player/Project_App_Calendar/App_Src/drive/w25qxx.c

#include "stm32f4xx.h"
#include "base.h" 
#include "w25qxx.h" 








static void (*p_delay_us)(u32);
static int (*p_printf)(const char *,...);
static u8 (*p_writeReadByte)(u8);
static void (*p_csPointHigh)(void) ;
static void (*p_csPointLow)(void);
static u8 W25Q_INITED=0;
static u16 W25QXX_TYPE=W25Q128;	//Ĭ<><C4AC><EFBFBD><EFBFBD>W25Q128

//4KbytesΪһ<CEAA><D2BB>Sector
//16<31><36><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ1<CEAA><31>Block
//W25Q128
//<2F><><EFBFBD><EFBFBD>Ϊ16M<36>ֽ<EFBFBD>,<2C><><EFBFBD><EFBFBD>128<32><38>Block,4096<39><36>Sector 
													 
//<2F><>ʼ<EFBFBD><CABC>SPI FLASH<53><48>IO<49><4F>
int W25QXX_Init(W25QXX_InitStruct *init)
{	
	
	if (init->writeReadByte&&init->csPointHigh&&init->csPointLow)
	{
		p_delay_us=init->delay_us;
		p_printf=init->printf; 
		p_writeReadByte=init->writeReadByte;
		p_csPointHigh=init->csPointHigh;
		p_csPointLow=init->csPointLow;
		W25Q_INITED=1;
	}
	else
	{
		W25Q_INITED=0;
		return -1;
	}
	
	
 
