eeprom.c File Reference

#include <stdio.h>
#include <sys/types.h>

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Defines
#define	NO_STDIO_NUT_WRAPPER
	Provides the avr eeprom api. It uses the file 'btnode_eerpom.bin' to store its content.
Functions
void	unix_eeprom_acces (const void *addr)
void	eeprom_write_byte (unsigned char *addr, unsigned char val)
void	eeprom_read_block (void *buf, const void *addr, size_t n)
uint8_t	eeprom_read_byte (const unsigned char *addr)
uint16_t	eeprom_read_word (const unsigned short *addr)
int	NutNvMemLoad (unsigned int addr, void *buff, size_t siz)
	Load data from AVR EEPROM.
int	NutNvMemSave (unsigned int addr, const void *buff, size_t len)
	Save data in AVR EEPROM.

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Define Documentation

#define NO_STDIO_NUT_WRAPPER

Provides the avr eeprom api. It uses the file 'btnode_eerpom.bin' to store its content.

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Function Documentation

void unix_eeprom_acces

(

const void *

addr

)

References fclose(), fopen(), fseek(), printf, and SEEK_SET.

Referenced by eeprom_read_block(), eeprom_read_byte(), eeprom_read_word(), and eeprom_write_byte().

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void eeprom_write_byte	(	unsigned char *	addr,
		unsigned char	val
	)

write a byte val to EEPROM address addr

References fflush(), fwrite(), and unix_eeprom_acces().

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void eeprom_read_block	(	void *	buf,
		const void *	addr,
		size_t	n
	)

read a block of n bytes from EEPROM address addr to buf

References fread(), and unix_eeprom_acces().

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uint8_t eeprom_read_byte

(

const unsigned char *

addr

)

read one byte from EEPROM address addr

References fread(), and unix_eeprom_acces().

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uint16_t eeprom_read_word

(

const unsigned short *

addr

)

read one 16-bit word (little endian) from EEPROM address addr

References fread(), and unix_eeprom_acces().

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int NutNvMemLoad	(	unsigned int	addr,
		void *	buff,
		size_t	siz
	)

Load data from AVR EEPROM.

Returns:

Allways 0.

References eeprom_read_block.

int NutNvMemSave	(	unsigned int	addr,
		const void *	buff,
		size_t	len
	)

Save data in AVR EEPROM.

Returns:

Allways 0.

References eeprom_read_byte, and eeprom_write_byte.