/**
  ******************************************************************************
  * @file    BSP/Src/main.c
  * @author  MCD Application Team
  * @brief   This example code shows how to use the STM32756G_EVAL BSP Drivers
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stlogo.h"

/** @addtogroup STM32F7xx_HAL_Examples
  * @{
  */

/** @addtogroup BSP
  * @{
  */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
uint8_t DemoIndex = 0;
__IO uint8_t NbLoop = 1;

/* Wave Player Pause/Resume Status. Defined as external in waveplayer.c file */
__IO uint32_t PauseResumeStatus = IDLE_STATUS;   

/* Counter for Sel Joystick pressed*/
__IO uint32_t PressCount = 0;

/* Joystick Status */
static JOYState_TypeDef JoyState = JOY_NONE;


/* Volume of the audio playback */
/* Initial volume level (from 0% (Mute) to 100% (Max)) */
__IO uint8_t volume = 60;
__IO uint8_t VolumeChange = 0;

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void Display_DemoDescription(void);
static void CPU_CACHE_Enable(void);
static void MPU_ConfigNOR(void);

BSP_DemoTypedef  BSP_examples[]=
{
  {Joystick_demo, "JOYSTICK", 0},
  {Touchscreen_demo, "TOUCHSCREEN", 0}, 
  {LCD_demo, "LCD", 0},
  {SD_demo, "SD", 0},
  {EEPROM_demo, "EEPROM", 0},
  {NOR_demo, "NOR", 0},
  {SRAM_demo, "SRAM", 0},
  {SDRAM_demo, "SDRAM", 0},
  {Log_demo, "LCD LOG", 0},     
};
/* Private functions ---------------------------------------------------------*/

/**
  * @brief  Main program
  * @param  None
  * @retval None
  */
int main(void)
{
  /* Set MPU NOR region */
  MPU_ConfigNOR();
  
  /* Enable the CPU Cache */
  CPU_CACHE_Enable();

  /* STM32F7xx HAL library initialization:
       - Configure the Flash ART accelerator on ITCM interface
       - Systick timer is configured by default as source of time base, but user 
         can eventually implement his proper time base source (a general purpose 
         timer for example or other time source), keeping in mind that Time base 
         duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and 
         handled in milliseconds basis.
       - Set NVIC Group Priority to 4
       - Low Level Initialization
     */
  HAL_Init();
  
  /* Configure the system clock to 200 MHz */
  SystemClock_Config();

  BSP_LED_Init(LED_GREEN);
  BSP_LED_Init(LED_ORANGE); 
  BSP_LED_Init(LED_RED);
  BSP_LED_Init(LED_BLUE); 
  
  
  /* Camera power down sequence */
  BSP_IO_ConfigPin(RSTI_PIN, IO_MODE_OUTPUT);
  BSP_IO_ConfigPin(XSDN_PIN, IO_MODE_OUTPUT);
  /* De-assert the camera STANDBY pin (active high) */
  BSP_IO_WritePin(XSDN_PIN, BSP_IO_PIN_RESET);
  /* Assert the camera RSTI pin (active low) */
  BSP_IO_WritePin(RSTI_PIN, BSP_IO_PIN_RESET);

  /* Configure the Tamper push-button in GPIO Mode */
  BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_GPIO);

  /*##-1- Initialize the LCD #################################################*/
  /* Initialize the LCD */
  BSP_LCD_Init();

  BSP_LCD_LayerDefaultInit(1, LCD_FB_START_ADDRESS);

  Display_DemoDescription();

  /* Wait For User inputs */
  while (1)
  {

    if(BSP_PB_GetState(BUTTON_TAMPER) == GPIO_PIN_SET)
    {
      while (BSP_PB_GetState(BUTTON_TAMPER) == GPIO_PIN_SET);
      
      BSP_examples[DemoIndex++].DemoFunc();
      
      if(DemoIndex >= COUNT_OF_EXAMPLE(BSP_examples))
      {
        NbLoop++;
        DemoIndex = 0;
      }
      Display_DemoDescription();
    }
        Toggle_Leds();
  }
}

/**
  * @brief  System Clock Configuration
  *         The system Clock is configured as follow : 
  *            System Clock source            = PLL (HSE)
  *            SYSCLK(Hz)                     = 200000000
  *            HCLK(Hz)                       = 200000000
  *            AHB Prescaler                  = 1
  *            APB1 Prescaler                 = 4
  *            APB2 Prescaler                 = 2
  *            HSE Frequency(Hz)              = 25000000
  *            PLL_M                          = 25
  *            PLL_N                          = 400
  *            PLL_P                          = 2
  *            PLL_Q                          = 8
  *            VDD(V)                         = 3.3
  *            Main regulator output voltage  = Scale1 mode
  *            Flash Latency(WS)              = 6
  * @param  None
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  RCC_OscInitTypeDef RCC_OscInitStruct;
  HAL_StatusTypeDef ret = HAL_OK;

  /* Enable HSE Oscillator and activate PLL with HSE as source */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 25;
  RCC_OscInitStruct.PLL.PLLN = 400;  
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 8;
  
  ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
  if(ret != HAL_OK)
  {
    while(1) { ; }
  }
  
  /* Activate the OverDrive to reach the 200 MHz Frequency */  
  ret = HAL_PWREx_EnableOverDrive();
  if(ret != HAL_OK)
  {
    while(1) { ; }
  }
  
  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */
  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;  
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2; 
  
  ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_6);
  if(ret != HAL_OK)
  {
    while(1) { ; }
  }  
}

/**
  * @brief  Display main demo messages
  * @param  None
  * @retval None
  */
static void Display_DemoDescription(void)
{
  char desc[50];

  /* Set LCD Foreground Layer  */
  BSP_LCD_SelectLayer(1);

  BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
  
  /* Clear the LCD */ 
  BSP_LCD_SetBackColor(LCD_COLOR_WHITE); 
  BSP_LCD_Clear(LCD_COLOR_WHITE);

  /* Set the LCD Text Color */
  BSP_LCD_SetTextColor(LCD_COLOR_DARKBLUE);  

  /* Display LCD messages */
  BSP_LCD_DisplayStringAt(0, 10, (uint8_t *)"STM32756G BSP", CENTER_MODE);
  BSP_LCD_DisplayStringAt(0, 35, (uint8_t *)"Drivers examples", CENTER_MODE);
  
  /* Draw Bitmap */
  BSP_LCD_DrawBitmap((BSP_LCD_GetXSize() - 80)/2, 65, (uint8_t *)stlogo);
  
  BSP_LCD_SetFont(&Font12);
  BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()- 20, (uint8_t *)"Copyright (c) STMicroelectronics 2016", CENTER_MODE);
  
  BSP_LCD_SetFont(&Font16);
  BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
  BSP_LCD_FillRect(0, BSP_LCD_GetYSize()/2 + 15, BSP_LCD_GetXSize(), 60);
  BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
  BSP_LCD_SetBackColor(LCD_COLOR_BLUE); 
  BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() / 2 + 30, (uint8_t *)"Press Tamper push-button to start :", CENTER_MODE);
  sprintf(desc,"%s example", BSP_examples[DemoIndex].DemoName);
  BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 + 45, (uint8_t *)desc, CENTER_MODE);   
}

/**
  * @brief  Check for user input
  * @param  None
* @retval Input state (1 : active / 0 : Inactive)
  */
uint8_t CheckForUserInput(void)
{
  if(BSP_PB_GetState(BUTTON_TAMPER) == GPIO_PIN_SET)
  {
    while (BSP_PB_GetState(BUTTON_TAMPER) == GPIO_PIN_SET);
    return 1 ;
  }
  return 0;
}

/**
  * @brief  EXTI line detection callbacks.
  * @param  GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
  /* If the interruption comes from the Joystick, check which
     Joystick button has been pressed */
  JoyState = BSP_JOY_GetState();

  if(JoyState == JOY_SEL) 
  {
    /* SEL is used to pause and resume the audio playback */
    if (PressCount == 1)
    {
      /* Resume playing Wave status */
      PauseResumeStatus = RESUME_STATUS;
      PressCount = 0;
    }
    else
    {
      /* Pause playing Wave status */
      PauseResumeStatus = PAUSE_STATUS;
      PressCount = 1;
    }
  }
  else if(JoyState == JOY_UP)
  {
    /* UP is used to increment the volume of the audio playback */
    volume ++;
    if (volume > 100)
    {
      volume = 100;
    }
    VolumeChange = 1;
  }
  else if(JoyState == JOY_DOWN)
  {
    /* DOWN is used to decrement the volume of the audio playback */
    volume --;
    if ((int8_t)volume < 50)
    {
      volume = 50;
    }
    VolumeChange = 1;
  }

  /* Clear MFX IT */
  BSP_IO_ITClear();
}

/**
  * @brief Toggle Leds
  * @param  None
  * @retval None
  */
void Toggle_Leds(void)
{
  BSP_LED_Toggle(LED_GREEN);
  HAL_Delay(50);
}

/**
  * @brief  This function is executed in case of error occurrence.
  * @param  None
  * @retval None
  */
void Error_Handler(void)
{
  /* Turn LED REDon */
  BSP_LED_On(LED_RED);
  while(1)
  {
  }
}

/**
  * @brief  CPU L1-Cache enable.
  * @param  None
  * @retval None
  */
static void CPU_CACHE_Enable(void)
{
  /* Enable I-Cache */
  SCB_EnableICache();

  /* Enable D-Cache */
  SCB_EnableDCache();
}

/**
  * @brief  Configure the MPU attributes as as device for NOR.
  * @note   The Base Address is 0x60000000.
  *         The Region Size is 16MBytes, it is related to NOR memory size.
  * @param  None
  * @retval None
  */
static void MPU_ConfigNOR(void)
{
  MPU_Region_InitTypeDef MPU_InitStruct;
  
  /* Disable the MPU */
  HAL_MPU_Disable();

  /* Configure the MPU attributes as device for NOR */
  MPU_InitStruct.Enable = MPU_REGION_ENABLE;
  MPU_InitStruct.BaseAddress = 0x60000000;
  MPU_InitStruct.Size = MPU_REGION_SIZE_16MB;
  MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
  MPU_InitStruct.IsBufferable = MPU_ACCESS_BUFFERABLE;
  MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
  MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE;
  MPU_InitStruct.Number = MPU_REGION_NUMBER1;
  MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
  MPU_InitStruct.SubRegionDisable = 0x00;
  MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;

  HAL_MPU_ConfigRegion(&MPU_InitStruct);

  /* Enable the MPU */
  HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);
}

#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 can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  /* Infinite loop */
  while (1)
  {
  }
}
#endif /* USE_FULL_ASSERT */

/**
  * @}
  */ 

/**
  * @}
  */
  
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/