问原始键盘输入

EN

$ cat /sys/class/input/input24/name
Logitech K360

#include <unistd.h>
#include <stdio.h>

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#include <linux/input.h>

/*
struct input_event {
struct timeval time;
__u16 type;
__u16 code;
__s32 value;
};
*/

int main() {
  int fd = open("/dev/input/event0", O_RDONLY);
  struct input_event evt;
  while(1) {
    read(fd,&evt,sizeof(evt));
    printf("Event: type=%hd code=%hd value=%08x=%d\n",evt.type,evt.code,evt.value,evt.value);
  }
}