--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/master/voe_handler.h Mon Sep 01 14:17:18 2008 +0000
@@ -0,0 +1,74 @@
+/******************************************************************************
+ *
+ * $Id$
+ *
+ * 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
+ Vendor-specific-over-EtherCAT protocol handler.
+*/
+
+/*****************************************************************************/
+
+#ifndef __EC_VOE_HANDLER_H__
+#define __EC_VOE_HANDLER_H__
+
+#include <linux/list.h>
+
+#include "globals.h"
+#include "datagram.h"
+
+/*****************************************************************************/
+
+/** Vendor-specific-over-EtherCAT handler.
+ */
+struct ec_voe_handler {
+ struct list_head list; /**< List item. */
+ ec_slave_config_t *config; /**< Parent slave configuration. */
+ ec_datagram_t datagram; /**< State machine datagram. */
+ size_t data_size; /**< Size of Sdo data. */
+ ec_direction_t dir; /**< Direction. EC_DIR_OUTPUT means writing to
+ the slave, EC_DIR_INPUT means reading from the
+ slave. */
+ void (*state)(ec_voe_handler_t *); /**< State function */
+ ec_internal_request_state_t request_state; /**< Handler state. */
+ unsigned int retries; /**< retries upon datagram timeout */
+ unsigned long jiffies_start; /**< Timestamp for timeout calculation. */
+};
+
+/*****************************************************************************/
+
+int ec_voe_handler_init(ec_voe_handler_t *, ec_slave_config_t *, size_t);
+void ec_voe_handler_clear(ec_voe_handler_t *);
+
+/*****************************************************************************/
+
+#endif