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/*
* Support for builtin key panel and remote control on
* AOpen XC Cube EA65, EA65-II
*
* Copyright (C) 2004 Max Krasnyansky <maxk@qualcomm.com>
*
* 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 Library 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.
*
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifndef LIRC_IRTTY
#define LIRC_IRTTY "/dev/ttyS1"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <fcntl.h>
#include <unistd.h>
#include <limits.h>
#include <signal.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "lirc_driver.h"
#include "lirc/serial.h"
#define TIMEOUT 60000
#define CODE_LENGTH 24
static const logchannel_t logchannel = LOG_DRIVER;
struct timeval start, end, last;
ir_code code;
//Forwards:
static int ea65_decode(struct ir_remote* remote, struct decode_ctx_t* ctx);
static int ea65_init(void);
static int ea65_release(void);
static char* ea65_receive(struct ir_remote* remote);
const struct driver hw_ea65 = {
.name = "ea65",
.device = LIRC_IRTTY,
.features = LIRC_CAN_REC_LIRCCODE,
.send_mode = 0,
.rec_mode = LIRC_MODE_LIRCCODE,
.code_length = CODE_LENGTH,
.init_func = ea65_init,
.deinit_func = ea65_release,
.open_func = default_open,
.close_func = default_close,
.send_func = NULL,
.rec_func = ea65_receive,
.decode_func = ea65_decode,
.drvctl_func = NULL,
.readdata = NULL,
.api_version = 3,
.driver_version = "0.10.2",
.info = "No info available",
.device_hint = "/dev/tty[0-9]*",
};
const struct driver* hardwares[] = { &hw_ea65, (const struct driver*)NULL };
int ea65_decode(struct ir_remote* remote, struct decode_ctx_t* ctx)
{
lirc_t d = 0;
if (!map_code(remote, ctx, 0, 0, CODE_LENGTH, code, 0, 0))
return 0;
if (start.tv_sec - last.tv_sec >= 2) {
ctx->repeat_flag = 0;
} else {
d = (start.tv_sec - last.tv_sec) * 1000000 + start.tv_usec - last.tv_usec;
if (d < 960000)
ctx->repeat_flag = 1;
else
ctx->repeat_flag = 0;
}
ctx->min_remaining_gap = 0;
ctx->max_remaining_gap = 0;
return 1;
}
int ea65_init(void)
{
log_info("EA65: device %s", drv.device);
if (!tty_create_lock(drv.device)) {
log_error("EA65: could not create lock files");
return 0;
}
drv.fd = open(drv.device, O_RDWR | O_NONBLOCK | O_NOCTTY);
if (drv.fd < 0) {
log_error("EA65: could not open %s", drv.device);
tty_delete_lock();
return 0;
}
if (!tty_reset(drv.fd)) {
log_error("EA65: could not reset tty");
ea65_release();
return 0;
}
if (!tty_setbaud(drv.fd, 9600)) {
log_error("EA65: could not set baud rate");
ea65_release();
return 0;
}
return 1;
}
int ea65_release(void)
{
close(drv.fd);
tty_delete_lock();
return 1;
}
char* ea65_receive(struct ir_remote* remote)
{
uint8_t data[5];
int r;
last = end;
gettimeofday(&start, NULL);
if (!waitfordata(TIMEOUT)) {
log_error("EA65: timeout reading code data");
return NULL;
}
r = read(drv.fd, data, sizeof(data));
if (r < 4) {
log_error("EA65: read failed. %s(%d)", strerror(r), r);
return NULL;
}
log_trace("EA65: data(%d): %02x %02x %02x %02x %02x", r, data[0], data[1], data[2], data[3], data[4]);
if (data[0] != 0xa0)
return NULL;
switch (data[1]) {
case 0x01:
if (r < 5)
return NULL;
code = (data[2] << 16) | (data[3] << 8) | data[4];
break;
case 0x04:
code = (0xff << 16) | (data[2] << 8) | data[3];
break;
}
log_info("EA65: receive code: %llx", (uint64_t)code);
gettimeofday(&end, NULL);
return decode_all(remote);
}
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