mirror of
https://github.com/qmk/qmk_firmware.git
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156 lines
5.1 KiB
C++
156 lines
5.1 KiB
C++
/* Copyright (C) 2013 Kristian Lauszus, TKJ Electronics. 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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Kristian Lauszus, TKJ Electronics
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Web : http://www.tkjelectronics.com
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e-mail : kristianl@tkjelectronics.com
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*/
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#ifndef _bthid_h_
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#define _bthid_h_
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#include "BTD.h"
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#include "hidboot.h"
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#define KEYBOARD_PARSER_ID 0
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#define MOUSE_PARSER_ID 1
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#define NUM_PARSERS 2
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/** This BluetoothService class implements support for Bluetooth HID devices. */
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class BTHID : public BluetoothService {
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public:
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/**
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* Constructor for the BTHID class.
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* @param p Pointer to the BTD class instance.
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* @param pair Set this to true in order to pair with the device. If the argument is omitted then it will not pair with it. One can use ::PAIR to set it to true.
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* @param pin Write the pin to BTD#btdPin. If argument is omitted, then "0000" will be used.
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*/
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BTHID(BTD *p, bool pair = false, const char *pin = "0000");
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/** @name BluetoothService implementation */
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/** Used this to disconnect the devices. */
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void disconnect();
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/**@}*/
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/**
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* Get HIDReportParser.
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* @param id ID of parser.
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* @return Returns the corresponding HIDReportParser. Returns NULL if id is not valid.
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*/
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HIDReportParser *GetReportParser(uint8_t id) {
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if (id >= NUM_PARSERS)
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return NULL;
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return pRptParser[id];
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};
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/**
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* Set HIDReportParser to be used.
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* @param id Id of parser.
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* @param prs Pointer to HIDReportParser.
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* @return Returns true if the HIDReportParser is set. False otherwise.
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*/
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bool SetReportParser(uint8_t id, HIDReportParser *prs) {
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if (id >= NUM_PARSERS)
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return false;
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pRptParser[id] = prs;
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return true;
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};
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/**
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* Set HID protocol mode.
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* @param mode HID protocol to use. Either HID_BOOT_PROTOCOL or HID_RPT_PROTOCOL.
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*/
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void setProtocolMode(uint8_t mode) {
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protocolMode = mode;
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};
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/**
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* Used to set the leds on a keyboard.
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* @param data See KBDLEDS in hidboot.h
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*/
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void setLeds(uint8_t data);
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/** True if a device is connected */
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bool connected;
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/** Call this to start the paring sequence with a device */
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void pair(void) {
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if(pBtd)
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pBtd->pairWithHID();
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};
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protected:
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/** @name BluetoothService implementation */
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/**
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* Used to pass acldata to the services.
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* @param ACLData Incoming acldata.
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*/
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void ACLData(uint8_t* ACLData);
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/** Used to run part of the state machine. */
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void Run();
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/** Use this to reset the service. */
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void Reset();
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/**
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* Called when a device is successfully initialized.
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* Use attachOnInit(void (*funcOnInit)(void)) to call your own function.
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* This is useful for instance if you want to set the LEDs in a specific way.
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*/
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void onInit() {
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if(pFuncOnInit)
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pFuncOnInit(); // Call the user function
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OnInitBTHID();
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};
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/**@}*/
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/** @name Overridable functions */
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/**
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* Used to parse Bluetooth HID data to any class that inherits this class.
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* @param len The length of the incoming data.
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* @param buf Pointer to the data buffer.
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*/
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virtual void ParseBTHIDData(uint8_t len, uint8_t *buf) {
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return;
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};
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/** Called when a device is connected */
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virtual void OnInitBTHID() {
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return;
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};
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/** Used to reset any buffers in the class that inherits this */
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virtual void ResetBTHID() {
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return;
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}
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/**@}*/
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/** L2CAP source CID for HID_Control */
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uint8_t control_scid[2];
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/** L2CAP source CID for HID_Interrupt */
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uint8_t interrupt_scid[2];
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private:
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HIDReportParser *pRptParser[NUM_PARSERS]; // Pointer to HIDReportParsers.
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/** Set report protocol. */
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void setProtocol();
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uint8_t protocolMode;
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void L2CAP_task(); // L2CAP state machine
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bool activeConnection; // Used to indicate if it already has established a connection
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/* Variables used for L2CAP communication */
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uint8_t control_dcid[2]; // L2CAP device CID for HID_Control - Always 0x0070
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uint8_t interrupt_dcid[2]; // L2CAP device CID for HID_Interrupt - Always 0x0071
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uint8_t l2cap_state;
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};
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#endif
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