MBRBlockDevice

/*
 * Copyright (c) 2017-2020 Arm Limited and affiliates.
 * SPDX-License-Identifier: Apache-2.0
 */

#include "mbed.h"
#include "HeapBlockDevice.h"
#include "MBRBlockDevice.h"

#define BLOCK_SIZE 512

int main(void)
{
    // Create a block device with 64 blocks of size 512
    printf("Create a block device with 64 blocks of size 512\n");
    HeapBlockDevice mem(64 * BLOCK_SIZE, BLOCK_SIZE);

    // Partition into two partitions with ~half the blocks
    printf("Partition into two partitions with ~half the blocks\n");
    MBRBlockDevice::partition(&mem, 1, 0x83, 0 * BLOCK_SIZE, 32 * BLOCK_SIZE);
    MBRBlockDevice::partition(&mem, 2, 0x83, 32 * BLOCK_SIZE);

    // Create a block device that maps to the first 32 blocks (excluding MBR block)
    printf("Create a block device that maps to the first 32 blocks (excluding MBR block)\n");
    MBRBlockDevice part1(&mem, 1);

    // Create a block device that maps to the last 32 blocks
    printf("Create a block device that maps to the last 32 blocks\n");
    MBRBlockDevice part2(&mem, 2);
}

/*
 * Copyright (c) 2017-2020 Arm Limited and affiliates.
 * SPDX-License-Identifier: Apache-2.0
 */

#include "mbed.h"
#include "SDBlockDevice.h"
#include "MBRBlockDevice.h"
#include "FATFileSystem.h"

int main(void)
{
    // Create an SD card
    printf("Creating SD block device\n");
    SDBlockDevice sd(MBED_CONF_SD_SPI_MOSI, MBED_CONF_SD_SPI_MISO, MBED_CONF_SD_SPI_CLK, MBED_CONF_SD_SPI_CS);

    // Create a partition with 1 GB of space
    printf("Creating a partition with 1GB of space\n");
    MBRBlockDevice::partition(&sd, 1, 0x83, 0, 1024 * 1024);

    // Create the block device that represents the partition
    printf("Create the block device that represents the partition\n");
    MBRBlockDevice part1(&sd, 1);

    // Format the partition with a FAT filesystem
    printf("Format the partition with a FAT filesystem\n");
    FATFileSystem::format(&part1);

    // Create the FAT filesystem instance, files can now be written to
    // the FAT filesystem in partition 1
    printf("Create the FAT filesystem instance, files can now be written to the FAT filesystem in partition 1\n");
    FATFileSystem fat("fat", &part1);

    printf("To verify that the example worked, read the SD on a Windows machine.\n");
}