eeprom.h File Reference

Go to the source code of this file.

Macros
#define	EEPROM_ADDR   0x51
#define	EEPROM_ENABLE_WRITE_PROTECT()   OEA &= ~0x80
#define	EEPROM_DISABLE_WRITE_PROTECT()   PA7 = 0; OEA |= 0x80
#define	MSB(word)   (BYTE)(((WORD)(word) >> 8) & 0xff)
#define	LSB(word)   (BYTE)((WORD)(word) & 0xff)
#define	SWAP_ENDIAN(word)
#define	SERIAL_ADDR   0x50

Functions
void	EEWaitForStop ()
BYTE	EEWaitForAck ()
static void	EEStartAndAddr ()
void	WaitForEEPROMWrite ()
BYTE	EEPROMWritePage (WORD addr, BYTE xdata *ptr, BYTE len)
BYTE	EEPROMRead (WORD addr, BYTE length, BYTE xdata *buf)
void	WaitForEEPROMWrite2 ()
BYTE	EEWaitForDone ()
BYTE	EEPROMGetPageSize ()

Variables
BYTE	DB_Addr
BYTE	I2C_Addr
BYTE	EE_Page_Size

Macro Definition Documentation

EEPROM_ADDR

#define EEPROM_ADDR   0x51

EEPROM_DISABLE_WRITE_PROTECT

#define EEPROM_DISABLE_WRITE_PROTECT

(

)

PA7 = 0; OEA |= 0x80

EEPROM_ENABLE_WRITE_PROTECT

#define EEPROM_ENABLE_WRITE_PROTECT

(

)

OEA &= ~0x80

LSB

#define LSB

(

word

)

(BYTE)((WORD)(word) & 0xff)

MSB

#define MSB

(

word

)

(BYTE)(((WORD)(word) >> 8) & 0xff)

SERIAL_ADDR

#define SERIAL_ADDR   0x50

SWAP_ENDIAN

#define SWAP_ENDIAN

(

word

)

Value:

((BYTE*)&word)[0] ^= ((BYTE*)&word)[1];\
                     ((BYTE*)&word)[1] ^= ((BYTE*)&word)[0];\
                     ((BYTE*)&word)[0] ^= ((BYTE*)&word)[1]

Function Documentation

EEPROMGetPageSize()

BYTE EEPROMGetPageSize

(

)

EEPROMRead()

BYTE EEPROMRead	(	WORD	addr,
		BYTE	length,
		BYTE xdata *	buf
	)

EEPROMWritePage()

BYTE EEPROMWritePage	(	WORD	addr,
		BYTE xdata *	ptr,
		BYTE	len
	)

EEStartAndAddr()

static void EEStartAndAddr ( )

static

EEWaitForAck()

BYTE EEWaitForAck

(

)

EEWaitForDone()

BYTE EEWaitForDone

(

)

EEWaitForStop()

void EEWaitForStop

(

)

WaitForEEPROMWrite()

void WaitForEEPROMWrite

(

)

WaitForEEPROMWrite2()

void WaitForEEPROMWrite2

(

)

Variable Documentation

DB_Addr

BYTE DB_Addr

EE_Page_Size

BYTE EE_Page_Size

I2C_Addr

BYTE I2C_Addr