ |
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size_t data_size; /**< Size of SDO data. */ |
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uint8_t complete_access; /**< SDO shall be transferred completely. */ |
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uint32_t issue_timeout; /**< Maximum time in ms, the processing of the |
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request may take. */ |
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uint32_t response_timeout; /**< Maximum time in ms, the transfer is |
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retried, if the slave does not respond. */ |
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ec_direction_t dir; /**< Direction. EC_DIR_OUTPUT means downloading to |
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the slave, EC_DIR_INPUT means uploading from the |
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slave. */ |
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ec_internal_request_state_t state; /**< SDO request state. */ |
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unsigned long jiffies_start; /**< Jiffies, when the request was issued. */ |
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unsigned long jiffies_sent; /**< Jiffies, when the upload/download |
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request was sent. */ |
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int errno; /**< Error number. */ |
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uint32_t abort_code; /**< SDO request abort code. Zero on success. */ |
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}; |
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/*****************************************************************************/ |
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void ec_sdo_request_init(ec_sdo_request_t *); |
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void ec_sdo_request_clear(ec_sdo_request_t *); |
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int ec_sdo_request_copy(ec_sdo_request_t *, const ec_sdo_request_t *); |
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void ec_sdo_request_address(ec_sdo_request_t *, uint16_t, uint8_t); |
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int ec_sdo_request_alloc(ec_sdo_request_t *, size_t); |
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int ec_sdo_request_copy_data(ec_sdo_request_t *, const uint8_t *, size_t); |
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int ec_sdo_request_timed_out(const ec_sdo_request_t *); |
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/*****************************************************************************/ |
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#endif |