MCC - LabVIEW iPort/AI Driver Library for 202 / 203 / 204 iPort Adaptors The 'LabVIEW iPort/AI Driver Library' is designed to assist LabVIEW developers in integrating I2C Bus capabilities into test and control applications. It includes a set of LabVIEW VIs and examples for configuring and controlling the MCC range of ASCII interface I2C Bus host adapters as a bus master or slave device.