Diff: USBMSD_Drop/USBMSD_Drop.h

Revision:

1:ea8e179320d7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBMSD_Drop/USBMSD_Drop.h	Sat Sep 28 03:21:14 2013 +0000
@@ -0,0 +1,75 @@
+// USBMSD_Drop.h 2013/9/26
+#pragma once
+#include "USBMSD.h"
+#include "USBMSD2.h"
+#include "RomDisk.h"
+
+#ifdef TARGET_LPC1768
+#define USBMSD USBMSD2
+#endif 
+
+/** drag-and-drop using the USBMSD class
+ *
+ * @code
+ * #include "mbed.h"
+ * #include "USBMSD_Drop.h"
+ * Serial pc(USBTX, USBRX);
+ * USBMSD_Drop* host;
+ * 
+ * void callback(const uint8_t* data, int len, int offset, int total)
+ * {
+ *     for(int i = 0; i < len && (offset+i) < total; i++) {
+ *         pc.putc(data[i]);
+ *     }
+ * }
+ * 
+ * int main() {
+ *     host = new USBMSD_Drop();
+ *     host->attach(callback);
+ *     while(1); // forever
+ * }
+ * @endcode
+ */
+class USBMSD_Drop : public USBMSD {
+public:
+    /** create drag-and-drop file transfer
+     */
+    USBMSD_Drop();
+    virtual ~USBMSD_Drop() {}
+
+    /** drag-and-drop file received
+     *
+     * @param data received data pointer
+     * @param len data length
+     * @param offset offset from file top
+     * @param total total file size
+     */
+    virtual void Drop(const uint8_t* data, int len, int offset, int total){};
+
+    /**
+     * Attach a callback for when a file is received
+     *
+     * @param fptr function pointer
+     */
+    void attach(void (*fptr)(const uint8_t* data, int len, int offset, int total));
+protected:
+    virtual int disk_initialize();
+    virtual int disk_status();
+    virtual int disk_read(uint8_t * data, uint64_t block);
+    virtual int disk_write(const uint8_t * data, uint64_t block);
+    virtual uint64_t disk_sectors();
+    virtual uint64_t disk_size();
+    uint8_t _status;
+
+    void _drop(const uint8_t* data, int len, int offset, int total);
+    void (*_drop_evt)(const uint8_t* data, int len, int offset, int total);
+    
+    DirEntry* findNewFile(const uint8_t* data, uint32_t block);
+    DirEntry _dir_entry;
+    DirEntry* _result;
+    DirEntry* _file;
+    RomDisk _disk;
+    int _seq;
+    int _prev_block;
+    int _addr;
+};