System.USB.Enumeration
data Device
getDevices
data HotplugEvent
deviceArrived
deviceLeft
matchDeviceArrived
matchDeviceLeft
data HotplugFlag
enumerate
type HotplugCallback
data CallbackRegistrationStatus
data HotplugCallbackHandle
registerHotplugCallback
deregisterHotplugCallback
busNumber
portNumber
portNumbers
deviceAddress
deviceSpeed
data Speed