File content as of revision 0:0fdadbc3d852:

#ifndef QSPIFILESYSTEM_H
#define QSPIFILESYSTEM_H

#include "mbed.h"
#include "FileSystemLike.h"

/** Access the filesystem on an QSPI flash using SPIFI
 *
 * @code
 * #include "mbed.h"
 * #include "QSPIFileSystem.h"
 *
 * QSPIFileSystem qspi("qspi");
 *  
 * int main() {
 *     if (!qspifs.isFormatted()) {
 *         qspifs.format();
 *     }
 *
 *     FILE *fp = fopen("/qspi/myfile.txt", "w");
 *     if (fp != NULL) {
 *         fprintf(fp, "Hello World!\n");
 *         fclose(fp);
 *     }
 * }
 * @endcode
 */
class QSPIFileSystem : public FileSystemLike {
public:

    /** Create the File System for accessing a QSPI Flash
     *
     * @param name The name used to access the virtual filesystem
     */
    QSPIFileSystem(const char* name);

    virtual FileHandle *open(const char *filename, int flags);
    virtual int remove(const char *filename);
    virtual int rename(const char *oldname, const char *newname);
    virtual DirHandle *opendir(const char *name);
    virtual int mkdir(const char *name, mode_t mode);

    /** Creates a new file system on the QSPI flash.
     * The file system will have the specified size and will always
     * be positioned at the end of the QSPI flash. If the fsSizeInMB is
     * less than the size of the QSPI flash the lower end of the flash
     * will be left untouched.
     *
     * @param fsSizeInMB The size of the file system
     *
     * @returns
     *    0 on success,
     *   -1 on failure.
     */
    int format(unsigned int fsSizeInMB = 8);

    /** Tests if there is a file system present on the QSPI flash
     *
     * @returns
     *   True if a valid file system could be found,
     *   False on failure.
     */
    bool isformatted();

    /** Retrieves the start and end addresses for the file system.
     * The pStartAddr and pEndAddr will only be assigned values if the
     * function returns true.
     *
     * @param pStartAddr Will return the start of the file system area
     * @param pEndAddr   Will return the end of the file system area
     *
     * @returns
     *   True if there is a file system,
     *   False on failure.
     */
    bool getMemoryBoundaries(uint32_t* pStartAddr, uint32_t* pEndAddr);
};

#endif