Driver for internal flash devices implementing flashpage interface. More...
Driver for internal flash devices implementing flashpage interface.
The MTD device created by MTD_FLASHPAGE_INIT_VAL spans the complete accessible flash page memory. To expose merely an area of that as a single MTD partition, the MTD address mapper can be used.
Files | |
file | mtd_flashpage.h |
Interface definition for the flashpage memory driver. | |
Data Structures | |
struct | mtd_flashpage_t |
MTD flashpage descriptor. More... | |
Macros | |
#define | MTD_FLASHPAGE_INIT_VAL(_pages_per_sector) |
Macro helper to initialize a mtd_t with flashpage driver. | |
#define | MTD_FLASHPAGE_AUX_INIT_VAL(start, len) |
Macro helper to initialize a mtd_t with a portion of the flash. | |
#define | CONFIG_SLOT_AUX_LEN 0 |
Size of the auxiliary slot on the internal flash Must align with the flash page size. | |
#define | CONFIG_SLOT_AUX_MTD_OFFSET 1 |
Default MTD offset for the AUX slot. | |
Variables | |
const mtd_desc_t | mtd_flashpage_driver |
Flashpage MTD device operations table. | |
mtd_flashpage_t | mtd_flash_aux_slot |
MTD device representing the auxiliary flash slot. | |
mtd_dev_t * | mtd_aux |
Generic MTD device backed by the auxiliary flash slot. | |
#define CONFIG_SLOT_AUX_LEN 0 |
Size of the auxiliary slot on the internal flash Must align with the flash page size.
SLOT_AUX_LEN
in the board's Makefile.include
This value is fixed and can not be changed in the field / via firmware updates. Changing this value requires re-flashing of riotboot.
Definition at line 106 of file mtd_flashpage.h.
#define CONFIG_SLOT_AUX_MTD_OFFSET 1 |
Default MTD offset for the AUX slot.
Definition at line 113 of file mtd_flashpage.h.
#define MTD_FLASHPAGE_AUX_INIT_VAL | ( | start, | |
len | |||
) |
Macro helper to initialize a mtd_t with a portion of the flash.
[in] | start | Start address of the flash section |
[in] | len | Size of the flash section in bytes |
Definition at line 56 of file mtd_flashpage.h.
#define MTD_FLASHPAGE_INIT_VAL | ( | _pages_per_sector | ) |
Macro helper to initialize a mtd_t with flashpage driver.
Definition at line 40 of file mtd_flashpage.h.