gpio_keys_input_test.c

ixp425 linux2.6 gpio 中断驱动及测试

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <linux/input.h>

int main( int argc, char *argv[] )
{
	int fd, i;
	struct input_event x;

	system("/bin/mknod /dev/event0 c 13 64");

	fd = open("/dev/event0", O_RDONLY);
	if( fd < 0 ) {
		perror("open");
		goto END;
	}
	for(;;) {

	printf("read gpio \n");
		if(read( fd, &x, sizeof(x))) {
			printf("------------------%d %d %d\n", x.type, x.code, x.value);
		}
	}

END:
	return 0;
}