author | Florian Pose <fp@igh-essen.com> |
Fri, 29 Feb 2008 08:27:17 +0000 | |
changeset 846 | 19248bbf9308 |
parent 818 | b6c87ae254c9 |
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/****************************************************************************** |
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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 domain structure. |
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*/ |
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/*****************************************************************************/ |
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#ifndef _EC_DOMAIN_H_ |
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#define _EC_DOMAIN_H_ |
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#include <linux/list.h> |
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#include <linux/kobject.h> |
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#include "globals.h" |
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#include "datagram.h" |
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#include "master.h" |
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#include "fmmu_config.h" |
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/*****************************************************************************/ |
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/** |
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EtherCAT domain. |
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Handles the process data and the therefore needed datagrams of a certain |
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group of slaves. |
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*/ |
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struct ec_domain |
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{ |
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struct kobject kobj; /**< kobject. */ |
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struct list_head list; /**< List item. */ |
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ec_master_t *master; /**< EtherCAT master owning the domain. */ |
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unsigned int index; /**< Index (just a number). */ |
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size_t data_size; /**< Size of the process data. */ |
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unsigned int expected_working_counter; /**< Expected working counter. */ |
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uint8_t *data; /**< Memory for the process data. */ |
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ec_origin_t data_origin; /**< Origin of the \a data memory. */ |
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struct list_head datagrams; /**< Datagrams for process data exchange. */ |
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uint32_t logical_base_address; /**< Logical offset address of the |
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process data. */ |
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unsigned int working_counter; /**< Last working counter value. */ |
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unsigned int state; /**< Error state. */ |
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unsigned int working_counter_changes; /**< Working counter changes |
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since last notification. */ |
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unsigned long notify_jiffies; /**< Time of last notification. */ |
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}; |
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/*****************************************************************************/ |
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int ec_domain_init(ec_domain_t *, ec_master_t *, unsigned int); |
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void ec_domain_destroy(ec_domain_t *); |
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void ec_domain_add_fmmu_config(ec_domain_t *, ec_fmmu_config_t *); |
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int ec_domain_finish(ec_domain_t *, uint32_t); |
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/*****************************************************************************/ |
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#endif |