/* * Copyright (c) 2006-2025 RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2025-3-17 hywing first version */ #include #include #ifndef RT_USING_NANO #include #endif /* RT_USING_NANO */ /* defined the LED0 pin: PB4 */ #define LED0_PIN GET_PIN(B, 4) int main(void) { /* set LED0 pin mode to output */ rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT); rt_kprintf("Welcome to the world of IoT Stuff!\r\n"); while (1) { rt_pin_write(LED0_PIN, PIN_HIGH); rt_thread_mdelay(500); rt_pin_write(LED0_PIN, PIN_LOW); rt_thread_mdelay(500); } return RT_EOK; }