📄 cl_main.c

📁 51单片机读写nor flash 读出flash 的ID
💻 C
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};






void init_clock(void);
void init_clock(void)
{
	EA = 0;
  //	IE = 0x02;          // Enable Timer 0 interrupt
    SCON = 0x50;        // setup serial port control, serial mode 1
  	TMOD = 0x21;
    TH1 = 0xfa;         // 9600 BAUD @ 22.1184MHz
    TCON = 0x50;        // TR0 = TR1 = 1, start timer
   // TR1 = 1;
    EA = 1;
	
}



extern BYTE ReadFlashOneByte( BYTE SectorStart,unsigned int AbsDra)
{  
    BYTE xdata *Temp;
   unsigned int  i;
   unsigned int iSector;
   BYTE iBlockNum;
   BYTE FlashData; 
 //  CS_FLASH088_OPEN();
   i = AbsDra ;
   iSector=SectorStart+i/4096;
   iBlockNum=iSector>>4;
   iSector=iSector%16;
 //  SELECT_PAGE(iBlockNum);                          //写待读数据页号即A19-A16                           
   	    
   Temp=(BYTE xdata*)0x0;
   Temp=(BYTE xdata *) ((iSector<<12)|(int)Temp);
		  FlashData = *(Temp+(i%4096));           
  //  CS_DISPLAY_OPEN();
  return (FlashData);
}



void main( )
{
   unsigned int  i;
    BYTE xdata *Temp;
   unsigned int len;  
   BYTE idata k;
   BYTE iSector;
   BYTE iBlockNum;
   BYTE SectorStart;
   AUXR=0x02;       
 //  CS_ALL_OPEN();
 // CS_FLASH088_OPEN();    
   
     SectorStart=0x01;                //待写入数据的起始扇区号  
	 len=9644;                     //要写入数据的字节长度    
     Program_Flash_VF088(StartPicture,SectorStart,len);   //将picturelibbird数组存入FLASH
     Delay_Nano_Seconds(250); 

    k=0;                                                   //存入数据与读出数据是否相同标志

    for (i=0;i<len;i++)
	  {
	      iSector=SectorStart+i/4096;
          iBlockNum=iSector>>4;
	      iSector=iSector%16;
          SELECT_PAGE(iBlockNum);                          //写待读数据页号即A19-A16                           
	    
		  Temp=(BYTE xdata*)0x0;
          Temp=(BYTE xdata *) ((iSector<<12)|(int)Temp);
		  if(StartPicture[i]!=*(Temp+(i%4096)))            //判断读出数据与写入数据是否相同
               k=1;                                          //不相同，则置标志位为1
		     //printf("data = %bx\n", *(Temp+(i%4096)));
			   
	  }
   //   CS_DISPLAY_OPEN();
		 if(!k)  
	{
	                                    //读出数据与定入数据相同，显示红屏
		Delay(5);
	}
	
   init_clock(); 
           
while(1)
  {
      
   }

}
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💿 文件大小 166 K
👤 上传用户 proudrock
📂 所属分类 FlashMX/Flex源码
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#flash #nor #51单片机 #读写
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