PS4Descriptors.h

/*
 * SPDX-License-Identifier: MIT
 * SPDX-FileCopyrightText: Copyright (c) 2024 OpenStickCommunity (gp2040-ce.info)
 */

#pragma once

#include <stdint.h>

#define PS4_ENDPOINT_SIZE 64

// Mayflash
//#define PS4_VENDOR_ID       0x33df
//#define PS4_PRODUCT_ID      0x0011

// Razer Panthera
#define PS4_VENDOR_ID         0x1532
#define PS4_PRODUCT_ID        0x0401

// Madcatz Fightstick Alpha PS4
//#define PS4_VENDOR_ID       0x0738
//#define PS4_PRODUCT_ID      0x8180

// DS4
#define DS4_VENDOR_ID         0x054C
#define DS4_PRODUCT_ID        0x09CC

// G29
#define PS4_WHEEL_VENDOR_ID   0x046D
#define PS4_WHEEL_PRODUCT_ID  0xC260

#define DS4_ORG_PRODUCT_ID  0x05C4

/**************************************************************************
 *
 *  Endpoint Buffer Configuration
 *
 **************************************************************************/

#define ENDPOINT0_SIZE	64

#define PS4_FEATURES_SIZE 32

#define GAMEPAD_INTERFACE	0
#define GAMEPAD_ENDPOINT	1
#define GAMEPAD_SIZE		64

#ifndef LSB
#define LSB(n) ((n) & 255)
#endif
#ifndef MSB
#define MSB(n) (((n) >> 8) & 255)
#endif

// HAT report (4 bits)
#define PS4_HAT_UP        0x00
#define PS4_HAT_UPRIGHT   0x01
#define PS4_HAT_RIGHT     0x02
#define PS4_HAT_DOWNRIGHT 0x03
#define PS4_HAT_DOWN      0x04
#define PS4_HAT_DOWNLEFT  0x05
#define PS4_HAT_LEFT      0x06
#define PS4_HAT_UPLEFT    0x07
#define PS4_HAT_NOTHING   0x0F

// Button report (16 bits)
#define PS4_MASK_SQUARE   (1U <<  0)
#define PS4_MASK_CROSS    (1U <<  1)
#define PS4_MASK_CIRCLE   (1U <<  2)
#define PS4_MASK_TRIANGLE (1U <<  3)
#define PS4_MASK_L1       (1U <<  4)
#define PS4_MASK_R1       (1U <<  5)
#define PS4_MASK_L2       (1U <<  6)
#define PS4_MASK_R2       (1U <<  7)
#define PS4_MASK_SELECT   (1U <<  8)
#define PS4_MASK_START    (1U <<  9)
#define PS4_MASK_L3       (1U << 10)
#define PS4_MASK_R3       (1U << 11)
#define PS4_MASK_PS       (1U << 12)
#define PS4_MASK_TP       (1U << 13)

// PS4 analog sticks only report 8 bits
#define PS4_JOYSTICK_MIN 0x00
#define PS4_JOYSTICK_MID 0x80
#define PS4_JOYSTICK_MAX 0xFF

// PS4 navigation (HOTAS/flight/wheel) analog inputs report 16 bits
#define PS4_NAV_JOYSTICK_MIN 0x0000
#define PS4_NAV_JOYSTICK_MID 0x8000
#define PS4_NAV_JOYSTICK_MAX 0xFFFF

// touchpad resolution = 1920x943
#define PS4_TP_X_MIN 0
#define PS4_TP_X_MAX 1920
#define PS4_TP_Y_MIN 0
#define PS4_TP_Y_MAX 943

#define PS4_TP_MAX_COUNT 128

#define PS4_MAX_GEARS 8

#define PS4_ACCEL_RES 8192
#define PS4_ACCEL_RANGE (PS4_ACCEL_RES * 4)
#define PS4_GYRO_RES 1024
#define PS4_GYRO_RANGE (PS4_GYRO_RES * 2048)

struct TouchpadXY {
    uint8_t counter : 7;
    uint8_t unpressed : 1;

