/* USER CODE BEGIN Header */
/*
 ******************************************************************************
 * @file           : main.c
 * @brief          : Main program body
 ******************************************************************************
 * @attention
 *
 * <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
 * All rights reserved.</center></h2>
 *
 * This software component is licensed by ST under Ultimate Liberty license
 * SLA0044, the "License"; You may not use this file except in compliance with
 * the License. You may obtain a copy of the License at:
 *                             www.st.com/SLA0044
 *
 ******************************************************************************
 */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

#include <stdlib.h>
#include <string.h>
#include "stm32f1xx_hal_gpio.h"
#include "lcd.h"
#include "game.h"
#include "task.h" 
#include "queue.h"
#include "music.h"
#include "semphr.h"

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

typedef struct {
    bool pressed;
    GPIO_TypeDef *port;
    uint16_t pin;
} Button;

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
#define LCD_ADDR (0x27 << 1)
#define LCD_COLS 20
#define LCD_ROWS 4

#define BUTTON_COUNT 3

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
I2C_HandleTypeDef hi2c1;

TIM_HandleTypeDef htim2;
TIM_HandleTypeDef htim3;

UART_HandleTypeDef huart1;

/* USER CODE BEGIN PV */

GameEngine game;
LCD_HandleTypeDef hlcd = { 
    &hi2c1,
    LCD_ADDR,
    LCD_ROWS,
    LCD_COLS
};
char lcdBuffer[LCD_COLS+1];
Button buttons[BUTTON_COUNT] = { {
    .pressed = false,
        .port = BigButton_GPIO_Port,
        .pin = BigButton_Pin
}, {
    .pressed = false,
        .port = PlusButton_GPIO_Port,
        .pin = PlusButton_Pin
}, {
    .pressed = false,
        .port = MinusButton_GPIO_Port,
        .pin = MinusButton_Pin
} };
Button *plusButton = &buttons[1];
Button *minusButton = &buttons[2];
Button *bigButton = &buttons[0];

TimerHandle_t xSecondsTimerHandle = NULL;
TaskHandle_t xMusicHandle = NULL;
TaskHandle_t xLCDUpdaterHandle = NULL;
xSemaphoreHandle xButtonPressed;
xSemaphoreHandle xLCD;

asm(
        "tetris:\n\t"
        ".incbin \"../../Resources/tetris.bin\"\n\t" // используем директиву .incbin
        "tetris_len:\n\t"
        ".long .-tetris\n\t"  // вставляем значение .long с вычисленной длиной файла
   );
extern uint8_t *tetris;
extern uint32_t tetris_len;
asm(
        "super_mario:\n\t"
        ".incbin \"../../Resources/super_mario.bin\"\n\t" // используем директиву .incbin
        "super_mario_len:\n\t"
        ".long .-super_mario\n\t"  // вставляем значение .long с вычисленной длиной файла
   );
extern uint8_t *super_mario;
extern uint32_t super_mario_len;

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_I2C1_Init(void);
static void MX_TIM2_Init(void);
static void MX_TIM3_Init(void);
static void MX_USART1_UART_Init(void);
/* USER CODE BEGIN PFP */

void PrintTime() {
    if( xSemaphoreTake( xLCD, portMAX_DELAY ) == pdTRUE )
    {
        sprintf(
                lcdBuffer, 
                (game.timerValue > 0 ? "       %2d:%02d        " : "      -%2d:%02d        "),
                abs(game.timerValue / 60), 
                abs(game.timerValue % 60)
               );
        LCD_MoveCursor(&hlcd, 0, 0);
        LCD_SendString(&hlcd, lcdBuffer);
        xSemaphoreGive( xLCD );
    }
}
/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
 * @brief  The application entry point.
 * @retval int
 */
int main(void)
{
    /* USER CODE BEGIN 1 */

    /* USER CODE END 1 */

    /* MCU Configuration--------------------------------------------------------*/

    /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
    HAL_Init();

    /* USER CODE BEGIN Init */

    /* USER CODE END Init */

    /* Configure the system clock */
    SystemClock_Config();

    /* USER CODE BEGIN SysInit */

    /* USER CODE END SysInit */

    /* Initialize all configured peripherals */
    MX_GPIO_Init();
    MX_I2C1_Init();
    MX_TIM2_Init();
    MX_TIM3_Init();
    MX_USART1_UART_Init();
    /* USER CODE BEGIN 2 */
    InitGameEngine();

    xLCD = xSemaphoreCreateMutex();
    xButtonPressed = xSemaphoreCreateBinary();

    xTaskCreate(vTaskPlayerSetup, "Player", configMINIMAL_STACK_SIZE, NULL, 1, NULL);
    xTaskCreate(vTaskButtonPoll, "Buttons", configMINIMAL_STACK_SIZE, NULL, 1, NULL);
    vTaskStartScheduler();
    /* USER CODE END 2 */

