--- a/lib/sdo_request.c Thu Sep 06 14:21:02 2012 +0200
+++ b/lib/sdo_request.c Mon Nov 03 15:20:05 2014 +0100
@@ -2,10 +2,10 @@
*
* $Id$
*
- * Copyright (C) 2006-2009 Florian Pose, Ingenieurgemeinschaft IgH
- *
+ * Copyright (C) 2006-2012 Florian Pose, Ingenieurgemeinschaft IgH
+ *
* This file is part of the IgH EtherCAT master userspace library.
- *
+ *
* The IgH EtherCAT master userspace library is free software; you can
* redistribute it and/or modify it under the terms of the GNU Lesser General
* Public License as published by the Free Software Foundation; version 2.1
@@ -19,9 +19,9 @@
* You should have received a copy of the GNU Lesser General Public License
* along with the IgH EtherCAT master userspace library. If not, see
* <http://www.gnu.org/licenses/>.
- *
+ *
* ---
- *
+ *
* The license mentioned above concerns the source code only. Using the
* EtherCAT technology and brand is only permitted in compliance with the
* industrial property and similar rights of Beckhoff Automation GmbH.
@@ -35,11 +35,10 @@
/*****************************************************************************/
#include <stdio.h>
-#include <errno.h>
#include <string.h>
+#include "ioctl.h"
#include "sdo_request.h"
-#include "master/ioctl.h"
#include "slave_config.h"
#include "master.h"
@@ -56,18 +55,40 @@
* Application interface.
****************************************************************************/
+void ecrt_sdo_request_index(ec_sdo_request_t *req, uint16_t index,
+ uint8_t subindex)
+{
+ ec_ioctl_sdo_request_t data;
+ int ret;
+
+ data.config_index = req->config->index;
+ data.request_index = req->index;
+ data.sdo_index = index;
+ data.sdo_subindex = subindex;
+
+ ret = ioctl(req->config->master->fd, EC_IOCTL_SDO_REQUEST_INDEX, &data);
+ if (EC_IOCTL_IS_ERROR(ret)) {
+ fprintf(stderr, "Failed to set SDO request index/subindex: %s\n",
+ strerror(EC_IOCTL_ERRNO(ret)));
+ }
+}
+
+/*****************************************************************************/
+
void ecrt_sdo_request_timeout(ec_sdo_request_t *req, uint32_t timeout)
{
ec_ioctl_sdo_request_t data;
+ int ret;
data.config_index = req->config->index;
data.request_index = req->index;
data.timeout = timeout;
- if (ioctl(req->config->master->fd, EC_IOCTL_SDO_REQUEST_TIMEOUT,
- &data) == -1)
+ ret = ioctl(req->config->master->fd, EC_IOCTL_SDO_REQUEST_TIMEOUT, &data);
+ if (EC_IOCTL_IS_ERROR(ret)) {
fprintf(stderr, "Failed to set SDO request timeout: %s\n",
- strerror(errno));
+ strerror(EC_IOCTL_ERRNO(ret)));
+ }
}
/*****************************************************************************/
@@ -89,34 +110,32 @@
ec_request_state_t ecrt_sdo_request_state(ec_sdo_request_t *req)
{
ec_ioctl_sdo_request_t data;
+ int ret;
data.config_index = req->config->index;
data.request_index = req->index;
- if (ioctl(req->config->master->fd, EC_IOCTL_SDO_REQUEST_STATE,
- &data) == -1)
+ ret = ioctl(req->config->master->fd, EC_IOCTL_SDO_REQUEST_STATE, &data);
+ if (EC_IOCTL_IS_ERROR(ret)) {
fprintf(stderr, "Failed to get SDO request state: %s\n",
- strerror(errno));
+ strerror(EC_IOCTL_ERRNO(ret)));
+ return EC_REQUEST_ERROR;
+ }
if (data.size) { // new data waiting to be copied
if (req->mem_size < data.size) {
- if (req->data)
- free(req->data);
- req->data = malloc(data.size);
- if (!req->data) {
- req->mem_size = 0;
- fprintf(stderr, "Failed to allocate %u bytes of SDO data"
- " memory!\n", data.size);
- return EC_REQUEST_ERROR;
- }
- req->mem_size = data.size;
+ fprintf(stderr, "Received %zu bytes do not fit info SDO data"
+ " memory (%zu bytes)!\n", data.size, req->mem_size);
+ return EC_REQUEST_ERROR;
}
data.data = req->data;
- if (ioctl(req->config->master->fd, EC_IOCTL_SDO_REQUEST_DATA,
- &data) == -1) {
- fprintf(stderr, "Failed to get SDO data: %s\n", strerror(errno));
+ ret = ioctl(req->config->master->fd,
+ EC_IOCTL_SDO_REQUEST_DATA, &data);
+ if (EC_IOCTL_IS_ERROR(ret)) {
+ fprintf(stderr, "Failed to get SDO data: %s\n",
+ strerror(EC_IOCTL_ERRNO(ret)));
return EC_REQUEST_ERROR;
}
req->data_size = data.size;
@@ -130,14 +149,16 @@
void ecrt_sdo_request_read(ec_sdo_request_t *req)
{
ec_ioctl_sdo_request_t data;
+ int ret;
data.config_index = req->config->index;
data.request_index = req->index;
- if (ioctl(req->config->master->fd, EC_IOCTL_SDO_REQUEST_READ,
- &data) == -1)
+ ret = ioctl(req->config->master->fd, EC_IOCTL_SDO_REQUEST_READ, &data);
+ if (EC_IOCTL_IS_ERROR(ret)) {
fprintf(stderr, "Failed to command an SDO read operation : %s\n",
- strerror(errno));
+ strerror(EC_IOCTL_ERRNO(ret)));
+ }
}
/*****************************************************************************/
@@ -145,16 +166,18 @@
void ecrt_sdo_request_write(ec_sdo_request_t *req)
{
ec_ioctl_sdo_request_t data;
+ int ret;
data.config_index = req->config->index;
data.request_index = req->index;
data.data = req->data;
data.size = req->data_size;
- if (ioctl(req->config->master->fd, EC_IOCTL_SDO_REQUEST_WRITE,
- &data) == -1)
+ ret = ioctl(req->config->master->fd, EC_IOCTL_SDO_REQUEST_WRITE, &data);
+ if (EC_IOCTL_IS_ERROR(ret)) {
fprintf(stderr, "Failed to command an SDO write operation : %s\n",
- strerror(errno));
+ strerror(EC_IOCTL_ERRNO(ret)));
+ }
}
/*****************************************************************************/