lib/master.c
author Florian Pose <fp@igh-essen.com>
Thu, 02 Oct 2008 10:19:02 +0000
changeset 1244 0b70040d3daa
child 1246 4042bda8c980
permissions -rw-r--r--
No kernel handles in userspace; Domain creation.
1244
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     1
/******************************************************************************
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     2
 *
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     3
 *  $Id$
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     4
 *
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     5
 *  Copyright (C) 2006  Florian Pose, Ingenieurgemeinschaft IgH
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     6
 *
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     7
 *  This file is part of the IgH EtherCAT Master.
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     8
 *
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     9
 *  The IgH EtherCAT Master is free software; you can redistribute it
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    10
 *  and/or modify it under the terms of the GNU General Public License
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    11
 *  as published by the Free Software Foundation; either version 2 of the
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    12
 *  License, or (at your option) any later version.
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    13
 *
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    14
 *  The IgH EtherCAT Master is distributed in the hope that it will be
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    15
 *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    16
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    17
 *  GNU General Public License for more details.
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    18
 *
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    19
 *  You should have received a copy of the GNU General Public License
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    20
 *  along with the IgH EtherCAT Master; if not, write to the Free Software
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    21
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    22
 *
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    23
 *  The right to use EtherCAT Technology is granted and comes free of
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    24
 *  charge under condition of compatibility of product made by
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    25
 *  Licensee. People intending to distribute/sell products based on the
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    26
 *  code, have to sign an agreement to guarantee that products using
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    27
 *  software based on IgH EtherCAT master stay compatible with the actual
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    28
 *  EtherCAT specification (which are released themselves as an open
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    29
 *  standard) as the (only) precondition to have the right to use EtherCAT
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    30
 *  Technology, IP and trade marks.
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    31
 *
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    32
 *****************************************************************************/
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    33
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    34
#include <stdlib.h>
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    35
#include <sys/ioctl.h>
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    36
#include <stdio.h>
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    37
#include <errno.h>
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    38
#include <string.h>
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    39
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    40
#include "master.h"
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    41
#include "domain.h"
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    42
#include "master/ioctl.h"
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    43
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    44
/*****************************************************************************/
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    45
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    46
ec_domain_t *ecrt_master_create_domain(ec_master_t *master)
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    47
{
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    48
    ec_domain_t *domain;
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    49
    int index;
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    50
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    51
    domain = malloc(sizeof(ec_domain_t));
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    52
    if (!domain) {
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    53
        fprintf(stderr, "Failed to allocate memory.\n");
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    54
        return 0;
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    55
    }
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    56
    
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    57
    index = ioctl(master->fd, EC_IOCTL_CREATE_DOMAIN, NULL);
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    58
    if (index == -1) {
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    59
        fprintf(stderr, "Failed to create domain: %s\n", strerror(errno));
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    60
        free(domain);
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    61
        return 0; 
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    62
    }
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    63
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    64
    domain->index = (unsigned int) index;
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    65
    return domain;
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    66
}
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    67
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    68
/*****************************************************************************/
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    69
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    70
ec_slave_config_t *ecrt_master_slave_config(ec_master_t *master,
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    71
        uint16_t alias, uint16_t position, uint32_t vendor_id,
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    72
        uint32_t product_code)
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    73
{
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    74
    return 0;
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    75
}
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    76
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    77
/*****************************************************************************/
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    78
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    79
int ecrt_master_activate(ec_master_t *master)
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    80
{
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    81
    return 0;
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    82
}
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    83
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    84
/*****************************************************************************/
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    85
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    86
void ecrt_master_send(ec_master_t *master)
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    87
{
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    88
}
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    89
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    90
/*****************************************************************************/
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    91
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    92
void ecrt_master_receive(ec_master_t *master)
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    93
{
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    94
}
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    95
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    96
/*****************************************************************************/
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    97
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    98
void ecrt_master_state(const ec_master_t *master, ec_master_state_t *state)
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    99
{
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   100
}
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   101
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   102
0b70040d3daa No kernel handles in userspace; Domain creation.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   103
/*****************************************************************************/