[开发工具] 2020年STM32全国研讨会活动开发板收到了--点灯

#include <rtthread.h>

#include <rtdevice.h>

#define DBG_TAG "main"

#define DBG_LVL DBG_LOG

#include <rtdbg.h>



#define LED_PIN 5



int led_init(void)

{

    /* 设定 LED 引脚为推挽输出模式 */

    rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);

    return 0;

}



int led_toggle(void)

{

    /* 调用 API 读出当前电平 然后输出相反电平 */

    rt_pin_write(LED_PIN, !rt_pin_read(LED_PIN));

    return 0;

}



int main(void)

{

    int count = 1;

    led_init();

    while (count++)

    {

 //       LOG_D("Hello RT-Thread!");

        rt_kprintf("Hello RT-Thread!\n");

        rt_thread_mdelay(1000);

        led_toggle();

    }



    return RT_EOK;

}

#include <rtthread.h>

#include <rtdevice.h>

#define DBG_TAG "main"

#define DBG_LVL DBG_LOG

#include <rtdbg.h>



#define LED_PIN 5

#define KEY_PIN 45

int led_init(void)

{

    /* 设定 LED 引脚为推挽输出模式 */

    rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);

    return 0;

}



int led_toggle(void)

{

    /* 调用 API 读出当前电平 然后输出相反电平 */

    rt_pin_write(LED_PIN, !rt_pin_read(LED_PIN));

    return 0;

}



int key_init(void)

{

//默认是低电平，按下是高电平

    rt_pin_mode(KEY_PIN, PIN_MODE_INPUT);

    return 0;

}



int main(void)

{

    int count = 1;

    int val=0;

    led_init();

    key_init();

    while (count++)

    {

       rt_kprintf("Hello RT-Thread!\n");

       rt_thread_mdelay(1000);

       val=rt_pin_read(KEY_PIN);

       rt_kprintf("key=%d\n",val);

       led_toggle();





    }



    return RT_EOK;

}