Diff: FileSystems/USBMSD_RAMFS.h

Revision:

0:6b68dac0d986

Child:

9:a33326afd686

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FileSystems/USBMSD_RAMFS.h	Fri Nov 21 11:42:51 2014 +0000
@@ -0,0 +1,80 @@
+#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
+