    // 12 bit X, followed by 12 bit Y
    uint8_t data[3];

    void set_x(uint16_t x) {
        data[0] = x & 0xff;
        data[1] = (data[1] & 0xf0) | ((x >> 8) & 0xf);
    }

    void set_y(uint16_t y) {
        data[1] = (data[1] & 0x0f) | ((y & 0xf) << 4);
        data[2] = y >> 4;
        return;
    }
};

struct TouchpadData {
    TouchpadXY p1;
    TouchpadXY p2;
};

struct PSSensor {
    int16_t x;
    int16_t y;
    int16_t z;
};

struct PSSensorData {
    uint16_t battery;
    PSSensor gyroscope;
    PSSensor accelerometer;
    uint8_t misc[4];
    uint8_t powerLevel : 4;
    uint8_t charging : 1;
    uint8_t headphones : 1;
    uint8_t microphone : 1;
    uint8_t extension : 1;
    uint8_t extData0 : 1;
    uint8_t extData1 : 1;
    uint8_t notConnected : 1;
    uint8_t extData3 : 5;
    uint8_t misc2;
} __attribute__((packed));

typedef struct __attribute__((packed)) {
    // 0
    uint8_t reportID;

    // 1
    uint8_t enableUpdateRumble : 1;
    uint8_t enableUpdateLED : 1;
    uint8_t enableUpdateLEDBlink : 1;
    uint8_t enableUpdateExtData : 1;
    uint8_t enableUpdateVolLeft : 1;
    uint8_t enableUpdateVolRight : 1;
    uint8_t enableUpdateVolMic : 1;
    uint8_t enableUpdateVolSpeaker : 1;

    // 2
    uint8_t : 8;

    // 3 
    uint8_t unknown0;

    // 4
    uint8_t rumbleRight;

    // 5
    uint8_t rumbleLeft;

    // 6
    uint8_t ledRed;

    // 7
    uint8_t ledGreen;

    // 8
    uint8_t ledBlue;

    // 9
    uint8_t ledBlinkOn;

    // 10
    uint8_t ledBlinkOff;

    // 11
    uint8_t extData[8];

    // 19
    uint8_t volumeLeft; // 0x00-0x4F

    // 20
    uint8_t volumeRight; // 0x00-0x4F

    // 21
    uint8_t volumeMic; // 0x01-0x4F, 0x00 is special state

    // 22
    uint8_t volumeSpeaker; // 0x00-0x4F

    // 23
    uint8_t unknownAudio;

    // 24
    uint8_t padding[8];
} PS4FeatureOutputReport;

typedef struct __attribute__((packed)) {
    uint16_t gyroRange = 0;
    uint16_t gyroResPerDegDenom = 0;
    uint16_t gyroResPerDegNumer = 0;
    uint16_t accelRange = 0;
    uint16_t accelResPerG = 0;
} PS4IMUConfig;

typedef struct __attribute__((packed)) {
    uint16_t hidUsage = 0x2127;
    uint8_t mystery0 = 0x04;

    // features
    union {
        //uint8_t featureValue = 0xEF;

        struct __attribute__((packed)) {
            uint8_t enableController : 1;
            uint8_t enableMotion : 1;
            uint8_t enableLED : 1;
            uint8_t enableRumble : 1;
            uint8_t enableAnalog : 1;
            uint8_t enableUnknown0: 1;
            uint8_t enableTouchpad : 1;
            uint8_t enableUnknown1: 1;
        } features;
    };

    uint8_t controllerType = 0; // use PS4ControllerType

    uint8_t touchpadParam[2] = {0x00,0x00};
    PS4IMUConfig imuConfig;
    uint16_t magicID = 0x0d0d;
    uint8_t mystery1[4] = {0x00,0x00,0x00,0x00};
    uint8_t wheelParam[3] = {0x00,0x00,0x00};
    uint8_t mystery2[21] = {0x00};
} PS4ControllerConfig;

typedef struct __attribute__((packed)) {
    uint8_t reportID;
    uint8_t leftStickX;
    uint8_t leftStickY;
    uint8_t rightStickX;
    uint8_t rightStickY;

    // 4 bits for the d-pad.
    uint8_t dpad : 4;

    // 14 bits for buttons.
    uint16_t buttonWest : 1;
    uint16_t buttonSouth : 1;
    uint16_t buttonEast : 1;
    uint16_t buttonNorth : 1;
    uint16_t buttonL1 : 1;
    uint16_t buttonR1 : 1;
    uint16_t buttonL2 : 1;
    uint16_t buttonR2 : 1;
    uint16_t buttonSelect : 1;
    uint16_t buttonStart : 1;
    uint16_t buttonL3 : 1;
    uint16_t buttonR3 : 1;
    uint16_t buttonHome : 1;
    uint16_t buttonTouchpad : 1;

    // 6 bit report counter.
    uint8_t reportCounter : 6;

    uint8_t leftTrigger : 8;
    uint8_t rightTrigger : 8;

