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Diffstat (limited to 'src/input_common/helpers/joycon_protocol/calibration.h')
-rw-r--r-- | src/input_common/helpers/joycon_protocol/calibration.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/input_common/helpers/joycon_protocol/calibration.h b/src/input_common/helpers/joycon_protocol/calibration.h new file mode 100644 index 000000000..c6fd0f729 --- /dev/null +++ b/src/input_common/helpers/joycon_protocol/calibration.h @@ -0,0 +1,82 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse +// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c +// https://github.com/CTCaer/jc_toolkit +// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering + +#pragma once + +#include <vector> + +#include "input_common/helpers/joycon_protocol/common_protocol.h" + +namespace InputCommon::Joycon { +enum class DriverResult; +struct JoyStickCalibration; +struct IMUCalibration; +struct JoyconHandle; +} // namespace InputCommon::Joycon + +namespace InputCommon::Joycon { + +/// Driver functions related to retrieving calibration data from the device +class CalibrationProtocol final : private JoyconCommonProtocol { +public: + explicit CalibrationProtocol(std::shared_ptr<JoyconHandle> handle); + + /** + * Sends a request to obtain the left stick calibration from memory + * @param is_factory_calibration if true factory values will be returned + * @returns JoyStickCalibration of the left joystick + */ + DriverResult GetLeftJoyStickCalibration(JoyStickCalibration& calibration); + + /** + * Sends a request to obtain the right stick calibration from memory + * @param is_factory_calibration if true factory values will be returned + * @returns JoyStickCalibration of the right joystick + */ + DriverResult GetRightJoyStickCalibration(JoyStickCalibration& calibration); + + /** + * Sends a request to obtain the motion calibration from memory + * @returns ImuCalibration of the motion sensor + */ + DriverResult GetImuCalibration(MotionCalibration& calibration); + + /** + * Calculates on run time the proper calibration of the ring controller + * @returns RingCalibration of the ring sensor + */ + DriverResult GetRingCalibration(RingCalibration& calibration, s16 current_value); + +private: + /// Returns true if the specified address corresponds to the magic value of user calibration + DriverResult HasUserCalibration(SpiAddress address, bool& has_user_calibration); + + /// Converts a raw calibration block to an u16 value containing the x axis value + u16 GetXAxisCalibrationValue(std::span<u8> block) const; + + /// Converts a raw calibration block to an u16 value containing the y axis value + u16 GetYAxisCalibrationValue(std::span<u8> block) const; + + /// Ensures that all joystick calibration values are set + void ValidateCalibration(JoyStickCalibration& calibration); + + /// Ensures that all motion calibration values are set + void ValidateCalibration(MotionCalibration& calibration); + + /// Returns the default value if the value is either zero or 0xFFF + u16 ValidateValue(u16 value, u16 default_value) const; + + /// Returns the default value if the value is either zero or 0xFFF + s16 ValidateValue(s16 value, s16 default_value) const; + + s16 ring_data_max = 0; + s16 ring_data_default = 0; + s16 ring_data_min = 0; +}; + +} // namespace InputCommon::Joycon |