/* * Copyright (c) 2006-2022, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2021-08-20 BruceOu first implementation */ #include #include #include #include /* defined the LED1 pin: PD4 */ #define LED1_PIN GET_PIN(D, 4) int main(void) { int count = 1; /* set LED1 pin mode to output */ rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT); while (count++) { rt_pin_write(LED1_PIN, PIN_HIGH); rt_thread_mdelay(500); rt_pin_write(LED1_PIN, PIN_LOW); rt_thread_mdelay(500); } return RT_EOK; }