    /* Infinite loop */
    /* USER CODE BEGIN WHILE */
    while (1)
    {
        /* USER CODE END WHILE */

        /* USER CODE BEGIN 3 */
    }
    /* USER CODE END 3 */
}

/**
 * @brief System Clock Configuration
 * @retval None
 */
void SystemClock_Config(void)
{
    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

    /** Initializes the RCC Oscillators according to the specified parameters
     * in the RCC_OscInitTypeDef structure.
     */
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
    RCC_OscInitStruct.HSEState = RCC_HSE_ON;
    RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
    RCC_OscInitStruct.HSIState = RCC_HSI_ON;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
    RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
    {
        Error_Handler();
    }
    /** Initializes the CPU, AHB and APB buses clocks
    */
    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
        |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV2;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
    {
        Error_Handler();
    }
}

/**
 * @brief I2C1 Initialization Function
 * @param None
 * @retval None
 */
static void MX_I2C1_Init(void)
{

    /* USER CODE BEGIN I2C1_Init 0 */

    /* USER CODE END I2C1_Init 0 */

    /* USER CODE BEGIN I2C1_Init 1 */

    /* USER CODE END I2C1_Init 1 */
    hi2c1.Instance = I2C1;
    hi2c1.Init.ClockSpeed = 100000;
    hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
    hi2c1.Init.OwnAddress1 = 0;
    hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
    hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
    hi2c1.Init.OwnAddress2 = 0;
    hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
    hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
    if (HAL_I2C_Init(&hi2c1) != HAL_OK)
    {
        Error_Handler();
    }
    /* USER CODE BEGIN I2C1_Init 2 */

    /* USER CODE END I2C1_Init 2 */

}

/**
 * @brief TIM2 Initialization Function
 * @param None
 * @retval None
 */
static void MX_TIM2_Init(void)
{

    /* USER CODE BEGIN TIM2_Init 0 */

    /* USER CODE END TIM2_Init 0 */

    TIM_MasterConfigTypeDef sMasterConfig = {0};
    TIM_OC_InitTypeDef sConfigOC = {0};

    /* USER CODE BEGIN TIM2_Init 1 */

    /* USER CODE END TIM2_Init 1 */
    htim2.Instance = TIM2;
    htim2.Init.Prescaler = 0;
    htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
    htim2.Init.Period = 65535;
    htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
    htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
    if (HAL_TIM_PWM_Init(&htim2) != HAL_OK)
    {
        Error_Handler();
    }
    sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
    sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
    if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
    {
        Error_Handler();
    }
    sConfigOC.OCMode = TIM_OCMODE_PWM1;
    sConfigOC.Pulse = 0;
    sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
    sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
    if (HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
    {
        Error_Handler();
    }
    /* USER CODE BEGIN TIM2_Init 2 */

    /* USER CODE END TIM2_Init 2 */
    HAL_TIM_MspPostInit(&htim2);

}

/**
 * @brief TIM3 Initialization Function
 * @param None
 * @retval None
 */
static void MX_TIM3_Init(void)
{

    /* USER CODE BEGIN TIM3_Init 0 */

    /* USER CODE END TIM3_Init 0 */

    TIM_MasterConfigTypeDef sMasterConfig = {0};
    TIM_OC_InitTypeDef sConfigOC = {0};

    /* USER CODE BEGIN TIM3_Init 1 */

    /* USER CODE END TIM3_Init 1 */
    htim3.Instance = TIM3;
    htim3.Init.Prescaler = 0;
    htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
    htim3.Init.Period = 65535;
    htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
    htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
    if (HAL_TIM_PWM_Init(&htim3) != HAL_OK)
    {
        Error_Handler();
    }
    sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
    sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
    if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
    {
        Error_Handler();
    }
    sConfigOC.OCMode = TIM_OCMODE_PWM1;
    sConfigOC.Pulse = 0;
    sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
    sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
    if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
    {
        Error_Handler();
    }
    /* USER CODE BEGIN TIM3_Init 2 */

    /* USER CODE END TIM3_Init 2 */
    HAL_TIM_MspPostInit(&htim3);

}

/**
 * @brief USART1 Initialization Function
 * @param None
 * @retval None
 */
static void MX_USART1_UART_Init(void)
{

