/* * Copyright (c) 2006-2022, RT-Thread Development Team * Copyright (c) 2022, Xiaohua Semiconductor Co., Ltd. * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2022-04-28 CDT first version */ #include #include #include /* defined the LED_GREEN pin: PD4 */ #define LED_GREEN_PIN GET_PIN(D, 4) int main(void) { /* set LED_GREEN_PIN pin mode to output */ rt_pin_mode(LED_GREEN_PIN, PIN_MODE_OUTPUT); while (1) { rt_pin_write(LED_GREEN_PIN, PIN_HIGH); rt_thread_mdelay(500); rt_pin_write(LED_GREEN_PIN, PIN_LOW); rt_thread_mdelay(500); } }