618 lines
20 KiB
C++
618 lines
20 KiB
C++
/* 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(__HIDBOOT_H__)
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#define __HIDBOOT_H__
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#include "hid.h"
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#define UHS_HID_BOOT_KEY_ZERO 0x27
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#define UHS_HID_BOOT_KEY_ENTER 0x28
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#define UHS_HID_BOOT_KEY_SPACE 0x2c
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#define UHS_HID_BOOT_KEY_CAPS_LOCK 0x39
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#define UHS_HID_BOOT_KEY_SCROLL_LOCK 0x47
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#define UHS_HID_BOOT_KEY_NUM_LOCK 0x53
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#define UHS_HID_BOOT_KEY_ZERO2 0x62
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#define UHS_HID_BOOT_KEY_PERIOD 0x63
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// Don't worry, GCC will optimize the result to a final value.
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#define bitsEndpoints(p) ((((p) & HID_PROTOCOL_KEYBOARD)? 2 : 0) | (((p) & HID_PROTOCOL_MOUSE)? 1 : 0))
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#define totalEndpoints(p) ((bitsEndpoints(p) == 3) ? 3 : 2)
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#define epMUL(p) ((((p) & HID_PROTOCOL_KEYBOARD)? 1 : 0) + (((p) & HID_PROTOCOL_MOUSE)? 1 : 0))
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// Already defined in hid.h
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// #define HID_MAX_HID_CLASS_DESCRIPTORS 5
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struct MOUSEINFO {
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struct {
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uint8_t bmLeftButton : 1;
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uint8_t bmRightButton : 1;
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uint8_t bmMiddleButton : 1;
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uint8_t bmDummy : 5;
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};
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int8_t dX;
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int8_t dY;
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};
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class MouseReportParser : public HIDReportParser {
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union {
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MOUSEINFO mouseInfo;
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uint8_t bInfo[sizeof (MOUSEINFO)];
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} prevState;
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public:
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void Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf);
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protected:
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virtual void OnMouseMove(MOUSEINFO *mi) {
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};
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virtual void OnLeftButtonUp(MOUSEINFO *mi) {
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};
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virtual void OnLeftButtonDown(MOUSEINFO *mi) {
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};
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virtual void OnRightButtonUp(MOUSEINFO *mi) {
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};
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virtual void OnRightButtonDown(MOUSEINFO *mi) {
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};
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virtual void OnMiddleButtonUp(MOUSEINFO *mi) {
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};
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virtual void OnMiddleButtonDown(MOUSEINFO *mi) {
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};
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};
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struct MODIFIERKEYS {
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uint8_t bmLeftCtrl : 1;
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uint8_t bmLeftShift : 1;
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uint8_t bmLeftAlt : 1;
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uint8_t bmLeftGUI : 1;
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uint8_t bmRightCtrl : 1;
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uint8_t bmRightShift : 1;
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uint8_t bmRightAlt : 1;
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uint8_t bmRightGUI : 1;
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};
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struct KBDINFO {
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struct {
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uint8_t bmLeftCtrl : 1;
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uint8_t bmLeftShift : 1;
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uint8_t bmLeftAlt : 1;
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uint8_t bmLeftGUI : 1;
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uint8_t bmRightCtrl : 1;
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uint8_t bmRightShift : 1;
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uint8_t bmRightAlt : 1;
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uint8_t bmRightGUI : 1;
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};
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uint8_t bReserved;
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uint8_t Keys[6];
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};
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struct KBDLEDS {
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uint8_t bmNumLock : 1;
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uint8_t bmCapsLock : 1;
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uint8_t bmScrollLock : 1;
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uint8_t bmCompose : 1;
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uint8_t bmKana : 1;
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uint8_t bmReserved : 3;
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};
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class KeyboardReportParser : public HIDReportParser {
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static const uint8_t numKeys[10];
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static const uint8_t symKeysUp[12];
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static const uint8_t symKeysLo[12];
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static const uint8_t padKeys[5];
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protected:
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union {
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KBDINFO kbdInfo;
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uint8_t bInfo[sizeof (KBDINFO)];
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} prevState;
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union {
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KBDLEDS kbdLeds;
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uint8_t bLeds;
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} kbdLockingKeys;
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uint8_t OemToAscii(uint8_t mod, uint8_t key);
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public:
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KeyboardReportParser() {
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kbdLockingKeys.bLeds = 0;
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};
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void Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf);
