/* * Copyright (c) 2006-2018, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2019-09-17 tyustli first version */#include <rtthread.h>#include <rtdevice.h>#include <board.h>/* defined the LED0 pin: PB7 */#define LED0_PIN GET_PIN(B, 7)intmain(void){intcount=1;/* set LED0 pin mode to output */rt_pin_mode(LED0_PIN,PIN_MODE_OUTPUT);while(count++){rt_pin_write(LED0_PIN,PIN_HIGH);rt_thread_mdelay(500);rt_pin_write(LED0_PIN,PIN_LOW);rt_thread_mdelay(500);}returnRT_EOK;}