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  * 2021-01-28     flybreak       first version
9  */
10 
11 #include <rtthread.h>
12 #include <rtdevice.h>
13 
14 #define LED_PIN 25
15 
main(void)16 int main(void)
17 {
18     rt_kprintf("Hello, RT-Thread!\n");
19 
20     rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);
21 
22     while (1)
23     {
24         rt_pin_write(LED_PIN, 1);
25         rt_thread_mdelay(1000);
26         rt_pin_write(LED_PIN, 0);
27         rt_thread_mdelay(1000);
28     }
29 }
30 
31