mbed_example / Mbed OS ChainingBlockDevice_ex_2

ChainingBlockDevice example to showcase programming and reading from a chained group of HeapBlockDevices.

Fork of ChainingBlockDevice_ex_1 by mbed_example

main.cpp

Committer:
kgilbert
Date:
2017-10-18
Revision:
1:8ad9777787ba
Parent:
0:daa62d7aa9f9
Child:
2:70419b9d778a

File content as of revision 1:8ad9777787ba:

#include "mbed.h"
#include "HeapBlockDevice.h"
#include "ChainingBlockDevice.h"
#include "FATFileSystem.h"
    
int main(void) {
    // Create two smaller block devices with
    // 64 and 32 blocks of size 512 bytes
    HeapBlockDevice mem1(64*512, 512);
    HeapBlockDevice mem2(32*512, 512);
    
    // Create a block device backed by mem1 and mem2
    // contains 96 blocks of size 512 bytes
    BlockDevice *bds[] = {&mem1, &mem2};
    ChainingBlockDevice chainmem(bds);
    
    // Format the new chained block device with a FAT filesystem
    FATFileSystem::format(&chainmem);
    
    // Create the FAT filesystem instance, files can now be written to
    // the FAT filesystem as if to a single 96 x 512 byte storage device
    FATFileSystem fat("fat", &chainmem);
}