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author | Narr the Reg <juangerman-13@hotmail.com> | 2022-12-21 03:27:34 +0100 |
---|---|---|
committer | Narr the Reg <juangerman-13@hotmail.com> | 2023-01-20 01:05:21 +0100 |
commit | f09a023292e659af46d551b9b134d94d000a57c7 (patch) | |
tree | f34ef390cac9f32f7d807614505601635ac62e28 /src/input_common/helpers/joycon_protocol | |
parent | input_common: Use calibration from joycon (diff) | |
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Diffstat (limited to 'src/input_common/helpers/joycon_protocol')
-rw-r--r-- | src/input_common/helpers/joycon_protocol/poller.cpp | 315 | ||||
-rw-r--r-- | src/input_common/helpers/joycon_protocol/poller.h | 77 | ||||
-rw-r--r-- | src/input_common/helpers/joycon_protocol/rumble.cpp | 299 | ||||
-rw-r--r-- | src/input_common/helpers/joycon_protocol/rumble.h | 33 |
4 files changed, 724 insertions, 0 deletions
diff --git a/src/input_common/helpers/joycon_protocol/poller.cpp b/src/input_common/helpers/joycon_protocol/poller.cpp new file mode 100644 index 000000000..341479c0c --- /dev/null +++ b/src/input_common/helpers/joycon_protocol/poller.cpp @@ -0,0 +1,315 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "common/logging/log.h" +#include "input_common/helpers/joycon_protocol/poller.h" + +namespace InputCommon::Joycon { + +JoyconPoller::JoyconPoller(ControllerType device_type_, JoyStickCalibration left_stick_calibration_, + JoyStickCalibration right_stick_calibration_, + MotionCalibration motion_calibration_) + : device_type{device_type_}, left_stick_calibration{left_stick_calibration_}, + right_stick_calibration{right_stick_calibration_}, motion_calibration{motion_calibration_} {} + +void JoyconPoller::SetCallbacks(const Joycon::JoyconCallbacks& callbacks_) { + callbacks = std::move(callbacks_); +} + +void JoyconPoller::ReadActiveMode(std::span<u8> buffer, const MotionStatus& motion_status) { + InputReportActive data{}; + memcpy(&data, buffer.data(), sizeof(InputReportActive)); + + switch (device_type) { + case Joycon::ControllerType::Left: + UpdateActiveLeftPadInput(data, motion_status); + break; + case Joycon::ControllerType::Right: + UpdateActiveRightPadInput(data, motion_status); + break; + case Joycon::ControllerType::Pro: + UpdateActiveProPadInput(data, motion_status); + break; + case Joycon::ControllerType::Grip: + case Joycon::ControllerType::Dual: + case Joycon::ControllerType::None: + break; + } + + callbacks.on_battery_data(data.battery_status); +} + +void JoyconPoller::ReadPassiveMode(std::span<u8> buffer) { + InputReportPassive data{}; + memcpy(&data, buffer.data(), sizeof(InputReportPassive)); + + switch (device_type) { + case Joycon::ControllerType::Left: + UpdatePasiveLeftPadInput(data); + break; + case Joycon::ControllerType::Right: + UpdatePasiveRightPadInput(data); + break; + case Joycon::ControllerType::Pro: + UpdatePasiveProPadInput(data); + break; + case Joycon::ControllerType::Grip: + case Joycon::ControllerType::Dual: + case Joycon::ControllerType::None: + break; + } +} + +void JoyconPoller::ReadNfcIRMode(std::span<u8> buffer, const MotionStatus& motion_status) { + // This mode is compatible with the active mode + ReadActiveMode(buffer, motion_status); +} + +void