    // vendor specific
    // ---------------
    union {
        uint8_t miscData[54];
        
        struct __attribute__((packed)) {
            // 16 bit timing counter
            uint16_t axisTiming;

            PSSensorData sensorData;

            uint8_t touchpadActive : 2;
            uint8_t padding : 6;
            uint8_t tpadIncrement;
            TouchpadData touchpadData;
    
            uint8_t mystery2[21];
        } gamepad;
        struct __attribute__((packed)) {
            uint8_t mystery0[22];
            
            uint8_t powerLevel : 4;
            uint8_t : 4;
            
            uint8_t mystery1[10];
            
            uint8_t pickup;
            uint8_t whammy;
            uint8_t tilt;

            union {
                uint8_t fretValue;

                struct __attribute__((packed)) {
                    uint8_t green : 1;
                    uint8_t red : 1;
                    uint8_t yellow : 1;
                    uint8_t blue : 1;
                    uint8_t orange : 1;
                    uint8_t : 3;
                } frets;
            };

            union {
                uint8_t soloFretValue;

                struct __attribute__((packed)) {
                    uint8_t green : 1;
                    uint8_t red : 1;
                    uint8_t yellow : 1;
                    uint8_t blue : 1;
                    uint8_t orange : 1;
                    uint8_t : 3;
                } soloFrets;
            };
            
            uint8_t mystery2[14];
        } guitar;
        struct __attribute__((packed)) {
            uint8_t mystery0[22];
        
            uint8_t powerLevel : 4;
            uint8_t : 4;
        
            uint8_t mystery1[10];
        
            uint8_t velocityDrumRed;
            uint8_t velocityDrumBlue;
            uint8_t velocityDrumYellow;
            uint8_t velocityDrumGreen;
        
            uint8_t velocityCymbalYellow;
            uint8_t velocityCymbalBlue;
            uint8_t velocityCymbalGreen;
        
            uint8_t mystery2[12];
        } drums;
        struct __attribute__((packed)) {
            uint8_t mystery0[22];
        
            uint8_t powerLevel : 4;
            uint8_t : 4;
        
            uint8_t mystery1[10];

            uint16_t joystickX;
            uint16_t joystickY;
            uint8_t twistRudder;
            uint8_t throttle;
            uint8_t rockerSwitch;

            uint8_t pedalRudder;
            uint8_t pedalLeft;
            uint8_t pedalRight;
        } hotas;
        struct __attribute__((packed)) {
            uint8_t mystery0[22];
            
            uint8_t powerLevel : 4;
            uint8_t : 4;
            
            uint8_t mystery1[10];
            
            uint16_t steeringWheel;
            uint16_t gasPedal;
            uint16_t brakePedal;
            uint16_t clutchPedal; // ?

            union {
                uint8_t shifterValue;

                struct __attribute__((packed)) {
                    uint8_t shifterGear1 : 1;
                    uint8_t shifterGear2 : 1;
                    uint8_t shifterGear3 : 1;
                    uint8_t shifterGear4 : 1;
                    uint8_t shifterGear5 : 1;
                    uint8_t shifterGear6 : 1;
                    uint8_t shifterGearR : 1;
                    uint8_t : 1;
                } shifter;
            };

            uint16_t unknownVal;

            uint8_t buttonDialEnter : 1;
            uint8_t buttonDialDown : 1;
            uint8_t buttonDialUp : 1;
            uint8_t buttonMinus : 1;
            uint8_t buttonPlus : 1;
            
            uint8_t : 3;
            
            uint8_t mystery2[7];
        } wheel;
    };
} PS4Report;

static const uint8_t ps4_string_language[]     = { 0x09, 0x04 };
static const uint8_t ps4_string_manufacturer[] = "Open Stick Community";
static const uint8_t ps4_string_product[]      = "GP2040-CE (PS4)";
static const uint8_t ps4_string_version[]      = "1.0";

static const uint8_t *ps4_string_descriptors[] __attribute__((unused)) =
{
    ps4_string_language,
    ps4_string_manufacturer,
    ps4_string_product,
    ps4_string_version
};

