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			122 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* Copyright (C) 2014 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 _ps4bt_h_
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#define _ps4bt_h_
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#include "BTHID.h"
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#include "PS4Parser.h"
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/**
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 * This class implements support for the PS4 controller via Bluetooth.
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 * It uses the BTHID class for all the Bluetooth communication.
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 */
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class PS4BT : public BTHID, public PS4Parser {
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public:
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        /**
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         * Constructor for the PS4BT 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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        PS4BT(BTD *p, bool pair = false, const char *pin = "0000") :
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        BTHID(p, pair, pin) {
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                PS4Parser::Reset();
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        };
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        /**
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         * Used to check if a PS4 controller is connected.
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         * @return Returns true if it is connected.
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         */
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        bool connected() {
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                return BTHID::connected;
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        };
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protected:
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        /** @name BTHID implementation */
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        /**
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         * Used to parse Bluetooth HID data.
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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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                PS4Parser::Parse(len, buf);
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        };
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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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        virtual void OnInitBTHID() {
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                PS4Parser::Reset();
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                enable_sixaxis(); // Make the controller send out the entire output report
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                if (pFuncOnInit)
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                        pFuncOnInit(); // Call the user function
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                else
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                        setLed(Blue);
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        };
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        /** Used to reset the different buffers to there default values */
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        virtual void ResetBTHID() {
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                PS4Parser::Reset();
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        };
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        /**@}*/
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        /** @name PS4Parser implementation */
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        virtual void sendOutputReport(PS4Output *output) { // Source: https://github.com/chrippa/ds4drv
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                uint8_t buf[79];
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                memset(buf, 0, sizeof(buf));
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                buf[0] = 0x52; // HID BT Set_report (0x50) | Report Type (Output 0x02)
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                buf[1] = 0x11; // Report ID
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                buf[2] = 0x80;
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                buf[4]= 0xFF;
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                buf[7] = output->smallRumble; // Small Rumble
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                buf[8] = output->bigRumble; // Big rumble
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                buf[9] = output->r; // Red
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                buf[10] = output->g; // Green
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                buf[11] = output->b; // Blue
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                buf[12] = output->flashOn; // Time to flash bright (255 = 2.5 seconds)
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                buf[13] = output->flashOff; // Time to flash dark (255 = 2.5 seconds)
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                output->reportChanged = false;
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                // The PS4 console actually set the four last bytes to a CRC32 checksum, but it seems like it is actually not needed
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                HID_Command(buf, sizeof(buf));
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        };
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        /**@}*/
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private:
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        void enable_sixaxis() { // Command used to make the PS4 controller send out the entire output report
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                uint8_t buf[2];
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                buf[0] = 0x43; // HID BT Get_report (0x40) | Report Type (Feature 0x03)
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                buf[1] = 0x02; // Report ID
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                HID_Command(buf, 2);
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        };
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        void HID_Command(uint8_t *data, uint8_t nbytes) {
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                pBtd->L2CAP_Command(hci_handle, data, nbytes, control_scid[0], control_scid[1]);
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        };
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};
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#endif
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