eep_lib.h File Reference

This file contains a set of routines to perform eeprom access. More...

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Defines
#define	EEPROM_BLANK_VALUE   0xFF
Functions
bit	eeprom_erase (void)
	This function erases the whole eeprom memory.
bit	eeprom_wr_byte (Uint16 addr, Uchar value)
	This function writes a byte in the eeprom memory.
Byte	eeprom_rd_byte (Uint16 addr)
	This function reads a byte in the eeprom memory.
bit	eeprom_rd_block (Uint16 src, Byte _MemType_ *dest, Byte n)
	This function reads up to 256 bytes in the eeprom memory.
bit	eeprom_wr_block (Byte _MemType_ *src, Uint16 dest, U16 n)
	This function writes up to 256 bytes in the eeprom memory.

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Detailed Description

This file contains a set of routines to perform eeprom access.

• Compiler: IAR EWAVR and GNU GCC for AVR
• Supported devices: ATmega32U4

Author:

Atmel Corporation: http://www.atmel.com
Support and FAQ: http://support.atmel.no/

Definition in file eep_lib.h.

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Define Documentation

#define EEPROM_BLANK_VALUE   0xFF

Definition at line 51 of file eep_lib.h.

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Function Documentation

bit eeprom_erase

(

void

)

This function erases the whole eeprom memory.

Returns:

The result of function.

• FALSE: result KO
• TRUE: result OK

bit eeprom_wr_byte	(	Uint16	addr,
		Uchar	value
	)

This function writes a byte in the eeprom memory.

Parameters:

addr	Address of the eeprom memory to write
value	Byte to write

Returns:

The result of function.

• FALSE: result KO
• TRUE: result OK

Byte eeprom_rd_byte

(

Uint16

addr )

This function reads a byte in the eeprom memory.

Parameters:

addr	Address of the eeprom memory to read

Returns:

Value read in the eeprom memory

bit eeprom_rd_block	(	Uint16	src,
		Byte _MemType_ *	dest,
		Byte	n
	)

This function reads up to 256 bytes in the eeprom memory.

Parameters:

src	Address of the array to store read data
*dest	Address of the eeprom memory to read
n	number of byte to read

Returns:

The result of function.

• FALSE: result KO
• TRUE: result OK

bit eeprom_wr_block	(	Byte _MemType_ *	src,
		Uint16	dest,
		U16	n
	)

This function writes up to 256 bytes in the eeprom memory.

Parameters:

*src	Address of the array to write
dest	Address of the eeprom memory to write
n	number of byte to write

Returns:

The result of function.

• FALSE: result KO
• TRUE: result OK