STM32-FSMC-NOR FLASH（9） FLASH, drive

yuyang911220

int main(void)
{
#ifdef DEBUG
  debug();
#endif  /* System Clocks Configuration */
  RCC_Configuration();   
  /* NVIC Configuration */
  NVIC_Configuration();
  /* PF.06 and PF.07  config to drive LD1 and LD2 *****************************/
  /* Enable GPIOF clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF, ENABLE);
  
  /* Configure PF.06 and PF.07 as Output push-pull */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIOF, &GPIO_InitStructure);
  
  /* Write/read to/from FSMC SRAM memory  *************************************/
  /* Enable the FSMC Clock */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
  /* Configure FSMC Bank1 NOR/SRAM2 */
  FSMC_NOR_Init();

  /* Read NOR memory ID */
  FSMC_NOR_ReadID(&NOR_ID);
  FSMC_NOR_ReturnToReadMode();
  /* Erase the NOR memory block to write on */
  FSMC_NOR_EraseBlock(WRITE_READ_ADDR);
  /* Write data to FSMC NOR memory */
  /* Fill the buffer to send */
  Fill_Buffer(TxBuffer, BUFFER_SIZE, 0x3210);
  FSMC_NOR_WriteBuffer(TxBuffer, WRITE_READ_ADDR, BUFFER_SIZE);
  /* Read data from FSMC NOR memory */
  FSMC_NOR_ReadBuffer(RxBuffer, WRITE_READ_ADDR, BUFFER_SIZE);  
  /* Read back NOR memory and check content correctness */   
  for (Index = 0x00; (Index < BUFFER_SIZE) && (WriteReadStatus == 0); Index++)
  {
    if (RxBuffer[Index] != TxBuffer[Index])
    {
      WriteReadStatus = Index + 1;
    }
  }