#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/event1", 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=0; i<(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;}
转载于:https://www.cnblogs.com/liushuhe1990/p/9609000.html
