Flash Control Mass Erase & Write 32-bit enabled mode Example. More...

#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include "mxc_assert.h"
#include "mxc_device.h"
#include "flc.h"
#include "flash.h"
#include "littlefs/lfs.h"

Macros
#define	APP_PAGE_CNT 8
	Flash memory blocks reserved for the app code. More...

#define	APP_SIZE (MXC_FLASH_PAGE_SIZE*APP_PAGE_CNT)
	The app code flash memory area size. More...

#define	TESTSIZE (MXC_FLASH_PAGE_SIZE)
	8 pages of 32 bit samples More...

#define	TOTAL_FLASH_PAGES (MXC_FLASH_MEM_SIZE / MXC_FLASH_PAGE_SIZE)
	Flash memory blocks reserved for internal storage. More...

#define	FLASH_STORAGE_START_PAGE 8
	Internal storage first flash memory block. More...

#define	FLASH_STORAGE_PAGE_CNT 8
	Flash memory blocks reserved for the internal storage. More...

#define	FLASH_STORAGE_START_ADDR MXC_FLASH_PAGE_ADDR(FLASH_STORAGE_START_PAGE)
	Internal storage start address. More...

#define	FLASH_STORAGE_SIZE FLASH_STORAGE_PAGE_CNT * MXC_FLASH_PAGE_SIZE
	Internal storage size. More...

#define	FULL_WRITE_TEST 0

#define	FULL_READ_TEST 0

Functions
int	main (void)
	Application entry point. More...

Variables
uint32_t	testdata [TESTSIZE]
	Test data buffer. More...

lfs_t	lfs
	File system instance. More...

uint32_t	start_block = FLASH_STORAGE_START_PAGE
	Internal memory start block to be passed to flash functions by littlefs. More...

const struct lfs_config	cfg

Detailed Description

Flash Control Mass Erase & Write 32-bit enabled mode Example.

This example shows how to mass erase the flash using the library and also how to Write and Verify 4 Words to the flash.

Macro Definition Documentation

◆ APP_PAGE_CNT

#define APP_PAGE_CNT 8

Flash memory blocks reserved for the app code.

◆ APP_SIZE

#define APP_SIZE (MXC_FLASH_PAGE_SIZE*APP_PAGE_CNT)

The app code flash memory area size.

◆ FLASH_STORAGE_PAGE_CNT

#define FLASH_STORAGE_PAGE_CNT 8

Flash memory blocks reserved for the internal storage.

◆ FLASH_STORAGE_SIZE

#define FLASH_STORAGE_SIZE FLASH_STORAGE_PAGE_CNT * MXC_FLASH_PAGE_SIZE

Internal storage size.

◆ FLASH_STORAGE_START_ADDR

#define FLASH_STORAGE_START_ADDR MXC_FLASH_PAGE_ADDR(FLASH_STORAGE_START_PAGE)

Internal storage start address.

◆ FLASH_STORAGE_START_PAGE

#define FLASH_STORAGE_START_PAGE 8

Internal storage first flash memory block.

◆ FULL_READ_TEST

#define FULL_READ_TEST 0

◆ FULL_WRITE_TEST

#define FULL_WRITE_TEST 0

◆ TESTSIZE

#define TESTSIZE (MXC_FLASH_PAGE_SIZE)

8 pages of 32 bit samples

◆ TOTAL_FLASH_PAGES

#define TOTAL_FLASH_PAGES (MXC_FLASH_MEM_SIZE / MXC_FLASH_PAGE_SIZE)

Flash memory blocks reserved for internal storage.

Function Documentation

◆ main()

int main ( void )

Application entry point.

Returns: Exit code

Variable Documentation

◆ cfg

const struct lfs_config cfg

Initial value:

= {
        .context = &start_block,
        
        .read = flash_read,
        .prog = flash_write,
        .erase = flash_erase,
        .sync = flash_sync,
 
        
        .read_size = 1,
        .prog_size = 4,
        .block_size = MXC_FLASH_PAGE_SIZE,
        .block_count = FLASH_STORAGE_PAGE_CNT,
        .cache_size = 16,
        .lookahead_size = 16,
        .block_cycles = 500,
}

◆ lfs

lfs_t lfs

File system instance.

◆ start_block

uint32_t start_block = FLASH_STORAGE_START_PAGE

Internal memory start block to be passed to flash functions by littlefs.

◆ testdata

uint32_t testdata[TESTSIZE]

Test data buffer.

Macros

Functions

Variables