On Sun, May 03, 2009 at 05:05:07PM -0400, Bill Allen wrote: > OK, I know this is a 3rd level niche question, but if anybody has a clue it > would be helpful. > > I can bind the expression pedal to any of the sliders in jack-rack. For > example, I bind one of the expression pedals which is set to send midi CC 27 > events to the Cutoff Frequency slider of the Glame Butterworth X-over Filter > and I've got a wah-wah pedal. > > This is great, but the other thing that I want to be able to do is bind some > of the footswitches to the Enable button for this and other jack-rack > filters. This would be very useful in a live situation to be able to punch > filters out and into the chain. It sounds like it ought to be easy, but I've > been knocking my head over it. I have set two footswitches to send CC-26 1 > and CC-26 0 respectively. Then in jack-rack I bind the Enable button to MIDI > Controller 26 Min Value 0, Max Value 1. The good news is that when I hit the > CC 26 0 switch, if the enable switch for the filter is active, it goes off. > Half the battle won. But, I can't get the filter enable to go on with > anything I've tried. Using PD I've verified that the pedal is sending the CC > 26 1, but still no joy. > > Any clues or helpful hints? > You also need a recent version of jack-rack. Binding to Enable/Disable didn't work for me, so I had to upgrade to 1.4.7-0ubuntu1 and all worked well from there. Also, "off" is value < 64, and "on" is value > 64, so you need to set your controller to do that. -ken _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
