master/cdev.h
changeset 922 fede1d8f5b71
child 1019 ed69d862ff44
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/cdev.h	Thu May 29 15:11:26 2008 +0000
@@ -0,0 +1,68 @@
+/******************************************************************************
+ *
+ *  $Id$
+ *
+ *  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
+   EtherCAT master character device.
+*/
+
+/*****************************************************************************/
+
+#ifndef __EC_CDEV_H__
+#define __EC_CDEV_H__
+
+#include <linux/fs.h>
+#include <linux/cdev.h>
+
+#include "globals.h"
+#include "../include/ecrt.h"
+
+/*****************************************************************************/
+
+/** EtherCAT master character device.
+*/
+typedef struct {
+    ec_master_t *master; /**< Master owning the device. */
+    struct cdev cdev; /**< Character device. */
+} ec_cdev_t;
+
+/*****************************************************************************/
+
+int ec_cdev_init(ec_cdev_t *, ec_master_t *, dev_t);
+void ec_cdev_clear(ec_cdev_t *);
+
+int ec_cdev_request(ec_cdev_t *, uint32_t, uint32_t);
+
+/*****************************************************************************/
+
+#endif