fp@1255: /******************************************************************************
fp@2421:  *
fp@1326:  *  $Id$
fp@2421:  *
fp@2433:  *  Copyright (C) 2006-2012  Florian Pose, Ingenieurgemeinschaft IgH
fp@2421:  *
fp@1326:  *  This file is part of the IgH EtherCAT master userspace library.
fp@2421:  *
fp@1326:  *  The IgH EtherCAT master userspace library is free software; you can
fp@1326:  *  redistribute it and/or modify it under the terms of the GNU Lesser General
fp@1326:  *  Public License as published by the Free Software Foundation; version 2.1
fp@1326:  *  of the License.
fp@1287:  *
fp@1326:  *  The IgH EtherCAT master userspace library is distributed in the hope that
fp@1326:  *  it will be useful, but WITHOUT ANY WARRANTY; without even the implied
fp@1326:  *  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
fp@1326:  *  GNU Lesser General Public License for more details.
fp@1287:  *
fp@1326:  *  You should have received a copy of the GNU Lesser General Public License
fp@1326:  *  along with the IgH EtherCAT master userspace library. If not, see
fp@1326:  *  <http://www.gnu.org/licenses/>.
fp@2421:  *
fp@1363:  *  ---
fp@2421:  *
fp@1363:  *  The license mentioned above concerns the source code only. Using the
fp@1363:  *  EtherCAT technology and brand is only permitted in compliance with the
fp@1363:  *  industrial property and similar rights of Beckhoff Automation GmbH.
fp@1255:  *
fp@1255:  *****************************************************************************/
fp@1255: 
fp@1255: /**
fp@1255:    \file
fp@1255:    EtherCAT domain methods.
fp@1255: */
fp@1255: 
fp@1255: /*****************************************************************************/
fp@1255: 
fp@1258: #include <stdio.h>
fp@1258: #include <string.h>
fp@2433: #include <errno.h> /* ENOENT */
fp@1258: 
fp@2433: #include "ioctl.h"
fp@1255: #include "domain.h"
fp@1258: #include "master.h"
fp@1255: 
fp@1255: /*****************************************************************************/
fp@1255: 
fp@1959: void ec_domain_clear(ec_domain_t *domain)
fp@1959: {
fp@1959:     // nothing to do
fp@1959: }
fp@1959: 
fp@1959: /*****************************************************************************/
fp@1959: 
fp@1255: int ecrt_domain_reg_pdo_entry_list(ec_domain_t *domain,
fp@1255:         const ec_pdo_entry_reg_t *regs)
fp@1255: {
fp@1255:     const ec_pdo_entry_reg_t *reg;
fp@1255:     ec_slave_config_t *sc;
fp@1255:     int ret;
fp@2421: 
fp@1255:     for (reg = regs; reg->index; reg++) {
fp@1255:         if (!(sc = ecrt_master_slave_config(domain->master, reg->alias,
fp@1255:                         reg->position, reg->vendor_id, reg->product_code)))
fp@2433:             return -ENOENT;
fp@1255: 
fp@1255:         if ((ret = ecrt_slave_config_reg_pdo_entry(sc, reg->index,
fp@1255:                         reg->subindex, domain, reg->bit_position)) < 0)
fp@2433:             return ret;
fp@1255: 
fp@1255:         *reg->offset = ret;
fp@1255:     }
fp@1255: 
fp@1255:     return 0;
fp@1255: }
fp@1255: 
fp@1255: /*****************************************************************************/
fp@1255: 
fp@2504: size_t ecrt_domain_size(const ec_domain_t *domain)
fp@2504: {
fp@2504:     int ret;
fp@2504: 
fp@2504:     ret = ioctl(domain->master->fd, EC_IOCTL_DOMAIN_SIZE, domain->index);
fp@2504:     if (EC_IOCTL_IS_ERROR(ret)) {
fp@2504:         fprintf(stderr, "Failed to get domain size: %s\n",
fp@2504:                 strerror(EC_IOCTL_ERRNO(ret)));
fp@2504:     }
fp@2504: 
fp@2504:     return ret;
fp@2504: }
fp@2504: 
fp@2504: /*****************************************************************************/
fp@2504: 
fp@1255: uint8_t *ecrt_domain_data(ec_domain_t *domain)
fp@1255: {
fp@1258:     if (!domain->process_data) {
fp@1258:         int offset = 0;
fp@1258: 
fp@1258:         offset = ioctl(domain->master->fd, EC_IOCTL_DOMAIN_OFFSET,
fp@1258:                 domain->index);
fp@2433:         if (EC_IOCTL_IS_ERROR(offset)) {
fp@1258:             fprintf(stderr, "Failed to get domain offset: %s\n",
fp@2433:                     strerror(EC_IOCTL_ERRNO(offset)));
fp@2421:             return NULL;
fp@1258:         }
fp@2421: 
fp@1258:         domain->process_data = domain->master->process_data + offset;
fp@1258:     }
fp@1258: 
fp@1258:     return domain->process_data;
fp@1255: }
fp@1255: 
fp@1255: /*****************************************************************************/
fp@1255: 
fp@1255: void ecrt_domain_process(ec_domain_t *domain)
fp@1255: {
fp@2433:     int ret;
fp@2433: 
fp@2433:     ret = ioctl(domain->master->fd, EC_IOCTL_DOMAIN_PROCESS, domain->index);
fp@2433:     if (EC_IOCTL_IS_ERROR(ret)) {
fp@2433:         fprintf(stderr, "Failed to process domain: %s\n",
fp@2433:                 strerror(EC_IOCTL_ERRNO(ret)));
fp@1258:     }
fp@1255: }
fp@1255: 
fp@1255: /*****************************************************************************/
fp@1255: 
fp@1255: void ecrt_domain_queue(ec_domain_t *domain)
fp@1255: {
fp@2433:     int ret;
fp@2433: 
fp@2433:     ret = ioctl(domain->master->fd, EC_IOCTL_DOMAIN_QUEUE, domain->index);
fp@2433:     if (EC_IOCTL_IS_ERROR(ret)) {
fp@2433:         fprintf(stderr, "Failed to queue domain: %s\n",
fp@2433:                 strerror(EC_IOCTL_ERRNO(ret)));
fp@1258:     }
fp@1255: }
fp@1255: 
fp@1255: /*****************************************************************************/
fp@1255: 
fp@1255: void ecrt_domain_state(const ec_domain_t *domain, ec_domain_state_t *state)
fp@1255: {
fp@1259:     ec_ioctl_domain_state_t data;
fp@2433:     int ret;
fp@1259: 
fp@1259:     data.domain_index = domain->index;
fp@1259:     data.state = state;
fp@2421: 
fp@2433:     ret = ioctl(domain->master->fd, EC_IOCTL_DOMAIN_STATE, &data);
fp@2433:     if (EC_IOCTL_IS_ERROR(ret)) {
fp@1259:         fprintf(stderr, "Failed to get domain state: %s\n",
fp@2433:                 strerror(EC_IOCTL_ERRNO(ret)));
fp@1259:     }
fp@1255: }
fp@1255: 
fp@1255: /*****************************************************************************/