w25x_m.h

大容量Flash存储器W25X16,W25X32,W25X64读写擦除程序

sbit	W25X_WP	= P1^3;
sbit	W25X_CS	= P1^4;
sbit	W25X_DI	= P1^5;
sbit	W25X_DO	= P1^6;
sbit	W25X_CLK= P1^7;

#define W25X_WriteEnable		0x06
#define W25X_WriteDisable		0x04
#define W25X_ReadStatusReg		0x05
#define W25X_WriteStatusReg		0x01
#define W25X_ReadData			0x03
#define W25X_FastReadData		0x0B
#define W25X_FastReadDual		0x3B
#define W25X_PageProgram		0x02
#define W25X_BlockErase			0xD8
#define W25X_SectorErase		0x20
#define W25X_ChipErase			0xC7
#define W25X_PowerDown			0xB9
#define W25X_ReleasePowerDown	0xAB
#define W25X_DeviceID			0xAB
#define W25X_ManufactDeviceID	0x90
#define W25X_JedecDeviceID		0x9F

#define nop() _nop_()

extern	uchar	SPI_Read_StatusReg();
extern	void	SPI_Write_StatusReg(byte);
extern	void	SPI_Write_Enable();
extern	void	SPI_Write_Disable();
extern	uchar	SPI_Read_ID1();
extern	uint	SPI_Read_ID2(uchar ID_Addr);
extern	uint	SPI_Read_ID3();
extern	uchar	SPI_Read_Byte(uint32 Dst_Addr); 
extern	void	SPI_Read_nBytes(uint32 Dst_Addr, uchar nBytes_128);
extern	uchar	SPI_FastRead_Byte(uint32 Dst_Addr); 
extern	void	SPI_FastRead_nBytes(uint32 Dst_Addr, uchar nBytes_128);
extern	void	SPI_Write_Byte(uint32 Dst_Addr, uchar byte);
extern	void	SPI_Write_nBytes(uint32 Dst_Addr, uchar nBytes_128);
extern	void	SPI_Erase_Chip();
extern	void	SPI_Erase_Sector(uint32 Dst_Addr);
extern	void	SPI_Wait_Busy();
extern	void	SPI_PowerDown();
extern	void	SPI_ReleasePowerDown();
extern	void	SPI_init();
extern	void	SPI_Send_Byte(uchar out);
extern	uchar	SPI_Get_Byte();
extern	void	delay_nms(uchar i);
extern	void	delay(uchar tt);