JoyconPoller::UpdateColor(const Color& color) { + callbacks.on_color_data(color); +} + +void JoyconPoller::UpdateActiveLeftPadInput(const InputReportActive& input, + const MotionStatus& motion_status) { + static constexpr std::array<Joycon::PadButton, 11> left_buttons{ + Joycon::PadButton::Down, Joycon::PadButton::Up, Joycon::PadButton::Right, + Joycon::PadButton::Left, Joycon::PadButton::LeftSL, Joycon::PadButton::LeftSR, + Joycon::PadButton::L, Joycon::PadButton::ZL, Joycon::PadButton::Minus, + Joycon::PadButton::Capture, Joycon::PadButton::StickL, + }; + + const u32 raw_button = + static_cast<u32>(input.button_input[2] | ((input.button_input[1] & 0b00101001) << 16)); + for (std::size_t i = 0; i < left_buttons.size(); ++i) { + const bool button_status = (raw_button & static_cast<u32>(left_buttons[i])) != 0; + const int button = static_cast<int>(left_buttons[i]); + callbacks.on_button_data(button, button_status); + } + + const u16 raw_left_axis_x = + static_cast<u16>(input.left_stick_state[0] | ((input.left_stick_state[1] & 0xf) << 8)); + const u16 raw_left_axis_y = + static_cast<u16>((input.left_stick_state[1] >> 4) | (input.left_stick_state[2] << 4)); + const f32 left_axis_x = GetAxisValue(raw_left_axis_x, left_stick_calibration.x); + const f32 left_axis_y = GetAxisValue(raw_left_axis_y, left_stick_calibration.y); + callbacks.on_stick_data(static_cast<int>(PadAxes::LeftStickX), left_axis_x); + callbacks.on_stick_data(static_cast<int>(PadAxes::LeftStickY), left_axis_y); + + if (motion_status.is_enabled) { + auto left_motion = GetMotionInput(input, motion_status); + // Rotate motion axis to the correct direction + left_motion.accel_y = -left_motion.accel_y; + left_motion.accel_z = -left_motion.accel_z; + left_motion.gyro_x = -left_motion.gyro_x; + callbacks.on_motion_data(static_cast<int>(PadMotion::LeftMotion), left_motion); + } +} + +void JoyconPoller::UpdateActiveRightPadInput(const InputReportActive& input, + const MotionStatus& motion_status) { + static constexpr std::array<Joycon::PadButton, 11> right_buttons{ + Joycon::PadButton::Y, Joycon::PadButton::X, Joycon::PadButton::B, + Joycon::PadButton::A, Joycon::PadButton::RightSL, Joycon::PadButton::RightSR, + Joycon::PadButton::R, Joycon::PadButton::ZR, Joycon::PadButton::Plus, + Joycon::PadButton::Home, Joycon::PadButton::StickR, + }; + + const u32 raw_button = + static_cast<u32>((input.button_input[0] << 8) | (input.button_input[1] << 16)); + for (std::size_t i = 0; i < right_buttons.size(); ++i) { + const bool button_status = (raw_button & static_cast<u32>(right_buttons[i])) != 0; + const int button = static_cast<int>(right_buttons[i]); + callbacks.on_button_data(button, button_status); + } + + const u16 raw_right_axis_x = + static_cast<u16>(input.right_stick_state[0] | ((input.right_stick_state[1] & 0xf) << 8)); + const u16 raw_right_axis_y = + static_cast<u16>((input.right_stick_state[1] >> 4) | (input.right_stick_state[2] << 4)); + const f32 right_axis_x = GetAxisValue(raw_right_axis_x, right_stick_calibration.x); + const f32 right_axis_y = GetAxisValue(raw_right_axis_y, right_stick_calibration.y); + callbacks.on_stick_data(static_cast<int>(PadAxes::RightStickX), right_axis_x); + callbacks.on_stick_data(static_cast<int>(PadAxes::RightStickY), right_axis_y); + + if (motion_status.is_enabled) { + auto right_motion = GetMotionInput(input, motion_status); + // Rotate motion axis to the correct direction + right_motion.accel_x = -right_motion.accel_x; + right_motion.accel_y = -right_motion.accel_y; + right_motion.gyro_z = -right_motion.gyro_z; + callbacks.on_motion_data(static_cast<int>(PadMotion::RightMotion), right_motion); + } +} + +void JoyconPoller::UpdateActiveProPadInput(const InputReportActive& input, + const MotionStatus& motion_status) { + static constexpr std::array<Joycon::PadButton, 18> pro_buttons{ + Joycon::PadButton::Down, Joycon::PadButton::Up, Joycon::PadButton::Right, + Joycon::PadButton::Left, Joycon::PadButton::L, Joycon::PadButton::ZL, + Joycon::PadButton::Minus, Joycon::PadButton::Capture, Joycon::PadButton::Y, + Joycon::PadButton::X, Joycon::PadButton::B, Joycon::PadButton::A, + Joycon::PadButton::R, Joycon::PadButton::ZR, Joycon::PadButton::Plus, + Joycon::PadButton::Home, Joycon::PadButton::StickL, Joycon::PadButton::StickR, + }; + + const u32 raw_button = static_cast<u32>(input.button_input[2] | (input.button_input[0] << 8) | + (input.button_input[1] << 16)); + for (std::size_t i = 0; i < pro_buttons.size(); ++i) { + const bool button_status = (raw_button & static_cast<u32>(pro_buttons[i])) != 0; + const int button = static_cast<int>(pro_buttons[i]); + callbacks.on_button_data(button, button_status); + } + + const u16 raw_left_axis_x = + static_cast<u16>(input.left_stick_state[0] | ((input.left_stick_state[1] & 0xf) << 8)); + const u16 raw_left_axis_y = + static_cast<u16>((input.left_stick_state[1] >> 4) | (input.left_stick_state[2] << 4)); + const u16 raw_right_axis_x = + static_cast<u16>(input.right_stick_state[0] | ((input.right_stick_state[1] & 0xf) << 8)); + const u16 raw_right_axis_y = + static_cast<u16>((input.right_stick_state[1] >> 4) | (input.right_stick_state[2] << 4)); + + const f32 left_axis_x = GetAxisValue(raw_left_axis_x, left_stick_calibration.x); + const f32 left_axis_y = GetAxisValue(raw_left_axis_y, left_stick_calibration.y); + const f32 right_axis_x = GetAxisValue(raw_right_axis_x, right_stick_calibration.x); + const f32 right_axis_y = GetAxisValue(raw_right_axis_y, right_stick_calibration.y); + callbacks.on_stick_data(static_cast<int>(PadAxes::LeftStickX), left_axis_x); + callbacks.on_stick_data(static_cast<int>(PadAxes::LeftStickY), left_axis_y); + callbacks.on_stick_data(static_cast<int>(PadAxes::RightStickX), right_axis_x); + callbacks.on_stick_data(static_cast<int>(PadAxes::RightStickY), right_axis_y); + + if (motion_status.is_enabled) { + auto pro_motion = GetMotionInput(input, motion_status); + pro_motion.gyro_x = -pro_motion.gyro_x; + pro_motion.accel_y = -pro_motion.accel_y; + pro_motion.accel_z = -pro_motion.accel_z; + callbacks.on_motion_data(static_cast<int>(PadMotion::LeftMotion), pro_motion); + callbacks.on_motion_data(static_cast<int>(PadMotion::RightMotion), pro_motion); + } +} + +void JoyconPoller::UpdatePasiveLeftPadInput(const InputReportPassive& input) { + static constexpr std::array<Joycon::PasivePadButton, 11> left_buttons{ + Joycon::PasivePadButton::Down_A, Joycon::PasivePadButton::Right_X, + Joycon::PasivePadButton::Left_B, Joycon::PasivePadButton::Up_Y, + Joycon::PasivePadButton::SL, Joycon::PasivePadButton::SR, + Joycon::PasivePadButton::L_R, Joycon::PasivePadButton::ZL_ZR, + Joycon::PasivePadButton::Minus, Joycon::PasivePadButton::Capture, + Joycon::PasivePadButton::StickL, + }; + + for (std::size_t i = 0; i < left_buttons.size(); ++i) { + const bool button_status = (input.button_input & static_cast<u32>(left_buttons[i])) != 0; + const int button = static_cast<int>(left_buttons[i]); + callbacks.on_button_data(button, button_status); + } +} + +void JoyconPoller::UpdatePasiveRightPadInput(const InputReportPassive& input) { + static constexpr std::array<Joycon::PasivePadButton, 11> right_buttons{ + Joycon::PasivePadButton::Down_A, Joycon::PasivePadButton::Right_X, + Joycon::PasivePadButton::Left_B, Joycon::PasivePadButton::Up_Y, + Joycon::PasivePadButton::SL, Joycon::PasivePadButton::SR, + Joycon::PasivePadButton::L_R, Joycon::PasivePadButton::ZL_ZR, + Joycon::PasivePadButton::Plus, Joycon::PasivePadButton::Home, + Joycon::PasivePadButton::StickR, + }; + + for (std::size_t i = 0; i < right_buttons.size(); ++i) { + const bool button_status = (input.button_input & static_cast<u32>(right_buttons[i])) != 0; + const int button = static_cast<int>(right_buttons[i]); + callbacks.on_button_data(button, button_status); + } +} + +void JoyconPoller::UpdatePasiveProPadInput(const InputReportPassive& input) { + static constexpr std::array<Joycon::PasivePadButton, 14> pro_buttons{ + Joycon::PasivePadButton::Down_A, Joycon::PasivePadButton::Right_X, + Joycon::PasivePadButton::Left_B, Joycon::PasivePadButton::Up_Y, + Joycon::PasivePadButton::SL, Joycon::PasivePadButton::SR, + Joycon::PasivePadButton::L_R, Joycon::PasivePadButton::ZL_ZR, + Joycon::PasivePadButton::Minus, Joycon::PasivePadButton::Plus, + Joycon::PasivePadButton::Capture, Joycon::PasivePadButton::Home, + Joycon::PasivePadButton::StickL, Joycon::PasivePadButton::StickR, + }; + + for (std::size_t i = 0; i < pro_buttons.size(); ++i) { + const bool button_status = (input.button_input & static_cast<u32>(pro_buttons[i])) != 0; + const int button = static_cast<int>(pro_buttons[i]); + callbacks.on_button_data(button, button_status); + } +} + +f32 JoyconPoller::GetAxisValue(u16 raw_value, Joycon::JoyStickAxisCalibration calibration) const { + const f32 value = static_cast<f32>(raw_value - calibration.center); + if (value > 0.0f) { + return value / calibration.max; + } + return value / calibration.min; +} + +f32 JoyconPoller::GetAccelerometerValue(s16 raw, const MotionSensorCalibration& cal, + AccelerometerSensitivity sensitivity) const { + const f32 value = raw * (1.0f / (cal.scale - cal.offset)) * 4; + switch (sensitivity) { + case Joycon::AccelerometerSensitivity::G2: + return value / 4.0f; + case Joycon::AccelerometerSensitivity::G4: + return value / 2.0f; + case Joycon::AccelerometerSensitivity::G8: + return value; + case Joycon::AccelerometerSensitivity::G16: + return value * 2.0f; + } + return value; +} + +f32 JoyconPoller::GetGyroValue(s16 raw, const MotionSensorCalibration& cal, + GyroSensitivity sensitivity) const { + const f32 value = (raw - cal.offset) * (936.0f / (cal.scale - cal.offset)) / 360.0f; + switch (sensitivity) { + case Joycon::GyroSensitivity::DPS250: + return value / 8.0f; + case Joycon::GyroSensitivity::DPS500: + return value / 4.0f; + case Joycon::GyroSensitivity::DPS1000: + return value / 2.0f; + case Joycon::GyroSensitivity::DPS2000: + return value; + } + return value; +} + +s16 JoyconPoller::GetRawIMUValues(std::size_t sensor, size_t axis, + const InputReportActive& input) const { + return input.motion_input[(sensor * 3) + axis]; +} + +MotionData JoyconPoller::GetMotionInput(const InputReportActive& input, + const MotionStatus& motion_status) const { + MotionData motion{}; + const auto& accel_cal = motion_calibration.accelerometer; + const auto& gyro_cal = motion_calibration.gyro; + const s16 raw_accel_x = input.motion_input[1]; + const s16 raw_accel_y = input.motion_input[0]; + const s16 raw_accel_z = input.motion_input[2]; + const s16 raw_gyro_x = input.motion_input[4]; + const s16 raw_gyro_y = input.motion_input[3]; + const s16 raw_gyro_z = input.motion_input[5]; + + motion.delta_timestamp = motion_status.delta_time; + motion.accel_x = + GetAccelerometerValue(raw_accel_x, accel_cal[1], motion_status.accelerometer_sensitivity); + motion.accel_y = + GetAccelerometerValue(raw_accel_y, accel_cal[0], motion_status.accelerometer_sensitivity); + motion.accel_z = + GetAccelerometerValue(raw_accel_z, accel_cal[2], motion_status.accelerometer_sensitivity); + motion.gyro_x = GetGyroValue(raw_gyro_x, gyro_cal[1], motion_status.gyro_sensitivity); + motion.gyro_y = GetGyroValue(raw_gyro_y, gyro_cal[0], motion_status.gyro_sensitivity); + motion.gyro_z = GetGyroValue(raw_gyro_z, gyro_cal[2], motion_status.gyro_sensitivity); + + // TODO(German77): Return all three samples data + return motion; +} + +} // namespace InputCommon::Joycon diff --git a/src/input_common/helpers/joycon_protocol/poller.h b/src/input_common/helpers/joycon_protocol/poller.h new file mode 100644 index 000000000..fff681d0a --- /dev/null +++ b/src/input_common/helpers/joycon_protocol/poller.h @@ -0,0 +1,77 @@ +// 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 <functional> +#include <span> + +#include "input_common/helpers/joycon_protocol/joycon_types.h" + +namespace InputCommon::Joycon { + +// Handles input packages and triggers the corresponding input events +class JoyconPoller { +public: + JoyconPoller(ControllerType device_type_, JoyStickCalibration left_stick_calibration_, + JoyStickCalibration right_stick_calibration_, + MotionCalibration motion_calibration_); + + void SetCallbacks(const Joycon::JoyconCallbacks& callbacks_); + + /// Handles data from passive packages + void ReadPassiveMode(std::span<u8> buffer); + + /// Handles data from active packages + void ReadActiveMode(std::span<u8> buffer, const MotionStatus& motion_status); + + /// Handles data from nfc or ir packages + void ReadNfcIRMode(std::span<u8> buffer, const MotionStatus& motion_status); + + void UpdateColor(const Color& color); + +private: + void UpdateActiveLeftPadInput(const InputReportActive& input, + const MotionStatus& motion_status); + void UpdateActiveRightPadInput(const InputReportActive& input, + const MotionStatus& motion_status); + void UpdateActiveProPadInput(const InputReportActive& input, const MotionStatus& motion_status); + + void UpdatePasiveLeftPadInput(const