Separate INSTALL file.
/******************************************************************************
*
* e t h e r n e t . c
*
* Ethernet-over-EtherCAT (EoE)
*
* $Id$
*
* Copyright (C) 2006 Florian Pose, Ingenieurgemeinschaft IgH
*
* This file is part of the IgH EtherCAT Master.
*
* 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.
*
* The IgH EtherCAT Master is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* 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
*
*****************************************************************************/
#include "../include/ecrt.h"
#include "globals.h"
#include "master.h"
#include "slave.h"
#include "mailbox.h"
#include "ethernet.h"
/*****************************************************************************/
/**
\ingroup EoE
*/
void ec_eoe_init(ec_eoe_t *eoe, ec_slave_t *slave)
{
eoe->slave = slave;
eoe->rx_state = EC_EOE_IDLE;
}
/*****************************************************************************/
/**
\ingroup EoE
*/
void ec_eoe_clear(ec_eoe_t *eoe)
{
}
/*****************************************************************************/
/**
\ingroup EoE
*/
void ec_eoe_run(ec_eoe_t *eoe)
{
uint8_t *data;
ec_master_t *master;
size_t rec_size;
#if 0
unsigned int i;
uint8_t fragment_number;
uint8_t complete_size;
uint8_t frame_number;
uint8_t last_fragment;
#endif
master = eoe->slave->master;
if (eoe->rx_state == EC_EOE_IDLE) {
ec_slave_mbox_prepare_check(eoe->slave);
ec_master_queue_command(master, &eoe->slave->mbox_command);
eoe->rx_state = EC_EOE_CHECKING;
return;
}
if (eoe->rx_state == EC_EOE_CHECKING) {
if (eoe->slave->mbox_command.state != EC_CMD_RECEIVED) {
master->stats.eoe_errors++;
eoe->rx_state = EC_EOE_IDLE;
return;
}
if (!ec_slave_mbox_check(eoe->slave)) {
eoe->rx_state = EC_EOE_IDLE;
return;
}
ec_slave_mbox_prepare_fetch(eoe->slave);
ec_master_queue_command(master, &eoe->slave->mbox_command);
eoe->rx_state = EC_EOE_FETCHING;
return;
}
if (eoe->rx_state == EC_EOE_FETCHING) {
if (eoe->slave->mbox_command.state != EC_CMD_RECEIVED) {
master->stats.eoe_errors++;
eoe->rx_state = EC_EOE_IDLE;
return;
}
if (!(data = ec_slave_mbox_fetch(eoe->slave, 0x02, &rec_size))) {
master->stats.eoe_errors++;
eoe->rx_state = EC_EOE_IDLE;
return;
}
#if 0
fragment_number = EC_READ_U16(data + 2) & 0x003F;
complete_size = (EC_READ_U16(data + 2) >> 6) & 0x003F;
frame_number = (EC_READ_U16(data + 2) >> 12) & 0x0003;
last_fragment = (EC_READ_U16(data + 2) >> 15) & 0x0001;
EC_DBG("EOE %s received, fragment: %i, complete size: %i (0x%02X),"
" frame %i%s\n",
fragment_number ? "fragment" : "initiate", fragment_number,
(complete_size - 31) / 32, complete_size, frame_number,
last_fragment ? ", last fragment" : "");
EC_DBG("");
for (i = 0; i < rec_size - 2; i++) {
printk("%02X ", data[i + 2]);
if ((i + 1) % 16 == 0) {
printk("\n");
EC_DBG("");
}
}
printk("\n");
#endif
eoe->rx_state = EC_EOE_IDLE;
return;
}
}
/*****************************************************************************/
/**
\ingroup EoE
*/
void ec_eoe_print(const ec_eoe_t *eoe)
{
EC_INFO(" EoE slave %i\n", eoe->slave->ring_position);
EC_INFO(" RX State %i\n", eoe->rx_state);
}
/*****************************************************************************/