prueba_led_toggle

main.c

@@ -17,12 +17,19 @@ int main(int argc, char *argv[]){
 	fd= open("/sys/class/gpio/chip0/gpio17/value",O_WRONLY);
 	write(fd,"1",1);
 	close(fd);
+	sleep(1);
+	//pin value
+	fd= open("/sys/class/gpio/chip0/gpio17/value",O_WRONLY);
+	write(fd,"0",1);
+	close(fd);
+	sleep(1);
 
 	//unexport
 	fd= open("/sys/class/gpio/chip0/unexport",O_WRONLY);
 	write(fd,"17",2);
 	close(fd);
 	
+
 	printf("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n");
 	printf("Number of arguments: %d\n",argc);
 	printf("Program is reciving: %s\n", argv[0]);