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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 : [email protected]
- */
-
- #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__
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