main.c

STM32 库文件

/**
  ******************************************************************************
  * @file FSMC/NAND/main.c 
  * @author  MCD Application Team
  * @version  V3.0.0
  * @date  04/06/2009
  * @brief  Main program body 
  ******************************************************************************
  * @copy
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>
  */ 

/* Includes ------------------------------------------------------------------*/
#include "fsmc_nand.h"
	
/** @addtogroup StdPeriph_Examples
  * @{
  */

/** @addtogroup FSMC_NAND
  * @{
  */ 

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define BUFFER_SIZE         0x400
#define NAND_ST_MakerID     0x20
#define NAND_ST_DeviceID    0x76

/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
NAND_IDTypeDef NAND_ID;
GPIO_InitTypeDef GPIO_InitStructure;
NAND_ADDRESS WriteReadAddr;
uint8_t TxBuffer[BUFFER_SIZE], RxBuffer[BUFFER_SIZE];
__IO uint32_t PageNumber = 2, WriteReadStatus = 0, status= 0;
uint32_t j = 0;

/* Private function prototypes -----------------------------------------------*/
void RCC_Configuration(void);
void Fill_Buffer(uint8_t *pBuffer, uint16_t BufferLenght, uint32_t Offset);

/* Private functions ---------------------------------------------------------*/

/**
  * @brief  Main program.
  * @param  None
  * @retval : None
  */
int main(void)
{
  /* System Clocks Configuration */
  RCC_Configuration();   

  /* PF.06, PF.07 and PF.08  config to drive LD1, LD2 and LD3 *****************/
  /* Enable GPIOF clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF, ENABLE);
  
  /* Configure PF.06, PF.07 and PF.08 as Output push-pull */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIOF, &GPIO_InitStructure);

  /* Enable the FSMC Clock */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
  
  /* FSMC Initialization */
  FSMC_NAND_Init();

  /* NAND read ID command */
  FSMC_NAND_ReadID(&NAND_ID);

  /* Verify the NAND ID */
  if((NAND_ID.Maker_ID == NAND_ST_MakerID) && (NAND_ID.Device_ID == NAND_ST_DeviceID))
  {

    /* NAND memory address to write to */ 
    WriteReadAddr.Zone = 0x00;
    WriteReadAddr.Block = 0x00;
    WriteReadAddr.Page = 0x00; 

    /* Erase the NAND first Block */
    status = FSMC_NAND_EraseBlock(WriteReadAddr);

    /* Write data to FSMC NAND memory */
    /* Fill the buffer to send */
    Fill_Buffer(TxBuffer, BUFFER_SIZE , 0x66);

    status = FSMC_NAND_WriteSmallPage(TxBuffer, WriteReadAddr, PageNumber);

    /* Read back the written data */
    status = FSMC_NAND_ReadSmallPage (RxBuffer, WriteReadAddr, PageNumber);
   
    /* Verify the written data */
    for(j = 0; j < BUFFER_SIZE; j++)
    {
      if(TxBuffer[j] != RxBuffer[j])
      {     
        WriteReadStatus++;
      } 
    }

    if (WriteReadStatus == 0)
    {	/* OK */
      /* Turn on LD1 */
      GPIO_SetBits(GPIOF, GPIO_Pin_6);
    }
    else
    { /* KO */
      /* Turn on LD2 */
      GPIO_SetBits(GPIOF, GPIO_Pin_7);     
    }
  }
  else
  {
    /* Turn on LD3 */
    GPIO_SetBits(GPIOF, GPIO_Pin_8);  
  }

  while(1)
  {
  }
}

/**
  * @brief  Configures the different system clocks.
  * @param  None
  * @retval : None
  */
void RCC_Configuration(void)
{
  /* Setup the microcontroller system. Initialize the Embedded Flash Interface,  
     initialize the PLL and update the SystemFrequency variable. */
  SystemInit();
}

/**
  *   Function name : Fill_Buffer
  * @brief  Fill the buffer
  * @param pBuffer: pointer on the Buffer to fill
  * @param BufferSize: size of the buffer to fill
  * @param Offset: first value to fill on the Buffer
  */
void Fill_Buffer(uint8_t *pBuffer, uint16_t BufferLenght, uint32_t Offset)
{
  uint16_t IndexTmp = 0;

  /* Put in global buffer same values */
  for (IndexTmp = 0; IndexTmp < BufferLenght; IndexTmp++ )
  {
    pBuffer[IndexTmp] = IndexTmp + Offset;
  }
}

#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
/**
  * @}
  */ 

/**
  * @}
  */ 

/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/