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