IgH EtherCAT Master: domain.h Source File

00001 /******************************************************************************
00002  *
00003  *  $Id$
00004  *
00005  *  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH
00006  *
00007  *  This file is part of the IgH EtherCAT Master.
00008  *
00009  *  The IgH EtherCAT Master is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License version 2, as
00011  *  published by the Free Software Foundation.
00012  *
00013  *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
00014  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
00016  *  Public License for more details.
00017  *
00018  *  You should have received a copy of the GNU General Public License along
00019  *  with the IgH EtherCAT Master; if not, write to the Free Software
00020  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00021  *
00022  *  ---
00023  *
00024  *  The license mentioned above concerns the source code only. Using the
00025  *  EtherCAT technology and brand is only permitted in compliance with the
00026  *  industrial property and similar rights of Beckhoff Automation GmbH.
00027  *
00028  *****************************************************************************/
00029 
00035 /*****************************************************************************/
00036 
00037 #ifndef __EC_DOMAIN_H__
00038 #define __EC_DOMAIN_H__
00039 
00040 #include <linux/list.h>
00041 
00042 #include "globals.h"
00043 #include "datagram.h"
00044 #include "master.h"
00045 #include "fmmu_config.h"
00046 
00047 /*****************************************************************************/
00048 
00054 struct ec_domain
00055 {
00056     struct list_head list; 
00057     ec_master_t *master; 
00058     unsigned int index; 
00060     struct list_head fmmu_configs; 
00061     size_t data_size; 
00062     uint8_t *data; 
00063     ec_origin_t data_origin; 
00064     uint32_t logical_base_address; 
00066     struct list_head datagram_pairs; 
00068     uint16_t working_counter[EC_MAX_NUM_DEVICES]; 
00070     uint16_t expected_working_counter; 
00071     unsigned int working_counter_changes; 
00073     unsigned int redundancy_active; 
00074     unsigned long notify_jiffies; 
00075 };
00076 
00077 /*****************************************************************************/
00078 
00079 void ec_domain_init(ec_domain_t *, ec_master_t *, unsigned int);
00080 void ec_domain_clear(ec_domain_t *);
00081 
00082 void ec_domain_add_fmmu_config(ec_domain_t *, ec_fmmu_config_t *);
00083 int ec_domain_finish(ec_domain_t *, uint32_t);
00084 
00085 unsigned int ec_domain_fmmu_count(const ec_domain_t *);
00086 const ec_fmmu_config_t *ec_domain_find_fmmu(const ec_domain_t *, unsigned int);
00087 
00088 /*****************************************************************************/
00089 
00090 #endif