Added debug interface for network monitors.
/******************************************************************************
*
* $Id$
*
* 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
*
*****************************************************************************/
/**
\file
EtherCAT command structure.
*/
/*****************************************************************************/
#ifndef _EC_COMMAND_H_
#define _EC_COMMAND_H_
#include <linux/list.h>
#include <linux/timex.h>
#include "globals.h"
/*****************************************************************************/
/**
EtherCAT command type.
*/
typedef enum
{
EC_CMD_NONE = 0x00, /**< Dummy */
EC_CMD_APRD = 0x01, /**< Auto-increment physical read */
EC_CMD_APWR = 0x02, /**< Auto-increment physical write */
EC_CMD_NPRD = 0x04, /**< Node-addressed physical read */
EC_CMD_NPWR = 0x05, /**< Node-addressed physical write */
EC_CMD_BRD = 0x07, /**< Broadcast read */
EC_CMD_BWR = 0x08, /**< Broadcast write */
EC_CMD_LRW = 0x0C /**< Logical read/write */
}
ec_command_type_t;
/**
EtherCAT command state.
*/
typedef enum
{
EC_CMD_INIT, /**< new command */
EC_CMD_QUEUED, /**< command queued by master */
EC_CMD_SENT, /**< command has been sent */
EC_CMD_RECEIVED, /**< command has been received */
EC_CMD_TIMEOUT, /**< command timed out */
EC_CMD_ERROR /**< error while sending/receiving */
}
ec_command_state_t;
/*****************************************************************************/
/**
EtherCAT address.
*/
typedef union
{
struct
{
uint16_t slave; /**< configured or autoincrement address */
uint16_t mem; /**< physical memory address */
}
physical; /**< physical address */
uint32_t logical; /**< logical address */
}
ec_address_t;
/*****************************************************************************/
/**
EtherCAT command.
*/
typedef struct
{
struct list_head list; /**< needed by domain command lists */
struct list_head queue; /**< master command queue item */
ec_command_type_t type; /**< command type (APRD, BWR, etc) */
ec_address_t address; /**< receipient address */
uint8_t *data; /**< command data */
size_t mem_size; /**< command \a data memory size */
size_t data_size; /**< size of the data in \a data */
uint8_t index; /**< command index (set by master) */
uint16_t working_counter; /**< working counter */
ec_command_state_t state; /**< command state */
cycles_t t_sent; /**< time, the commands was sent */
}
ec_command_t;
/*****************************************************************************/
void ec_command_init(ec_command_t *);
void ec_command_clear(ec_command_t *);
int ec_command_nprd(ec_command_t *, uint16_t, uint16_t, size_t);
int ec_command_npwr(ec_command_t *, uint16_t, uint16_t, size_t);
int ec_command_aprd(ec_command_t *, uint16_t, uint16_t, size_t);
int ec_command_apwr(ec_command_t *, uint16_t, uint16_t, size_t);
int ec_command_brd(ec_command_t *, uint16_t, size_t);
int ec_command_bwr(ec_command_t *, uint16_t, size_t);
int ec_command_lrw(ec_command_t *, uint32_t, size_t);
/*****************************************************************************/
#endif