/* 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"
#include "usart.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

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

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

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

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

#define ApplicationAddress  0x8010000
#define VECT_TAB_OFFSET       0x10000

int i;
/* USER CODE BEGIN PV */
uint8_t msg[7]={0xFF,0xFF,0x00,0x00,0x00,0x00,0x0D};
uint8_t NACK[1]={0x79};
int rf=0;
int row=0;
int data_count=0;
uint32_t temp[10000];
uint32_t FlashData1[10000];
uint8_t FlashData[16];
uint8_t com[7]={0xFF,0xFF,0x00,0x00,0x00,0x01,0x0D};
uint8_t com1[7]={0xFF,0xFF,0x00,0x00,0x00,0x02,0x0D};
uint8_t start[7]={0xFF,0xFF,0x00,0x00,0x00,0x03,0x0D};

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
void UserAppStart(void);
void writeFlashTest(void);
void printFlashTest(void);
/* USER CODE BEGIN PFP */

/* 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_USART2_UART_Init();
  MX_UART4_Init();
  MX_USART1_UART_Init();
  /* USER CODE BEGIN 2 */
	SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET;
/*------Zigbee setup-----------------------------------------------*/
  HAL_UART_Transmit(&huart4,(uint8_t*)start,sizeof(start),10);
  HAL_GPIO_WritePin(GPIOD,GPIO_PIN_14, GPIO_PIN_SET);
/*-----------------------------------------------------*/
  /* USER CODE END 2 */
  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */
		if(rf==0)
		{
			HAL_UART_Receive_IT(&huart4, (uint8_t *)msg,sizeof(msg));
		}
    else
    {
			HAL_UART_Receive_IT(&huart4, (uint8_t *)FlashData,sizeof(FlashData));
		}		
		
		   
		 
		 
	  //HAL_UART_Receive_IT(&huart4, (uint8_t *)msg,sizeof(msg));
		 
		
    /* 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};

  /** Configure the main internal regulator output voltage 
  */
  __HAL_RCC_PWR_CLK_ENABLE();
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  /** Initializes the CPU, AHB and APB busses clocks 
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  RCC_OscInitStruct.PLL.PLLM = 8;
  RCC_OscInitStruct.PLL.PLLN = 72;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 3;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB busses 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_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{  	
	 if(huart->Instance == UART4)
	 { 
		 if(rf==1)
		 {  
			 //printf("row:%d\r\n",row);
			 for(i=0;i<4;i++)
	     { 
			   FlashData1[(4*row)+i]=(FlashData[4*i]<<24)+(FlashData[1+(4*i)]<<16)+(FlashData[2+(4*i)]<<8)+FlashData[3+(4*i)];
	       //printf("%x\r\n",FlashData1[(4*row)+i]);
	     }
       if(row==(data_count-1))		
			 { 
				 writeFlashTest();
	       printFlashTest();
	       UserAppStart(); 
				 rf=0;
				 data_count=0;
				 row=0;
			 }
       row=row+1;			
       			 
		 }
		 else if(rf==0)
		 {
			 
			   if(msg[0]==0xFF && msg[1]==0x01 && msg[6]==0x0D)
		   {
				  HAL_UART_Transmit(&huart4, (uint8_t *)NACK,1,0xFFFF);
			    rf=1;
				  data_count=msg[2]*100+msg[3];
		   }
		     if(msg[0]==0xFF && msg[1]==0x02 && msg[6]==0x0D)
		   {
          HAL_GPIO_WritePin(GPIOD,GPIO_PIN_14, GPIO_PIN_SET);
          HAL_UART_Transmit(&huart4,(uint8_t*)com,sizeof(com),10);
		   }
		     if(msg[0]==0xFF && msg[1]==0x03 && msg[6]==0x0D)
		   {
          HAL_GPIO_WritePin(GPIOD,GPIO_PIN_14, GPIO_PIN_RESET);
          HAL_UART_Transmit(&huart4,(uint8_t*)com1,sizeof(com1),10);
		   }
			
		 }
		 
	 }
}


void UserAppStart(void)
{    typedef        void (*pFunction)(void);     
     pFunction       Jump_To_Application;
     uint32_t       JumpAddress;
	  if (((*(__IO uint32_t*)ApplicationAddress) & 0x2FFE0000 ) == 0x20000000)
    { 
      /* Jump to user application */
      JumpAddress = *(__IO uint32_t*) (ApplicationAddress + 4);
      Jump_To_Application = (pFunction) JumpAddress;
      /* Initialize user application's Stack Pointer */
      __set_MSP(*(__IO uint32_t*) ApplicationAddress);
      Jump_To_Application();
    }
}


void writeFlashTest(void)
{
  FLASH_EraseInitTypeDef pEraseInit;
 
  HAL_FLASH_Unlock();
  
   pEraseInit.TypeErase = FLASH_TYPEERASE_SECTORS;
	 pEraseInit.VoltageRange  = FLASH_VOLTAGE_RANGE_3;
   pEraseInit.Sector = FLASH_SECTOR_4;
   pEraseInit.NbSectors = 1;
	 uint32_t PageError=0;
   HAL_FLASHEx_Erase(&pEraseInit,&PageError);
	for(i=0;i<(data_count*4);i++)
	{
	  
		HAL_FLASH_Program(TYPEPROGRAM_WORD,ApplicationAddress+(i*4),FlashData1[i]);	
		
	}
 
	
	
  HAL_FLASH_Lock();
}
void printFlashTest(void)
{
		for(i=0;i<(data_count*4);i++)
	{ 
	  temp[i] = *(__IO uint32_t*)(ApplicationAddress+(i*4));
		//printf("addr:0x%x, data:0x%x\r\n",ApplicationAddress+(i*4), temp[i]);
	  //printf("%x\r\n", temp[i]);
		
	}
}


/* USER CODE END 4 */

/**
  * @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 */

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