/* * Copyright (c) 2006-2021, YICHIP Technology Co.,Ltd. * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2021-09-09 WSY first version */ #include #include /* defined the LED pin: PA12 */ #define LED_PIN 2 int main(void) { int count = 1; /* set LED4 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; }