Class DualSenseOutputWriter

Drives vibration, the LED AND both adaptive triggers on a DualSense in a SINGLE HID output report, over USB.

Stock Unity exposes no adaptive-trigger output, and its built-in DualSense vibration/LED reports do not address the trigger region — so any built-in vibration or color update CLOBBERS an active trigger effect (verified on hardware). The DualSense output report is monolithic (one report carries vibration + LED + both triggers), so the only clobber-free option is to own the whole report ourselves. This writer keeps per-device state as the single source of truth and re-emits the full report on every change, exactly like DualShock4OutputWriter does for the DS4.

Two report formats are emitted: the USB report (id 0x02, 48-byte payload) and the Bluetooth report (id 0x31, 78 bytes, CRC32-suffixed). On Linux both buses are driven through a raw hidraw handle (Unity's Linux backend routes no HID output). On Windows USB uses Unity's ExecuteCommand, while Bluetooth — which Unity's built-in DualSense output does not support — is driven through a raw HID handle that pads the 0x31 report to the OS output-report length (validated on hardware). macOS drives USB only. Methods return false for non-DualSense pads and on unsupported platforms.

Inheritance

object

DualSenseOutputWriter

Implements

IGamepadOutputBackend

Inherited Members

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

Namespace: Serenity.Feedback.Infrastructure.Services

Assembly: Serenity.UnityFeedback.Infrastructure.dll

Syntax

public class DualSenseOutputWriter : IGamepadOutputBackend

Constructors

DualSenseOutputWriter()

Declaration

public DualSenseOutputWriter()

Methods

TryResetTrigger(Gamepad, AdaptiveTriggerSide)

If pad is a USB DualSense, clears the adaptive-trigger effect on the given side (mode 0x00) while preserving vibration, LED, and the other trigger. Returns true when handled.

Declaration

public bool TryResetTrigger(Gamepad pad, AdaptiveTriggerSide side)

Parameters

Type	Name	Description
Gamepad	pad
AdaptiveTriggerSide	side

Returns

Type	Description
bool

TrySetLed(Gamepad, Color)

If pad is a USB DualSense, updates its LED color (preserving vibration and triggers) and sends the combined report. Returns true when handled.

Declaration

public bool TrySetLed(Gamepad pad, Color color)

Parameters

Type	Name	Description
Gamepad	pad
Color	color

Returns

Type	Description
bool

TrySetTrigger(Gamepad, AdaptiveTriggerSide, byte, byte, byte, byte)

If pad is a USB DualSense, applies an adaptive-trigger effect to the given side (preserving vibration, LED, and the other trigger) and sends the combined report. Returns true when handled.

Declaration

public bool TrySetTrigger(Gamepad pad, AdaptiveTriggerSide side, byte mode, byte p0, byte p1, byte p2)

Parameters

Type	Name	Description
Gamepad	pad	Target gamepad.
AdaptiveTriggerSide	side	Which trigger(s) to drive.
byte	mode	DualSense effect mode byte (0x00 off, 0x01 resistance, 0x02 weapon, 0x06 vibration).
byte	p0	Effect parameter 0 (e.g. start position).
byte	p1	Effect parameter 1 (e.g. end position / amplitude).
byte	p2	Effect parameter 2 (e.g. force / frequency).

Returns

Type	Description
bool

TrySetVibration(Gamepad, float, float)

If pad is a USB DualSense, updates its motor speeds (preserving LED and triggers) and sends the combined report. Returns true when handled.

Declaration

public bool TrySetVibration(Gamepad pad, float low, float high)

Parameters

Type	Name	Description
Gamepad	pad
float	low
float	high

Returns

Type	Description
bool

Implements

IGamepadOutputBackend