	p_csPointHigh();
	W25QXX_TYPE=W25QXX_ReadID();//<2F><>ȡFLASH ID.  
	return 0;
}  

//<2F><>ȡW25QXX<58><58>״̬<D7B4>Ĵ<EFBFBD><C4B4><EFBFBD>
//BIT7  6   5   4   3   2   1   0
//SPR   RV  TB BP2 BP1 BP0 WEL BUSY
//SPR:Ĭ<><C4AC>0,״̬<D7B4>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ,<2C><><EFBFBD><EFBFBD>WPʹ<50><CAB9>
//TB,BP2,BP1,BP0:FLASH<53><48><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//WEL:дʹ<D0B4><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//BUSY:æ<><C3A6><EFBFBD><EFBFBD>λ(1,æ;0,<2C><><EFBFBD><EFBFBD>)
//Ĭ<><C4AC>:0x00
u8 W25QXX_ReadSR(void)   
{  
	u8 byte=0;   
	if (W25Q_INITED==0) return 0;
	p_csPointLow();                            	//ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
	p_writeReadByte(W25X_ReadStatusReg); 				//<2F><><EFBFBD>Ͷ<EFBFBD>ȡ״̬<D7B4>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>    
	byte=p_writeReadByte(0Xff);          				//<2F><>ȡһ<C8A1><D2BB><EFBFBD>ֽ<EFBFBD>  
	p_csPointHigh();                            //ȡ<><C8A1>Ƭѡ     
	return byte;   
} 
//дW25QXX״̬<D7B4>Ĵ<EFBFBD><C4B4><EFBFBD>
//ֻ<><D6BB>SPR,TB,BP2,BP1,BP0(bit 7,5,4,3,2)<29><><EFBFBD><EFBFBD>д!!!
void W25QXX_Write_SR(u8 sr)   
{   
	if (W25Q_INITED==0) return ;
	p_csPointLow();                            	//ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
	p_writeReadByte(W25X_WriteStatusReg);				//<2F><><EFBFBD><EFBFBD>дȡ״̬<D7B4>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>    
	p_writeReadByte(sr);               					//д<><D0B4>һ<EFBFBD><D2BB><EFBFBD>ֽ<EFBFBD>  
	p_csPointHigh();                            //ȡ<><C8A1>Ƭѡ     	      
}   
//W25QXXдʹ<D0B4><CAB9>	
//<2F><>WEL<45><4C>λ   
void W25QXX_Write_Enable(void)   
{
	if (W25Q_INITED==0) return ;
	p_csPointLow();                          		//ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
    p_writeReadByte(W25X_WriteEnable); 				//<2F><><EFBFBD><EFBFBD>дʹ<D0B4><CAB9>  
	p_csPointHigh();                           	//ȡ<><C8A1>Ƭѡ     	      
} 
//W25QXXд<58><D0B4>ֹ	
//<2F><>WEL<45><4C><EFBFBD><EFBFBD>  
void W25QXX_Write_Disable(void)   
{  
	if (W25Q_INITED==0) return ;
	p_csPointLow();                            	//ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
  p_writeReadByte(W25X_WriteDisable);  				//<2F><><EFBFBD><EFBFBD>д<EFBFBD><D0B4>ָֹ<D6B9><D6B8>    
	p_csPointHigh();                            //ȡ<><C8A1>Ƭѡ     	      
} 		
//<2F><>ȡоƬID
//<2F><><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>:				   
//0XEF13,<2C><>ʾоƬ<D0BE>ͺ<EFBFBD>ΪW25Q80  
//0XEF14,<2C><>ʾоƬ<D0BE>ͺ<EFBFBD>ΪW25Q16    
//0XEF15,<2C><>ʾоƬ<D0BE>ͺ<EFBFBD>ΪW25Q32  
//0XEF16,<2C><>ʾоƬ<D0BE>ͺ<EFBFBD>ΪW25Q64 
//0XEF17,<2C><>ʾоƬ<D0BE>ͺ<EFBFBD>ΪW25Q128 	  
u16 W25QXX_ReadID(void)
{
	u16 Temp = 0;	  
	if (W25Q_INITED==0) return 0;
	p_csPointLow();				    
	p_writeReadByte(0x90);//<2F><><EFBFBD>Ͷ<EFBFBD>ȡID<49><44><EFBFBD><EFBFBD>	    
	p_writeReadByte(0x00); 	    
	p_writeReadByte(0x00); 	    
	p_writeReadByte(0x00); 	 			   
	Temp|=p_writeReadByte(0xFF)<<8;  
	Temp|=p_writeReadByte(0xFF);	 
	p_csPointHigh();				    
	return Temp;
}   		    
//<2F><>ȡSPI FLASH  
//<2F><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7>ʼ<EFBFBD><CABC>ȡָ<C8A1><D6B8><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD><C8B5><EFBFBD><EFBFBD><EFBFBD>
//pBuffer:<3A><><EFBFBD>ݴ洢<DDB4><E6B4A2>
//ReadAddr:<3A><>ʼ<EFBFBD><CABC>ȡ<EFBFBD>ĵ<EFBFBD>ַ(24bit)
//NumByteToRead:Ҫ<><D2AA>ȡ<EFBFBD><C8A1><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>(<28><><EFBFBD><EFBFBD>65535)
void W25QXX_Read(u8* pBuffer,u32 ReadAddr,u16 NumByteToRead)   
{ 
	u16 i;   			
	if (W25Q_INITED==0) return ;
	p_csPointLow();                            		//ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
	p_writeReadByte(W25X_ReadData);         			//<2F><><EFBFBD>Ͷ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>   
	p_writeReadByte((u8)((ReadAddr)>>16));  			//<2F><><EFBFBD><EFBFBD>24bit<69><74>ַ    
	p_writeReadByte((u8)((ReadAddr)>>8));   
	p_writeReadByte((u8)ReadAddr);   
	for(i=0;i<NumByteToRead;i++)
	{ 
			pBuffer[i]=p_writeReadByte(0XFF);   			//ѭ<><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  
	}
	p_csPointHigh();  				    	      
}  
//SPI<50><49>һҳ(0~65535)<29><>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>256<35><36><EFBFBD>ֽڵ<D6BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
//<2F><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7>ʼд<CABC><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>256<35>ֽڵ<D6BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
//pBuffer:<3A><><EFBFBD>ݴ洢<DDB4><E6B4A2>
//WriteAddr:<3A><>ʼд<CABC><D0B4><EFBFBD>ĵ<EFBFBD>ַ(24bit)
//NumByteToWrite:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>(<28><><EFBFBD><EFBFBD>256),<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ó<EFBFBD><C3B3><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>ʣ<EFBFBD><CAA3><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>!!!	 
void W25QXX_Write_Page(u8* pBuffer,u32 WriteAddr,u16 NumByteToWrite)
{
 	u16 i;  
	if (W25Q_INITED==0) return ;
	W25QXX_Write_Enable();                  										//SET WEL 
	p_csPointLow();                            									//ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
	p_writeReadByte(W25X_PageProgram);      										//<2F><><EFBFBD><EFBFBD>дҳ<D0B4><D2B3><EFBFBD><EFBFBD>   
	p_writeReadByte((u8)((WriteAddr)>>16)); 										//<2F><><EFBFBD><EFBFBD>24bit<69><74>ַ    
	p_writeReadByte((u8)((WriteAddr)>>8));   
	p_writeReadByte((u8)WriteAddr);   
	for(i=0;i<NumByteToWrite;i++)p_writeReadByte(pBuffer[i]);		//ѭ<><D1AD>д<EFBFBD><D0B4>  
	p_csPointHigh();                            								//ȡ<><C8A1>Ƭѡ 
	W25QXX_Wait_Busy();					   															//<2F>ȴ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
} 