InputReportPassive& buffer); + void UpdatePasiveRightPadInput(const InputReportPassive& buffer); + void UpdatePasiveProPadInput(const InputReportPassive& buffer); + + /// Returns a calibrated joystick axis from raw axis data + f32 GetAxisValue(u16 raw_value, Joycon::JoyStickAxisCalibration calibration) const; + + /// Returns a calibrated accelerometer axis from raw motion data + f32 GetAccelerometerValue(s16 raw, const MotionSensorCalibration& cal, + AccelerometerSensitivity sensitivity) const; + + /// Returns a calibrated gyro axis from raw motion data + f32 GetGyroValue(s16 raw_value, const MotionSensorCalibration& cal, + GyroSensitivity sensitivity) const; + + /// Returns a raw motion value from a buffer + s16 GetRawIMUValues(size_t sensor, size_t axis, const InputReportActive& input) const; + + /// Returns motion data from a buffer + MotionData GetMotionInput(const InputReportActive& input, + const MotionStatus& motion_status) const; + + ControllerType device_type{}; + + // Device calibration + JoyStickCalibration left_stick_calibration{}; + JoyStickCalibration right_stick_calibration{}; + MotionCalibration motion_calibration{}; + + Joycon::JoyconCallbacks callbacks{}; +}; + +} // namespace InputCommon::Joycon diff --git a/src/input_common/helpers/joycon_protocol/rumble.cpp b/src/input_common/helpers/joycon_protocol/rumble.cpp new file mode 100644 index 000000000..17ee38863 --- /dev/null +++ b/src/input_common/helpers/joycon_protocol/rumble.cpp @@ -0,0 +1,299 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "common/logging/log.h" +#include "input_common/helpers/joycon_protocol/rumble.h" + +namespace InputCommon::Joycon { + +RumbleProtocol::RumbleProtocol(std::shared_ptr<JoyconHandle> handle) + : JoyconCommonProtocol(handle) {} + +DriverResult RumbleProtocol::EnableRumble(bool is_enabled) { + LOG_DEBUG(Input, "Enable Rumble"); + const std::vector<u8> buffer{static_cast<u8>(is_enabled ? 1 : 0)}; + std::vector<u8> output; + SetBlocking(); + const auto result = SendSubCommand(SubCommand::ENABLE_VIBRATION, buffer, output); + SetNonBlocking(); + return result; +} + +DriverResult RumbleProtocol::SendVibration(const VibrationValue& vibration) { + std::vector<u8> buffer(sizeof(DefaultVibrationBuffer)); + + if (vibration.high_amplitude <= 0.0f && vibration.low_amplitude <= 0.0f) { + return SendVibrationReport(DefaultVibrationBuffer); + } + + // Protect joycons from damage from strong vibrations + const f32 clamp_amplitude = + 1.0f / std::max(1.0f, vibration.high_amplitude + vibration.low_amplitude); + + const u16 encoded_high_frequency = EncodeHighFrequency(vibration.high_frequency); + const u8 encoded_high_amplitude = + EncodeHighAmplitude(vibration.high_amplitude * clamp_amplitude); + const u8 encoded_low_frequency = EncodeLowFrequency(vibration.low_frequency); + const u16 encoded_low_amplitude = EncodeLowAmplitude(vibration.low_amplitude * clamp_amplitude); + + buffer[0] = static_cast<u8>(encoded_high_frequency & 0xFF); + buffer[1] = static_cast<u8>(encoded_high_amplitude | ((encoded_high_frequency >> 8) & 0x01)); + buffer[2] = static_cast<u8>(encoded_low_frequency | ((encoded_low_amplitude >> 8) & 0x80)); + buffer[3] = static_cast<u8>(encoded_low_amplitude & 0xFF); + + // Duplicate rumble for