#include "key.h"
#include "btn.h"

#define INVALID_BUTTON_TICKS 200 // 无效按键时间 毫秒
static uint32_t key_start_ticks = 0;
/* 按钮 */
struct Button key_1;
struct Button key_2;
struct Button key_3;
struct Button key_4;
struct Button key_5;
struct Button key_6;

static BOOL allow_condition(void)
{
    /**
     * key的初始化在LCD板子上电之前，因为是低电平有效，所以会误判为按键按下
     */
    if (sys_millis() - key_start_ticks < INVALID_BUTTON_TICKS) // 仿真的时候按键会有毛刺，在xx秒之后按下有效
    {
        return FALSE;
    }
    return TRUE;
}

static uint8_t read_button_gpio(button_id_e button_id)
{
    if (allow_condition() == FALSE)
    {
        return ACTIVE_LEVEL_HIGH;
    }
    switch (button_id)
    {
    case KEY_1:
        return GPIO_READ(KEY_1_GPIO_Port, KEY_1_Pin);

    default:
        return ACTIVE_LEVEL_LOW;
    }
}

static void key_1_press_down_handler(void *btn)
{
    key_1_callback(PRESS_DOWN);
}

void key_init(void)
{
    key_start_ticks = sys_millis();
    GPIO_SET_INPUT(KEY_1_GPIO_Port, KEY_1_Pin);

    button_init(&key_1, read_button_gpio, ACTIVE_LEVEL_LOW, KEY_1, KEY_1);

    button_attach(&key_1, PRESS_DOWN, key_1_press_down_handler);

    button_start(&key_1);
}