at24cxxx.h File Reference

Device driver interface for AT24CXXX EEPROM units. More...

Detailed Description

Device driver interface for AT24CXXX EEPROM units.

Author

Fabian Hüßler fabia.nosp@m.n.hu.nosp@m.essle.nosp@m.r@ov.nosp@m.gu.de

Definition in file at24cxxx.h.

#include <stdint.h>
#include "periph/gpio.h"
#include "periph/i2c.h"

Include dependency graph for at24cxxx.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	at24cxxx_params
	Struct that holds initialization parameters. More...
struct	at24cxxx_t
	Struct that represents an AT24CXXX device. More...

Typedefs
typedef struct at24cxxx_params	at24cxxx_params_t
	Struct that holds initialization parameters.

Enumerations
enum	{ AT24CXXX_OK , AT24CXXX_I2C_ERROR }
	Return values. More...

Functions
int	at24cxxx_init (at24cxxx_t *dev, const at24cxxx_params_t *params)
	Initialize an AT24CXXX device handle with AT24CXXX parameters.
int	at24cxxx_read_byte (const at24cxxx_t *dev, uint32_t pos, void *dest)
	Read a byte at a given position pos.
int	at24cxxx_read (const at24cxxx_t *dev, uint32_t pos, void *data, size_t len)
	Sequentially read len bytes from a given position pos.
int	at24cxxx_write_byte (const at24cxxx_t *dev, uint32_t pos, uint8_t data)
	Write a byte at a given position pos.
int	at24cxxx_write (const at24cxxx_t *dev, uint32_t pos, const void *data, size_t len)
	Sequentially write len bytes from a given position pos.
int	at24cxxx_set (const at24cxxx_t *dev, uint32_t pos, uint8_t val, size_t len)
	Set len bytes from a given position pos to the value val.
int	at24cxxx_clear (const at24cxxx_t *dev, uint32_t pos, size_t len)
	Set len bytes from position pos to AT24CXXX_CLEAR_BYTE.
int	at24cxxx_erase (const at24cxxx_t *dev)
	Set the entire EEPROM memory to AT24CXXX_CLEAR_BYTE.
int	at24cxxx_enable_write_protect (const at24cxxx_t *dev)
	Enable write protection.
int	at24cxxx_disable_write_protect (const at24cxxx_t *dev)
	Disable write protection.