view libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/FSMC/NAND/main.c @ 85:18b154c447bb

Add note about 1-wire wiring
author Daniel O'Connor <darius@dons.net.au>
date Thu, 12 Mar 2015 23:22:11 +1030
parents c59513fd84fb
children
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/**
  ******************************************************************************
  * @file    FSMC/NAND/main.c 
  * @author  MCD Application Team
  * @version V3.5.0
  * @date    08-April-2011
  * @brief   Main program body 
  ******************************************************************************
  * @attention
  *
  * 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 2011 STMicroelectronics</center></h2>
  ******************************************************************************
  */ 

/* Includes ------------------------------------------------------------------*/
#include "stm3210e_eval_fsmc_nand.h"
#include "stm32_eval.h"

/** @addtogroup STM32F10x_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;
NAND_ADDRESS WriteReadAddr;
uint8_t TxBuffer[BUFFER_SIZE], RxBuffer[BUFFER_SIZE];
uint32_t PageNumber = 2, WriteReadStatus = 0, status= 0;
uint32_t j = 0;

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

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

/**
  * @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_stm32f10x_xx.s) before to branch to application main.
       To reconfigure the default setting of SystemInit() function, refer to
       system_stm32f10x.c file
     */     

  /* Initialize Leds mounted on STM3210X-EVAL board */
  STM_EVAL_LEDInit(LED1);
  STM_EVAL_LEDInit(LED2);
  STM_EVAL_LEDInit(LED3);
  
  /* Enable the FSMC Clock */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
  
  /* FSMC Initialization */
  NAND_Init();

  /* NAND read ID command */
  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 = NAND_EraseBlock(WriteReadAddr);

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

    status = NAND_WriteSmallPage(TxBuffer, WriteReadAddr, PageNumber);

    /* Read back the written data */
    status = 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 LED1 */
      STM_EVAL_LEDOn(LED1);
    }
    else
    { 
      /* KO */
      /* Turn on LED2 */
      STM_EVAL_LEDOn(LED2);
    }
  }
  else
  {
    /* Turn on LED3 */
    STM_EVAL_LEDOn(LED3);
  }

  while(1)
  {
  }
}

/**
  * @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 2011 STMicroelectronics *****END OF FILE****/