File content as of revision 0:6b68dac0d986:

#ifndef USBMSDRAMFS_H
#define USBMSDRAMFS_H

#include "mbed.h"
#include "USBMSD.h"
#include "RAMFileSystem.h"
#include <stdint.h>

/**
 * USBMSD_RAMFS class: Allows the mbed board to expose a FAT file system in SDRAM as a USB memory stick
 */
class USBMSD_RAMFS : public USBMSD {
public:

    /**
    * Constructor
    *
    * @param ramfs The RAM file system
    * @param vendor_id Your vendor_id
    * @param product_id Your product_id
    * @param product_release Your preoduct_release
    */
    USBMSD_RAMFS(RAMFileSystem* ramfs, uint16_t vendor_id = 0x0703, uint16_t product_id = 0x0104, uint16_t product_release = 0x0001);

protected:

    /*
    * read one or more blocks on a storage chip
    *
    * @param data pointer where will be stored read data
    * @param block starting block number
    * @param count number of blocks to read
    * @returns 0 if successful
    */
    virtual int disk_read(uint8_t* data, uint64_t block, uint8_t count);

    /*
    * write one or more blocks on a storage chip
    *
    * @param data data to write
    * @param block starting block number
    * @param count number of blocks to write
    * @returns 0 if successful
    */
    virtual int disk_write(const uint8_t* data, uint64_t block, uint8_t count);

    /*
    * Disk initilization
    */
    virtual int disk_initialize();

    /*
    * Return the number of blocks
    *
    * @returns number of blocks
    */
    virtual uint64_t disk_sectors();

    /*
    * Return memory size
    *
    * @returns memory size
    */
    virtual uint64_t disk_size();


    /*
    * To check the status of the storage chip
    *
    * @returns status: 0: OK, 1: disk not initialized, 2: no medium in the drive, 4: write protected
    */
    virtual int disk_status();

protected:

    RAMFileSystem* ramfs;
};

#endif