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/* See LICENSE file for copyright and license details. */
#include "libgamepad.h"
#include <assert.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#define GRAB_DEVICE 0
static struct libgamepad_device gamepad;
static void
sigint_handler(int signo)
{
(void) signo;
#if GRAB_DEVICE
if (libgamepad_ungrab(&gamepad))
perror("libgamepad_ungrab");
#endif
libgamepad_close_device(&gamepad);
exit(0);
}
int
main(int argc, char *argv[])
{
struct libgamepad_input_event event;
ssize_t r;
if (argc != 2) {
fprintf(stderr, "Please provide the path to the subdevice as the only command line argument\n");
return 1;
}
if (libgamepad_open_device(&gamepad, AT_FDCWD, argv[1], O_RDONLY)) {
perror("libgamepad_open_device");
return 1;
}
#if GRAB_DEVICE
if (libgamepad_grab(&gamepad))
perror("libgamepad_grab");
#endif
if (signal(SIGINT, sigint_handler) == SIG_ERR) {
perror("signal");
return 1;
}
for (;;) {
r = libgamepad_next_event(&gamepad, &event, 1);
if (r <= 0) {
if (!r || errno == EINTR)
continue;
perror("libgamepad_next_event");
return 1;
}
printf("[%lli.%06li] ", (long long int)event.time.tv_sec, event.time.tv_usec);
if (event.type == LIBGAMEPAD_BUTTON)
printf("%s %ji\n", libgamepad_get_button_name(NULL, event.code), (intmax_t)event.value);
else if (event.type == LIBGAMEPAD_ABSOLUTE_AXIS)
printf("%s %ji\n", libgamepad_get_absolute_axis_name(NULL, event.code), (intmax_t)event.value);
else if (event.type == LIBGAMEPAD_RELATIVE_AXIS)
printf("%s %ji\n", libgamepad_get_relative_axis_name(NULL, event.code), (intmax_t)event.value);
else if (event.type == LIBGAMEPAD_EVENT_DROP)
printf("event drop\n");
else if (event.type == LIBGAMEPAD_EVENT_END)
printf("event conclusion\n");
else
printf("unknown event\n");
}
}
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