#include "main.h"
#include "usart.h"
#include "gpio.h"

#define ApplicationAddress 0x8010000
#define VECT_TAB_OFFSET 0x10000

int i = 0;
int rf = 0;
int row = 0;
int data_count = 0;
uint8_t msg[7]={0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x0D};
uint8_t NACK[1]={0x79};
uint32_t temp[1000];
uint32_t FlashData1[1000];
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};

void SystemClock_Config(void);
void UserAppStart(void);
void writeFlashTest(void);
void printFlashTest(void);

int main(void) {
  HAL_Init();
  SystemClock_Config();
  MX_GPIO_Init();
  MX_USART2_UART_Init;
  MX_UART4_Init;
  MX_USART1_UART_Init;
  HAL_UART_Transmit(&huart4,(uint8_t*)start,sizeof(start),10);
  HAL_GPIO_WritePin(GPIOD,GPIO_PIN_14, GPIO_PIN_SET);
  SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET;
  while (1) {
    if (rf == 0) {
      HAL_UART_Receive_IT(&huart4, (uint8_t *)msg,sizeof(msg));
    } else {
      HAL_UART_Receive_IT(&huart4, (uint8_t *)FlashData,sizeof(FlashData));
    }
  }
  return 0;
}
void SystemClock_Config(void) {
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  __HAL_RCC_PWR_CLK_ENABLE();
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  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();
  }
  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();
  }
}
void UserAppStart(void) {
  typedef        void (*pFunction)(void);
  pFunction       Jump_To_Application;
  uint32_t JumpAddress=0;
  if (((*(__IO uint32_t*)ApplicationAddress) & 0x2FFE0000 ) == 0x20000000) {
    JumpAddress = *(__IO uint32_t*) (ApplicationAddress + 4);
    Jump_To_Application = (pFunction) JumpAddress;
    __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=1; i<(data_count * 4); i++) {
    HAL_FLASH_Program(TYPEPROGRAM_WORD,ApplicationAddress+(i*4),FlashData1[i]);
  }
  HAL_FLASH_Lock();
}
void printFlashTest(void) {
  for (i=1; i<(data_count * 4); i++) {
    temp[i] = *(__IO uint32_t*)(ApplicationAddress+(i*4));
  }
}