Diff: USBMSD_Ram.h

Revision:

0:ba333853266b

Child:

1:0b8a0be40802

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBMSD_Ram.h	Sat Mar 03 07:55:24 2012 +0000
@@ -0,0 +1,69 @@
+/* mbed USBMSD_Ram Library, for providing file access to SD cards
+ * Copyright (c) 2008-2010, sford
+ *
+ * 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 USBMSD_RAM_H
+#define USBMSD_RAM_H
+
+#include "mbed.h"
+#include "USBMSD.h"
+
+/** Use the SDcard as mass storage device using the USBMSD class
+ *
+ * @code
+ * #include "mbed.h"
+ * #include "USBMSD_Ram.h"
+ *
+ * USBMSD_Ram sd(p5, p6, p7, p8);
+ *
+ * int main() {
+ *   while(1);
+ * }
+ *
+ * @endcode
+ */
+class USBMSD_Ram : public USBMSD {
+public:
+
+    /** Create the File System for accessing an SD Card using SPI
+     *
+     * @param mosi SPI mosi pin connected to SD Card
+     * @param miso SPI miso pin conencted to SD Card
+     * @param sclk SPI sclk pin connected to SD Card
+     * @param cs   DigitalOut pin used as SD Card chip select
+     * @param name The name used to access the virtual filesystem
+     */
+    USBMSD_Ram();
+    virtual int disk_initialize();
+    virtual int disk_write(const char *buffer, int block_number);
+    virtual int disk_read(char *buffer, int block_number);    
+    virtual int disk_status();
+    virtual int disk_sync();
+    virtual int disk_sectors();
+    virtual int disk_size();
+    
+protected:
+    int _status;
+    char disk_image[512*32];
+
+};
+
+#endif