now + buffer[4] = buffer[0]; + buffer[5] = buffer[1]; + buffer[6] = buffer[2]; + buffer[7] = buffer[3]; + + return SendVibrationReport(buffer); +} + +u16 RumbleProtocol::EncodeHighFrequency(f32 frequency) const { + const u8 new_frequency = + static_cast<u8>(std::clamp(std::log2(frequency / 10.0f) * 32.0f, 0.0f, 255.0f)); + return static_cast<u16>((new_frequency - 0x60) * 4); +} + +u8 RumbleProtocol::EncodeLowFrequency(f32 frequency) const { + const u8 new_frequency = + static_cast<u8>(std::clamp(std::log2(frequency / 10.0f) * 32.0f, 0.0f, 255.0f)); + return static_cast<u8>(new_frequency - 0x40); +} + +u8 RumbleProtocol::EncodeHighAmplitude(f32 amplitude) const { + /* More information about these values can be found here: + * https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering/blob/master/rumble_data_table.md + */ + constexpr std::array<std::pair<f32, int>, 101> high_fequency_amplitude{ + std::pair<f32, int>{0.0f, 0x0}, + {0.01f, 0x2}, + {0.012f, 0x4}, + {0.014f, 0x6}, + {0.017f, 0x8}, + {0.02f, 0x0a}, + {0.024f, 0x0c}, + {0.028f, 0x0e}, + {0.033f, 0x10}, + {0.04f, 0x12}, + {0.047f, 0x14}, + {0.056f, 0x16}, + {0.067f, 0x18}, + {0.08f, 0x1a}, + {0.095f, 0x1c}, + {0.112f, 0x1e}, + {0.117f, 0x20}, + {0.123f, 0x22}, + {0.128f, 0x24}, + {0.134f, 0x26}, + {0.14f, 0x28}, + {0.146f, 0x2a}, + {0.152f, 0x2c}, + {0.159f, 0x2e}, + {0.166f, 0x30}, + {0.173f, 0x32}, + {0.181f, 0x34}, + {0.189f, 0x36}, + {0.198f, 0x38}, + {0.206f, 0x3a}, + {0.215f, 0x3c}, + {0.225f, 0x3e}, + {0.23f, 0x40}, + {0.235f, 0x42}, + {0.24f, 0x44}, + {0.245f, 0x46}, + {0.251f, 0x48}, + {0.256f, 0x4a}, + {0.262f, 0x4c}, + {0.268f, 0x4e}, + {0.273f, 0x50}, + {0.279f, 0x52}, + {0.286f, 0x54}, + {0.292f, 0x56}, + {0.298f, 0x58}, + {0.305f, 0x5a}, + {0.311f, 0x5c}, + {0.318f, 0x5e}, + {0.325f, 0x60}, + {0.332f, 0x62}, + {0.34f, 0x64}, + {0.347f, 0x66}, + {0.355f, 0x68}, + {0.362f, 0x6a}, + {0.37f, 0x6c}, + {0.378f, 0x6e}, + {0.387f, 0x70}, + {0.395f, 0x72}, + {0.404f, 0x74}, + {0.413f, 0x76}, + {0.422f, 0x78}, + {0.431f, 0x7a}, + {0.44f, 0x7c}, + {0.45f, 0x7e}, + {0.46f, 0x80}, + {0.47f, 0x82}, + {0.48f, 0x84}, + {0.491f, 0x86}, + {0.501f, 0x88}, + {0.512f, 0x8a}, + {0.524f, 0x8c}, + {0.535f, 0x8e}, + {0.547f, 0x90}, + {0.559f, 0x92}, + {0.571f, 0x94}, + {0.584f, 0x96}, + {0.596f, 0x98}, + {0.609f, 0x9a}, + {0.623f, 0x9c}, + {0.636f, 0x9e}, + {0.65f, 0xa0}, + {0.665f, 0xa2}, + {0.679f, 0xa4}, + {0.694f, 0xa6}, + {0.709f, 0xa8}, + {0.725f, 0xaa}, + {0.741f, 0xac}, + {0.757f, 0xae}, + {0.773f, 0xb0}, + {0.79f, 0xb2}, + {0.808f, 0xb4}, + {0.825f, 0xb6}, + {0.843f, 0xb8}, + {0.862f, 0xba}, + {0.881f, 0xbc}, + {0.9f, 0xbe}, + {0.92f, 0xc0}, + {0.94f, 0xc2}, + {0.96f, 0xc4}, + {0.981f, 0xc6}, + {1.003f, 0xc8}, + }; + + for (const auto& [amplitude_value, code] : high_fequency_amplitude) { + if (amplitude <= amplitude_value) { + return static_cast<u8>(code); + } + } + + return static_cast<u8>(high_fequency_amplitude[high_fequency_amplitude.size() - 1].second); +} + +u16 RumbleProtocol::EncodeLowAmplitude(f32 amplitude) const { + /* More information about these values can be found here: + * https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering/blob/master/rumble_data_table.md + */ + constexpr std::array<std::pair<f32, int>, 