XBOXONESParser.h

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/* Copyright (C) 2020 Kristian Sloth Lauszus. 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
 -------------------
 
 Kristian Sloth Lauszus
 Web      :  https://lauszus.com
 e-mail   :  lauszus@gmail.com
 */
 
#ifndef _xboxonesparser_h_
#define _xboxonesparser_h_
 
#include "Usb.h"
#include "controllerEnums.h"
 
union XboxOneSButtons {
        struct {
                uint8_t dpad : 4;
                uint8_t reserved : 4;
 
                uint8_t a : 1;
                uint8_t b : 1;
                uint8_t x : 1;
                uint8_t y : 1;
 
                uint8_t l1 : 1;
                uint8_t r1 : 1;
                uint8_t view : 1;
                uint8_t menu : 1;
 
                uint8_t l3 : 1;
                uint8_t r3 : 1;
                uint8_t reserved2 : 6;
        } __attribute__((packed));
        uint32_t val : 24;
} __attribute__((packed));
 
struct XboxOneSData {
        /* Button and joystick values */
        uint16_t hatValue[4];
        uint16_t trigger[2];
        XboxOneSButtons btn;
} __attribute__((packed));
 
class XBOXONESParser {
public:
        XBOXONESParser() {
                Reset();
        };
 
        uint16_t getButtonPress(ButtonEnum b);
        bool getButtonClick(ButtonEnum b);
        int16_t getAnalogHat(AnalogHatEnum a);
 
        void setRumbleOff();
 
        void setRumbleOn(uint8_t leftTrigger, uint8_t rightTrigger, uint8_t leftMotor, uint8_t rightMotor);
 
protected:
        void Parse(uint8_t len, uint8_t *buf);
 
        void Reset();
 
        virtual void sendOutputReport(uint8_t *data, uint8_t nbytes) = 0;
 
private:
        static int8_t getButtonIndexXboxOneS(ButtonEnum b);
 
        bool checkDpad(ButtonEnum b); // Used to check Xbox One S DPAD buttons
 
        XboxOneSData xboxOneSData;
        XboxOneSButtons oldButtonState, buttonClickState;
        uint8_t oldDpad;
 
        // The Xbox button is sent in a separate report
        uint8_t xboxButtonState, xboxOldButtonState, xboxbuttonClickState;
 
        uint16_t triggerOld[2];
        bool L2Clicked; // These buttons are analog, so we use we use these bools to check if they where clicked or not
        bool R2Clicked;
};
#endif