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/****************************************************************************
** hw_irman.c **********************************************************
****************************************************************************
*
* routines for Irman
*
* Copyright (C) 1999 Christoph Bartelmus <lirc@bartelmus.de>
*
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifndef LIRC_IRTTY
#define LIRC_IRTTY "/dev/ttyS0"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <limits.h>
#include <signal.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <irman.h>
#include "lirc_driver.h"
#include "lirc/serial.h"
static const logchannel_t logchannel = LOG_DRIVER;
unsigned char* codestring;
struct timeval start, end, last;
lirc_t gap;
ir_code code;
#define CODE_LENGTH 64
//Forwards:
static int irman_decode(struct ir_remote* remote, struct decode_ctx_t* ctx);
static int irman_init(void);
static int irman_deinit(void);
static char* irman_rec(struct ir_remote* remotes);
const struct driver hw_irman = {
.name = "irman",
.device = LIRC_IRTTY,
.features = LIRC_CAN_REC_LIRCCODE,
.send_mode = 0,
.rec_mode = LIRC_MODE_LIRCCODE,
.code_length = CODE_LENGTH,
.init_func = irman_init,
.deinit_func = irman_deinit,
.open_func = default_open,
.close_func = default_close,
.send_func = NULL,
.rec_func = irman_rec,
.decode_func = irman_decode,
.drvctl_func = NULL,
.readdata = NULL,
.api_version = 3,
.driver_version = "0.9.3",
.info = "See file://" PLUGINDOCS "/irman.html",
.device_hint = "/dev/tty[0-9]*",
};
const struct driver* hardwares[] = { &hw_irman, (const struct driver*)NULL };
int irman_decode(struct ir_remote* remote, struct decode_ctx_t* ctx)
{
if (!map_code(remote, ctx, 0, 0, CODE_LENGTH, code, 0, 0))
return 0;
map_gap(remote, ctx, &start, &last, 0);
return 1;
}
int irman_init(void)
{
if (!tty_create_lock(drv.device)) {
logprintf(LIRC_ERROR, "could not create lock files");
return 0;
}
drv.fd = ir_init((char*)drv.device);
if (drv.fd < 0) {
logprintf(LIRC_ERROR, "could not open %s", drv.device);
logperror(LIRC_ERROR, "irman_init()");
tty_delete_lock();
return 0;
}
return 1;
}
int irman_deinit(void)
{
ir_finish();
sleep(1); /* give hardware enough time to reset */
close(drv.fd);
tty_delete_lock();
return 1;
}
char* irman_rec(struct ir_remote* remotes)
{
static char* text = NULL;
int i;
last = end;
gettimeofday(&start, NULL);
codestring = ir_get_code();
gettimeofday(&end, NULL);
if (codestring == NULL) {
if (errno == IR_EDUPCODE) {
log_debug("received \"%s\" (dup)", text ? text : "(null - bug)");
} else if (errno == IR_EDISABLED) {
log_debug("irman not initialised (this is a bug)");
} else {
log_debug("error reading code: \"%s\"", ir_strerror(errno));
}
if (errno == IR_EDUPCODE)
return decode_all(remotes);
return NULL;
}
text = ir_code_to_text(codestring);
log_debug("received \"%s\"", text);
/* this is only historical but it's necessary for
* compatibility to older versions and it's handy to
* recognize Irman config files */
code = 0xffff;
for (i = 0; i < IR_CODE_LEN; i++) {
code = code << 8;
code = code | (ir_code)(unsigned char)codestring[i];
}
return decode_all(remotes);
}
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