/* * Copyright (c) 2006-2023, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2015-07-29 Arda.Fu first implementation */ #include #include #include /* defined the LED1 pin: PB5 */ #define LED1_NAME "PB.5" rt_base_t led1_pin; int main(void) { uint32_t Speed = 200; /* get LED1 pin id by name */ led1_pin = rt_pin_get(LED1_NAME); /* set LED1 pin mode to output */ rt_pin_mode(led1_pin, PIN_MODE_OUTPUT); while (1) { rt_pin_write(led1_pin, PIN_LOW); rt_thread_mdelay(Speed); rt_pin_write(led1_pin, PIN_HIGH); rt_thread_mdelay(Speed); } }