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diff --git a/lib/usbhost/USB_Host_Shield_2.0/hiduniversal.h b/lib/usbhost/USB_Host_Shield_2.0/hiduniversal.h
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+/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
+
+This software may be distributed and modified under the terms of the GNU
+General Public License version 2 (GPL2) as published by the Free Software
+Foundation and appearing in the file GPL2.TXT included in the packaging of
+this file. Please note that GPL2 Section 2[b] requires that all works based
+on this software must also be made publicly available under the terms of
+the GPL2 ("Copyleft").
+
+Contact information
+-------------------
+
+Circuits At Home, LTD
+Web : http://www.circuitsathome.com
+e-mail : support@circuitsathome.com
+ */
+
+#if !defined(__HIDUNIVERSAL_H__)
+#define __HIDUNIVERSAL_H__
+
+#include "hid.h"
+//#include "hidescriptorparser.h"
+
+class HIDUniversal : public HID {
+
+ struct ReportParser {
+ uint8_t rptId;
+ HIDReportParser *rptParser;
+ } rptParsers[MAX_REPORT_PARSERS];
+
+ // HID class specific descriptor type and length info obtained from HID descriptor
+ HID_CLASS_DESCRIPTOR_LEN_AND_TYPE descrInfo[HID_MAX_HID_CLASS_DESCRIPTORS];
+
+ // Returns HID class specific descriptor length by its type and order number
+ uint16_t GetHidClassDescrLen(uint8_t type, uint8_t num);
+
+ struct HIDInterface {
+ struct {
+ uint8_t bmInterface : 3;
+ uint8_t bmAltSet : 3;
+ uint8_t bmProtocol : 2;
+ };
+ uint8_t epIndex[maxEpPerInterface];
+ };
+
+ uint8_t bConfNum; // configuration number
+ uint8_t bNumIface; // number of interfaces in the configuration
+ uint8_t bNumEP; // total number of EP in the configuration
+ uint32_t qNextPollTime; // next poll time
+ uint8_t pollInterval;
+ bool bPollEnable; // poll enable flag
+
+ static const uint16_t constBuffLen = 64; // event buffer length
+ uint8_t prevBuf[constBuffLen]; // previous event buffer
+
+ void Initialize();
+ HIDInterface* FindInterface(uint8_t iface, uint8_t alt, uint8_t proto);
+
+ void ZeroMemory(uint8_t len, uint8_t *buf);
+ bool BuffersIdentical(uint8_t len, uint8_t *buf1, uint8_t *buf2);
+ void SaveBuffer(uint8_t len, uint8_t *src, uint8_t *dest);
+
+protected:
+ EpInfo epInfo[totalEndpoints];
+ HIDInterface hidInterfaces[maxHidInterfaces];
+
+ bool bHasReportId;
+
+ uint16_t PID, VID; // PID and VID of connected device
+
+ // HID implementation
+ HIDReportParser* GetReportParser(uint8_t id);
+
+ virtual uint8_t OnInitSuccessful() {
+ return 0;
+ };
+
+ virtual void ParseHIDData(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf) {
+ return;
+ };
+
+public:
+ HIDUniversal(USB *p);
+
+ // HID implementation
+ bool SetReportParser(uint8_t id, HIDReportParser *prs);
+
+ // USBDeviceConfig implementation
+ uint8_t Init(uint8_t parent, uint8_t port, bool lowspeed);
+ uint8_t Release();
+ uint8_t Poll();
+
+ virtual uint8_t GetAddress() {
+ return bAddress;
+ };
+
+ virtual bool isReady() {
+ return bPollEnable;
+ };
+
+ // UsbConfigXtracter implementation
+ void EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *ep);
+
+ // Send report - do not mix with SetReport()!
+ uint8_t SndRpt(uint16_t nbytes, uint8_t *dataptr);
+};
+
+#endif // __HIDUNIVERSAL_H__