nvram.c File Reference

#include <string.h>
#include "compiler.h"
#include "preprocessor.h"
#include "board.h"
#include "power_clocks_lib.h"
#include "gpio.h"
#include "spi.h"
#include "conf_at45dbx.h"
#include "at45dbx.h"
#include <ports/avr32/board_init.h>
#include <util/nvram.h>

Data Structures
struct	nvram

Functions
void	at45dbx_read_multiple_sector_callback (const void *psector)
	Invoked by at45dbx driver. More...
void	at45dbx_write_multiple_sector_callback (void *psector)
	Invoked by at45dbx driver. More...
int	nvram_init (void)
int	nvram_read (uint32_t addr, void *data, uint32_t len)
	Read any number bytes into any offset of nor flash. More...
static int	nvram_rw (uint32_t addr, void *data, uint16_t len, int write)
	Write/read any number bytes into any offset of nor flash by taking care of cases where the length is not aligned to the sector size or where the addr is not aligned to the sector offsets. More...
int	nvram_write (uint32_t addr, const void *data, uint32_t len)
	Write any number bytes into any offset of nor flash. More...

Variables
static struct nvram	PRIV

int nvram_init

(

void

)

References at45dbx_init(), AT45DBX_SPI_BITS, AT45DBX_SPI_FIRST_NPCS, AT45DBX_SPI_MASTER_SPEED, FPBA_HZ, and spi_options_t::reg.

Referenced by main().

int nvram_read	(	uint32_t	addr,
		void *	data,
		uint32_t	len
	)

Read any number bytes into any offset of nor flash.

References nvram_rw().

Referenced by ak8975_calibrate(), ak8975_init(), hmc5883l_calibrate(), hmc5883l_init(), main(), sfh7770_calibrate(), and sfh7770_init().

static int nvram_rw ( uint32_t  addr, void *  data, uint16_t  len, int  write  )

static

Write/read any number bytes into any offset of nor flash by taking care of cases where the length is not aligned to the sector size or where the addr is not aligned to the sector offsets.

References at45dbx_read_close(), at45dbx_read_multiple_sector(), at45dbx_read_open(), AT45DBX_SECTOR_SIZE, at45dbx_write_close(), at45dbx_write_multiple_sector(), at45dbx_write_open(), nvram::data, data, nvram::len, nvram::off, PRIV, and nvram::read.

Referenced by nvram_read(), and nvram_write().

int nvram_write	(	uint32_t	addr,
		const void *	data,
		uint32_t	len
	)

Write any number bytes into any offset of nor flash.

References nvram_rw().

Referenced by ak8975_calibrate(), hmc5883l_calibrate(), main(), sfh7770_calibrate(), and sfh7770_set_threshold().

struct nvram PRIV

static

Referenced by at45dbx_read_multiple_sector_callback(), at45dbx_write_multiple_sector_callback(), and nvram_rw().