//<2F>޼<EFBFBD><DEBC><EFBFBD>дSPI FLASH 
//<2F><><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD>д<EFBFBD>ĵ<EFBFBD>ַ<EFBFBD><D6B7>Χ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB>Ϊ0XFF,<2C><><EFBFBD><EFBFBD><EFBFBD>ڷ<EFBFBD>0XFF<46><46>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݽ<EFBFBD>ʧ<EFBFBD><CAA7>!
//<2F><><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD>ҳ<EFBFBD><D2B3><EFBFBD><EFBFBD> 
//<2F><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7>ʼд<CABC><D0B4>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD><C8B5><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>Ҫȷ<D2AA><C8B7><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7>Խ<EFBFBD><D4BD>!
//pBuffer:<3A><><EFBFBD>ݴ洢<DDB4><E6B4A2>
//WriteAddr:<3A><>ʼд<CABC><D0B4><EFBFBD>ĵ<EFBFBD>ַ(24bit)
//NumByteToWrite:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>(<28><><EFBFBD><EFBFBD>65535)
//CHECK OK
void W25QXX_Write_NoCheck(u8* pBuffer,u32 WriteAddr,u16 NumByteToWrite)   
{ 			 		 
	u16 pageremain;	   
	pageremain=256-WriteAddr%256; 														//<2F><>ҳʣ<D2B3><CAA3><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>		 	    
	if(NumByteToWrite<=pageremain)pageremain=NumByteToWrite;	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>256<35><36><EFBFBD>ֽ<EFBFBD>
	while(1)
	{	   
		W25QXX_Write_Page(pBuffer,WriteAddr,pageremain);
		if(NumByteToWrite==pageremain)break;										//д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 	else //NumByteToWrite>pageremain
		{
			pBuffer+=pageremain;
			WriteAddr+=pageremain;	

			NumByteToWrite-=pageremain;			  										//<2F><>ȥ<EFBFBD>Ѿ<EFBFBD>д<EFBFBD><D0B4><EFBFBD>˵<EFBFBD><CBB5>ֽ<EFBFBD><D6BD><EFBFBD>
			if(NumByteToWrite>256)pageremain=256; 								//һ<>ο<EFBFBD><CEBF><EFBFBD>д<EFBFBD><D0B4>256<35><36><EFBFBD>ֽ<EFBFBD>
			else pageremain=NumByteToWrite; 	  									//<2F><><EFBFBD><EFBFBD>256<35><36><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>
		}
	};	    
} 




static u8 *W25QXX_BUFFER;		 


//<2F><><EFBFBD>ù<EFBFBD><C3B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>4KB
//<2F>ɹ<EFBFBD><C9B9><EFBFBD><EFBFBD><EFBFBD>0<EFBFBD><30>ʧ<EFBFBD>ܷ<EFBFBD><DCB7><EFBFBD>-1
int W25QXX_SetWorkSpace(void *buff,u32 size)
{
	if (buff&&(size>=4096))
	{
		W25QXX_BUFFER=buff;
		return 0;
	}
	else
	{
		return -1;
	}
}

//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void W25QXX_ClearWorkSpace(void)
{
	W25QXX_BUFFER=0;
}




//дSPI FLASH  
//<2F><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7>ʼд<CABC><D0B4>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD><C8B5><EFBFBD><EFBFBD><EFBFBD>
//<2F>ú<EFBFBD><C3BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!
//pBuffer:<3A><><EFBFBD>ݴ洢<DDB4><E6B4A2>
//WriteAddr:<3A><>ʼд<CABC><D0B4><EFBFBD>ĵ<EFBFBD>ַ(24bit)						
//NumByteToWrite:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>(<28><><EFBFBD><EFBFBD>65535)   
void W25QXX_Write(u8* pBuffer,u32 WriteAddr,u16 NumByteToWrite)   
{ 
	u32 secpos;
	u16 secoff;
	u16 secremain;	   
 	u16 i;    
	u8 * W25QXX_BUF;	  
	if (p_writeReadByte==0) return;
  W25QXX_BUF=W25QXX_BUFFER;	
	if (W25QXX_BUF==0) return;
	
 	secpos=WriteAddr/4096;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ  
	secoff=WriteAddr%4096;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ƫ<EFBFBD><C6AB>
	secremain=4096-secoff;//<2F><><EFBFBD><EFBFBD>ʣ<EFBFBD><CAA3><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD>С   
 	//printf("ad:%X,nb:%X\r\n",WriteAddr,NumByteToWrite);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 	if(NumByteToWrite<=secremain)secremain=NumByteToWrite;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>4096<39><36><EFBFBD>ֽ<EFBFBD>
	while(1) 
	{	
		W25QXX_Read(W25QXX_BUF,secpos*4096,4096);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		for(i=0;i<secremain;i++)//У<><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		{
			if(W25QXX_BUF[secoff+i]!=0XFF)break;//<2F><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>  	  
		}
		if(i<secremain)//<2F><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>
		{
			W25QXX_Erase_Sector(secpos);		//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			for(i=0;i<secremain;i++)	   		//<2F><><EFBFBD><EFBFBD>
			{
				W25QXX_BUF[i+secoff]=pBuffer[i];	  
			}
			W25QXX_Write_NoCheck(W25QXX_BUF,secpos*4096,4096);//д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  

