--- a/master/device.c Mon Apr 24 10:47:03 2006 +0000
+++ b/master/device.c Mon May 29 09:08:56 2006 +0000
@@ -8,7 +8,8 @@
*
* 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; version 2 of the 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
@@ -19,6 +20,15 @@
* 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.
+ *
*****************************************************************************/
/**
@@ -61,9 +71,14 @@
device->open = 0;
device->link_state = 0; // down
- if (!(device->tx_skb = dev_alloc_skb(ETH_HLEN + EC_MAX_FRAME_SIZE))) {
+ if (ec_debug_init(&device->dbg)) {
+ EC_ERR("Failed to init debug device!\n");
+ goto out_return;
+ }
+
+ if (!(device->tx_skb = dev_alloc_skb(ETH_FRAME_LEN))) {
EC_ERR("Error allocating device socket buffer!\n");
- return -1;
+ goto out_debug;
}
device->tx_skb->dev = net_dev;
@@ -76,6 +91,11 @@
memset(eth->h_dest, 0xFF, net_dev->addr_len);
return 0;
+
+ out_debug:
+ ec_debug_clear(&device->dbg);
+ out_return:
+ return -1;
}
/*****************************************************************************/
@@ -88,6 +108,7 @@
{
if (device->open) ec_device_close(device);
if (device->tx_skb) dev_kfree_skb(device->tx_skb);
+ ec_debug_clear(&device->dbg);
}
/*****************************************************************************/
@@ -180,6 +201,8 @@
ec_print_data(device->tx_skb->data + ETH_HLEN, size);
}
+ ec_debug_send(&device->dbg, device->tx_skb->data, ETH_HLEN + size);
+
// start sending
device->dev->hard_start_xmit(device->tx_skb, device->dev);
}
@@ -210,16 +233,19 @@
*/
void ecdev_receive(ec_device_t *device, /**< EtherCAT device */
- const void *data, /**< pointer to receibed data */
+ const void *data, /**< pointer to received data */
size_t size /**< number of bytes received */
)
{
if (unlikely(device->master->debug_level > 1)) {
EC_DBG("Received frame:\n");
- ec_print_data_diff(device->tx_skb->data + ETH_HLEN, data, size);
- }
-
- ec_master_receive(device->master, data, size);
+ ec_print_data_diff(device->tx_skb->data + ETH_HLEN,
+ data + ETH_HLEN, size - ETH_HLEN);
+ }
+
+ ec_debug_send(&device->dbg, data, size);
+
+ ec_master_receive(device->master, data + ETH_HLEN, size - ETH_HLEN);
}
/*****************************************************************************/