#include "ak517.h"

#ifdef USE_AK517

/* 0: 未播放; 1: 正在播放 */
static uint8_t ak517_status = 0; /* 播放状态(模块) */
static uint8_t ak517_play_status = 0; /* 播放状态(用户) */

static uint8_t ak517_send_count = 0;

static uint8_t ak517_status_stop_try_count = 0;
static uint8_t ak517_status_playing_try_count = 0;

static uint8_t ak517_door_opening_warning_task_uuid = 0;
static uint8_t ak517_left_turn_warning_task_uuid = 0;
static uint8_t ak517_right_turn_warning_task_uuid = 0;
static uint8_t ak517_reverse_warning_task_uuid = 0;
static uint8_t ak517_arrival_warning_task_uuid = 0;
static uint8_t ak517_departure_warning_task_uuid = 0;
static uint8_t ak517_please_note_that_task_uuid = 0;

static void ak517_door_opening_warning_task(uint8_t uuid);
static void ak517_left_turn_warning_task(uint8_t uuid);
static void ak517_right_turn_warning_task(uint8_t uuid);
static void ak517_reverse_warning_task(uint8_t uuid);
static void ak517_arrival_warning_task(uint8_t uuid);
static void ak517_departure_warning_task(uint8_t uuid);
static void ak517_please_note_that_task(uint8_t uuid);
static void ak517_status_parsing_task(uint8_t uuid);

void ak517_init(void)
{
    /* 创建任务, 并挂起 */
    ak517_door_opening_warning_task_uuid = task_create(ak517_door_opening_warning_task, 200);
    task_suspend(ak517_door_opening_warning_task_uuid);

    ak517_left_turn_warning_task_uuid = task_create(ak517_left_turn_warning_task, 200);
    task_suspend(ak517_left_turn_warning_task_uuid);

    ak517_right_turn_warning_task_uuid = task_create(ak517_right_turn_warning_task, 200);
    task_suspend(ak517_right_turn_warning_task_uuid);

    ak517_reverse_warning_task_uuid = task_create(ak517_reverse_warning_task, 200);
    task_suspend(ak517_reverse_warning_task_uuid);

    ak517_arrival_warning_task_uuid = task_create(ak517_arrival_warning_task, 200);
    task_suspend(ak517_arrival_warning_task_uuid);

    ak517_departure_warning_task_uuid = task_create(ak517_departure_warning_task, 200);
    task_suspend(ak517_departure_warning_task_uuid);

    ak517_please_note_that_task_uuid = task_create(ak517_please_note_that_task, 100);
    task_suspend(ak517_please_note_that_task_uuid);

    task_create(ak517_status_parsing_task, 10);
}

void ak517_send_pulse(uint8_t count)
{
    for (uint8_t i = 0; i < count; i++)
    {
        gpio_bit_write(AK517_TG1_PERIPH, AK517_TG1_PIN, SET);
        delay_us(100);
        gpio_bit_write(AK517_TG1_PERIPH, AK517_TG1_PIN, RESET);
        delay_us(100);
    }
}

/**
 * @brief 音量 +
 */
void ak517_volume_up(void)
{
    ak517_send_pulse(2);
}

/**
 * @brief 音量 -
 */
void ak517_volume_down(void)
{
    ak517_send_pulse(3);
}

/**
 * @brief 停止播放
 */
void ak517_stop(void)
{
    /* 停止 */
    ak517_send_pulse(1);

    delay_ms(100);

    ak517_play_status = 0;

    /* 挂起任务 */
    task_suspend(ak517_door_opening_warning_task_uuid);
    task_suspend(ak517_left_turn_warning_task_uuid);
    task_suspend(ak517_right_turn_warning_task_uuid);
    task_suspend(ak517_reverse_warning_task_uuid);
    task_suspend(ak517_arrival_warning_task_uuid);
    task_suspend(ak517_departure_warning_task_uuid);
    task_suspend(ak517_please_note_that_task_uuid);
}

/**
 * @brief 开门预警
 */
void ak517_door_opening_warning(void)
{    
    task_resume(ak517_door_opening_warning_task_uuid);
}

void ak517_left_turn_warning(void)
{
    task_resume(ak517_left_turn_warning_task_uuid);
}

void ak517_right_turn_warning(void)
{
    task_resume(ak517_right_turn_warning_task_uuid);
}

void ak517_reverse_warning(void)
{
    task_resume(ak517_reverse_warning_task_uuid);
}

void ak517_arrival_warning(void)
{
    task_resume(ak517_arrival_warning_task_uuid);
}

void ak517_departure_warning(void)
{
    //task_resume(ak517_status_parsing_task_uuid);
}

void ak517_please_note_that(void)
{
    /* 开始任务 */
    task_resume(ak517_please_note_that_task_uuid);
}

static void ak517_door_opening_warning_task(uint8_t uuid)
{
    /* 默认以200ms间隔检测 */
    task_set_frequency(uuid, 200);

    /* 未播放语音 */
    if(ak517_status == 0)
    {
        if(ak517_play_status == 0)
        {
            /* 车辆上下客，请勿靠近 */
            ak517_send_pulse(7);
        
            /* 正在播放, 此时 模块状态 应为 1 */
            ak517_play_status = 1;
        }
        else
        {
            /* 未播放 */
            ak517_play_status = 0;

            task_set_frequency(uuid, 2000);
        }
    }
}

static void ak517_left_turn_warning_task(uint8_t uuid)
{
    /* 默认以200ms间隔检测 */
    task_set_frequency(uuid, 200);

    /* 未播放语音 */
    if(ak517_status == 0)
    {
        if(ak517_play_status == 0)
        {
            /* 车辆左转，请注意避让 */
            ak517_send_pulse(9);
        
            /* 正在播放, 此时 模块状态 应为 1 */
            ak517_play_status = 1;
        }
        else
        {
            /* 未播放 */
            ak517_play_status = 0;

            task_set_frequency(uuid, 2000);
        }
    }
}

void ak517_right_turn_warning_task(uint8_t uuid)
{
    /* 默认以200ms间隔检测 */
    task_set_frequency(uuid, 200);

    /* 未播放语音 */
    if(ak517_status == 0)
    {
        if(ak517_play_status == 0)
        {
            /* 车辆右转，请注意避让 */
            ak517_send_pulse(8);
        
            /* 正在播放, 此时 模块状态 应为 1 */
            ak517_play_status = 1;
        }
        else
        {
            /* 未播放 */
            ak517_play_status = 0;

            task_set_frequency(uuid, 2000);
        }
    }
}

void ak517_reverse_warning_task(uint8_t uuid)
{
    /* 默认以200ms间隔检测 */
    task_set_frequency(uuid, 200);

    /* 未播放语音 */
    if(ak517_status == 0)
    {
        if(ak517_play_status == 0)
        {
            /* 倒车，请注意避让 */
            ak517_send_pulse(12);
        
            /* 正在播放, 此时 模块状态 应为 1 */
            ak517_play_status = 1;
        }
        else
        {
            /* 未播放 */
            ak517_play_status = 0;

            task_set_frequency(uuid, 2000);
        }
    }
}

static void ak517_arrival_warning_task(uint8_t uuid)
{
    /* 默认以200ms间隔检测 */
    task_set_frequency(uuid, 200);

    /* 未播放语音 */
    if(ak517_status == 0)
    {
        if(ak517_play_status == 0)
        {
            /* 车辆进站，请注意 */
            ak517_send_pulse(6);
        
            /* 正在播放, 此时 模块状态 应为 1 */
            ak517_play_status = 1;
        }
        else
        {
            /* 未播放 */
            ak517_play_status = 0;

            task_set_frequency(uuid, 2000);
        }
    }
}

static void ak517_departure_warning_task(uint8_t uuid)
{
}

static void ak517_please_note_that_task(uint8_t uuid)
{
    ak517_send_count++;

    switch (ak517_send_count)
    {
    case 1:
        ak517_send_pulse(18); /* 请 */
        task_set_frequency(uuid, 360);
        break;
    case 2:
        ak517_send_pulse(28); /* 注意 */
        task_set_frequency(uuid, 450);
        break;
    case 3:
        ak517_send_count = 0;
        task_set_frequency(uuid, 2000);
        break;
    }
}

static void ak517_status_parsing_task(uint8_t uuid)
{
    /* 正在播放 */
    if(gpio_input_bit_get(AK517_TG4_PERIPH, AK517_TG4_PIN) == SET)
    {
        ak517_status_playing_try_count++;

        if(ak517_status_playing_try_count > 4)
        {
            ak517_status = SET;

            ak517_status_playing_try_count = 0;
        }
    }
    else
    {
        ak517_status_stop_try_count++;

        if(ak517_status_stop_try_count > 4)
        {
            ak517_status = RESET;

            ak517_status_stop_try_count = 0;
        }
    }
}

//static uint8_t ak517_play_status(void)
//{
//    return gpio_input_bit_get(AK517_TG4_PERIPH, AK517_TG4_PIN);
//}

#endif