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protected:
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virtual uint8_t HandleLockingKeys(HID* hid, uint8_t key) {
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uint8_t old_keys = kbdLockingKeys.bLeds;
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switch(key) {
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case UHS_HID_BOOT_KEY_NUM_LOCK:
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kbdLockingKeys.kbdLeds.bmNumLock = ~kbdLockingKeys.kbdLeds.bmNumLock;
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break;
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case UHS_HID_BOOT_KEY_CAPS_LOCK:
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kbdLockingKeys.kbdLeds.bmCapsLock = ~kbdLockingKeys.kbdLeds.bmCapsLock;
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break;
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case UHS_HID_BOOT_KEY_SCROLL_LOCK:
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kbdLockingKeys.kbdLeds.bmScrollLock = ~kbdLockingKeys.kbdLeds.bmScrollLock;
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break;
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}
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if(old_keys != kbdLockingKeys.bLeds && hid)
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return (hid->SetReport(0, 0/*hid->GetIface()*/, 2, 0, 1, &kbdLockingKeys.bLeds));
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return 0;
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};
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virtual void OnControlKeysChanged(uint8_t before, uint8_t after) {
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};
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virtual void OnKeyDown(uint8_t mod, uint8_t key) {
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};
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virtual void OnKeyUp(uint8_t mod, uint8_t key) {
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};
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virtual const uint8_t *getNumKeys() {
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return numKeys;
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};
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virtual const uint8_t *getSymKeysUp() {
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return symKeysUp;
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};
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virtual const uint8_t *getSymKeysLo() {
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return symKeysLo;
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};
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virtual const uint8_t *getPadKeys() {
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return padKeys;
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};
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};
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template <const uint8_t BOOT_PROTOCOL>
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class HIDBoot : public HID //public USBDeviceConfig, public UsbConfigXtracter
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{
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EpInfo epInfo[totalEndpoints(BOOT_PROTOCOL)];
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HIDReportParser *pRptParser[epMUL(BOOT_PROTOCOL)];
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uint8_t bConfNum; // configuration number
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uint8_t bIfaceNum; // Interface 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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bool bPollEnable; // poll enable flag
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uint8_t bInterval; // largest interval
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void Initialize();
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virtual HIDReportParser* GetReportParser(uint8_t id) {
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return pRptParser[id];
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};
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public:
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HIDBoot(USB *p);
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virtual bool SetReportParser(uint8_t id, HIDReportParser *prs) {
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pRptParser[id] = prs;
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return true;
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};
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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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// Method should be defined here if virtual.
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virtual void EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *ep);
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virtual bool DEVCLASSOK(uint8_t klass) {
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return (klass == USB_CLASS_HID);
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}
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virtual bool DEVSUBCLASSOK(uint8_t subklass) {
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return (subklass == BOOT_PROTOCOL);
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}
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};
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template <const uint8_t BOOT_PROTOCOL>
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HIDBoot<BOOT_PROTOCOL>::HIDBoot(USB *p) :
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HID(p),
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qNextPollTime(0),
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bPollEnable(false) {
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Initialize();
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for(int i = 0; i < epMUL(BOOT_PROTOCOL); i++) {
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pRptParser[i] = NULL;
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}
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if(pUsb)
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pUsb->RegisterDeviceClass(this);
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}
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template <const uint8_t BOOT_PROTOCOL>
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void HIDBoot<BOOT_PROTOCOL>::Initialize() {
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for(int i = 0; i < totalEndpoints(BOOT_PROTOCOL); i++) {
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epInfo[i].epAddr = 0;
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epInfo[i].maxPktSize = (i) ? 0 : 8;
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epInfo[i].epAttribs = 0;
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epInfo[i].bmNakPower = (i) ? USB_NAK_NOWAIT : USB_NAK_MAX_POWER;
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}
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bNumEP = 1;
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bNumIface = 0;
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bConfNum = 0;
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}
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template <const uint8_t BOOT_PROTOCOL>
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uint8_t HIDBoot<BOOT_PROTOCOL>::Init(uint8_t parent, uint8_t port, bool lowspeed) {
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const uint8_t constBufSize = sizeof (USB_DEVICE_DESCRIPTOR);
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uint8_t buf[constBufSize];
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uint8_t rcode;
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UsbDevice *p = NULL;
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EpInfo *oldep_ptr = NULL;
