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diff --git a/AndroidAccessory/AndroidAccessory.h b/AndroidAccessory/AndroidAccessory.h
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+++ b/AndroidAccessory/AndroidAccessory.h
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+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __AndroidAccessory_h__
+#define __AndroidAccessory_h__
+
+#include "WProgram.h"
+
+class AndroidAccessory {
+private:
+    const char *manufacturer;
+    const char *model;
+    const char *description;
+    const char *version;
+    const char *uri;
+    const char *serial;
+
+    MAX3421E max;
+    USB usb;
+    bool connected;
+    uint8_t in;
+    uint8_t out;
+
+    EP_RECORD epRecord[8];
+
+    uint8_t descBuff[256];
+
+    bool isAccessoryDevice(USB_DEVICE_DESCRIPTOR *desc)
+    {
+        return desc->idVendor == 0x18d1 &&
+            (desc->idProduct == 0x2D00 || desc->idProduct == 0x2D01);
+    }
+
+    int getProtocol(byte addr);
+    void sendString(byte addr, int index, const char *str);
+    bool switchDevice(byte addr);
+    bool findEndpoints(byte addr, EP_RECORD *inEp, EP_RECORD *outEp);
+    bool configureAndroid(void);
+
+public:
+    AndroidAccessory(const char *manufacturer,
+                     const char *model,
+                     const char *description,
+                     const char *version,
+                     const char *uri,
+                     const char *serial);
+
+    void powerOn(void);
+
+    bool isConnected(void);
+    int read(void *buff, int len, unsigned int nakLimit = USB_NAK_LIMIT);
+    int write(void *buff, int len);
+};
+
+
+#endif /* __AndroidAccessory_h__ */