at45db.bak

此源码是用的NEC公司的MCU78F0396

/******************************************************
//  Filename :	CS5460.c
//  Abstract :	This file implements main function.
//
//  Device    :	uPD78F0396
//  CreateTime: 2006/11/01
//  Author    :  

******************************************************/
#include "UsrComm.h"
#include "AT45DB.h"
#define AT45DBBUSYWAIT 10
void SYS_SPIInit(void);
void CSI11_Init( void );
MD_STATUS AT45DB_PageErase(unsigned int pPAdress );

#define AT45DB_CS       P0.0
void SYS_SPIInit(void)
{
	
	PM2.3 =  1;  //SI
	PM2.4 =  0;  //SO
	PM2.5 =  0;  //SCK
	
	P2.4 = 0;
	P2.5 = 0;
	// CSIM1 = 0xC1; //fisrt bit MSB
	// CSIC1 = 0x1A;  //user SPI mode 4 ,sck = fx/2^4
}


#define SPI_SI    (1 << P03) 
#define SPI_SO    (1 << P02) 
#define SPI_SCK   (1 << P04)  
void CSI11_Init( void )
{
	ClrIORBit(PM0, SPI_SO);  // Setting Output
	ClrIORBit(PM0, SPI_SCK); // Setting Output
	SetIORBit(PM0, SPI_SI);  //setting input 
	
	ClrIORBit(P0, SPI_SO);   
	ClrIORBit(P0, SPI_SCK);  
	SetIORBit(P0, SPI_SCK);   
	
	SetIORBit(CSIC11,CSIC11_CKP11); // user Mode 4
	SetIORBit(CSIC11,CSIC11_DAP11);
	
	SetIORBit(CSIC11,CSIC11_CKS112); // Sck = FPRS/2^6
	ClrIORBit(CSIC11,CSIC11_CKS111);
	SetIORBit(CSIC11,CSIC11_CKS110);
	
	ClrIORBit(CSIM11,CSIM11_DIR11);    // transfor first bit MSB
	ClrIORBit(CSIM11,CSIM11_SSE11);    // no use SSE
	
	SetIORBit(CSIM11,CSIM11_CSIE11);   //enable CSIC11
	SetIORBit(CSIM11,CSIM11_TRMD11); 
	//ClrIORBit(IF1H, 0x02);   
	//ClrIORBit(MK1H, 0x02);   // transfer end interrupt enable 
	//SetIORBit(PR1H, 0x02);   // interrupt low  
	
}


//===============================================================

MD_STATUS CSI11_Send1Byte( unsigned char ucData)
{
	SOTB11 = ucData;
	while( (CSIM11 & CSIM11_CSOT11) ); // CSOT11 bit 1 the CSI is busy
	//while( (IF1H & IF1H_CSIIF11));
	return MD_OK;
} 
//===============================================================

MD_STATUS AT45DB_StatuRead(void)
{
	unsigned char ucTemp;
	
	SOTB11 = 0xff;
	while( (CSIM11 & CSIM11_CSOT11) );
	ucTemp = SIO11; 
	
	
	return ucTemp;
}

//===============================================================

MD_STATUS AT45DB_PageErase(unsigned int pPAdress )
{   
	unsigned int wWait = 0;
	AT45DB_CS = 0;
	
	while((!(AT45DB_StatuRead()&0x80)) &&(wWait < AT45DBBUSYWAIT)){
		
		wWait++;	    
	}
	if(wWait >= AT45DBBUSYWAIT) 
	   {
		return MD_ERROR;
	   }
	
	SOTB11 =  AT45DB_PAGE_ERASE ;
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 = (unsigned char)(pPAdress>>7);
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 = (unsigned char)(pPAdress<<1) ;
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 = 0xff;      
    while( (CSIM11 & CSIM11_CSOT11) );
	AT45DB_CS = 1;
	return MD_OK;
}

//===============================================================



void AT45DB_BlockErase(unsigned int pPAdress,unsigned int pBAdress )
{
	AT45DB_CS = 0;
	
	SOTB11 =  AT45DB_PAGE_ERASE ;
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 = (unsigned char)(pPAdress>>7);
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 = (unsigned char)(pBAdress<<1) ;
	while( (CSIM11 & CSIM11_CSOT11) );
	
	AT45DB_CS = 1;
	
}

//===============================================================

void AT45DB_BufferWrite(unsigned char ucBufSel, unsigned int pBAddr,unsigned char *pBuf)
{
	unsigned int i;
	AT45DB_CS = 0;
	
    SOTB11 = AT45DB_BUFFER1_WRITE + ucBufSel;
    while( (CSIM11 & CSIM11_CSOT11) );
	
    SOTB11 =0;
	while( (CSIM11 & CSIM11_CSOT11) );
	
    SOTB11 =(unsigned char)(pBAddr>>8);
	while( (CSIM11 & CSIM11_CSOT11) );
	
	SOTB11 =(unsigned char)(pBAddr&0x00ff);
	while( (CSIM11 & CSIM11_CSOT11) );
    for(i = 0; i < 264 ; i++)
	{
		SOTB11 = pBuf[i];
		while( (CSIM11 & CSIM11_CSOT11) );
	}
	
	AT45DB_CS = 1;	
}


//===============================================================

MD_STATUS AT45DB_MainPageToBufferCompare(unsigned char ucBufSel,unsigned int pPAddr )
{
	unsigned char ucStatu;
	AT45DB_CS = 0;
    
    SOTB11 = AT45DB_MMP_BUFFER1C + ucBufSel;
    while( (CSIM11 & CSIM11_CSOT11) );
	
