control_transfer_async

Description:

[ Version ( since = "0.1.0" ) ]
public async ssize_t control_transfer_async (DeviceDirection direction, DeviceRequestType request_type, DeviceRecipient recipient, uint8 request, uint16 value, uint16 idx, uint8[] data, uint timeout, Cancellable? cancellable) throws Error

Do an async control transfer

this	a Device
data	a suitably-sized data buffer for either input or output
timeout	timeout timeout (in milliseconds) that this function should wait before giving up due to no response being received. For an unlimited timeout, use 0.
cancellable	a Cancellable, or null
callback	the function to run on completion
length	the length field for the setup packet.
user_data	the data to pass to `callback`