    /* USER CODE BEGIN USART1_Init 0 */

    /* USER CODE END USART1_Init 0 */

    /* USER CODE BEGIN USART1_Init 1 */

    /* USER CODE END USART1_Init 1 */
    huart1.Instance = USART1;
    huart1.Init.BaudRate = 115200;
    huart1.Init.WordLength = UART_WORDLENGTH_8B;
    huart1.Init.StopBits = UART_STOPBITS_1;
    huart1.Init.Parity = UART_PARITY_NONE;
    huart1.Init.Mode = UART_MODE_TX_RX;
    huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
    huart1.Init.OverSampling = UART_OVERSAMPLING_16;
    if (HAL_UART_Init(&huart1) != HAL_OK)
    {
        Error_Handler();
    }
    /* USER CODE BEGIN USART1_Init 2 */

    /* USER CODE END USART1_Init 2 */

}

/**
 * @brief GPIO Initialization Function
 * @param None
 * @retval None
 */
static void MX_GPIO_Init(void)
{
    GPIO_InitTypeDef GPIO_InitStruct = {0};

    /* GPIO Ports Clock Enable */
    __HAL_RCC_GPIOC_CLK_ENABLE();
    __HAL_RCC_GPIOD_CLK_ENABLE();
    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();

    /*Configure GPIO pin Output Level */
    HAL_GPIO_WritePin(GPIOA, LED2_Pin|LED1_Pin, GPIO_PIN_RESET);

    /*Configure GPIO pins : PC13 PC14 PC15 */
    GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    /*Configure GPIO pins : LED2_Pin LED1_Pin */
    GPIO_InitStruct.Pin = LED2_Pin|LED1_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /*Configure GPIO pin : BigButton_Pin */
    GPIO_InitStruct.Pin = BigButton_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_PULLDOWN;
    HAL_GPIO_Init(BigButton_GPIO_Port, &GPIO_InitStruct);

    /*Configure GPIO pins : PA4 PA5 PA6 PA8
      PA11 PA12 PA15 */
    GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_8
        |GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_15;
    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /*Configure GPIO pins : PB0 PB1 PB2 PB10
      PB11 PB13 PB14 PB3
      PB4 PB5 PB8 PB9 */
    GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_10
        |GPIO_PIN_11|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_3
        |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_8|GPIO_PIN_9;
    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    /*Configure GPIO pins : MinusButton_Pin PlusButton_Pin */
    GPIO_InitStruct.Pin = MinusButton_Pin|PlusButton_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_PULLDOWN;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

}

/* USER CODE BEGIN 4 */

void vTaskPlayerSetup(void *parameter)
{
    vTaskDelay(50);
    LCD_Init(&hlcd);
    vTaskDelay(50);
    LCD_MoveHome(&hlcd);
    LCD_SendString(&hlcd, "Settings");
    LCD_MoveCursor(&hlcd, 1, 0);
    while (1)
    {
        LCD_MoveCursor(&hlcd, 1, 0);
        sprintf(lcdBuffer, "Players: %1d          ", game.activePlayers);
        LCD_SendString(&hlcd, lcdBuffer);
        vTaskDelay(1);
        if (xSemaphoreTake(xButtonPressed, portMAX_DELAY) == pdPASS )
        {
            if (plusButton->pressed)
            {
                plusButton->pressed = false;
                AddPlayer();
            }
            else if (minusButton->pressed)
            {
                minusButton->pressed = false;
                RemovePlayer();
            }
            else if (bigButton->pressed && game.activePlayers > 1)
            {
                break;
            }
        }
    }
    xTaskCreate(vTaskConfig, "Config", configMINIMAL_STACK_SIZE, NULL, 1, NULL);
    vTaskDelete(NULL);
}

void vTaskConfig(void *parameter) {
    LCD_MoveHome(&hlcd);
    LCD_SendString(&hlcd, "Settings");
    while (1)
    {
        LCD_MoveCursor(&hlcd, 1, 0);
        sprintf(lcdBuffer, "Count scores: %3s   ", game.countScores ? "yes" : "no");
        LCD_SendString(&hlcd, lcdBuffer);
        vTaskDelay(1);
        if (xSemaphoreTake(xButtonPressed, portMAX_DELAY) == pdPASS ) {
            if (plusButton->pressed)
                game.countScores = !game.countScores;
            if (minusButton->pressed)
                // TODO: show round number or change the way it counts
                game.countScores = !game.countScores;
            if (bigButton->pressed) {
                break;
            }
            vTaskDelay(10);
        }
    }
    xTaskCreate(vTaskTimerSetup, "TaskTimerSetup", configMINIMAL_STACK_SIZE, NULL, 1, NULL);
    xTaskCreate(vTaskTurnTimeUpdate, "TimeUpdate", configMINIMAL_STACK_SIZE, NULL, 1, &xLCDUpdaterHandle);
    vTaskDelete(NULL);
}

