Reveres engineering Alienware keyboard

USBPCAP
Starting USBPCap with following command as per instructions from here ;

USBPcapCMD.exe -d \\.\USBPcap1 -o - | "C:\Program Files\Wireshark\Wireshark.exe" -k -i -
Selected capture options result in empty capture.

Browsing the source we can see that this is caused when all these conditions are true
https://github.com/desowin/usbpcap/blob/master/USBPcapCMD/cmd.c

  /* Sanity check capture configuration. */
    if ((data->capture_all == FALSE) &&
        (data->capture_new == FALSE) &&
        (data->address_list == NULL))
    {
        fprintf(stderr, "Selected capture options result in empty capture.\n");
        return;
    }