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uint8_t len = 0;
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//uint16_t cd_len = 0;
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uint8_t num_of_conf; // number of configurations
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//uint8_t num_of_intf; // number of interfaces
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AddressPool &addrPool = pUsb->GetAddressPool();
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USBTRACE("BM Init\r\n");
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//USBTRACE2("totalEndpoints:", (uint8_t) (totalEndpoints(BOOT_PROTOCOL)));
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//USBTRACE2("epMUL:", epMUL(BOOT_PROTOCOL));
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if(bAddress)
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return USB_ERROR_CLASS_INSTANCE_ALREADY_IN_USE;
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bInterval = 0;
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// Get pointer to pseudo device with address 0 assigned
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p = addrPool.GetUsbDevicePtr(0);
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if(!p)
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return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
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if(!p->epinfo) {
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USBTRACE("epinfo\r\n");
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return USB_ERROR_EPINFO_IS_NULL;
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}
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// Save old pointer to EP_RECORD of address 0
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oldep_ptr = p->epinfo;
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// Temporary assign new pointer to epInfo to p->epinfo in order to avoid toggle inconsistence
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p->epinfo = epInfo;
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p->lowspeed = lowspeed;
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// Get device descriptor
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rcode = pUsb->getDevDescr(0, 0, 8, (uint8_t*)buf);
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if(!rcode)
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len = (buf[0] > constBufSize) ? constBufSize : buf[0];
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if(rcode) {
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// Restore p->epinfo
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p->epinfo = oldep_ptr;
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goto FailGetDevDescr;
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}
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// Restore p->epinfo
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p->epinfo = oldep_ptr;
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// Allocate new address according to device class
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bAddress = addrPool.AllocAddress(parent, false, port);
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if(!bAddress)
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return USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL;
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// Extract Max Packet Size from the device descriptor
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epInfo[0].maxPktSize = (uint8_t)((USB_DEVICE_DESCRIPTOR*)buf)->bMaxPacketSize0;
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// Assign new address to the device
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rcode = pUsb->setAddr(0, 0, bAddress);
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if(rcode) {
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p->lowspeed = false;
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addrPool.FreeAddress(bAddress);
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bAddress = 0;
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USBTRACE2("setAddr:", rcode);
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return rcode;
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}
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//delay(2); //per USB 2.0 sect.9.2.6.3
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USBTRACE2("Addr:", bAddress);
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p->lowspeed = false;
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p = addrPool.GetUsbDevicePtr(bAddress);
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if(!p)
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return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
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p->lowspeed = lowspeed;
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if(len)
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rcode = pUsb->getDevDescr(bAddress, 0, len, (uint8_t*)buf);
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if(rcode)
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goto FailGetDevDescr;
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num_of_conf = ((USB_DEVICE_DESCRIPTOR*)buf)->bNumConfigurations;
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USBTRACE2("NC:", num_of_conf);
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// GCC will optimize unused stuff away.
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if((BOOT_PROTOCOL & (HID_PROTOCOL_KEYBOARD | HID_PROTOCOL_MOUSE)) == (HID_PROTOCOL_KEYBOARD | HID_PROTOCOL_MOUSE)) {
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USBTRACE("HID_PROTOCOL_KEYBOARD AND MOUSE\r\n");
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ConfigDescParser<
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USB_CLASS_HID,
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HID_BOOT_INTF_SUBCLASS,
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HID_PROTOCOL_KEYBOARD | HID_PROTOCOL_MOUSE,
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CP_MASK_COMPARE_ALL > confDescrParser(this);
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confDescrParser.SetOR(); // Use the OR variant.
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for(uint8_t i = 0; i < num_of_conf; i++) {
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pUsb->getConfDescr(bAddress, 0, i, &confDescrParser);
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if(bNumEP == (uint8_t)(totalEndpoints(BOOT_PROTOCOL)))
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break;
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}
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} else {
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// GCC will optimize unused stuff away.
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if(BOOT_PROTOCOL & HID_PROTOCOL_KEYBOARD) {
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USBTRACE("HID_PROTOCOL_KEYBOARD\r\n");
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for(uint8_t i = 0; i < num_of_conf; i++) {
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ConfigDescParser<
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USB_CLASS_HID,
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HID_BOOT_INTF_SUBCLASS,
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HID_PROTOCOL_KEYBOARD,
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CP_MASK_COMPARE_ALL> confDescrParserA(this);
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pUsb->getConfDescr(bAddress, 0, i, &confDescrParserA);
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if(bNumEP == (uint8_t)(totalEndpoints(BOOT_PROTOCOL)))
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break;
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}
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}
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// GCC will optimize unused stuff away.
