diff -r 1a7067207637 -r 7bc131b92039 dummy/module.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dummy/module.c Fri Aug 10 15:27:08 2007 +0000 @@ -0,0 +1,156 @@ +/****************************************************************************** + * + * $Id$ + * + * Copyright (C) 2006 Florian Pose, Ingenieurgemeinschaft IgH + * + * This file is part of the IgH EtherCAT Master. + * + * The IgH EtherCAT Master is free software; you can redistribute it + * and/or modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * The IgH EtherCAT Master is distributed in the hope that it will be + * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with the IgH EtherCAT Master; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * The right to use EtherCAT Technology is granted and comes free of + * charge under condition of compatibility of product made by + * Licensee. People intending to distribute/sell products based on the + * code, have to sign an agreement to guarantee that products using + * software based on IgH EtherCAT master stay compatible with the actual + * EtherCAT specification (which are released themselves as an open + * standard) as the (only) precondition to have the right to use EtherCAT + * Technology, IP and trade marks. + * + *****************************************************************************/ + +/** + \file + Dummy EtherCAT master driver module. +*/ + +/*****************************************************************************/ + +#include +//#include +//#include + +#include "../master/globals.h" +#include "../include/ecrt.h" + +/*****************************************************************************/ + +int __init ec_init_module(void); +void __exit ec_cleanup_module(void); + +char *ec_master_version_str = EC_MASTER_VERSION; + +/*****************************************************************************/ + +/** \cond */ + +MODULE_AUTHOR("Florian Pose "); +MODULE_DESCRIPTION("DUMMY EtherCAT master driver module"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(EC_MASTER_VERSION); + +/** \endcond */ + +/*****************************************************************************/ + +#define DUMMY_SIZE (PAGE_SIZE * 8) + +uint8_t dummy_data[DUMMY_SIZE]; +off_t dummy_off = 0; + +uint8_t *get_dummy_data(void) +{ + off_t cur = dummy_off; + + dummy_off += 64; + dummy_off %= DUMMY_SIZE; + + return dummy_data + cur; +} + +/*****************************************************************************/ + +/** + * Module initialization. + * Initializes \a ec_master_count masters. + * \return 0 on success, else < 0 + */ + +int __init ec_init_module(void) +{ + EC_INFO("Master DUMMY driver %s\n", EC_MASTER_VERSION); + + memset(dummy_data, 0x00, DUMMY_SIZE); + + return 0; +} + +/*****************************************************************************/ + +/** + Module cleanup. + Clears all master instances. +*/ + +void __exit ec_cleanup_module(void) +{ + EC_INFO("Master DUMMY module cleaned up.\n"); +} + +/****************************************************************************** + * Realtime interface + *****************************************************************************/ + +unsigned int ecrt_version_magic(void) +{ + return ECRT_VERSION_MAGIC; +} + +/*****************************************************************************/ + +ec_master_t *ecrt_request_master(unsigned int master_index + /**< master index */ + ) +{ + EC_INFO("Requesting DUMMY master %u...\n", master_index); + return (void *) master_index + 1; +} + +/*****************************************************************************/ + +/** + Releases a reserved EtherCAT master. + \ingroup RealtimeInterface +*/ + +void ecrt_release_master(ec_master_t *master /**< EtherCAT master */) +{ + EC_INFO("Released DUMMY master %u.\n", (unsigned int) master - 1); +} + +/*****************************************************************************/ + +/** \cond */ + +module_init(ec_init_module); +module_exit(ec_cleanup_module); + +EXPORT_SYMBOL(ecrt_request_master); +EXPORT_SYMBOL(ecrt_release_master); +EXPORT_SYMBOL(ecrt_version_magic); + +/** \endcond */ + +/*****************************************************************************/