Select the USB-Serial Controller device and use the ‘-’ button to remove the connectionĪfter restarting the computer, please install the Prolific Serial driver by extracting the zip file and running the PKG file in the driver zip.
To remove the ports from the system, go to System Preferences and select Network.
Sudo rm -rf /Library/Extensions/ProlificUSBSerial.kext We use Coolterm as the preferred way to test the board without introducing variables from advanced UIs and host controllers such as ChiliPeppr, which is a better way to actually run jobs once you have the system set up.
Open a terminal ( Applications > Utilities > Terminal ) and run the following commands: Coolterm is a terminal emulator that provides command line access to TinyG and can also stream files to TinyG.
Disconnect the USB serial adapters from the computer.
The full removal instructions are included in the zip file in the “Installation Guide” PDF document at the very end.
Download the latest driver from here ( ).
To reinstall the driver, please perform the following: We can attempt to fully reinstall the Prolific Driver to attempt to rule out a faulty driver however we have not seen this issue before and may be the result of the software in use as well as the hardware. Thank you for the additional details, it sounds like MacOS is not correctly unloading the hardware resources when the second connection is closed.