I am using marlin firmware on an arduino based controll board for a Hictop Prusa I3. After the second use of this machine the extruder heater 0 port is always outputting 12V. This problem isnt a software issue as even with no firmware installed this port is always hot. However at the moment i would like to know if there is a way to easily use extruder heater port 1 as my primary extruder heater so i can finish off a few ports before replacing this board. I do know a decent ammound of c and C++ so if someone could point me to where the actual input output port is declared i could probably switch them and reflash.
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