立创梁山派-21年电赛F题-智能送药小车-按键检测的消抖和实现

#include <rtthread.h>

#include <rtdevice.h>

#include <board.h>

#include "multi_button.h"

#include "bsp_beep.h"



static struct button btn1;

static struct button btn2;

static struct button btn3;



#define KEY1_PIN GET_PIN(G, 11)

#define KEY2_PIN GET_PIN(G, 13)

#define KEY3_PIN GET_PIN(B, 3)



static uint8_t button1_read_pin(void) { return rt_pin_read(KEY1_PIN); }

static uint8_t button2_read_pin(void) { return rt_pin_read(KEY2_PIN); }

static uint8_t button3_read_pin(void) { return rt_pin_read(KEY3_PIN); }



void button1_callback(void *btn)

{

    uint32_t btn_event_val;



    btn_event_val = get_button_event((struct button *)btn);



    switch (btn_event_val)

    {

    case PRESS_DOWN:

        rt_kprintf("button1 press down\n");

        break;



    case PRESS_UP:

        rt_kprintf("button1 press up\n");

        break;



    case PRESS_REPEAT:

        rt_kprintf("button1 press repeat\n");

        break;



    case SINGLE_CLICK:

        beep(20);

        rt_kprintf("button1 single click\n");

        break;



    case DOUBLE_CLICK:

        rt_kprintf("button1 double click\n");

        break;



    case LONG_PRESS_START:

        rt_kprintf("button1 long press start\n");

        break;



    case LONG_PRESS_HOLD:

        rt_kprintf("button1 long press hold\n");

        break;

    }

}

void button2_callback(void *btn)

{

    uint32_t btn_event_val;



    btn_event_val = get_button_event((struct button *)btn);



    switch (btn_event_val)

    {

    case PRESS_DOWN:

        rt_kprintf("button2 press down\n");

        break;



    case PRESS_UP:

        rt_kprintf("button2 press up\n");

        break;



    case PRESS_REPEAT:

        rt_kprintf("button2 press repeat\n");

        break;



    case SINGLE_CLICK:

        beep(20);

        rt_kprintf("button2 single click\n");

        break;



    case DOUBLE_CLICK:

        rt_kprintf("button2 double click\n");

        break;



    case LONG_PRESS_START:

        rt_kprintf("button2 long press start\n");

        break;



    case LONG_PRESS_HOLD:

        rt_kprintf("button2 long press hold\n");

        break;

    }

}

void button3_callback(void *btn)

{

    uint32_t btn_event_val;



    btn_event_val = get_button_event((struct button *)btn);



    switch (btn_event_val)

    {

    case PRESS_DOWN:

        rt_kprintf("button3 press down\n");

        break;



    case PRESS_UP:

        rt_kprintf("button3 press up\n");

        break;



    case PRESS_REPEAT:

        rt_kprintf("button3 press repeat\n");

        break;



    case SINGLE_CLICK:

        beep(20);

        rt_kprintf("button3 single click\n");

        break;



    case DOUBLE_CLICK:

        rt_kprintf("button3 double click\n");

        break;



    case LONG_PRESS_START:

        rt_kprintf("button3 long press start\n");

        break;



    case LONG_PRESS_HOLD:

        rt_kprintf("button3 long press hold\n");

        break;

    }

}



void btn_thread_entry(void *p)

{

    while (1)

    {

        /* 5ms */

        rt_thread_delay(RT_TICK_PER_SECOND / 200);

        button_ticks();

    }

}



int multi_button_test(void)

{

    rt_thread_t thread = RT_NULL;



    /* Create background ticks thread */

    thread = rt_thread_create("btn", btn_thread_entry, RT_NULL, 2048, 20, 10);

    if (thread == RT_NULL)

    {

        return RT_ERROR;

    }

    rt_thread_startup(thread);



    /* low level drive */

    rt_pin_mode(KEY1_PIN,

                PIN_MODE_INPUT_PULLDOWN); /* set KEY pin mode to input */

    button_init(&btn1, button1_read_pin, PIN_HIGH);

    button_attach(&btn1, PRESS_DOWN, button1_callback);

    button_attach(&btn1, PRESS_UP, button1_callback);

    button_attach(&btn1, PRESS_REPEAT, button1_callback);

    button_attach(&btn1, SINGLE_CLICK, button1_callback);

    button_attach(&btn1, DOUBLE_CLICK, button1_callback);

    button_attach(&btn1, LONG_PRESS_START, button1_callback);

    button_attach(&btn1, LONG_PRESS_HOLD, button1_callback);

    button_start(&btn1);



    rt_pin_mode(KEY2_PIN,

                PIN_MODE_INPUT_PULLDOWN); /* set KEY pin mode to input */

    button_init(&btn2, button2_read_pin, PIN_HIGH);

    button_attach(&btn2, PRESS_DOWN, button2_callback);

    button_attach(&btn2, PRESS_UP, button2_callback);

    button_attach(&btn2, PRESS_REPEAT, button2_callback);

    button_attach(&btn2, SINGLE_CLICK, button2_callback);

    button_attach(&btn2, DOUBLE_CLICK, button2_callback);

    button_attach(&btn2, LONG_PRESS_START, button2_callback);

    button_attach(&btn2, LONG_PRESS_HOLD, button2_callback);

    button_start(&btn2);



    rt_pin_mode(KEY3_PIN,

                PIN_MODE_INPUT_PULLDOWN); /* set KEY pin mode to input */

    button_init(&btn3, button3_read_pin, PIN_HIGH);

    button_attach(&btn3, PRESS_DOWN, button3_callback);

    button_attach(&btn3, PRESS_UP, button3_callback);

    button_attach(&btn3, PRESS_REPEAT, button3_callback);

    button_attach(&btn3, SINGLE_CLICK, button3_callback);

    button_attach(&btn3, DOUBLE_CLICK, button3_callback);

    button_attach(&btn3, LONG_PRESS_START, button3_callback);

    button_attach(&btn3, LONG_PRESS_HOLD, button3_callback);

    button_start(&btn3);



    return RT_EOK;

}

INIT_APP_EXPORT(multi_button_test);

<pre class="ace-line ace-line old-record-id-PlC2d4o2MoGgXPxYv9Lc88BdnRh"><code class="language-C" data-wrap="false"><div>static void button_scan(void *arg)

{

    while (1)

    {

        rt_thread_mdelay(50);

        if (button_key0_read() == 1)

        {

            rt_thread_mdelay(50);

            if (button_key0_read() == 1)

            {

                medicine_state = 1;

            }

        }

        else

        {

            medicine_state = 0;

        }

    }

}</div></code></pre><div class="ace-line ace-line old-record-id-Hb4CdY0S0oZkodx9UP2crvtQn7b"></div>