I made an update to my bitwig mx49/61 controller script. I finally worked out how the cubase plugin controlls the text that is displayed on the lcd by tracing through huge piles of captured systex messages using a hex editor.
The new version can be Downloaded on my github page
to install it unzip the files to the "Bitwig Studio/Controller Script"-Folder
Now the script displays the name of the current device when you switch it.
Then the labels of the macro knobs are shown in the display. If a macro is unassigned the knob is shown as "disabled" on the display
as in the previous version I have
mapped the 4 knobs to macro 1-4 on page 1
to macro 5-8 on page 2
and to volume, pan, send1 and send2 of the selected channel on page 3
"AddInst Track" creates a new Instrument Track
and "VSTi Window" opens the device browser.
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