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# IOUSBHostCIControllerStateMachine

```
class IOUSBHostCIControllerStateMachine
```

## Topics

### Instance Properties

[`controllerInterface`](/documentation/IOUSBHost/IOUSBHostCIControllerStateMachine/controllerInterface)

[`controllerState`](/documentation/IOUSBHost/IOUSBHostCIControllerStateMachine/controllerState)

### Instance Methods

[`enqueueUpdatedFrame(_:timestamp:)`](/documentation/IOUSBHost/IOUSBHostCIControllerStateMachine/enqueueUpdatedFrame(_:timestamp:))

[`inspectCommand(_:)`](/documentation/IOUSBHost/IOUSBHostCIControllerStateMachine/inspectCommand(_:))

[`respond(toCommand:status:)`](/documentation/IOUSBHost/IOUSBHostCIControllerStateMachine/respond(toCommand:status:))

[`respond(toCommand:status:frame:timestamp:)`](/documentation/IOUSBHost/IOUSBHostCIControllerStateMachine/respond(toCommand:status:frame:timestamp:))

[`initWithInterface:error:`](/documentation/IOUSBHost/IOUSBHostCIControllerStateMachine/initWithInterface:error:)


---

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