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if(BOOT_PROTOCOL & HID_PROTOCOL_MOUSE) {
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USBTRACE("HID_PROTOCOL_MOUSE\r\n");
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for(uint8_t i = 0; i < num_of_conf; i++) {
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ConfigDescParser<
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USB_CLASS_HID,
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HID_BOOT_INTF_SUBCLASS,
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HID_PROTOCOL_MOUSE,
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CP_MASK_COMPARE_ALL> confDescrParserB(this);
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pUsb->getConfDescr(bAddress, 0, i, &confDescrParserB);
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if(bNumEP == ((uint8_t)(totalEndpoints(BOOT_PROTOCOL))))
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break;
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}
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}
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}
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USBTRACE2("bNumEP:", bNumEP);
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if(bNumEP != (uint8_t)(totalEndpoints(BOOT_PROTOCOL))) {
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rcode = USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
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goto Fail;
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}
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// Assign epInfo to epinfo pointer
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rcode = pUsb->setEpInfoEntry(bAddress, bNumEP, epInfo);
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//USBTRACE2("setEpInfoEntry returned ", rcode);
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USBTRACE2("Cnf:", bConfNum);
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delay(1000);
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// Set Configuration Value
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rcode = pUsb->setConf(bAddress, 0, bConfNum);
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if(rcode)
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goto FailSetConfDescr;
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delay(1000);
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USBTRACE2("bIfaceNum:", bIfaceNum);
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USBTRACE2("bNumIface:", bNumIface);
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// Yes, mouse wants SetProtocol and SetIdle too!
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for(uint8_t i = 0; i < epMUL(BOOT_PROTOCOL); i++) {
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USBTRACE2("\r\nInterface:", i);
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rcode = SetProtocol(i, HID_BOOT_PROTOCOL);
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if(rcode) goto FailSetProtocol;
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USBTRACE2("PROTOCOL SET HID_BOOT rcode:", rcode);
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rcode = SetIdle(i, 0, 0);
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USBTRACE2("SET_IDLE rcode:", rcode);
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// if(rcode) goto FailSetIdle; This can fail.
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// Get the RPIPE and just throw it away.
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SinkParser<USBReadParser, uint16_t, uint16_t> sink;
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rcode = GetReportDescr(i, &sink);
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USBTRACE2("RPIPE rcode:", rcode);
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}
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// Get RPIPE and throw it away.
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if(BOOT_PROTOCOL & HID_PROTOCOL_KEYBOARD) {
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// Wake keyboard interface by twinkling up to 5 LEDs that are in the spec.
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// kana, compose, scroll, caps, num
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rcode = 0x20; // Reuse rcode.
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while(rcode) {
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rcode >>= 1;
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// Ignore any error returned, we don't care if LED is not supported
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SetReport(0, 0, 2, 0, 1, &rcode); // Eventually becomes zero (All off)
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delay(25);
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}
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}
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USBTRACE("BM configured\r\n");
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bPollEnable = true;
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return 0;
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FailGetDevDescr:
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#ifdef DEBUG_USB_HOST
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NotifyFailGetDevDescr();
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goto Fail;
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#endif
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//FailSetDevTblEntry:
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//#ifdef DEBUG_USB_HOST
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// NotifyFailSetDevTblEntry();
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// goto Fail;
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//#endif
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//FailGetConfDescr:
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//#ifdef DEBUG_USB_HOST
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// NotifyFailGetConfDescr();
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// goto Fail;
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//#endif
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FailSetConfDescr:
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#ifdef DEBUG_USB_HOST
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NotifyFailSetConfDescr();
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goto Fail;
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#endif
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FailSetProtocol:
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#ifdef DEBUG_USB_HOST
|
|
USBTRACE("SetProto:");
|
|
goto Fail;
|
|
#endif
|
|
|
|
//FailSetIdle:
|
|
//#ifdef DEBUG_USB_HOST
|
|
// USBTRACE("SetIdle:");
|
|
//#endif
|
|
|
|
Fail:
|
|
#ifdef DEBUG_USB_HOST
|
|
NotifyFail(rcode);
|
|
#endif
|
|
Release();
|
|
|
|
return rcode;
|
|
}
|
|
|
|
template <const uint8_t BOOT_PROTOCOL>
|
|
void HIDBoot<BOOT_PROTOCOL>::EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *pep) {
|
|
|
|
// If the first configuration satisfies, the others are not considered.
