/* * Copyright (c) 2006-2020, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2020-04-24 luhuadong first version */ #include #include #include /* defined the LD4 pin: PB13 */ #define LD4_PIN GET_PIN(B, 13) int main(void) { int count = 1; /* set LD4 pin mode to output */ rt_pin_mode(LD4_PIN, PIN_MODE_OUTPUT); while (count++) { rt_pin_write(LD4_PIN, PIN_HIGH); rt_thread_mdelay(500); rt_pin_write(LD4_PIN, PIN_LOW); rt_thread_mdelay(500); } return RT_EOK; }