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 * 2022-05-16 shelton first version
9 */
10
11 #include <rtthread.h>
12 #include <rtdevice.h>
13 #include "drv_common.h"
14 #include "drv_gpio.h"
15
16 /* defined the led2 pin: pd13 */
17 #define LED2_PIN GET_PIN(D, 13)
18 /* defined the led3 pin: pd14 */
19 #define LED3_PIN GET_PIN(D, 14)
20 /* defined the led4 pin: pd15 */
21 #define LED4_PIN GET_PIN(D, 15)
22
main(void)23 int main(void)
24 {
25 rt_uint32_t speed = 200;
26 /* set led2 pin mode to output */
27 rt_pin_mode(LED2_PIN, PIN_MODE_OUTPUT);
28 /* set led3 pin mode to output */
29 rt_pin_mode(LED3_PIN, PIN_MODE_OUTPUT);
30 /* set led4 pin mode to output */
31 rt_pin_mode(LED4_PIN, PIN_MODE_OUTPUT);
32
33 while (1)
34 {
35 rt_pin_write(LED2_PIN, PIN_LOW);
36 rt_thread_mdelay(speed);
37 rt_pin_write(LED3_PIN, PIN_LOW);
38 rt_thread_mdelay(speed);
39 rt_pin_write(LED4_PIN, PIN_LOW);
40 rt_thread_mdelay(speed);
41 rt_pin_write(LED2_PIN, PIN_HIGH);
42 rt_thread_mdelay(speed);
43 rt_pin_write(LED3_PIN, PIN_HIGH);
44 rt_thread_mdelay(speed);
45 rt_pin_write(LED4_PIN, PIN_HIGH);
46 rt_thread_mdelay(speed);
47 }
48 }
49