void led_test(rt_uint32_t led_num, rt_uint32_t value) { rt_uint8_t led_value = value; rt_led_write(&led.parent, led_num, &led_value, 1); }
void led(rt_uint32_t led, rt_uint32_t value) { rt_uint8_t led_value = value; rt_led_write(&fm4_led.parent, led, &led_value, 1); }