Norimasa Okamoto / USBLocalFileSystem

Emulation of LocalFileSystem with virtual COM.

Dependencies:   USBDevice

Dependents:   KL46Z-lpc81isp lpcterm2 

#include "USBLocalFileSystem.h"

int main() {
    USBLocalFileSystem* usb_local = new USBLocalFileSystem(); // RamDisk(64KB)

    while(1) {
        usb_local->lock(true);
        usb_local->remount();
        char filename[32];
        if (usb_local->find(filename, sizeof(filename), "*.TXT")) {
            FILE* fp = fopen(filename, "r");
            if (fp) {
                int c;
                while((c = fgetc(fp)) != EOF) {
                    usb_local->putc(c);
                }
                fclose(fp);
            }
        }    
        usb_local->lock(false);

        wait_ms(1000*5);
    }
}



Sample application：

Import programKL46Z-lpc81isp

ISP example program.

Last commit 04 May 2014 by Norimasa Okamoto

Import programlpcterm2

semihost server example program

Last commit 22 Jun 2014 by Norimasa Okamoto

fat/FATFileSystem.h

Committer:
va009039
Date:
2014-06-21
Revision:
6:528036abfb02
Parent:
0:39eb4d5b97df

File content as of revision 6:528036abfb02:

/* mbed Microcontroller Library
 * Copyright (c) 2006-2012 ARM Limited
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#ifndef MBED_FATFILESYSTEM_H
#define MBED_FATFILESYSTEM_H

#include "FileSystemLike.h"
#include "FileHandle.h"
#include "ff.h"
#include <stdint.h>

using namespace mbed;

class FATFileSystem : public FileSystemLike {
public:

    FATFileSystem(const char* n);
    virtual ~FATFileSystem();

    static FATFileSystem * _ffs[_VOLUMES];   // FATFileSystem objects, as parallel to FatFs drives array
    FATFS _fs;                               // Work area (file system object) for logical drive
    int _fsid;

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

    virtual int disk_initialize() { return 0; }
    virtual int disk_status() { return 0; }
    virtual int disk_read(uint8_t * buffer, uint64_t sector) = 0;
    virtual int disk_write(const uint8_t * buffer, uint64_t sector) = 0;
    virtual int disk_sync() { return 0; }
    virtual uint64_t disk_sectors() = 0;

};

#endif