/* * Copyright (c) 2006-2022, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2022-10-19 Nations first version */ #include <rtthread.h> #include <rtdevice.h> #include <board.h> /* defined the LED3 pin: PB5 */ #define LED3_PIN GET_PIN(B, 5) int main (void) { /* set LED3 pin mode to output */ rt_pin_mode(LED3_PIN, PIN_MODE_OUTPUT); while (1) { rt_pin_write(LED3_PIN, PIN_HIGH); rt_thread_mdelay(500); rt_pin_write(LED3_PIN, PIN_LOW); rt_thread_mdelay(500); } }