author | Florian Pose <fp@igh-essen.com> |
Fri, 03 Mar 2017 16:49:13 +0100 | |
branch | stable-1.5 |
changeset 2673 | 459758a800b3 |
parent 1363 | 11c0b2caa253 |
child 2045 | ff2a13a4603c |
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, |
ef907b0b5125
merge -c1603 branches/stable-1.4: Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
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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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\file |
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Vendor specific over EtherCAT protocol handler. |
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*/ |
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/*****************************************************************************/ |
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#ifndef __EC_VOE_HANDLER_H__ |
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#define __EC_VOE_HANDLER_H__ |
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#include <linux/list.h> |
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#include "globals.h" |
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#include "datagram.h" |
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/*****************************************************************************/ |
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/** Vendor specific over EtherCAT handler. |
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*/ |
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struct ec_voe_handler { |
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struct list_head list; /**< List item. */ |
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ec_slave_config_t *config; /**< Parent slave configuration. */ |
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ec_datagram_t datagram; /**< State machine datagram. */ |
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uint32_t vendor_id; /**< Vendor ID for the header. */ |
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uint16_t vendor_type; /**< Vendor type for the header. */ |
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size_t data_size; /**< Size of VoE data. */ |
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ec_direction_t dir; /**< Direction. EC_DIR_OUTPUT means writing to |
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the slave, EC_DIR_INPUT means reading from the |
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slave. */ |
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void (*state)(ec_voe_handler_t *); /**< State function */ |
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ec_internal_request_state_t request_state; /**< Handler state. */ |
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unsigned int retries; /**< retries upon datagram timeout */ |
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unsigned long jiffies_start; /**< Timestamp for timeout calculation. */ |
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}; |
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/*****************************************************************************/ |
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int ec_voe_handler_init(ec_voe_handler_t *, ec_slave_config_t *, size_t); |
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void ec_voe_handler_clear(ec_voe_handler_t *); |
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size_t ec_voe_handler_mem_size(const ec_voe_handler_t *); |
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/*****************************************************************************/ |
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#endif |