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  * 2025-08-04     hydevcode       first version
9  */
10 #include "rtthread.h"
11 #include <rtdevice.h>
12 
13 #define LED_PIN 25
14 
main()15 int main() {
16 
17     rt_kprintf("Hello, RT-Thread!\n");
18 
19     rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);
20 
21     while (1)
22     {
23         rt_pin_write(LED_PIN, 1);
24         rt_thread_mdelay(1000);
25         rt_pin_write(LED_PIN, 0);
26         rt_thread_mdelay(1000);
27     }
28     return 0;
29 
30 }