player/Project_App_Calendar/App_Src/drive/flash.c

#include "stm32f4xx.h"
#include "flash.h" 
#include "mymem.h"
#include "base.h"
//////////////////////////////////////////////////////////////////////////////////	 
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ѧϰʹ<CFB0>ã<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD>;
//ALIENTEKս<4B><D5BD>STM32<33><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//W25Q64 <20><><EFBFBD><EFBFBD>	   
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F>޸<EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD>:2012/9/9
//<2F>汾<EFBFBD><E6B1BE>V1.0
//<2F><>Ȩ<EFBFBD><C8A8><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD><D8BE><EFBFBD>
//Copyright(C) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾ 2009-2019
//All rights reserved									  
//////////////////////////////////////////////////////////////////////////////////


static u16 SPI_FLASH_Type=W25Q64;//Ĭ<>Ͼ<EFBFBD><CFBE><EFBFBD>25Q64


#define W25Q_MOSI PAout(4)
#define W25Q_CLK  PAout(5)
#define W25Q_MISO PAin(7)
#define W25Q_CS   PCout(3)



void delay_us(u32 us)
{
//	us=us*5;
//	while (us--);
}


//4KbytesΪһ<CEAA><D2BB>Sector
//16<31><36><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ1<CEAA><31>Block
//W25X16
//<2F><><EFBFBD><EFBFBD>Ϊ2M<32>ֽ<EFBFBD>,<2C><><EFBFBD><EFBFBD>32<33><32>Block,512<31><32>Sector 

//<2F><>ʼ<EFBFBD><CABC>SPI FLASH<53><48>IO<49><4F>
void SPI_Flash_Init(void)
{	

	
	
	GPIO_InitTypeDef GPIO_InitStructure; //<2F><><EFBFBD><EFBFBD><EFBFBD>ṹ<EFBFBD><E1B9B9>
	RCC_AHB1PeriphClockCmd ( RCC_AHB1Periph_GPIOA, ENABLE); 	//<2F><>ʼ<EFBFBD><CABC>GPIOGʱ<47><CAB1>	
	RCC_AHB1PeriphClockCmd ( RCC_AHB1Periph_GPIOC, ENABLE); 	//<2F><>ʼ<EFBFBD><CABC>GPIODʱ<44><CAB1>	
	
	GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_OUT;   //<2F><><EFBFBD><EFBFBD>ģʽ
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;  //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_UP;	//<2F><><EFBFBD><EFBFBD>
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; //<2F>ٶ<EFBFBD>ѡ<EFBFBD><D1A1>
	
	//<2F><>ʼ<EFBFBD><CABC> LED1 <20><><EFBFBD><EFBFBD>
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4|GPIO_Pin_5;	 
	GPIO_Init(GPIOA, &GPIO_InitStructure);	
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;	 
	GPIO_Init(GPIOC, &GPIO_InitStructure);	
	
	
	GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_IN;   //<2F><><EFBFBD><EFBFBD>ģʽ
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;  //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_UP;	//<2F><><EFBFBD><EFBFBD>
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; //<2F>ٶ<EFBFBD>ѡ<EFBFBD><D1A1>
	
	//<2F><>ʼ<EFBFBD><CABC> LED1 <20><><EFBFBD><EFBFBD>
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;	 
	GPIO_Init(GPIOA, &GPIO_InitStructure);	
	



	
	SPI_FLASH_Type=SPI_Flash_ReadID();//<2F><>ȡFLASH ID.  

}  



u8 W25Q_ReadWriteByte(u8 da)
{
	u8 i=0;
	u8 ret=0;
	for (i=0;i<8;i++)
	{
		W25Q_CLK=0;
			delay_us(5);
			if (da&0x80)
				W25Q_MOSI=1;
			else
				W25Q_MOSI=0;
			da<<=1;
			delay_us(5);
		W25Q_CLK=1;
			delay_us(5);
			ret<<=1;
			ret|=W25Q_MISO;
			delay_us(5);
	}
	return ret;
}






