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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include "input.h"
/* ------------------------------------------------------------------ */
char *EV_NAME[EV_MAX] = {
#include "EV.h"
};
char *REL_NAME[REL_MAX] = {
#include "REL.h"
};
char *KEY_NAME[KEY_MAX] = {
#include "KEY.h"
#include "BTN.h"
};
char *BUS_NAME[] = {
#include "BUS.h"
};
/* ------------------------------------------------------------------ */
int device_open(int nr, int verbose)
{
char filename[32];
int fd, version;
snprintf(filename,sizeof(filename),
"/dev/input/event%d",nr);
fd = open(filename,O_RDONLY);
if (-1 == fd) {
fprintf(stderr,"open %s: %s\n",
filename,strerror(errno));
return -1;
}
if (verbose)
fprintf(stderr,"%s\n",filename);
if (-1 == ioctl(fd,EVIOCGVERSION,&version)) {
perror("ioctl EVIOCGVERSION");
close(fd);
return -1;
}
if (EV_VERSION != version) {
fprintf(stderr, "protocol version mismatch (expected %d, got %d)\n",
EV_VERSION, version);
close(fd);
return -1;
}
return fd;
}
void device_info(int fd)
{
struct input_id id;
BITFIELD bits[32];
char buf[32];
int rc,bit;
rc = ioctl(fd,EVIOCGID,&id);
if (rc >= 0)
fprintf(stderr,
" bustype : %s\n"
" vendor : 0x%x\n"
" product : 0x%x\n"
" version : %d\n",
BUS_NAME[id.bustype],
id.vendor, id.product, id.version);
rc = ioctl(fd,EVIOCGNAME(sizeof(buf)),buf);
if (rc >= 0)
fprintf(stderr," name : \"%.*s\"\n",rc,buf);
rc = ioctl(fd,EVIOCGPHYS(sizeof(buf)),buf);
if (rc >= 0)
fprintf(stderr," phys : \"%.*s\"\n",rc,buf);
rc = ioctl(fd,EVIOCGUNIQ(sizeof(buf)),buf);
if (rc >= 0)
fprintf(stderr," uniq : \"%.*s\"\n",rc,buf);
rc = ioctl(fd,EVIOCGBIT(0,sizeof(bits)),bits);
if (rc >= 0) {
fprintf(stderr," bits ev :");
for (bit = 0; bit < rc*8 && bit < EV_MAX; bit++) {
if (test_bit(bit,bits))
fprintf(stderr," %s", EV_NAME[bit]);
}
fprintf(stderr,"\n");
}
fprintf(stderr,"\n");
}
/* ------------------------------------------------------------------ */
void print_event(struct input_event *event)
{
char ts[32];
time_t t;
t = event->time.tv_sec;
strftime(ts,sizeof(ts),"%H:%M:%S",localtime(&t));
fprintf(stderr,"%s.%06ld: %s",ts,event->time.tv_usec,
EV_NAME[event->type]);
switch (event->type) {
case EV_KEY:
fprintf(stderr," %s %s",
KEY_NAME[event->code],
event->value ? "pressed" : "released");
break;
case EV_REL:
fprintf(stderr," %s %d",
REL_NAME[event->code], event->value);
break;
default:
fprintf(stderr," code=%u value=%d",
(unsigned int)event->code, event->value);
}
fprintf(stderr,"\n");
}
/* ---------------------------------------------------------------------
* Local variables:
* c-basic-offset: 8
* End:
*/
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