I know the GT midi specification inside out, but that data collection seems meaningless to me, it has not collected any midi data, only high level USB connection handshake data.
Yes, snhirsch suggested I try to sniff the USB as it initialized its connection with the GT-001 to see if something was being sent to enable external clock. I will admit that I don't know much about deciphering USB transactions though.
An easier way would be
midi clock sender software > computer USB > MIDX-20 USB1 > MIDX-20 USB2 > USB-Midi Device adapter 1 midi out > USB-Midi Device adapter 2 midi in > USB-Midi Device adapter 2 USB > computer USB > midi monitoring software.
If you send midi clock, the monitoring software should see it.
I didn't think the MIDX-20 could be connected directly to a computer via its USB ports as they are acting as host ports. Maybe Robert can confirm this. I have connected as shown below and have been able to verify that MIDI clock is successfully passing through the MIDX-20. It works perfectly with either of the MIDX-20's USB ports. MIDIOX (sending MIDI clock) > Computer USB > Tascam US-122 OUT (5pin) > MIDX-20 IN (5pin) > MIDX-20 USB1 > Roland UM-ONE OUT (5pin) >Tascam US-122 IN > MIDIOX Monitor
Have you had any success getting a GT-001 to respond to external MIDI clock without being directly connected to a computer via USB? If so, please share. I'm really hoping to use the GT-001 on my pedalboard, but I need it to be able to sync incoming clock.
Does your GT-001 have the latest firmware installed?
Yes, am at Ver.1.10