//<2F><>ȡSPI_FLASH<53><48>״̬<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 SPI_Flash_ReadSR(void)   
{  
	u8 byte=0;   
	W25Q_CS=0;                            //ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
	W25Q_ReadWriteByte(W25X_ReadStatusReg);    //<2F><><EFBFBD>Ͷ<EFBFBD>ȡ״̬<D7B4>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>    
	byte=W25Q_ReadWriteByte(0Xff);             //<2F><>ȡһ<C8A1><D2BB><EFBFBD>ֽ<EFBFBD>  
	W25Q_CS=1;                            //ȡ<><C8A1>Ƭѡ     
	return byte;   
} 
//дSPI_FLASH״̬<D7B4>Ĵ<EFBFBD><C4B4><EFBFBD>
//ֻ<><D6BB>SPR,TB,BP2,BP1,BP0(bit 7,5,4,3,2)<29><><EFBFBD><EFBFBD>д!!!
void SPI_FLASH_Write_SR(u8 sr)   
{   
	W25Q_CS=0;                            //ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
	W25Q_ReadWriteByte(W25X_WriteStatusReg);   //<2F><><EFBFBD><EFBFBD>дȡ״̬<D7B4>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>    
	W25Q_ReadWriteByte(sr);               //д<><D0B4>һ<EFBFBD><D2BB><EFBFBD>ֽ<EFBFBD>  
	W25Q_CS=1;                            //ȡ<><C8A1>Ƭѡ     	      
}   
//SPI_FLASHдʹ<D0B4><CAB9>	
//<2F><>WEL<45><4C>λ   
void SPI_FLASH_Write_Enable(void)   
{
	W25Q_CS=0;                            //ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
    W25Q_ReadWriteByte(W25X_WriteEnable);      //<2F><><EFBFBD><EFBFBD>дʹ<D0B4><CAB9>  
	W25Q_CS=1;                            //ȡ<><C8A1>Ƭѡ     	      
} 
//SPI_FLASHд<48><D0B4>ֹ	
//<2F><>WEL<45><4C><EFBFBD><EFBFBD>  
void SPI_FLASH_Write_Disable(void)   
{  
	W25Q_CS=0;                            //ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
    W25Q_ReadWriteByte(W25X_WriteDisable);     //<2F><><EFBFBD><EFBFBD>д<EFBFBD><D0B4>ָֹ<D6B9><D6B8>    
	W25Q_CS=1;                            //ȡ<><C8A1>Ƭѡ     	      
} 			    
//<2F><>ȡоƬID W25X16<31><36>ID:0XEF14
u16 SPI_Flash_ReadID(void)
{
	u16 Temp = 0;	  
	W25Q_CS=0;				    
	W25Q_ReadWriteByte(0x90);//<2F><><EFBFBD>Ͷ<EFBFBD>ȡID<49><44><EFBFBD><EFBFBD>	    
	W25Q_ReadWriteByte(0x00); 	    
	W25Q_ReadWriteByte(0x00); 	    
	W25Q_ReadWriteByte(0x00); 	 			   
	Temp|=W25Q_ReadWriteByte(0xFF)<<8;  
	Temp|=W25Q_ReadWriteByte(0xFF);	 
	W25Q_CS=1;				    
	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 SPI_Flash_Read(u8* pBuffer,u32 ReadAddr,u32 NumByteToRead)   
{ 
 	u16 i;    												    
	W25Q_CS=0;                            //ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
    W25Q_ReadWriteByte(W25X_ReadData);         //<2F><><EFBFBD>Ͷ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>   
    W25Q_ReadWriteByte((u8)((ReadAddr)>>16));  //<2F><><EFBFBD><EFBFBD>24bit<69><74>ַ    
    W25Q_ReadWriteByte((u8)((ReadAddr)>>8));   
    W25Q_ReadWriteByte((u8)ReadAddr);   
    for(i=0;i<NumByteToRead;i++)
	{ 
        pBuffer[i]=W25Q_ReadWriteByte(0XFF);   //ѭ<><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  
    }
	W25Q_CS=1;                            //ȡ<><C8A1>Ƭѡ 
}  
//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 SPI_Flash_Write_Page(u8* pBuffer,u32 WriteAddr,u16 NumByteToWrite)
{
 	u16 i;  
    SPI_FLASH_Write_Enable();                  //SET WEL 
	W25Q_CS=0;                            //ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
    W25Q_ReadWriteByte(W25X_PageProgram);      //<2F><><EFBFBD><EFBFBD>дҳ<D0B4><D2B3><EFBFBD><EFBFBD>   
    W25Q_ReadWriteByte((u8)((WriteAddr)>>16)); //<2F><><EFBFBD><EFBFBD>24bit<69><74>ַ    
    W25Q_ReadWriteByte((u8)((WriteAddr)>>8));   
    W25Q_ReadWriteByte((u8)WriteAddr);   
    for(i=0;i<NumByteToWrite;i++)W25Q_ReadWriteByte(pBuffer[i]);//ѭ<><D1AD>д<EFBFBD><D0B4>  
	W25Q_CS=1;                            //ȡ<><C8A1>Ƭѡ 
	SPI_Flash_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 SPI_Flash_Write_NoCheck(u8* pBuffer,u32 WriteAddr,u32 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)
	{	   
		SPI_Flash_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>
		}
	};	    
} 
//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)  		   
//u8 SPI_FLASH_BUF[4096];
void SPI_Flash_Write(u8* pBuffer,u32 WriteAddr,u32 NumByteToWrite)   
{ 
	u32 secpos;
	u16 secoff;
	u16 secremain;	   
 	u16 i;    
	u8 *SPI_FLASH_BUF=mymalloc(4096);
	if (SPI_FLASH_BUF==0) 
	{
		return;
	}
	mymemset(SPI_FLASH_BUF,0xaa,4096);
	
