littlefs_driver.c File Reference

#include "littlefs/flash_driver.h"
#include "littlefs/littlefs_driver.h"
#include "main.h"

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Functions
static FLASH_Physical_Address_t	_block_plus_offset_to_address (lfs_block_t block, lfs_off_t offset)
uint8_t	LFS_get_chip_number (lfs_block_t block_num)
int	LFS_block_device_read (const struct lfs_config *c, lfs_block_t block, lfs_off_t off, void *buffer, lfs_size_t size)
	LittleFS read function, memory is mapped to a physical address here.
int	LFS_block_device_prog (const struct lfs_config *c, lfs_block_t block, lfs_off_t off, const void *buffer, lfs_size_t size)
	LittleFS write function, memory is mapped to a physical address here.
int	LFS_block_device_erase (const struct lfs_config *c, lfs_block_t block)
	LittleFS erase function, memory is mapped to a physical address here.
int	LFS_block_device_sync (const struct lfs_config *c)
	LittleFS sync function.

Variables
SPI_HandleTypeDef *	hspi_lfs_ptr = &hspi1

Function Documentation

_block_plus_offset_to_address()

static FLASH_Physical_Address_t _block_plus_offset_to_address ( lfs_block_t block, lfs_off_t offset )

inlinestatic

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LFS_block_device_erase()

int LFS_block_device_erase	(	const struct lfs_config *	c,
		lfs_block_t	block )

LittleFS erase function, memory is mapped to a physical address here.

Parameters

LittleFS

Configurations, Block to erase

Returns

int - any error codes that happened in littlefs

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LFS_block_device_prog()

int LFS_block_device_prog	(	const struct lfs_config *	c,
		lfs_block_t	block,
		lfs_off_t	off,
		const void *	buffer,
		lfs_size_t	size )

LittleFS write function, memory is mapped to a physical address here.

Parameters

LittleFS

Configurations, Block to read, offset, buffer, buffer size

Returns

int - any error codes that happened in littlefs

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LFS_block_device_read()

int LFS_block_device_read	(	const struct lfs_config *	c,
		lfs_block_t	block,
		lfs_off_t	off,
		void *	buffer,
		lfs_size_t	size )

LittleFS read function, memory is mapped to a physical address here.

Parameters

LittleFS

Configurations, Block to write, offset, buffer, buffer size

Returns

int - any error codes that happened in littlefs

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LFS_block_device_sync()

int LFS_block_device_sync

(

const struct lfs_config *

c

)

LittleFS sync function.

Parameters

c	- LittleFS Configuration

Returns

int - 0 since we are not caching reads or writes

LFS_get_chip_number()

uint8_t LFS_get_chip_number

(

lfs_block_t

block_num

)

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Variable Documentation

hspi_lfs_ptr

SPI_HandleTypeDef* hspi_lfs_ptr = &hspi1