master/canopen.c
author Florian Pose <fp@igh-essen.com>
Tue, 28 Feb 2006 11:14:49 +0000
changeset 92 a9f92d42cbb0
parent 91 0120d6214948
child 98 f564d0929292
permissions -rw-r--r--
Code-Dokumentation verbessert.
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     1
/******************************************************************************
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     2
 *
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     3
 *  c a n o p e n . c
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     4
 *
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     5
 *  CANopen over EtherCAT
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     6
 *
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     7
 *  $Id$
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     8
 *
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     9
 *****************************************************************************/
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    10
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    11
#include <linux/delay.h>
80
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
    12
#include <linux/slab.h>
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
    13
#include <linux/module.h>
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    14
77
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    15
#include "../include/EtherCAT_si.h"
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    16
#include "master.h"
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    17
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    18
/*****************************************************************************/
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    19
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
    20
/**
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
    21
   Schreibt ein CANopen-SDO (service data object).
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
    22
 */
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
    23
77
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    24
int EtherCAT_rt_canopen_sdo_write(ec_slave_t *slave, /**< EtherCAT-Slave */
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    25
                                  uint16_t sdo_index, /**< SDO-Index */
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    26
                                  uint8_t sdo_subindex, /**< SDO-Subindex */
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    27
                                  uint32_t value, /**< Neuer Wert */
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    28
                                  size_t size /**< Größe des Datenfeldes */
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    29
                                  )
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    30
{
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    31
    unsigned char data[0xF6];
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
    32
    ec_frame_t frame;
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    33
    unsigned int tries_left, i;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
    34
    ec_master_t *master;
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    35
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
    36
    memset(data, 0x00, 0xF6);
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
    37
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
    38
    master = slave->master;
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    39
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    40
    if (size == 0 || size > 4) {
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 80
diff changeset
    41
        EC_ERR("Illegal SDO data size: %i!\n", size);
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    42
        return -1;
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    43
    }
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    44
77
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    45
    EC_WRITE_U16(data,      0x000A); // Length of the Mailbox service data
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    46
    EC_WRITE_U16(data + 2,  slave->station_address); // Station address
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    47
    EC_WRITE_U8 (data + 4,  0x00); // Channel & priority
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    48
    EC_WRITE_U8 (data + 5,  0x03); // CANopen over EtherCAT
80
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
    49
    EC_WRITE_U16(data + 6,  0x2000); // Number (0), Service (SDO request)
77
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    50
    EC_WRITE_U8 (data + 8,  0x13 | ((4 - size) << 2)); // Spec., exp., init.
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    51
    EC_WRITE_U16(data + 9,  sdo_index);
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    52
    EC_WRITE_U8 (data + 11, sdo_subindex);
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    53
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    54
    for (i = 0; i < size; i++) {
77
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    55
        EC_WRITE_U8(data + 12 + i, value & 0xFF);
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    56
        value >>= 8;
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    57
    }
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    58
89
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
    59
    ec_frame_init_npwr(&frame, master, slave->station_address,
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
    60
                       0x1800, 0xF6, data);
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
    61
90
044e97bce4bd Rahmen jetzt zustandslos.
