Driver for the LaunchPad Flash and the Sensortag WinBond W25X20CL/W25X40CL. More...

#include "contiki.h"
#include "ext-flash.h"
#include "ti-lib.h"
#include "board-spi.h"
#include <stdint.h>
#include <stdbool.h>

Macros
#define	BLS_CODE_PROGRAM 0x02
	Page Program.

#define	BLS_CODE_READ 0x03
	Read Data.

#define	BLS_CODE_READ_STATUS 0x05
	Read Status Register.

#define	BLS_CODE_WRITE_ENABLE 0x06
	Write Enable.

#define	BLS_CODE_SECTOR_ERASE 0x20
	Sector Erase.

#define	BLS_CODE_MDID 0x90
	Manufacturer Device ID.

#define	BLS_CODE_PD 0xB9
	Power down.

#define	BLS_CODE_RPD 0xAB
	Release Power-Down.

#define	BLS_CODE_ERASE_4K 0x20
	Sector Erase.

#define	BLS_CODE_ERASE_ALL 0xC7
	Mass Erase.

#define	BLS_STATUS_BIT_BUSY 0x01
	Busy bit of the status register.

Functions
static void	select_on_bus (void)
	Clear external flash CSN line.

static void	deselect (void)
	Set external flash CSN line.

static bool	wait_ready (void)
	Wait till previous erase/program operation completes. More...

static uint8_t	verify_part (void)
	Verify the flash part. More...

static void	power_down (void)
	Put the device in power save mode. More...

static bool	power_standby (void)
	Take device out of power save mode and prepare it for normal operation. More...

static bool	write_enable (void)
	Enable write. More...

bool	ext_flash_open (void)
	Initialize storage driver. More...

void	ext_flash_close (void)
	Close the storage driver. More...

bool	ext_flash_read (size_t offset, size_t length, uint8_t *buf)
	Read storage content. More...

bool	ext_flash_write (size_t offset, size_t length, const uint8_t *buf)
	Write to storage sectors. More...

bool	ext_flash_erase (size_t offset, size_t length)
	Erase storage sectors corresponding to the range. More...

bool	ext_flash_test (void)
	Test the flash (power on self-test) More...

void	ext_flash_init (void)
	Initialise the external flash. More...

Detailed Description

Driver for the LaunchPad Flash and the Sensortag WinBond W25X20CL/W25X40CL.

Definition in file ext-flash.c.

Macros