static const uint8_t ps4_device_descriptor[] =
{
	18,								  // bLength
	1,								  // bDescriptorType
	0x00, 0x02,						  // bcdUSB
	0,								  // bDeviceClass
	0,								  // bDeviceSubClass
	0,								  // bDeviceProtocol
	ENDPOINT0_SIZE,					  // bMaxPacketSize0
	LSB(PS4_VENDOR_ID), MSB(PS4_VENDOR_ID),	  // idVendor
	LSB(PS4_PRODUCT_ID), MSB(PS4_PRODUCT_ID), // idProduct
	0x00, 0x01,						  // bcdDevice
	1,								  // iManufacturer
	2,								  // iProduct
	0,								  // iSerialNumber
	1								  // bNumConfigurations
};

static const uint8_t ps4_report_descriptor[] =
{
	0x05, 0x01,        // Usage Page (Generic Desktop Ctrls)
	0x09, 0x05,        // Usage (Game Pad)
	0xA1, 0x01,        // Collection (Application)
	0x85, 0x01,        //   Report ID (1)
	0x09, 0x30,        //   Usage (X)
	0x09, 0x31,        //   Usage (Y)
	0x09, 0x32,        //   Usage (Z)
	0x09, 0x35,        //   Usage (Rz)
	0x15, 0x00,        //   Logical Minimum (0)
	0x26, 0xFF, 0x00,  //   Logical Maximum (255)
	0x75, 0x08,        //   Report Size (8)
	0x95, 0x04,        //   Report Count (4)
	0x81, 0x02,        //   Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)

	0x09, 0x39,        //   Usage (Hat switch)
	0x15, 0x00,        //   Logical Minimum (0)
	0x25, 0x07,        //   Logical Maximum (7)
	0x35, 0x00,        //   Physical Minimum (0)
	0x46, 0x3B, 0x01,  //   Physical Maximum (315)
	0x65, 0x14,        //   Unit (System: English Rotation, Length: Centimeter)
	0x75, 0x04,        //   Report Size (4)
	0x95, 0x01,        //   Report Count (1)
	0x81, 0x42,        //   Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State)

	0x65, 0x00,        //   Unit (None)
	0x05, 0x09,        //   Usage Page (Button)
	0x19, 0x01,        //   Usage Minimum (0x01)
	0x29, 0x0E,        //   Usage Maximum (0x0E)
	0x15, 0x00,        //   Logical Minimum (0)
	0x25, 0x01,        //   Logical Maximum (1)
	0x75, 0x01,        //   Report Size (1)
	0x95, 0x0E,        //   Report Count (14)
	0x81, 0x02,        //   Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)

	0x06, 0x00, 0xFF,  //   Usage Page (Vendor Defined 0xFF00)
	0x09, 0x20,        //   Usage (0x20)
	0x75, 0x06,        //   Report Size (6)
	0x95, 0x01,        //   Report Count (1)
	0x81, 0x02,        //   Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)

	0x05, 0x01,        //   Usage Page (Generic Desktop Ctrls)
	0x09, 0x33,        //   Usage (Rx)
	0x09, 0x34,        //   Usage (Ry)
	0x15, 0x00,        //   Logical Minimum (0)
	0x26, 0xFF, 0x00,  //   Logical Maximum (255)
	0x75, 0x08,        //   Report Size (8)
	0x95, 0x02,        //   Report Count (2)
	0x81, 0x02,        //   Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)

	0x06, 0x00, 0xFF,  //   Usage Page (Vendor Defined 0xFF00)
	0x09, 0x21,        //   Usage (0x21)
	0x95, 0x36,        //   Report Count (54)
	0x81, 0x02,        //   Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)

	0x85, 0x05,        //   Report ID (5)
	0x09, 0x22,        //   Usage (0x22)
	0x95, 0x1F,        //   Report Count (31)
	0x91, 0x02,        //   Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)

	0x85, 0x03,        //   Report ID (3)
	0x0A, 0x21, 0x27,  //   Usage (0x2721)
	0x95, 0x2F,        //   Report Count (47)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)

