Installing WinUSB on Windows¶

Warning

After replacing an original FTDI driver by WinUSB, you cannot use MetaWare Debugger or Digilent Adept utilities with ARC devices.

Replacing FTDI Driver¶

Before you can start using OpenOCD on Windows, you have to download WinUSB driver and replace with it one of FTDI drivers for your hardware development system. To do that, download Zadig and run it. You should be able to see Digilent Adept USB Device in the list of devices.

Zadig devices list

If your device is not shown by Zadig, then click on List all devices in Options.

For EM Starter Kit and EM SDP select Digilent Adept USB Device (Interface 0), choose WinUSB driver and press Replace Driver. Your FTDI driver will be replaced with WinUSB.

Zadig with selected device

For HS Development Kit, IoT Development Kit and AXS10x SDP, the only thing that differs is that you should select Digilent Adept USB Device (Interface 1).

Note that antivirus might complain about drivers files created by Zadig.

Restoring an Original Driver¶

If you want to change driver for your device back for some reason, you can uninstall current driver in “Devices and Printers” and then reconnect your board to the computer, Windows will install the default driver automatically.