		}else W25QXX_Write_NoCheck(pBuffer,WriteAddr,secremain);//д<>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD>,ֱ<><D6B1>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʣ<EFBFBD><CAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. 				   
		if(NumByteToWrite==secremain)break;//д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		else//д<><D0B4>δ<EFBFBD><CEB4><EFBFBD><EFBFBD>
		{
			secpos++;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7>1
			secoff=0;//ƫ<><C6AB>λ<EFBFBD><CEBB>Ϊ0 	 

		   	pBuffer+=secremain;  				//ָ<><D6B8>ƫ<EFBFBD><C6AB>
			WriteAddr+=secremain;				//д<><D0B4>ַƫ<D6B7><C6AB>	   
		   	NumByteToWrite-=secremain;			//<2F>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD>ݼ<EFBFBD>
			if(NumByteToWrite>4096)secremain=4096;//<2F><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>
			else secremain=NumByteToWrite;		//<2F><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>
		}	 
	};	 
}
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>оƬ		  
//<2F>ȴ<EFBFBD>ʱ<EFBFBD>䳬<EFBFBD><E4B3AC>...
void W25QXX_Erase_Chip(void)   
{                                   
	if (W25Q_INITED==0) return ;
	W25QXX_Write_Enable();                 	 	//SET WEL 
	W25QXX_Wait_Busy();   
	p_csPointLow();                            	//ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
	p_writeReadByte(W25X_ChipErase);        	//<2F><><EFBFBD><EFBFBD>Ƭ<EFBFBD><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  
	p_csPointHigh();                            	//ȡ<><C8A1>Ƭѡ     	      
	W25QXX_Wait_Busy();   				   		//<2F>ȴ<EFBFBD>оƬ<D0BE><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}   
//<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//Dst_Addr:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ <20><><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ɽ<EFBFBD><C9BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>:150ms
void W25QXX_Erase_Sector(u32 Dst_Addr)   
{  
	//<2F><><EFBFBD><EFBFBD>falsh<73><68><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
	if (W25Q_INITED==0) return ;
 	if (p_printf) p_printf("fe:%x\r\n",Dst_Addr);	  
	//Dst_Addr*=4096;
	W25QXX_Write_Enable();                  	//SET WEL 	 
	W25QXX_Wait_Busy();   
	p_csPointLow();                            	//ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
	p_writeReadByte(W25X_SectorErase);      	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8> 
	p_writeReadByte((u8)((Dst_Addr)>>16));  	//<2F><><EFBFBD><EFBFBD>24bit<69><74>ַ    
	p_writeReadByte((u8)((Dst_Addr)>>8));   
	p_writeReadByte((u8)Dst_Addr);  
	p_csPointHigh();                            	//ȡ<><C8A1>Ƭѡ     	      
	W25QXX_Wait_Busy();   				   		//<2F>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}  
//<2F>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD>
void W25QXX_Wait_Busy(void)   
{   
	while((W25QXX_ReadSR()&0x01)==0x01);  		// <20>ȴ<EFBFBD>BUSYλ<59><CEBB><EFBFBD><EFBFBD>
}  
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
void W25QXX_PowerDown(void)   
{ 
	if (W25Q_INITED==0) return ;
	p_csPointLow();                           	 	//ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
	p_writeReadByte(W25X_PowerDown);        //<2F><><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  
	p_csPointHigh();                            	//ȡ<><C8A1>Ƭѡ     	   
	if (p_delay_us)
		p_delay_us(3);                               //<2F>ȴ<EFBFBD>TPD  
}   
//<2F><><EFBFBD><EFBFBD>
void W25QXX_WAKEUP(void)   
{  
	if (p_writeReadByte==0) return;
	p_csPointLow();                            	//ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
	p_writeReadByte(W25X_ReleasePowerDown);	//  send W25X_PowerDown command 0xAB    
	p_csPointHigh();                            	//ȡ<><C8A1>Ƭѡ     	      
	if (p_delay_us)
		p_delay_us(3);                            	//<2F>ȴ<EFBFBD>TRES1
}   






//<2F><>ȡ<EFBFBD>洢оƬ<D0BE><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u16 W25QXX_GetType (void)
{
	return W25QXX_TYPE;
}



u32 W25QXX_GetFlashSize(void)
{
	switch (W25QXX_TYPE)
	{
		case W25Q80:
			return 1<<20;
		case W25Q16:
			return 2<<20;
		case W25Q32:
			return 4<<20;
		case W25Q64:
			return 8<<20;
		case W25Q128:
			return 16<<20;
	}
	return 0;
}