--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/ethernet.c	Mon Apr 03 14:12:45 2006 +0000
@@ -0,0 +1,97 @@
+/******************************************************************************
+ *
+ *  e t h e r n e t . c
+ *
+ *  Ethernet-over-EtherCAT (EoE)
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#include "../include/ecrt.h"
+#include "globals.h"
+#include "master.h"
+#include "slave.h"
+#include "mailbox.h"
+#include "ethernet.h"
+
+/*****************************************************************************/
+
+void ec_eoe_init(ec_eoe_t *eoe, ec_slave_t *slave)
+{
+    eoe->slave = slave;
+    eoe->rx_state = EC_EOE_IDLE;
+}
+
+/*****************************************************************************/
+
+void ec_eoe_clear(ec_eoe_t *eoe)
+{
+}
+
+/*****************************************************************************/
+
+void ec_eoe_run(ec_eoe_t *eoe)
+{
+    uint8_t *data;
+    ec_master_t *master;
+    size_t rec_size;
+
+    master = eoe->slave->master;
+
+    if (eoe->rx_state == EC_EOE_IDLE) {
+        ec_slave_mbox_prepare_check(eoe->slave);
+        ec_master_queue_command(master, &eoe->slave->mbox_command);
+        eoe->rx_state = EC_EOE_CHECKING;
+        return;
+    }
+
+    if (eoe->rx_state == EC_EOE_CHECKING) {
+        if (eoe->slave->mbox_command.state != EC_CMD_RECEIVED) {
+            master->stats.eoe_errors++;
+            eoe->rx_state = EC_EOE_IDLE;
+            return;
+        }
+        if (!ec_slave_mbox_check(eoe->slave)) {
+            eoe->rx_state = EC_EOE_IDLE;
+            return;
+        }
+        ec_slave_mbox_prepare_fetch(eoe->slave);
+        ec_master_queue_command(master, &eoe->slave->mbox_command);
+        eoe->rx_state = EC_EOE_FETCHING;
+        return;
+    }
+
+    if (eoe->rx_state == EC_EOE_FETCHING) {
+        EC_DBG("EOE fetching\n");
+        if (eoe->slave->mbox_command.state != EC_CMD_RECEIVED) {
+            master->stats.eoe_errors++;
+            eoe->rx_state = EC_EOE_IDLE;
+            return;
+        }
+        if (!(data = ec_slave_mbox_fetch(eoe->slave, 0x02, &rec_size))) {
+            master->stats.eoe_errors++;
+            eoe->rx_state = EC_EOE_IDLE;
+            return;
+        }
+        EC_DBG("EOE received: %i\n", rec_size);
+        eoe->rx_state = EC_EOE_IDLE;
+        return;
+    }
+}
+
+/*****************************************************************************/
+
+void ec_eoe_print(const ec_eoe_t *eoe)
+{
+    EC_INFO("  EoE slave %i\n", eoe->slave->ring_position);
+    EC_INFO("    RX State %i\n", eoe->rx_state);
+}
+
+/*****************************************************************************/
+
+/* Emacs-Konfiguration
+;;; Local Variables: ***
+;;; c-basic-offset:4 ***
+;;; End: ***
+*/