1 /*
2  * Copyright (c) 2006-2021, RT-Thread Development Team
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author       Notes
8  * 2018-11-06     SummerGift   first version
9  */
10 
11 #include <rtthread.h>
12 #include <rtdevice.h>
13 #include <board.h>
14 
main(void)15 int main(void)
16 {
17     /* LED pin: PB13 */
18     rt_uint16_t led = rt_pin_get("PB.13");
19 
20     /* set LED pin mode to output */
21     rt_pin_mode(led, PIN_MODE_OUTPUT);
22 
23     while (1)
24     {
25         rt_pin_write(led, PIN_HIGH);
26         rt_thread_mdelay(500);
27         rt_pin_write(led, PIN_LOW);
28         rt_thread_mdelay(500);
29     }
30 
31     return RT_EOK;
32 }
33