Chamber Temperature Support

[courtross2010]

I'll give a quick explanation of what I mean. I use a Voron V2.4. Before I print ABS, I wait for the Chamber Temp to reach 40c which is heated up using the build plate and the bed fans modification. I have a separate thermister for the chamber temp. The macros already have a CHAMBER feature but that is setting an active heater from what I can see.

I got this to work on my printer by adding the "TEMPERATURE_WAIT SENSOR="temperature_sensor chamber_temp" MINIMUM={CHAMBER}" macro to the print_end.cfg file instead of the "M191 S{CHAMBER}" config. So with these changes the "_PRINT_START_PHASE_PREHEAT" now waits for the chamber to warm up to the specified temp.

I just hacked the changes into my files. I think somebody else could do a more "graceful" implementation of this. I use the "Idle temperature" field in PrusaSlicer to fill in the temp I need. Superslicer has a field for the chamber temp.