/* * Copyright (c) 2006-2022, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2021-08-27 Jiao first version * 2022-07-20 wudiyidashi support gpio */ #include #include "board.h" #define LED1 GET_PIN(D, 4) int main(void) { rt_pin_mode(LED1, PIN_MODE_OUTPUT); rt_pin_write(LED1, PIN_HIGH); while (1) { rt_pin_write(LED1, PIN_HIGH); rt_thread_mdelay(500); rt_pin_write(LED1, PIN_LOW); rt_thread_mdelay(500); } }