dummy/module.c
changeset 665 a9794f927d78
child 666 825ead3e0559
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dummy/module.c	Wed Jun 06 17:02:38 2007 +0000
@@ -0,0 +1,136 @@
+/******************************************************************************
+ *
+ *  $Id$
+ *
+ *  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 <linux/module.h>
+//#include <linux/kernel.h>
+//#include <linux/init.h>
+
+#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 <fp@igh-essen.com>");
+MODULE_DESCRIPTION("DUMMY EtherCAT master driver module");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(EC_MASTER_VERSION);
+
+/** \endcond */
+
+/*****************************************************************************/
+
+/**
+ * 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);
+    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 */
+
+/*****************************************************************************/