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

Diff: fat/FATFileSystem.h

Revision:
0:39eb4d5b97df
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fat/FATFileSystem.h	Sat May 03 11:21:37 2014 +0000
@@ -0,0 +1,57 @@
+/* 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