N25q128#

group drv_n25q128: Driver for the Micron N25Q128 flash memory driver.

Author: Alexandre Abadie alexandre.abadie@inria.fr
Copyright: Inria, 2024-present

Defines

N25Q128_PAGE_SIZE#: size in Bytes

N25Q128_PAGE_COUNT#: 65536

N25Q128_SECTOR_SIZE#: 64KB

N25Q128_MAIN_SECTOR_COUNT#: 248

N25Q125_BOOT_SECTOR_COUNT#: 8 * 64KB

N25Q128_MAIN_MEMORY_BOTTOM_START_ADDRESS#: 3-bytes address

N25Q128_MAIN_MEMORY_TOP_START_ADDRESS#: 3-bytes address

N25Q128_MAIN_MEMORY_UNIFORM_START_ADDRESS#: 3-bytes address

N25Q128_ADDRESS_LENGTH#: 3-bytes length address

N25Q128_MANUFACTURER#

N25Q128_MEMORY_TYPE#

N25Q128_MEMORY_CAPACITY#: 128Mbit

N25Q128_EDID_LENGTH#

N25Q128_EDID_VCR_XIP_MASK#

N25Q128_EDID_HOLD_RESET_MASK#

N25Q128_EDID_ADRESSING_MASK#

N25Q128_EDID_ARCHITECTURE_MASK#

Enums

enum n25q128_architecture_t#

N25Q128 architecture types.

Values:

enumerator N25Q128_ARCHITECTURE_UNIFORM#

enumerator N25Q128_ARCHITECTURE_BOTTOM#

enumerator N25Q128_ARCHITECTURE_TOP#

Functions

void n25q128_init(const n25q128_conf_t *conf)#

Initializes the N25Q128 flash memory.

Parameters:

conf – [in] pointer to the init configuration

void n25q128_base_address(uint32_t *address)#

Returns the memory base address from the read identification.

Parameters:

address – [out] pointer to result base address

void n25q128_read_status_register(uint8_t *status)#

Reads status register.

Parameters:

status – [out] pointer to the output status byte

void n25q128_program_page(uint32_t address, uint8_t *in, size_t length)#

Write data in a page.

Parameters:

address – [in] address (only the 3 lower bytes are used)
in – [in] pointer to input array
length – [in] number of bytes to program

void n25q128_sector_erase(uint32_t address)#

Erase a sector on the flash memory.

Parameters:

address – [in] address (only the 3 lower bytes are used)

void n25q128_write_enable(void)#: Enable flash write.

void n25q128_write_disable(void)#: Disable flash write.

void n25q128_bulk_erase(void)#: Erase whole flash memory.

void n25q128_read(uint32_t address, uint8_t *out, size_t length)#

Read data on flash memory.

Parameters:

address – [in] address (only the 3 lower bytes are used)
out – [out] pointer to the destination array
length – [in] number of bytes to read

struct n25q128_identification_t#

Identification data.

Public Members

uint8_t manufacturer#: Manufacturer.

uint8_t memory_type#: Memory type.

uint8_t memory_size#: Memory size.

uint8_t uid_length#: Length of Extended device ID + Customized Factory Data.

uint8_t edid#: Extended device ID.

struct n25q128_conf_t#

N25Q128 init configuration.

Public Members

const gpio_t *sck#: SCK gpio.

const gpio_t *mosi#: MOSI gpio.

const gpio_t *miso#: MISO gpio.

const gpio_t *cs#: CS gpio.