Florian Pose <fp@igh-essen.com>
parents: 89
diff changeset
    62
    if (unlikely(ec_frame_send_receive(&frame))) {
89
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
    63
        EC_ERR("Mailbox sending failed on slave %i!\n", slave->ring_position);
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    64
        return -1;
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    65
    }
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    66
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    67
    // Read "written bit" of Sync-Manager
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    68
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    69
    tries_left = 10;
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    70
    while (tries_left)
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    71
    {
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
    72
        ec_frame_init_nprd(&frame, master, slave->station_address, 0x808, 8);
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    73
89
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
    74
        if (unlikely(ec_frame_send_receive(&frame) < 0)) {
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
    75
            EC_ERR("Mailbox checking failed on slave %i!\n",
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 80
diff changeset
    76
                   slave->ring_position);
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    77
            return -1;
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    78
        }
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    79
77
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
    80
        if (EC_READ_U8(frame.data + 5) & 8) { // Written bit is high
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    81
            break;
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    82
        }
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    83
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    84
        udelay(1000);
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    85
        tries_left--;
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    86
    }
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    87
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    88
    if (!tries_left) {
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 80
diff changeset
    89
        EC_ERR("Mailbox check - Slave %i timed out.\n", slave->ring_position);
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    90
        return -1;
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    91
    }
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    92
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
    93
    ec_frame_init_nprd(&frame, master, slave->station_address, 0x18F6, 0xF6);
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    94
89
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
    95
    if (unlikely(ec_frame_send_receive(&frame) < 0)) {
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
    96
        EC_ERR("Mailbox receiving failed on slave %i!\n",
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 80
diff changeset
    97
               slave->ring_position);
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    98
        return -1;
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    99
    }
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   100
77
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
   101
    if (EC_READ_U8 (frame.data + 5) != 0x03 || // COE
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
   102
        EC_READ_U16(frame.data + 6) != 0x3000 || // SDO response
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
   103
        EC_READ_U8 (frame.data + 8) >> 5 != 0x03 || // Download response
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
   104
        EC_READ_U16(frame.data + 9) != sdo_index || // Index
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
   105
        EC_READ_U8 (frame.data + 11) != sdo_subindex) // Subindex
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   106
    {
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 80
diff changeset
   107
        EC_ERR("Illegal mailbox response at slave %i!\n",
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
   108
               slave->ring_position);
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   109
        return -1;
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   110
    }
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   111
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   112
    return 0;
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   113
}
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   114
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   115
/*****************************************************************************/
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   116
80
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   117
/**
91
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   118
   Liest ein CANopen-SDO (service data object).
80
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   119
 */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   120
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   121
int EtherCAT_rt_canopen_sdo_read(ec_slave_t *slave, /**< EtherCAT-Slave */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   122
                                 uint16_t sdo_index, /**< SDO-Index */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   123
                                 uint8_t sdo_subindex, /**< SDO-Subindex */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   124
                                 uint32_t *value /**< Speicher für gel. Wert */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   125
                                 )
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   126
{
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   127
    unsigned char data[0xF6];
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   128
    ec_frame_t frame;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   129
    unsigned int tries_left;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   130
    ec_master_t *master;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   131
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   132
    memset(data, 0x00, 0xF6);
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   133
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   134
    master = slave->master;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   135
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   136
    EC_WRITE_U16(data,      0x0006); // Length of the Mailbox service data
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   137
    EC_WRITE_U16(data + 2,  slave->station_address); // Station address
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   138
    EC_WRITE_U8 (data + 4,  0x00); // Channel & priority
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   139
    EC_WRITE_U8 (data + 5,  0x03); // CANopen over EtherCAT
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   140
    EC_WRITE_U16(data + 6,  0x2000); // Number (0), Service (SDO request)
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   141
    EC_WRITE_U8 (data + 8,  0x1 << 1 | 0x2 << 5); // Exp., Upload request
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   142
    EC_WRITE_U16(data + 9,  sdo_index);
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   143
    EC_WRITE_U8 (data + 11, sdo_subindex);
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   144
89
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
   145
    ec_frame_init_npwr(&frame, master, slave->station_address,
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
   146
                       0x1800, 0xF6, data);
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
   147
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
   148
    if (unlikely(ec_frame_send_receive(&frame) < 0)) {
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
   149
        EC_ERR("Mailbox sending failed on slave %i!\n", slave->ring_position);
80
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   150
        return -1;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   151
    }
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   152
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   153
    // Read "written bit" of Sync-Manager
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   154
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   155
    tries_left = 10;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   156
    while (tries_left)
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   157
    {
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   158
        ec_frame_init_nprd(&frame, master, slave->station_address, 0x808, 8);
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   159
89
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
   160
        if (unlikely(ec_frame_send_receive(&frame) < 0)) {
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
   161
            EC_ERR("Mailbox checking failed on slave %i!\n",
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 80
diff changeset
   162
                   slave->ring_position);
80
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   163
            return -1;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   164
        }
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   165
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   166
        if (EC_READ_U8(frame.data + 5) & 8) { // Written bit is high
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   167
            break;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   168
        }
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   169
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   170
        udelay(1000);
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   171
        tries_left--;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   172
    }
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   173
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   174
    if (!tries_left) {
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 80
diff changeset
   175
        EC_ERR("Mailbox check - Slave %i timed out.\n", slave->ring_position);
80
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   176
        return -1;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   177
    }
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   178
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   179
    ec_frame_init_nprd(&frame, master, slave->station_address, 0x18F6, 0xF6);
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   180
89
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
   181
    if (unlikely(ec_frame_send_receive(&frame) < 0)) {
e91ef35c36db Wiederholtes Senden, wenn keine Antwort.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
   182
        EC_ERR("Mailbox receiving failed on slave %i!\n",
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 80
diff changeset
   183
               slave->ring_position);
80
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   184
        return -1;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   185
    }
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   186
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   187
    if (EC_READ_U8 (frame.data + 5) != 0x03 || // COE
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   188
        EC_READ_U16(frame.data + 6) != 0x3000 || // SDO response
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   189
        EC_READ_U8 (frame.data + 8) >> 5 != 0x02 || // Upload response
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   190
        EC_READ_U16(frame.data + 9) != sdo_index || // Index
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   191
        EC_READ_U8 (frame.data + 11) != sdo_subindex) // Subindex
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   192
    {
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 80
diff changeset
   193
        EC_ERR("Illegal mailbox response at slave %i!\n",
80
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   194
               slave->ring_position);
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   195
        return -1;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   196
    }
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   197
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   198
    *value = EC_READ_U32(frame.data + 12);
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   199
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   200
    return 0;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   201
}
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   202
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   203
/*****************************************************************************/
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   204
91
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   205
/**
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   206
   Schweibt ein CANopen-SDO (Variante mit Angabe des Masters und der Adresse).
