Diff: features/unsupported/fs/fat/FATFileSystem.h

Revision:

0:f269e3021894

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/features/unsupported/fs/fat/FATFileSystem.h	Sun Oct 23 15:10:02 2016 +0000
@@ -0,0 +1,104 @@
+/* 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>
+#include "PlatformMutex.h"
+
+using namespace mbed;
+
+/**
+ * FATFileSystem based on ChaN's Fat Filesystem library v0.8 
+ */
+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
+    char _fsid[2];
+
+    /**
+     * Opens a file on the filesystem
+     */
+    virtual FileHandle *open(const char* name, int flags);
+    
+    /**
+     * Removes a file path
+     */
+    virtual int remove(const char *filename);
+    
+    /**
+     * Renames a file
+     */
+    virtual int rename(const char *oldname, const char *newname);
+    
+    /**
+     * Formats a logical drive, FDISK artitioning rule, 512 bytes per cluster
+     */
+    virtual int format();
+    
+    /**
+     * Opens a directory on the filesystem
+     */
+    virtual DirHandle *opendir(const char *name);
+    
+    /**
+     * Creates a directory path
+     */
+    virtual int mkdir(const char *name, mode_t mode);
+    
+    /**
+     * Mounts the filesystem
+     */
+    virtual int mount();
+    
+    /**
+     * Unmounts the filesystem
+     */
+    virtual int unmount();
+
+    virtual int disk_initialize() { return 0; }
+    virtual int disk_status() { return 0; }
+    virtual int disk_read(uint8_t *buffer, uint32_t sector, uint32_t count) = 0;
+    virtual int disk_write(const uint8_t *buffer, uint32_t sector, uint32_t count) = 0;
+    virtual int disk_sync() { return 0; }
+    virtual uint32_t disk_sectors() = 0;
+
+protected:
+
+    virtual void lock();
+    virtual void unlock();
+
+private:
+
+    PlatformMutex *_mutex;
+
+};
+
+#endif