isochronousTransferOut() method of the
USBDevice interface returns a
promise that resolves with a
USBIsochronousOutTransferResult when time sensitive information has been transmitted from the USB device.
var promise = USBDevice.isochronousTransferOut(endpointNumber, data, packetLengths)
- The number of a device-specific endpoint (buffer).
- A variable to hold the data returned by the transfer.
- An array of lengths for the packets being transfered.
The definition of 'isochronousTransferOut()' in that specification.