1 /*
2  * Copyright (c) 2006-2022, RT-Thread Development Team
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author         Notes
8  * 2021-08-27     Jiao           first version
9  * 2022-07-20     wudiyidashi    support gpio
10  */
11 
12 #include <rtthread.h>
13 #include "board.h"
14 
15 #define LED1    GET_PIN(D, 4)
16 
main(void)17 int main(void)
18 
19 {
20         rt_pin_mode(LED1, PIN_MODE_OUTPUT);
21         rt_pin_write(LED1, PIN_HIGH);
22 
23     while (1)
24     {
25         rt_pin_write(LED1, PIN_HIGH);
26         rt_thread_mdelay(500);
27         rt_pin_write(LED1, PIN_LOW);
28         rt_thread_mdelay(500);
29     }
30 
31 }
32