flash_map.h File Reference

Public API for flash map. More...

#include <zephyr/types.h>
#include <stddef.h>
#include <sys/types.h>
#include <zephyr/device.h>
#include <zephyr/devicetree.h>

Go to the source code of this file.

Data Structures
struct	flash_area
	Flash partition. More...
struct	flash_sector
	Structure for transfer flash sector boundaries. More...

Macros
#define	SOC_FLASH_0_ID   0
#define	SPI_FLASH_0_ID   1
#define	FLASH_AREA_LABEL_EXISTS(label)
#define	FLASH_AREA_LABEL_STR(lbl)
#define	FLASH_AREA_ID(label)
#define	FLASH_AREA_OFFSET(label)
#define	FLASH_AREA_SIZE(label)
#define	FIXED_PARTITION_EXISTS(label)   DT_FIXED_PARTITION_EXISTS(DT_NODELABEL(label))
#define	FIXED_PARTITION_ID(label)   DT_FIXED_PARTITION_ID(DT_NODELABEL(label))
#define	FIXED_PARTITION_OFFSET(label)   DT_REG_ADDR(DT_NODELABEL(label))
#define	FIXED_PARTITION_SIZE(label)   DT_REG_SIZE(DT_NODELABEL(label))
#define	FLASH_AREA_DEVICE(label)    DEVICE_DT_GET(DT_MTD_FROM_FIXED_PARTITION(DT_NODE_BY_FIXED_PARTITION_LABEL(label)))
#define	FIXED_PARTITION_DEVICE(label)    DEVICE_DT_GET(DT_MTD_FROM_FIXED_PARTITION(DT_NODELABEL(label)))

Typedefs
typedef void(*	flash_area_cb_t) (const struct flash_area *fa, void *user_data)

Functions
int	flash_area_open (uint8_t id, const struct flash_area **fa)
	Retrieve partitions flash area from the flash_map. More...
void	flash_area_close (const struct flash_area *fa)
	Close flash_area. More...
int	flash_area_read (const struct flash_area *fa, off_t off, void *dst, size_t len)
	Read flash area data. More...
int	flash_area_write (const struct flash_area *fa, off_t off, const void *src, size_t len)
	Write data to flash area. More...
int	flash_area_erase (const struct flash_area *fa, off_t off, size_t len)
	Erase flash area. More...
uint32_t	flash_area_align (const struct flash_area *fa)
	Get write block size of the flash area. More...
int	flash_area_get_sectors (int fa_id, uint32_t *count, struct flash_sector *sectors)
void	flash_area_foreach (flash_area_cb_t user_cb, void *user_data)
int	flash_area_has_driver (const struct flash_area *fa)
const struct device *	flash_area_get_device (const struct flash_area *fa)
uint8_t	flash_area_erased_val (const struct flash_area *fa)

Detailed Description

Public API for flash map.