#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/select.h>
#include <sys/time.h>
#include <errno.h>
#include <linux/input.h>
int main(void)
{
int buttons_fd
int key_value,i=0,count
struct input_event ev_key
buttons_fd = open("/dev/input/event0", O_RDWR)
if (buttons_fd <0) {
perror("open device buttons")
exit(1)
}
for () {
count = read(buttons_fd,&ev_key,sizeof(struct input_event))
for(i=0i<(int)count/sizeof(struct input_event)i++)
if(EV_KEY==ev_key.type)
printf("type:%d,code:%d,value:%d\n", ev_key.type,ev_key.code-1,ev_key.value)
if(EV_SYN==ev_key.type)
printf("syn event\n\n")
}
close(buttons_fd)
return 0
}
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