Making this work is not a simple configuration change but requires that you create new program code in Marlin. Are you willing to do that?
People are willing to help you but I doubt someone is going to do all the work for you.
Create a new fork of the UM2Marlin repository on GitHub, make your changes and then we can help by reviewing and giving suggestions.
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Rm7 1
I need this badly too, any solutions?
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