STM32-FSMC-NOR FLASH（8） operation, return, status, FLASH

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val1 = *(vu16 *)(Bank1_NOR2_ADDR);
    val2 = *(vu16 *)(Bank1_NOR2_ADDR);
   
    if((val1 & 0x0040) == (val2 & 0x0040))
    {
      return NOR_SUCCESS;
    }
    else if((val1 & 0x0020) == 0x0020)
    {
      return NOR_ERROR;
    }
  }  if(Timeout == 0x00)
  {
    status = NOR_TIMEOUT;
  }
  /* Return the operation status */
  return (status);
}
/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/




2.main.c
/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name          : main.c
* Author             : MCD Application Team
* Version            : V2.0.1
* Date               : 06/13/2008
* Description        : Main program body
********************************************************************************
* 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.
*******************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "fsmc_nor.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define BUFFER_SIZE        0x400
#define WRITE_READ_ADDR    0x8000
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
GPIO_InitTypeDef GPIO_InitStructure;
ErrorStatus HSEStartUpStatus;
u16 TxBuffer[BUFFER_SIZE];
u16 RxBuffer[BUFFER_SIZE];
u32 WriteReadStatus = 0, Index = 0;
NOR_IDTypeDef NOR_ID;
/* Private function prototypes -----------------------------------------------*/
void RCC_Configuration(void);
void NVIC_Configuration(void);
void Fill_Buffer(u16 *pBuffer, u16 BufferLenght, u32 Offset);
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name  : main
* Description    : Main program.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/