/**
  * @brief  Main program
  * @param  None
  * @retval None
  */
int main(void)
{
  /*!< At this stage the microcontroller clock setting is already configured, 
       this is done through SystemInit() function which is called from startup
       files (startup_stm32f40_41xxx.s/startup_stm32f427_437xx.s/
       startup_stm32f429_439xx.s/startup_stm32f401xx.s) before to branch to 
       application main. To reconfigure the default setting of SystemInit() 
       function, refer to system_stm32f4xx.c file
     */      
     
  /* Initialize LEDs on EVAL board */
  STM_EVAL_LEDInit(LED1);
  STM_EVAL_LEDInit(LED2);    
  
  /* Initialize the SRAM memory */
  SRAM_Init();
  
  /* Fill the buffer to send */
  Fill_Buffer(aTxBuffer, BUFFER_SIZE, 0x250F);
  
  /* Write data to the SRAM memory */
  SRAM_WriteBuffer(aTxBuffer, WRITE_READ_ADDR, BUFFER_SIZE);  
    
  /* Read back data from the SRAM memory */
  SRAM_ReadBuffer(aRxBuffer, WRITE_READ_ADDR, BUFFER_SIZE); 
   
  /* Check the SRAM memory content correctness */   
  for (uwIndex = 0; (uwIndex < BUFFER_SIZE) && (uwWriteReadStatus_SRAM == 0); uwIndex++)
  {
    if (aRxBuffer[uwIndex] != aTxBuffer[uwIndex])
    {
      uwWriteReadStatus_SRAM++;
    }
  }

  
  if (uwWriteReadStatus_SRAM)
  {
    /* KO */
    /* Turn on LD2 */
    STM_EVAL_LEDOn(LED2);  
  }
  else
  { 
    /* OK */
    /* Turn on LD1 */
    STM_EVAL_LEDOn(LED1);   
  }

  while (1)
  {
  } 
  
}
Beispiel #2
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/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
  /*!< At this stage the microcontroller clock setting is already configured, 
       this is done through SystemInit() function which is called from startup
       file (startup_stm32f4xx.s) before to branch to application main.
       To reconfigure the default setting of SystemInit() function, refer to
       system_stm32f4xx.c file
     */
  
  /* Initialize LEDs on STM324xG-EVAL board */
  STM_EVAL_LEDInit(LED1);
  STM_EVAL_LEDInit(LED2);

    
  /* Configure FSMC Bank 1 NOR/SRAM2  */
  SRAM_Init();

  /* Write data to FSMC SRAM memory */
  /* Fill the buffer to send */
  Fill_Buffer(TxBuffer, BUFFER_SIZE, 0x320F);
  SRAM_WriteBuffer(TxBuffer, WRITE_READ_ADDR, BUFFER_SIZE);

  /* Read data from FSMC SRAM memory */
  SRAM_ReadBuffer(RxBuffer, WRITE_READ_ADDR, BUFFER_SIZE);  

  /* Read back SRAM memory and check content correctness */   
  for (Index = 0x00; (Index < BUFFER_SIZE) && (WriteReadStatus == 0); Index++)
  {
    if (RxBuffer[Index] != TxBuffer[Index])
    {
      WriteReadStatus++;
    }
  }	

  if (WriteReadStatus == 0)
  {
    /* OK */
    /* Turn on LD1 */
    STM_EVAL_LEDOn(LED1);
  }
  else
  { 
    /* KO */
    /* Turn on LD2 */
    STM_EVAL_LEDOn(LED2);     
  }

  while (1)
  {
  }
}