157 lines
3.5 KiB
C++
157 lines
3.5 KiB
C++
/*
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Device.h is part of DualSenseWindows
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https://github.com/mattdevv/DualSense-Windows
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Contributors of this file:
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11.2021 Matthew Hall
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11.2020 Ludwig Füchsl
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Licensed under the MIT License (To be found in repository root directory)
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*/
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#pragma once
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#include <Windows.h>
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#include <DeviceSpecs.h>
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// more accurate integer multiplication by a fraction
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constexpr int mult_frac(int x, int numer, int denom)
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{
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int quot = x / denom;
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int rem = x % denom;
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return quot * numer + (rem * numer) / denom;
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}
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namespace DS5W {
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/// <summary>
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/// Storage for calibration values used to parse raw motion data
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/// </summary>
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typedef struct _AxisCalibrationData {
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short bias;
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int sens_numer;
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int sens_denom;
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int calibrate(int rawValue)
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{
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return mult_frac(sens_numer, rawValue - bias, sens_denom);
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}
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} AxisCalibrationData;
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typedef struct _DeviceCalibrationData {
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/// <summary>
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/// Values to calibrate controller's accelerometer and gyroscope
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/// </summary>
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AxisCalibrationData accelerometer[3];
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/// <summary>
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/// Values to calibrate controller's gyroscope
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/// </summary>
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AxisCalibrationData gyroscope[3];
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} DeviceCalibrationData;
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/// <summary>
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/// Enum for device connection type
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/// </summary>
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typedef enum class _DeviceConnection : unsigned char {
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/// <summary>
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/// Controler is connected via USB
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/// </summary>
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USB = 0,
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/// <summary>
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/// Controler is connected via bluetooth
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/// </summary>
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BT = 1,
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} DeviceConnection;
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/// <summary>
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/// Struckt for storing device enum info while device discovery
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/// </summary>
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typedef struct _DeviceEnumInfo {
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/// <summary>
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/// Encapsulate data in struct to (at least try) prevent user from modifing the context
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/// </summary>
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struct {
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/// <summary>
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/// Path to the discovered device
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/// </summary>
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wchar_t path[260];
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/// <summary>
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/// Connection type of the discoverd device
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/// </summary>
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DeviceConnection connection;
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/// <summary>
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/// Unique device identifier
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/// 32-bit hash of device interface's path
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/// </summary>
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UINT32 uniqueID;
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} _internal;
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} DeviceEnumInfo;
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/// <summary>
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/// Device context
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/// </summary>
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typedef struct _DeviceContext {
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/// <summary>
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/// Encapsulate data in struct to (at least try) prevent user from modifing the context
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/// </summary>
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struct {
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/// <summary>
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/// Path to the device
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/// </summary>
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wchar_t devicePath[260];
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/// <summary>
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/// Unique device identifier
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/// 32-bit hash of device interface's path
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/// </summary>
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UINT32 uniqueID;
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/// <summary>
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/// Handle to the open device
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/// </summary>
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HANDLE deviceHandle;
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/// <summary>
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/// Synchronization struct for async input
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/// </summary>
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OVERLAPPED olRead;
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/// <summary>
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/// Synchronization struct for async output
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/// </summary>
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OVERLAPPED olWrite;
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/// <summary>
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/// Connection of the device
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/// </summary>
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DeviceConnection connectionType;
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/// <summary>
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/// Collection of values required to parse controller's motion data
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/// </summary>
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DeviceCalibrationData calibrationData;
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/// <summary>
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/// Time when last input report was received, measured in 0.33 microseconds
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/// </summary>
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unsigned int timestamp;
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/// <summary>
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/// Current state of connection
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/// </summary>
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bool connected;
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/// <summary>
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/// HID Input buffer
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/// </summary>
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unsigned char hidInBuffer[DS_MAX_INPUT_REPORT_SIZE];
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/// <summary>
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/// HID Output buffer
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/// </summary>
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unsigned char hidOutBuffer[DS_MAX_OUTPUT_REPORT_SIZE];
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}_internal;
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} DeviceContext;
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} |