    SOTB11 = (unsigned char)(pPAddr >> 7);
	while( (CSIM11 & CSIM11_CSOT11) );
	
	SOTB11 = (unsigned char)(pPAddr << 1);
	while( (CSIM11 & CSIM11_CSOT11) );
	
	SOTB11 = 0;
	while( (CSIM11 & CSIM11_CSOT11) );
	
	ucStatu = AT45DB_StatuRead();
    
	AT45DB_CS = 1;
	
	if(ucStatu & 0x40)
		return MD_OK;
	else 
		return MD_ERROR; 
}
//===============================================================

MD_STATUS AT45DB_BufferToMainPageProgramErase(unsigned char ucBufSel, unsigned int pPAddr,unsigned int pBAddr,  unsigned char *pBuf)
{ 
	
	unsigned int wWait;
	AT45DB_BufferWrite(ucBufSel,pBAddr,pBuf );
	
	AT45DB_CS = 0;
	
	while((!(AT45DB_StatuRead()&0x80)) &&(wWait < AT45DBBUSYWAIT)){
		
		wWait++;	    
	}
	if(wWait >= AT45DBBUSYWAIT) 
	   {
		return MD_ERROR;
	   }
	
	SOTB11 =  AT45DB_BUFFER1_TOMPPE + ucBufSel*3 ;
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 = (unsigned char)(pPAddr>>7);
	
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 = (unsigned char)(pPAddr<<1);
	
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 =0 ;
	while( (CSIM11 & CSIM11_CSOT11) );
	
	AT45DB_CS = 1;
	return MD_OK;
	
}  
//===============================================================    


MD_STATUS AT45DB_MainPageProgramThoughBuffer(unsigned char ucBufSel, unsigned int pPAddr,unsigned int pBAddr,unsigned int BufLength,unsigned char *pBuf)
{
	
	
	unsigned int i;
	unsigned int wWait;
	AT45DB_CS = 0;
	
	while((!(AT45DB_StatuRead()&0x80)) &&(wWait < AT45DBBUSYWAIT)){
		
		wWait++;	    
	}
	if(wWait >= AT45DBBUSYWAIT) 
	   {
		return MD_ERROR;
	   }
	
	SOTB11 =  AT45DB_MMPPT_BUFFER1 + ucBufSel*3 ;
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 = (unsigned char)(pPAddr>>7);
	
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 = (unsigned char)((pPAddr<<1)| (pBAddr>>8)&0x00ff);
	
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 = (unsigned char)(pBAddr) ;
	while( (CSIM11 & CSIM11_CSOT11) );
	
	for(i = 0; i < BufLength ; i++)
	{
		SOTB11 = pBuf[i];
		while( (CSIM11 & CSIM11_CSOT11) );
	}
	
	
	AT45DB_CS = 1;
	return MD_OK;
	
}

//===============================================================

MD_STATUS AT45DB_BufferRead(unsigned char ucBufSel, unsigned int pBAddr)
{
	unsigned int i;
	unsigned char pBuf[264];
	
	AT45DB_CS = 0;    
    SOTB11 = AT45DB_BUFFER1_READ + ucBufSel<<1;
    while( (CSIM11 & CSIM11_CSOT11) );
	
    SOTB11 =0;
	while( (CSIM11 & CSIM11_CSOT11) );
	
    SOTB11 =(unsigned char)(pBAddr>>8);
	while( (CSIM11 & CSIM11_CSOT11) );
	
	SOTB11 =(unsigned char)(pBAddr&0x00ff);
	while( (CSIM11 & CSIM11_CSOT11) );
    for(i = 0; i < 264; i++)
	{
		pBuf[i] = SIO11;
		while( (CSIM11 & CSIM11_CSOT11) );
	}
	
	AT45DB_CS = 0;
	return MD_OK;
}
//===============================================================

MD_STATUS AT45DB_MainPageToBufferTransfer(unsigned char ucBufSel, unsigned int pPAddr)

{  
   unsigned int wWait;
	AT45DB_CS = 0;
	
	while((!(AT45DB_StatuRead()&0x80)) &&(wWait < AT45DBBUSYWAIT)){
		
		wWait++;	    
	}
	if(wWait >= AT45DBBUSYWAIT) 
	   {
		return MD_ERROR;
	   }
	
	SOTB11 =  AT45DB_MMP_BUFFER1T + ucBufSel*2;
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 = (unsigned char)(pPAddr>>7);
	
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 = (unsigned char)(pPAddr<<1);
	
	while( (CSIM11 & CSIM11_CSOT11) );
	SOTB11 =0 ;
	while( (CSIM11 & CSIM11_CSOT11) );
	
	AT45DB_CS = 1;
	return MD_OK;
	
}
//===============================================================

 void AT45DB_MainPageRead(unsigned char ucBufSel, unsigned int pPAddr,unsigned int pBAddr, unsigned int BufLength)

{
 
    unsigned char pBuf[264];
    unsigned char i; 
		AT45DB_CS = 0;    
    SOTB11 = AT45DB_BUFFER1_READ + ucBufSel<<1;
    while( (CSIM11 & CSIM11_CSOT11) );
	
    SOTB11 =0;
	while( (CSIM11 & CSIM11_CSOT11) );
	
    SOTB11 =(unsigned char)(pBAddr>>8);
	while( (CSIM11 & CSIM11_CSOT11) );
	
	SOTB11 =(unsigned char)(pBAddr&0x00ff);
	while( (CSIM11 & CSIM11_CSOT11) );
	
    for(i = 0; i < BufLength; i++)
	{
		pBuf[i] = SIO11;
		while( (CSIM11 & CSIM11_CSOT11) );
	}
	
	AT45DB_CS = 0;
}