lpc177x_8x_eeprom.c File Reference

#include <inttypes.h>
#include <sys/timer.h>
#include <arch/cm3.h>
#include <arch/cm3/nxp/lpc177x_8x.h>
#include <arch/cm3/nxp/lpc177x_8x_clk.h>
#include <arch/cm3/nxp/lpc177x_8x_eeprom.h>

Include dependency graph for lpc177x_8x_eeprom.c:

Functions
void	Lpc177x_8x_EepromInit (void)
	Initialize EEPROM.
int	Lpc177x_8x_EepromRead (uint16_t addr, void *buff, size_t size)
	Read data from EEPROM at specific address.
int	Lpc177x_8x_EepromWrite (uint16_t addr, const void *buff, size_t size)
	Write data to EEPROM at specific address.

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Function Documentation

void Lpc177x_8x_EepromInit

(

void

)

Initialize EEPROM.

Initialize the eeprom memeory. Therefore enable power and setup clocks

Parameters:

none

Returns:

none

References LPC_EEPROM, NUT_HWCLK_CPU, and NutArchClockGet().

Referenced by Lpc177x_8x_EepromRead(), and Lpc177x_8x_EepromWrite().

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int Lpc177x_8x_EepromRead	(	uint16_t	addr,
		void *	buff,
		size_t	size
	)

Read data from EEPROM at specific address.

Parameters:

address	EEPROM address that start to write data, it must be in range 0..0x1000
buff	buffer to place the read data in
size	number of bytes to be read

Returns:

none

References _BV, EEPROM_CMD_8_BIT_READ, EEPROM_CMD_RDPREFETCH, EEPROM_ENDOF_PROG, EEPROM_ENDOF_RW, EEPROM_PAGE_ADRESS, EEPROM_PAGE_NUM, EEPROM_PAGE_NUM_MASK, EEPROM_PAGE_OFFSET, EEPROM_PAGE_OFFSET_MASK, EEPROM_PAGE_SIZE, EEPROM_SIZE, Lpc177x_8x_EepromInit(), and LPC_EEPROM.

Referenced by NutNvMemLoad().

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int Lpc177x_8x_EepromWrite	(	uint16_t	addr,
		const void *	buff,
		size_t	size
	)

Write data to EEPROM at specific address.

Parameters:

address	EEPROM address that start to write data, it must be in range 0..0x1000
buff	buffer that contain data that will be written to buffer
size	number of bytes to be written

Returns:

none

References _BV, EEPROM_CMD_8_BIT_WRITE, EEPROM_CMD_ERASE_PRG_PAGE, EEPROM_ENDOF_PROG, EEPROM_ENDOF_RW, EEPROM_PAGE_ADRESS, EEPROM_PAGE_NUM, EEPROM_PAGE_NUM_MASK, EEPROM_PAGE_OFFSET, EEPROM_PAGE_OFFSET_MASK, EEPROM_PAGE_SIZE, EEPROM_SIZE, Lpc177x_8x_EepromInit(), and LPC_EEPROM.

Referenced by NutNvMemSave().

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