run osculator. run ME. in ME go to Window>Midi and Select Midi Outputs. Make sure Osculator is checked. Do the same for Midi Inputs. Now Osculator can send/receive midi to/from MixEmergency. The next step is add the iPad to Osculator. Run TouchOSC on your iPad and choose your Mac. It should automatically connect. In the layout move a control (fader, button or knob, etc) and you should see data in Osculator. For each control choose event type, value and channel. do this for all buttons in your layout. Next midi map in ME as you would if it was a hardware midi controller. if you want TouchOSC to reflect ME you'll need to make sure output is selected when you map an ME button. by default ME uses the same channel as the input. this is what you want.