Merge pull request #9492 from german77/joycon_release

Input_common: Implement custom joycon driver v2

1 files changed, 64 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..afb52a36a
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/calibration.h
@@ -0,0 +1,64 @@
+// 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:
+    void ValidateCalibration(JoyStickCalibration& calibration);
+    void ValidateCalibration(MotionCalibration& calibration);
+
+    s16 ring_data_max = 0;
+    s16 ring_data_default = 0;
+    s16 ring_data_min = 0;
+};
+
+} // namespace InputCommon::Joycon