|
|
//if(bNumEP > 1 && conf != bConfNum)
|
|
if(bNumEP == totalEndpoints(BOOT_PROTOCOL))
|
|
return;
|
|
|
|
bConfNum = conf;
|
|
bIfaceNum = iface;
|
|
|
|
if((pep->bmAttributes & 0x03) == 3 && (pep->bEndpointAddress & 0x80) == 0x80) {
|
|
if(pep->bInterval > bInterval) bInterval = pep->bInterval;
|
|
|
|
// Fill in the endpoint info structure
|
|
epInfo[bNumEP].epAddr = (pep->bEndpointAddress & 0x0F);
|
|
epInfo[bNumEP].maxPktSize = (uint8_t)pep->wMaxPacketSize;
|
|
epInfo[bNumEP].epAttribs = 0;
|
|
epInfo[bNumEP].bmNakPower = USB_NAK_NOWAIT;
|
|
bNumEP++;
|
|
|
|
}
|
|
}
|
|
|
|
template <const uint8_t BOOT_PROTOCOL>
|
|
uint8_t HIDBoot<BOOT_PROTOCOL>::Release() {
|
|
pUsb->GetAddressPool().FreeAddress(bAddress);
|
|
|
|
bConfNum = 0;
|
|
bIfaceNum = 0;
|
|
bNumEP = 1;
|
|
bAddress = 0;
|
|
qNextPollTime = 0;
|
|
bPollEnable = false;
|
|
|
|
return 0;
|
|
}
|
|
|
|
template <const uint8_t BOOT_PROTOCOL>
|
|
uint8_t HIDBoot<BOOT_PROTOCOL>::Poll() {
|
|
uint8_t rcode = 0;
|
|
|
|
if(bPollEnable && ((long)(millis() - qNextPollTime) >= 0L)) {
|
|
|
|
// To-do: optimize manually, using the for loop only if needed.
|
|
for(int i = 0; i < epMUL(BOOT_PROTOCOL); i++) {
|
|
const uint16_t const_buff_len = 16;
|
|
uint8_t buf[const_buff_len];
|
|
|
|
USBTRACE3("(hidboot.h) i=", i, 0x81);
|
|
USBTRACE3("(hidboot.h) epInfo[epInterruptInIndex + i].epAddr=", epInfo[epInterruptInIndex + i].epAddr, 0x81);
|
|
USBTRACE3("(hidboot.h) epInfo[epInterruptInIndex + i].maxPktSize=", epInfo[epInterruptInIndex + i].maxPktSize, 0x81);
|
|
uint16_t read = (uint16_t)epInfo[epInterruptInIndex + i].maxPktSize;
|
|
|
|
rcode = pUsb->inTransfer(bAddress, epInfo[epInterruptInIndex + i].epAddr, &read, buf);
|
|
// SOME buggy dongles report extra keys (like sleep) using a 2 byte packet on the wrong endpoint.
|
|
// Since keyboard and mice must report at least 3 bytes, we ignore the extra data.
|
|
if(!rcode && read > 2) {
|
|
if(pRptParser[i])
|
|
pRptParser[i]->Parse((HID*)this, 0, (uint8_t)read, buf);
|
|
#ifdef DEBUG_USB_HOST
|
|
// We really don't care about errors and anomalies unless we are debugging.
|
|
} else {
|
|
if(rcode != hrNAK) {
|
|
USBTRACE3("(hidboot.h) Poll:", rcode, 0x81);
|
|
}
|
|
if(!rcode && read) {
|
|
USBTRACE3("(hidboot.h) Strange read count: ", read, 0x80);
|
|
USBTRACE3("(hidboot.h) Interface:", i, 0x80);
|
|
}
|
|
}
|
|
|
|
if(!rcode && read && (UsbDEBUGlvl > 0x7f)) {
|
|
for(uint8_t i = 0; i < read; i++) {
|
|
PrintHex<uint8_t > (buf[i], 0x80);
|
|
USBTRACE1(" ", 0x80);
|
|
}
|
|
if(read)
|
|
USBTRACE1("\r\n", 0x80);
|
|
#endif
|
|
}
|
|
|
|
}
|
|
qNextPollTime = millis() + bInterval;
|
|
}
|
|
return rcode;
|
|
}
|
|
|
|
#endif // __HIDBOOTMOUSE_H__
|