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82 lines
3 KiB
C++
82 lines
3 KiB
C++
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
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// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
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// https://github.com/CTCaer/jc_toolkit
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// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
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#pragma once
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#include <vector>
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#include "input_common/helpers/joycon_protocol/common_protocol.h"
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namespace InputCommon::Joycon {
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enum class DriverResult;
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struct JoyStickCalibration;
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struct IMUCalibration;
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struct JoyconHandle;
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} // namespace InputCommon::Joycon
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namespace InputCommon::Joycon {
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/// Driver functions related to retrieving calibration data from the device
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class CalibrationProtocol final : private JoyconCommonProtocol {
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public:
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explicit CalibrationProtocol(std::shared_ptr<JoyconHandle> handle);
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/**
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* Sends a request to obtain the left stick calibration from memory
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* @param is_factory_calibration if true factory values will be returned
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* @returns JoyStickCalibration of the left joystick
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*/
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DriverResult GetLeftJoyStickCalibration(JoyStickCalibration& calibration);
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/**
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* Sends a request to obtain the right stick calibration from memory
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* @param is_factory_calibration if true factory values will be returned
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* @returns JoyStickCalibration of the right joystick
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*/
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DriverResult GetRightJoyStickCalibration(JoyStickCalibration& calibration);
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/**
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* Sends a request to obtain the motion calibration from memory
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* @returns ImuCalibration of the motion sensor
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*/
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DriverResult GetImuCalibration(MotionCalibration& calibration);
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/**
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* Calculates on run time the proper calibration of the ring controller
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* @returns RingCalibration of the ring sensor
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*/
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DriverResult GetRingCalibration(RingCalibration& calibration, s16 current_value);
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private:
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/// Returns true if the specified address corresponds to the magic value of user calibration
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DriverResult HasUserCalibration(SpiAddress address, bool& has_user_calibration);
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/// Converts a raw calibration block to an u16 value containing the x axis value
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u16 GetXAxisCalibrationValue(std::span<u8> block) const;
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/// Converts a raw calibration block to an u16 value containing the y axis value
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u16 GetYAxisCalibrationValue(std::span<u8> block) const;
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/// Ensures that all joystick calibration values are set
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void ValidateCalibration(JoyStickCalibration& calibration);
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/// Ensures that all motion calibration values are set
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void ValidateCalibration(MotionCalibration& calibration);
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/// Returns the default value if the value is either zero or 0xFFF
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u16 ValidateValue(u16 value, u16 default_value) const;
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/// Returns the default value if the value is either zero or 0xFFF
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s16 ValidateValue(s16 value, s16 default_value) const;
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s16 ring_data_max = 0;
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s16 ring_data_default = 0;
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s16 ring_data_min = 0;
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};
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} // namespace InputCommon::Joycon
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