at24c.h File Reference

#include <sys/types.h>
#include <stdint.h>
#include <cfg/eeprom.h>

Include dependency graph for at24c.h:

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

Go to the source code of this file.

Data Structures
struct	at24c
Defines
#define	NUT_CONFIG_AT24_ADR   0x50
Functions
int	At24cWrite (struct at24c *at24cs, uint8_t *buffer, uint16_t len, uint16_t addr)
	Write data into eeprom memory.
int	At24cRead (struct at24c *at24cs, uint8_t *buffer, uint16_t len, uint16_t addr)
	Read data from EEPROM with ACK-Polling support.

---

Define Documentation

#define NUT_CONFIG_AT24_ADR   0x50

Referenced by EEInit(), and ShowHardwareConfiguration().

---

Function Documentation

int At24cWrite	(	struct at24c *	at24cs,
		uint8_t *	buffer,
		uint16_t	len,
		uint16_t	addr
	)

Write data into eeprom memory.

Parameters:

at24cs	Device descriptor.
buffer	Buffer to transfer to EEPROM.
len	Number of bytes to write.
addr	Address in EEPROM to place data.

Returns:

0 on success or -1 in case of an error.

References at24c::ee_mutex, NutEventPost(), NutEventWait(), at24c::PageSize, printf, rc, at24c::SlaveAddress, and at24c::Timeout.

Referenced by EEWriteData().

Here is the call graph for this function:

int At24cRead	(	struct at24c *	at24cs,
		uint8_t *	buffer,
		uint16_t	len,
		uint16_t	addr
	)

Read data from EEPROM with ACK-Polling support.

Parameters:

at24cs	Device descriptor.
buffer	Buffer to transfer to from EEPROM.
len	Number of bytes to read.
addr	Address in EEPROM where to read from.

Returns:

0 on success or -1 in case of an error.

References at24c::ee_mutex, NutEventPost(), NutEventWait(), at24c::PageSize, printf, rc, at24c::SlaveAddress, and at24c::Timeout.

Referenced by EEInit(), and EEReadData().

Here is the call graph for this function: