///////////////////////////////////////////////////////////////
//
//?VisualDSP++?4.0?“Flash?Programmer“?flash?driver?for?use?to
//?programm?the?STMicro.?M25P64?SPI?flash?device.
//?M25P64?--?64Mbit?（?8M?x?8?）
//?128?（sectors）?x?256?（pages）?x?256?（bytes）
//?
///////////////////////////////////////////////////////////////

//?error?enum
#include?“Errors.h“
#include?
#include?

//?#defines
#define?TRUE			0x1
#define?FALSE			0x0
//?#define?NULL			0x0
#define?BUFFER_SIZE		0x600
#define	NUM_SECTORS?	128		//?number?of?sectors?in?the?M25P20?flash?device

//Application?definitions
#define?COMMON_SPI_SETTINGS?（SPE|MSTR|CPHA|CPOL）?//Settings?to?the?SPI_CTL
#define?TIMOD01?（0x01）		//stes?the?SPI?to?work?with?core?instructions
#define?BAUD_RATE_DIVISOR?200

//Flash?commands
#define?SPI_WREN????????????（0x06）??//Set?Write?Enable?Latch
#define?SPI_WRDI????????????（0x04）??//Reset?Write?Enable?Latch
#define?SPI_RDSR????????????（0x05）??//Read?Status?Register
#define?SPI_WRSR????????????（0x01）??//Write?Status?Register
#define?SPI_READ????????????（0x03）??//Read?data?from?memory
#define?SPI_PP??????????????（0x02）??//Program?Data?into?memory
#define?SPI_SE??????????????（0xD8）??//Erase?one?sector?in?memory
#define?SPI_BE??????????????（0xC7）??//Erase?all?memory
#define?WIP					（0x1）	//Check?the?write?in?progress?bit?of?the?SPI?status?register
#define?WEL					（0x2）	//Check?the?write?enable?bit?of?the?SPI?status?register

#define?TIMEOUT????????35000*64

//?structure?for?flash?sector?information
//?for?the?purpose?of?erase?single?sectors?of?the?SPI?flash?the?right?sector?must?be?chosen
typedef?struct?_SECTORLOCATION
{
	long?lStartOff;
	long?lEndOff;
	
}SECTORLOCATION;


//?Flash?Programmer?commands
//?The?VisualDSP++?flash?progammer?plug-in?“Flash?Programmer?Tool“?will?send?commands
//?to?this?driver.?These?commands?will?be?taken?to?execute?the?corresponding?C?function
//?The?commands?are?used?at?the?switch?case?below.
typedef?enum
{
	NO_COMMAND		//?0
	GET_CODES		//?1
	RESET			//?2
	WRITE			//?3
	FILL			//?4
	ERASE_ALL		//?5
	ERASE_SECT		//?6
	READ			//?7
	GET_SECTNUM	//?8
}enProgCmds;




//?function?prototypes
ERROR_CODE?SetupForFlash（）;
ERROR_CODE?GetCodes（）;
ERROR_CODE?Wait_For_Status（char?Statusbit）;
ERROR_CODE?Wait_For_WEL（）;
ERROR_CODE?ResetFlash（）;
ERROR_CODE?EraseFlash（）;
ERROR_CODE?EraseBlock（?int?nBlock?）;
ERROR_CODE?FillData（?unsigned?long?ulStart?long?lCount?long?lStride?int?*pnData?）;
ERROR_CODE?ReadData（??unsigned?long?ulStart?long?lCount?long?lStride?int?*pnData??）;
ERROR_CODE?WriteData（?unsigned?long?ulStart?long?lCount?long?lStride?int?*pnData?）;
ERROR_CODE?GetSectorNumber（?unsigned?long?ulOffset?int?*pnSector?）;
ERROR_CODE?WriteFlash?（?unsigned?long?StartAddr?long?Count?long?Stride?int?*pnData?long?*pnWriteCount?）;

char?ReadStatusRegister（void）;
void?Wait_For_SPIF（void）;
void?SetupSPI（?const?int?spi_setting?）;
void?SPI_OF

?屬性????????????大小?????日期????時間???名稱
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?????文件??????26540??2010-10-22?11:07??M25P64.c

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????????????????26540????????????????????1