/* * Copyright (C) 2018 Shanghai Eastsoft Microelectronics Co., Ltd. * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2019-03-01 wangyq the first version */ #include #include #define LED_PIN 53 int main(void) { int count = 1; /* set PC12 pin mode to output */ rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT); while (count++) { rt_pin_write(LED_PIN, PIN_HIGH); rt_thread_mdelay(500); rt_pin_write(LED_PIN, PIN_LOW); rt_thread_mdelay(500); } return RT_EOK; }