void vTaskTimerSetup(void *parameter) {
    if( xSemaphoreTake( xLCD, portMAX_DELAY ) == pdTRUE )
    {
        LCD_MoveHome(&hlcd);
        LCD_MoveCursor(&hlcd, 1, 0);
        sprintf(lcdBuffer, "Setup turn time");
        LCD_SendString(&hlcd, lcdBuffer);
        xSemaphoreGive( xLCD );
    }
    ResetTurnTimer();
    while (1)
    {
        xTaskNotifyGive(xLCDUpdaterHandle);
        vTaskDelay(1);
        if (xSemaphoreTake(xButtonPressed, portMAX_DELAY) == pdPASS )
        {
            if (plusButton->pressed)
            {
                plusButton->pressed = false;
                IncrementTurnTime();
            }
            else if (minusButton->pressed)
            {
                minusButton->pressed = false;
                DecrementTurnTime();
            }
            else if (bigButton->pressed) {
                break;
            }
        }
    }

    xSecondsTimerHandle = xTimerCreate("SecondsTimer",
            pdMS_TO_TICKS(1000), //counts 1 sec
            pdTRUE, //auto-reload
            NULL, //not assigning ID 
            vTimerCallback // function to call after timer expires
            ); 

    xTaskCreate(vTaskTurn, "TaskTurn", configMINIMAL_STACK_SIZE, NULL, 1, NULL);
    vTaskDelete(NULL);
}

void vTaskTurnTimeUpdate(void *parameter) {
    while (1)
    {
        ulTaskNotifyTake( pdTRUE, portMAX_DELAY );
        PrintTime();
    }
}

void vTaskTurn(void *parameter) {
    xTimerReset(xSecondsTimerHandle, 0);
    xTaskNotifyGive(xLCDUpdaterHandle);
    vTaskDelay(5);

    if (game.countScores)
    {
        if( xSemaphoreTake( xLCD, portMAX_DELAY ) == pdTRUE )
        {
            LCD_MoveCursor(&hlcd, 2, 0);
            memset(&lcdBuffer,'\0', sizeof(lcdBuffer));
            lcdBuffer[0] = ' ';
            for (int i = 1; i <= game.activePlayers; i++)
            {
                char tmp[8];
                sprintf(tmp, "%1d:%3ld|", i, game.scores[i]);
                strcat(lcdBuffer, tmp);
                if (strlen(lcdBuffer) > (LCD_COLS-6))
                {
                    LCD_SendString(&hlcd, lcdBuffer);
                    LCD_MoveCursor(&hlcd, 3, 0);
                    memset(&lcdBuffer,'\0', sizeof(lcdBuffer));
                    lcdBuffer[0] = ' ';
                }
            }
            LCD_SendString(&hlcd, lcdBuffer);
            xSemaphoreGive( xLCD );
        }
    }
    if( xSemaphoreTake( xLCD, portMAX_DELAY ) == pdTRUE )
    {
        sprintf(lcdBuffer, "Player: %1d Score: %3ld",game.currentPlayer, game.scores[game.currentPlayer]);
        LCD_MoveCursor(&hlcd, 1, 0);
        LCD_SendString(&hlcd, lcdBuffer);
        xSemaphoreGive( xLCD );
    }

    while (1)
    {
        if (xSemaphoreTake(xButtonPressed, portMAX_DELAY) == pdPASS ) 
        {
            if (plusButton->pressed || minusButton->pressed) {
                xTaskCreate(vTaskTimerSetup, "TaskTimerSetup", configMINIMAL_STACK_SIZE, NULL, 1, NULL);
                break;
            }
            else if (bigButton->pressed) {
                xTaskCreate(vTaskTurnEnd, "TaskTurnEnd", configMINIMAL_STACK_SIZE, NULL, 1, NULL);
                break;
            } 
        }
        //  HAL_GPIO_TogglePin(LED1_GPIO_Port, LED1_Pin);
    }
    xTimerStop(xSecondsTimerHandle, 0);

    if (xMusicHandle) {
        vTaskDelete(xMusicHandle);
        MusicStop();
        xMusicHandle = NULL;
    }
    vTaskDelete(NULL);
}

