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/* $Id: hw_irman.c,v 5.13 2010/04/11 18:50:38 lirc Exp $ */
/****************************************************************************
** 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 <sys/ioctl.h>
#include <irman.h>
#include "hardware.h"
#include "serial.h"
#include "ir_remote.h"
#include "lircd.h"
#include "hw_irman.h"
extern struct ir_remote *repeat_remote, *last_remote;
unsigned char *codestring;
struct timeval start, end, last;
lirc_t gap;
ir_code code;
#define CODE_LENGTH 64
struct hardware hw_irman = {
LIRC_IRTTY, /* default device */
-1, /* fd */
LIRC_CAN_REC_LIRCCODE, /* features */
0, /* send_mode */
LIRC_MODE_LIRCCODE, /* rec_mode */
CODE_LENGTH, /* code_length */
irman_init, /* init_func */
irman_deinit, /* deinit_func */
NULL, /* send_func */
irman_rec, /* rec_func */
irman_decode, /* decode_func */
NULL, /* ioctl_func */
NULL, /* readdata */
"irman"
};
int irman_decode(struct ir_remote *remote, ir_code * prep, ir_code * codep, ir_code * postp, int *repeat_flagp,
lirc_t * min_remaining_gapp, lirc_t * max_remaining_gapp)
{
if (!map_code(remote, prep, codep, postp, 0, 0, CODE_LENGTH, code, 0, 0)) {
return 0;
}
map_gap(remote, &start, &last, 0, repeat_flagp, min_remaining_gapp, max_remaining_gapp);
return (1);
}
int irman_init(void)
{
if (!tty_create_lock(hw.device)) {
logprintf(LOG_ERR, "could not create lock files");
return (0);
}
if ((hw.fd = ir_init(hw.device)) < 0) {
logprintf(LOG_ERR, "could not open %s", hw.device);
logperror(LOG_ERR, "irman_init()");
tty_delete_lock();
return (0);
}
return (1);
}
int irman_deinit(void)
{
ir_finish();
sleep(1); /* give hardware enough time to reset */
close(hw.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) {
# ifdef DEBUG
if (errno == IR_EDUPCODE) {
LOGPRINTF(1, "received \"%s\" (dup)", text ? text : "(null - bug)");
} else if (errno == IR_EDISABLED) {
LOGPRINTF(1, "irman not initialised (this is a bug)");
} else {
LOGPRINTF(1, "error reading code: \"%s\"", ir_strerror(errno));
}
# endif
if (errno == IR_EDUPCODE) {
return decode_all(remotes);
}
return NULL;
}
text = ir_code_to_text(codestring);
LOGPRINTF(1, "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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