Diff: hiduniversal.h

Revision:

0:84353c479782

Child:

1:2263e77400e9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hiduniversal.h	Sun Jul 12 20:39:26 2020 +0000
@@ -0,0 +1,108 @@
+/* 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 "usbhid.h"
+//#include "hidescriptorparser.h"
+
+class HIDUniversal : public USBHID {
+
+        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 + 1]; // We need to make room for the control endpoint as well
+        };
+
+        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(USBHID *hid __attribute__((unused)), bool is_rpt_id __attribute__((unused)), uint8_t len __attribute__((unused)), uint8_t *buf __attribute__((unused))) {
+                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__