void vTaskTurnEnd(void *parameter) {
    if (game.countScores) {
        if( xSemaphoreTake( xLCD, portMAX_DELAY ) == pdTRUE )
        {
            LCD_MoveHome(&hlcd);
            LCD_MoveCursor(&hlcd, 1, 0);
            sprintf(lcdBuffer, "Player: %1d Score: %3ld",game.currentPlayer, game.scores[game.currentPlayer]);
            LCD_SendString(&hlcd, lcdBuffer);
            xSemaphoreGive( xLCD );
        }
        xTaskNotifyGive(xLCDUpdaterHandle);
        int32_t delta = 0;
        while (1) {
            if( xSemaphoreTake( xLCD, portMAX_DELAY ) == pdTRUE )
            {
                sprintf(lcdBuffer, "Result: %+4ld", delta);
                LCD_MoveCursor(&hlcd, 2, 0);
                LCD_SendString(&hlcd, lcdBuffer);
                xSemaphoreGive( xLCD );
            }
            if (xSemaphoreTake(xButtonPressed, portMAX_DELAY) == pdPASS ) {
                if (bigButton->pressed) {
                    ChangeScore(delta);
                    break;
                }
                else if (plusButton->pressed)
                {
                    plusButton->pressed = false;
                    delta++;
                }
                else if (minusButton->pressed)
                {
                    minusButton->pressed = false;
                    delta--;
                }
            }
        }
    }
    NextPlayer();
    xTaskCreate(vTaskTurn, "TaskTurn", configMINIMAL_STACK_SIZE, NULL, 1, NULL);
    vTaskDelete(NULL);
}

void vTaskOvertime(void *parameter) {
    /*
       Track music[2] = {
       { .begin = tetris, .size = tetris_len},
       { .begin = super_mario, .size = super_mario_len}
       };
       while (1)
       {
       HAL_GPIO_WritePin(LED2_GPIO_Port, LED1_Pin, GPIO_PIN_SET);
       MusicPlay(&music[0]);
       HAL_GPIO_WritePin(LED2_GPIO_Port, LED1_Pin, GPIO_PIN_RESET);
       vTaskDelay(1000);
       } */
    while (1) {
       vTaskDelay(1000);
    };
}

void vTimerCallback(TimerHandle_t xTimer) {
    game.timerValue--;
    xTaskNotifyGive(xLCDUpdaterHandle);
    if(game.timerValue == 0 && xMusicHandle == NULL) 
    {
        xTaskCreate(vTaskOvertime, "vTaskOvertime", configMINIMAL_STACK_SIZE, NULL, 1, &xMusicHandle);
    } 
}

void vTaskButtonPoll(void *parameter) {
    bool state = false;
    while (1) {
        for(int i = 0; i<BUTTON_COUNT; i++)
        {
            state = HAL_GPIO_ReadPin(buttons[i].port, buttons[i].pin);
            if (state != buttons[i].pressed)
            {
                vTaskDelay(25);
                state = HAL_GPIO_ReadPin(buttons[i].port, buttons[i].pin);
                if (state != buttons[i].pressed)
                    buttons[i].pressed = !buttons[i].pressed;
                xSemaphoreGive(xButtonPressed);
            }
            vTaskDelay(50);
        }
    }
}
/* USER CODE END 4 */

/**
 * @brief  Period elapsed callback in non blocking mode
 * @note   This function is called  when TIM4 interrupt took place, inside
 * HAL_TIM_IRQHandler(). It makes a direct call to HAL_IncTick() to increment
 * a global variable "uwTick" used as application time base.
 * @param  htim : TIM handle
 * @retval None
 */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
    /* USER CODE BEGIN Callback 0 */

    /* USER CODE END Callback 0 */
    if (htim->Instance == TIM4) {
        HAL_IncTick();
    }
    /* USER CODE BEGIN Callback 1 */

    /* USER CODE END Callback 1 */
}

/**
 * @brief  This function is executed in case of error occurrence.
 * @retval None
 */
void Error_Handler(void)
{
    /* USER CODE BEGIN Error_Handler_Debug */
    /* User can add his own implementation to report the HAL error return state */

    /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
 * @brief  Reports the name of the source file and the source line number
 *         where the assert_param error has occurred.
 * @param  file: pointer to the source file name
 * @param  line: assert_param error line source number
 * @retval None
 */
void assert_failed(uint8_t *file, uint32_t line)
{
    /* USER CODE BEGIN 6 */
    /* User can add his own implementation to report the file name and line number,
tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
    /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

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