	0x85, 0x02,        //   Report ID (2)
	0x09, 0x24,        //   Usage (0x24)
	0x95, 0x24,        //   Report Count (36)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x08,        //   Report ID (8)
	0x09, 0x25,        //   Usage (0x25)
	0x95, 0x03,        //   Report Count (3)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x10,        //   Report ID (16)
	0x09, 0x26,        //   Usage (0x26)
	0x95, 0x04,        //   Report Count (4)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x11,        //   Report ID (17)
	0x09, 0x27,        //   Usage (0x27)
	0x95, 0x02,        //   Report Count (2)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x12,        //   Report ID (18)
	0x06, 0x02, 0xFF,  //   Usage Page (Vendor Defined 0xFF02)
	0x09, 0x21,        //   Usage (0x21)
	0x95, 0x0F,        //   Report Count (15)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x13,        //   Report ID (19)
	0x09, 0x22,        //   Usage (0x22)
	0x95, 0x16,        //   Report Count (22)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x14,        //   Report ID (20)
	0x06, 0x05, 0xFF,  //   Usage Page (Vendor Defined 0xFF05)
	0x09, 0x20,        //   Usage (0x20)
	0x95, 0x10,        //   Report Count (16)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x15,        //   Report ID (21)
	0x09, 0x21,        //   Usage (0x21)
	0x95, 0x2C,        //   Report Count (44)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x06, 0x80, 0xFF,  //   Usage Page (Vendor Defined 0xFF80)
	0x85, 0x80,        //   Report ID (128)
	0x09, 0x20,        //   Usage (0x20)
	0x95, 0x06,        //   Report Count (6)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x81,        //   Report ID (129)
	0x09, 0x21,        //   Usage (0x21)
	0x95, 0x06,        //   Report Count (6)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x82,        //   Report ID (130)
	0x09, 0x22,        //   Usage (0x22)
	0x95, 0x05,        //   Report Count (5)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x83,        //   Report ID (131)
	0x09, 0x23,        //   Usage (0x23)
	0x95, 0x01,        //   Report Count (1)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x84,        //   Report ID (132)
	0x09, 0x24,        //   Usage (0x24)
	0x95, 0x04,        //   Report Count (4)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x85,        //   Report ID (133)
	0x09, 0x25,        //   Usage (0x25)
	0x95, 0x06,        //   Report Count (6)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x86,        //   Report ID (134)
	0x09, 0x26,        //   Usage (0x26)
	0x95, 0x06,        //   Report Count (6)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x87,        //   Report ID (135)
	0x09, 0x27,        //   Usage (0x27)
	0x95, 0x23,        //   Report Count (35)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x88,        //   Report ID (136)
	0x09, 0x28,        //   Usage (0x28)
	0x95, 0x22,        //   Report Count (34)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x89,        //   Report ID (137)
	0x09, 0x29,        //   Usage (0x29)
	0x95, 0x02,        //   Report Count (2)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x90,        //   Report ID (144)
	0x09, 0x30,        //   Usage (0x30)
	0x95, 0x05,        //   Report Count (5)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x91,        //   Report ID (145)
	0x09, 0x31,        //   Usage (0x31)
	0x95, 0x03,        //   Report Count (3)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x92,        //   Report ID (146)
	0x09, 0x32,        //   Usage (0x32)
	0x95, 0x03,        //   Report Count (3)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0x93,        //   Report ID (147)
	0x09, 0x33,        //   Usage (0x33)
	0x95, 0x0C,        //   Report Count (12)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xA0,        //   Report ID (160)
	0x09, 0x40,        //   Usage (0x40)
	0x95, 0x06,        //   Report Count (6)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xA1,        //   Report ID (161)
	0x09, 0x41,        //   Usage (0x41)
	0x95, 0x01,        //   Report Count (1)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xA2,        //   Report ID (162)
	0x09, 0x42,        //   Usage (0x42)
	0x95, 0x01,        //   Report Count (1)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xA3,        //   Report ID (163)
	0x09, 0x43,        //   Usage (0x43)
	0x95, 0x30,        //   Report Count (48)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xA4,        //   Report ID (164)
	0x09, 0x44,        //   Usage (0x44)
	0x95, 0x0D,        //   Report Count (13)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xA5,        //   Report ID (165)
	0x09, 0x45,        //   Usage (0x45)
	0x95, 0x15,        //   Report Count (21)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xA6,        //   Report ID (166)
	0x09, 0x46,        //   Usage (0x46)
	0x95, 0x15,        //   Report Count (21)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xA7,        //   Report ID (247)
	0x09, 0x4A,        //   Usage (0x4A)
	0x95, 0x01,        //   Report Count (1)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xA8,        //   Report ID (250)
	0x09, 0x4B,        //   Usage (0x4B)
	0x95, 0x01,        //   Report Count (1)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xA9,        //   Report ID (251)
	0x09, 0x4C,        //   Usage (0x4C)
	0x95, 0x08,        //   Report Count (8)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xAA,        //   Report ID (252)
	0x09, 0x4E,        //   Usage (0x4E)
	0x95, 0x01,        //   Report Count (1)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xAB,        //   Report ID (253)
	0x09, 0x4F,        //   Usage (0x4F)
	0x95, 0x39,        //   Report Count (57)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xAC,        //   Report ID (254)
	0x09, 0x50,        //   Usage (0x50)
	0x95, 0x39,        //   Report Count (57)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xAD,        //   Report ID (255)
	0x09, 0x51,        //   Usage (0x51)
	0x95, 0x0B,        //   Report Count (11)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xAE,        //   Report ID (256)
	0x09, 0x52,        //   Usage (0x52)
	0x95, 0x01,        //   Report Count (1)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xAF,        //   Report ID (175)
	0x09, 0x53,        //   Usage (0x53)
	0x95, 0x02,        //   Report Count (2)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xB0,        //   Report ID (176)
	0x09, 0x54,        //   Usage (0x54)
	0x95, 0x3F,        //   Report Count (63)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0xC0,              // End Collection

