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/****************************************************************************
** hw_devinput.c ***********************************************************
****************************************************************************
*
* receive keycodes input via /dev/input/...
*
* Copyright (C) 2002 Oliver Endriss <o.endriss@gmx.de>
*
* Distribute under GPL version 2 or later.
*
*/
/*
TODO:
- use more than 32 bits (?)
CB
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <sys/fcntl.h>
#include <linux/input.h>
#include "hardware.h"
#include "ir_remote.h"
#include "lircd.h"
#include "receive.h"
static int devinput_init();
static int devinput_deinit(void);
static int devinput_decode(struct ir_remote *remote,
ir_code *prep, ir_code *codep, ir_code *postp,
int *repeat_flagp, lirc_t *remaining_gapp);
static char *devinput_rec(struct ir_remote *remotes);
struct hardware hw_devinput=
{
"/dev/input/event0", /* "device" */
-1, /* fd (device) */
LIRC_CAN_REC_LIRCCODE, /* features */
0, /* send_mode */
LIRC_MODE_LIRCCODE, /* rec_mode */
32, /* code_length */
devinput_init, /* init_func */
NULL, /* config_func */
devinput_deinit, /* deinit_func */
NULL, /* send_func */
devinput_rec, /* rec_func */
devinput_decode, /* decode_func */
NULL, /* readdata */
"dev/input"
};
static ir_code code;
static int repeat_flag=0;
int devinput_init()
{
logprintf(LOG_INFO, "initializing '%s'", hw.device);
if ((hw.fd = open(hw.device, O_RDONLY)) < 0) {
logprintf(LOG_ERR, "unable to open '%s'", hw.device);
return 0;
}
#ifdef EVIOCGRAB
if (ioctl(hw.fd, EVIOCGRAB, 1) == -1)
{
logprintf(LOG_WARNING, "can't get exclusive access to events "
"comming from `%s' interface",
hw.device);
}
#endif
return 1;
}
int devinput_deinit(void)
{
logprintf(LOG_INFO, "closing '%s'", hw.device);
close(hw.fd);
hw.fd=-1;
return 1;
}
int devinput_decode(struct ir_remote *remote,
ir_code *prep, ir_code *codep, ir_code *postp,
int *repeat_flagp, lirc_t *remaining_gapp)
{
logprintf(LOG_DEBUG, "devinput_decode");
if(!map_code(remote,prep,codep,postp,
0,0,hw_devinput.code_length,code,0,0))
{
return(0);
}
*repeat_flagp = repeat_flag;
*remaining_gapp = 0;
return 1;
}
char *devinput_rec(struct ir_remote *remotes)
{
struct input_event event;
int rd;
logprintf(LOG_DEBUG, "devinput_rec");
rd = read(hw.fd, &event, sizeof event);
if (rd != sizeof event) {
logprintf(LOG_ERR, "error reading '%s'", hw.device);
return 0;
}
logprintf(LOG_DEBUG, "time %ld.%06ld type %d code %d value %d",
event.time.tv_sec, event.time.tv_usec,
event.type, event.code, event.value);
code = event.value ? 0x80000000 : 0;
code |= ((event.type & 0x7fff) << 16);
code |= event.code;
repeat_flag = (event.value == 2) ? 1:0;
logprintf(LOG_DEBUG, "code %.8llx", code);
return decode_all(remotes);
}
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