1 /*
2  * Copyright (c) 2022-2025, RT-Thread Development Team
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author       Notes
8  * 2025-01-22     chasel   first version
9  */
10 
11 #include <rtthread.h>
12 #include <rtdevice.h>
13 #include "hal_rcc.h"
14 #include "hal_gpio.h"
15 
16 #define LED1_PIN    31
17 #define LED2_PIN    30
18 
main(void)19 int main(void)
20 {
21     /* set LED1 pin mode to output */
22     rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);
23 
24     /* set LED2 pin mode to output */
25     rt_pin_mode(LED2_PIN, PIN_MODE_OUTPUT);
26 
27     while (1) {
28         rt_pin_write(LED1_PIN, PIN_HIGH);
29         rt_pin_write(LED2_PIN, PIN_HIGH);
30         rt_thread_mdelay(500);
31         rt_pin_write(LED1_PIN, PIN_LOW);
32         rt_pin_write(LED2_PIN, PIN_LOW);
33         rt_thread_mdelay(500);
34     }
35 
36     return RT_EOK;
37 }
38 
39