Zephyr API Documentation  2.7.0-rc2
A Scalable Open Source RTOS
flash_map.h File Reference

Public API for flash map. More...

#include <zephyr/types.h>
#include <stddef.h>
#include <sys/types.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)    DT_HAS_FIXED_PARTITION_LABEL(label)
 
#define FLASH_AREA_LABEL_STR(lbl)    DT_PROP(DT_NODE_BY_FIXED_PARTITION_LABEL(lbl), label)
 
#define FLASH_AREA_ID(label)    DT_FIXED_PARTITION_ID(DT_NODE_BY_FIXED_PARTITION_LABEL(label))
 
#define FLASH_AREA_OFFSET(label)    DT_REG_ADDR(DT_NODE_BY_FIXED_PARTITION_LABEL(label))
 
#define FLASH_AREA_SIZE(label)    DT_REG_SIZE(DT_NODE_BY_FIXED_PARTITION_LABEL(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...
 
uint8_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 deviceflash_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.