101> high_fequency_amplitude{ + std::pair<f32, int>{0.0f, 0x0040}, + {0.01f, 0x8040}, + {0.012f, 0x0041}, + {0.014f, 0x8041}, + {0.017f, 0x0042}, + {0.02f, 0x8042}, + {0.024f, 0x0043}, + {0.028f, 0x8043}, + {0.033f, 0x0044}, + {0.04f, 0x8044}, + {0.047f, 0x0045}, + {0.056f, 0x8045}, + {0.067f, 0x0046}, + {0.08f, 0x8046}, + {0.095f, 0x0047}, + {0.112f, 0x8047}, + {0.117f, 0x0048}, + {0.123f, 0x8048}, + {0.128f, 0x0049}, + {0.134f, 0x8049}, + {0.14f, 0x004a}, + {0.146f, 0x804a}, + {0.152f, 0x004b}, + {0.159f, 0x804b}, + {0.166f, 0x004c}, + {0.173f, 0x804c}, + {0.181f, 0x004d}, + {0.189f, 0x804d}, + {0.198f, 0x004e}, + {0.206f, 0x804e}, + {0.215f, 0x004f}, + {0.225f, 0x804f}, + {0.23f, 0x0050}, + {0.235f, 0x8050}, + {0.24f, 0x0051}, + {0.245f, 0x8051}, + {0.251f, 0x0052}, + {0.256f, 0x8052}, + {0.262f, 0x0053}, + {0.268f, 0x8053}, + {0.273f, 0x0054}, + {0.279f, 0x8054}, + {0.286f, 0x0055}, + {0.292f, 0x8055}, + {0.298f, 0x0056}, + {0.305f, 0x8056}, + {0.311f, 0x0057}, + {0.318f, 0x8057}, + {0.325f, 0x0058}, + {0.332f, 0x8058}, + {0.34f, 0x0059}, + {0.347f, 0x8059}, + {0.355f, 0x005a}, + {0.362f, 0x805a}, + {0.37f, 0x005b}, + {0.378f, 0x805b}, + {0.387f, 0x005c}, + {0.395f, 0x805c}, + {0.404f, 0x005d}, + {0.413f, 0x805d}, + {0.422f, 0x005e}, + {0.431f, 0x805e}, + {0.44f, 0x005f}, + {0.45f, 0x805f}, + {0.46f, 0x0060}, + {0.47f, 0x8060}, + {0.48f, 0x0061}, + {0.491f, 0x8061}, + {0.501f, 0x0062}, + {0.512f, 0x8062}, + {0.524f, 0x0063}, + {0.535f, 0x8063}, + {0.547f, 0x0064}, + {0.559f, 0x8064}, + {0.571f, 0x0065}, + {0.584f, 0x8065}, + {0.596f, 0x0066}, + {0.609f, 0x8066}, + {0.623f, 0x0067}, + {0.636f, 0x8067}, + {0.65f, 0x0068}, + {0.665f, 0x8068}, + {0.679f, 0x0069}, + {0.694f, 0x8069}, + {0.709f, 0x006a}, + {0.725f, 0x806a}, + {0.741f, 0x006b}, + {0.757f, 0x806b}, + {0.773f, 0x006c}, + {0.79f, 0x806c}, + {0.808f, 0x006d}, + {0.825f, 0x806d}, + {0.843f, 0x006e}, + {0.862f, 0x806e}, + {0.881f, 0x006f}, + {0.9f, 0x806f}, + {0.92f, 0x0070}, + {0.94f, 0x8070}, + {0.96f, 0x0071}, + {0.981f, 0x8071}, + {1.003f, 0x0072}, + }; + + for (const auto& [amplitude_value, code] : high_fequency_amplitude) { + if (amplitude <= amplitude_value) { + return static_cast<u16>(code); + } + } + + return static_cast<u16>(high_fequency_amplitude[high_fequency_amplitude.size() - 1].second); +} + +} // namespace InputCommon::Joycon diff --git a/src/input_common/helpers/joycon_protocol/rumble.h b/src/input_common/helpers/joycon_protocol/rumble.h new file mode 100644 index 000000000..7d0329f03 --- /dev/null +++ b/src/input_common/helpers/joycon_protocol/rumble.h @@ -0,0 +1,33 @@ +// 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" +#include "input_common/helpers/joycon_protocol/joycon_types.h" + +namespace InputCommon::Joycon { + +class RumbleProtocol final : private JoyconCommonProtocol { +public: + RumbleProtocol(std::shared_ptr<JoyconHandle> handle); + + DriverResult EnableRumble(bool is_enabled); + + DriverResult SendVibration(const VibrationValue& vibration); + +private: + u16 EncodeHighFrequency(f32 frequency) const; + u8 EncodeLowFrequency(f32 frequency) const; + u8 EncodeHighAmplitude(f32 amplitude) const; + u16 EncodeLowAmplitude(f32 amplitude) const; +}; + +} // namespace InputCommon::Joycon |