Diff: USB_SDcard.h

Revision:

3:0ffb2eee9e06

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USB_SDcard.h	Fri Nov 11 16:12:21 2011 +0000
@@ -0,0 +1,43 @@
+/* mbed Microcontroller Library - SDFileSystem
+ * Copyright (c) 2008-2009, sford
+ */
+
+#ifndef USB_SDCARD_H
+#define USB_SDCARD_H
+
+#include "mbed.h"
+#include "USBMSD.h"
+
+class USB_SDcard: public USBMSD
+{
+public:
+    USB_SDcard(PinName mosi = p5, PinName miso = p6, PinName sclk = p7, PinName cs = p8);
+    
+    /*
+    * read a block on a storage chip
+    *
+    * @param data pointer where will be stored read data
+    * @param block block number
+    * @returns 0 if successful
+    */
+    virtual int blockRead(uint8_t * data, uint16_t block);
+    
+    /*
+    * write a block on a storage chip
+    *
+    * @param data data to write
+    * @param block block number
+    * @returns 0 if successful
+    */
+    virtual int blockWrite(uint8_t * data, uint16_t block);
+
+protected:
+    int _cmd(int cmd, int arg);
+    int _read(uint8_t * buffer, uint16_t length);
+    int _write(uint8_t * buffer, uint16_t length);
+    
+    SPI _spi;
+    DigitalOut _cs;     
+};
+
+#endif