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/* This is a component of LinuxCNC
* Copyright 2013,2014 Michael Geszkiewicz <micges@wp.pl>,
* Jeff Epler <jepler@unpythonic.net>
*
* This program 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __INCLUDE_HM2_ETH_H
#define __INCLUDE_HM2_ETH_H
#include "lbp16.h"
#define MAX_ETH_BOARDS 4
#define HM2_ETH_VERSION "0.2"
#define HM2_LLIO_NAME "hm2_eth"
#define MAX_ETH_READS 64
typedef struct {
void *buffer;
int size;
int from;
} hm2_read_queue_entry_t;
typedef struct {
hm2_lowlevel_io_t llio;
int sockfd;
struct sockaddr_in local_addr;
struct sockaddr_in server_addr;
rtapi_u8 read_packet[1400];
rtapi_u8 *read_packet_ptr;
hm2_read_queue_entry_t queue_reads[MAX_ETH_READS];
int queue_reads_count;
int queue_buff_size;
rtapi_u8 write_packet[1400];
rtapi_u8 *write_packet_ptr;
int write_packet_size;
uint32_t read_cnt, write_cnt;
// these two fields must be kept together, they're read by a single
// read-request
uint32_t confirm_read_cnt, confirm_write_cnt;
int comm_error_counter;
uint16_t old_rxudpcount, rxudpcount;
struct arpreq req;
struct {
hal_s32_t read_timeout;
hal_s32_t packet_error_limit;
hal_s32_t packet_error_increment;
hal_s32_t packet_error_decrement;
hal_bit_t *packet_error;
hal_u32_t *packet_error_total;
hal_s32_t *packet_error_level;
hal_bit_t *packet_error_exceeded;
} *hal;
} hm2_eth_t;
#endif
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