	0x06, 0xF0, 0xFF,  // Usage Page (Vendor Defined 0xFFF0)
	0x09, 0x40,        // Usage (0x40)
	0xA1, 0x01,        // Collection (Application)
	0x85, 0xF0,        //   Report ID (-16) AUTH F0
	0x09, 0x47,        //   Usage (0x47)
	0x95, 0x3F,        //   Report Count (63)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xF1,        //   Report ID (-15) AUTH F1
	0x09, 0x48,        //   Usage (0x48)
	0x95, 0x3F,        //   Report Count (63)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xF2,        //   Report ID (-14) AUTH F2
	0x09, 0x49,        //   Usage (0x49)
	0x95, 0x0F,        //   Report Count (15)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0x85, 0xF3,        //   Report ID (-13) Auth F3 (Reset)
	0x0A, 0x01, 0x47,  //   Usage (0x4701)
	0x95, 0x07,        //   Report Count (7)
	0xB1, 0x02,        //   Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
	0xC0,              // End Collection
};

static const uint8_t ps4_hid_descriptor[] =
{
	0x09,								 // bLength
	0x21,								 // bDescriptorType (HID)
	0x11, 0x01,							 // bcdHID 1.11
	0x00,								 // bCountryCode
	0x01,								 // bNumDescriptors
	0x22,								 // bDescriptorType[0] (HID)
	LSB(sizeof(ps4_report_descriptor)), MSB(sizeof(ps4_report_descriptor))
};

#define PS4_CONFIG1_DESC_SIZE		(9+9+9+7+7)
static const uint8_t ps4_configuration_descriptor[] =
{
	// configuration descriptor, USB spec 9.6.3, page 264-266, Table 9-10
	9,						       // bLength;
	2,						       // bDescriptorType;
	LSB(PS4_CONFIG1_DESC_SIZE),    // wTotalLength
	MSB(PS4_CONFIG1_DESC_SIZE),
	1,	                           // bNumInterfaces
	1,	                           // bConfigurationValue
	0,	                           // iConfiguration
	0x80,                          // bmAttributes
	50,	                           // bMaxPower
		// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
	9,				               // bLength
	4,				               // bDescriptorType
	GAMEPAD_INTERFACE,             // bInterfaceNumber
	0,				               // bAlternateSetting
	2,				               // bNumEndpoints
	0x03,			               // bInterfaceClass (0x03 = HID)
	0x00,			               // bInterfaceSubClass (0x00 = No Boot)
	0x00,			               // bInterfaceProtocol (0x00 = No Protocol)
	0,				               // iInterface
		// HID interface descriptor, HID 1.11 spec, section 6.2.1
	9,							   // bLength
	0x21,						   // bDescriptorType
	0x11, 0x01,					   // bcdHID
	0,							   // bCountryCode
	1,							   // bNumDescriptors
	0x22,						   // bDescriptorType
	LSB(sizeof(ps4_report_descriptor)), // wDescriptorLength
	MSB(sizeof(ps4_report_descriptor)),
		// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
	7,						 	   // bLength
	5,						       // bDescriptorType
	GAMEPAD_ENDPOINT | 0x80,       // bEndpointAddress
	0x03,					       // bmAttributes (0x03=intr)
	GAMEPAD_SIZE, 0,		       // wMaxPacketSize
	1,						       // bInterval (1 ms)
	0x07,                          // bLength
	0x05,                          // bDescriptorType (Endpoint)
	0x03,                          // bEndpointAddress (OUT/H2D)
	0x03,                          // bmAttributes (Interrupt)
	0x40, 0x00,                    // wMaxPacketSize 64
	0x01,                          // bInterval 1 (unit depends on device speed)
};