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   207
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   208
   Siehe EtherCAT_rt_canopen_sdo_write()
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   209
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   210
   \return 0 wenn alles ok, < 0 bei Fehler
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   211
 */
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   212
80
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   213
int EtherCAT_rt_canopen_sdo_addr_write(ec_master_t *master,
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   214
                                       /**< EtherCAT-Master */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   215
                                       const char *addr,
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   216
                                       /**< Addresse, siehe ec_address() */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   217
                                       uint16_t index,
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   218
                                       /**< SDO-Index */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   219
                                       uint8_t subindex,
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   220
                                       /**< SDO-Subindex */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   221
                                       uint32_t value,
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   222
                                       /**< Neuer Wert */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   223
                                       size_t size
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   224
                                       /**< Größe des Datenfeldes */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   225
                                       )
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   226
{
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   227
    ec_slave_t *slave;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   228
    if (!(slave = ec_address(master, addr))) return -1;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   229
    return EtherCAT_rt_canopen_sdo_write(slave, index, subindex, value, size);
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   230
}
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   231
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   232
/*****************************************************************************/
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   233
91
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   234
/**
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   235
   Liest ein CANopen-SDO (Variante mit Angabe des Masters und der Adresse).
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   236
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   237
   Siehe EtherCAT_rt_canopen_sdo_read()
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   238
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   239
   \return 0 wenn alles ok, < 0 bei Fehler
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   240
 */
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 90
diff changeset
   241
80
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   242
int EtherCAT_rt_canopen_sdo_addr_read(ec_master_t *master,
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   243
                                      /**< EtherCAT-Slave */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   244
                                      const char *addr,
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   245
                                      /**< Addresse, siehe ec_address() */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   246
                                      uint16_t index,
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   247
                                      /**< SDO-Index */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   248
                                      uint8_t subindex,
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   249
                                      /**< SDO-Subindex */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   250
                                      uint32_t *value
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   251
                                      /**< Speicher für gel. Wert */
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   252
                                      )
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   253
{
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   254
    ec_slave_t *slave;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   255
    if (!(slave = ec_address(master, addr))) return -1;
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   256
    return EtherCAT_rt_canopen_sdo_read(slave, index, subindex, value);
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   257
}
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   258
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   259
/*****************************************************************************/
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   260
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
EXPORT_SYMBOL(EtherCAT_rt_canopen_sdo_write);
80
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   262
EXPORT_SYMBOL(EtherCAT_rt_canopen_sdo_read);
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   263
EXPORT_SYMBOL(EtherCAT_rt_canopen_sdo_addr_write);
8cd08d73b560 CANopen SDO read implementiert.
Florian Pose <fp@igh-essen.com>
parents: 77
diff changeset
   264
EXPORT_SYMBOL(EtherCAT_rt_canopen_sdo_addr_read);
64
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
/*****************************************************************************/
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
/* Emacs-Konfiguration
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
;;; Local Variables: ***
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
;;; c-basic-offset:4 ***
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
;;; End: ***
ea6ccf12c612 CANopen over EtherCAT.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
*/