	secpos=WriteAddr/4096;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ 0~511 for w25x16
	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   

	if(NumByteToWrite<=secremain)secremain=NumByteToWrite;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>4096<39><36><EFBFBD>ֽ<EFBFBD>
	while(1) 
	{	
		SPI_Flash_Read(SPI_FLASH_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(SPI_FLASH_BUF[secoff+i]!=0XFF)break;//<2F><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>  	  
		}
		if(i<secremain)//<2F><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>
		{
			SPI_Flash_Erase_Sector(secpos);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			for(i=0;i<secremain;i++)	   //<2F><><EFBFBD><EFBFBD>
			{
				SPI_FLASH_BUF[i+secoff]=pBuffer[i];	  
			}
			SPI_Flash_Write_NoCheck(SPI_FLASH_BUF,secpos*4096,4096);//д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  

		}else SPI_Flash_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>
		}	 
	};	
	myfree(SPI_FLASH_BUF);
}
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>оƬ
//<2F><>Ƭ<EFBFBD><C6AC><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>:
//W25X16:25s 
//W25X32:40s 
//W25X64:40s 
//<2F>ȴ<EFBFBD>ʱ<EFBFBD>䳬<EFBFBD><E4B3AC>...
void SPI_Flash_Erase_Chip(void)   
{                                             
    SPI_FLASH_Write_Enable();                  //SET WEL 
    SPI_Flash_Wait_Busy();   
  	W25Q_CS=0;                            //ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
    W25Q_ReadWriteByte(W25X_ChipErase);        //<2F><><EFBFBD><EFBFBD>Ƭ<EFBFBD><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  
		W25Q_CS=1;                            //ȡ<><C8A1>Ƭѡ     	      
		SPI_Flash_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>ַ 0~511 for w25x16
//<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ɽ<EFBFBD><C9BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>:150ms
void SPI_Flash_Erase_Sector(u32 Dst_Addr)   
{   
	//Dst_Addr*=4096;
    SPI_FLASH_Write_Enable();                  //SET WEL 	 
    SPI_Flash_Wait_Busy();   
  	W25Q_CS=0;                            //ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
    W25Q_ReadWriteByte(W25X_SectorErase);      //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8> 
    W25Q_ReadWriteByte((u8)((Dst_Addr)>>16));  //<2F><><EFBFBD><EFBFBD>24bit<69><74>ַ    
    W25Q_ReadWriteByte((u8)((Dst_Addr)>>8));   
    W25Q_ReadWriteByte((u8)Dst_Addr);  
		W25Q_CS=1;                            //ȡ<><C8A1>Ƭѡ     	      
    SPI_Flash_Wait_Busy();   				   //<2F>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}  
//<2F>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD>
void SPI_Flash_Wait_Busy(void)   
{   
	while ((SPI_Flash_ReadSR()&0x01)==0x01);   // <20>ȴ<EFBFBD>BUSYλ<59><CEBB><EFBFBD><EFBFBD>
}  
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
void SPI_Flash_PowerDown(void)   
{ 
  	W25Q_CS=0;                            //ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
    W25Q_ReadWriteByte(W25X_PowerDown);        //<2F><><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  
		W25Q_CS=1;                            //ȡ<><C8A1>Ƭѡ     	      
    delay_us(3);                               //<2F>ȴ<EFBFBD>TPD  
}   
//<2F><><EFBFBD><EFBFBD>
void SPI_Flash_WAKEUP(void)   
{  
  	W25Q_CS=0;                            //ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>   
    W25Q_ReadWriteByte(W25X_ReleasePowerDown);   //  send W25X_PowerDown command 0xAB    
	W25Q_CS=1;                            //ȡ<><C8A1>Ƭѡ     	      
    delay_us(3);                               //<2F>ȴ<EFBFBD>TRES1
}   




u16 SPI_Flash_GetType (void)
{
	return SPI_FLASH_Type;
}