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Add dummy G21 to prevent UNKOWN warnings in serial 

And as Prusa firmware operates ONLY in milimeters it kind of does what G21 is supposed to do.
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3d-gussner 2020-04-18 16:39:04 +02:00
parent 60466c0993
commit 1bac0c1765
1 changed files with 8 additions and 0 deletions
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8
Firmware/Marlin_main.cpp
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@ -4276,6 +4276,14 @@ if(eSoundMode!=e_SOUND_MODE_SILENT)
#endif //FWRETRACT
/*!
### G21 - Sets Units to Millimters <a href="https://reprap.org/wiki/G-code#G21:_Set_Units_to_Millimeters">G21: Set Units to Millimeters</a>
Units are in millimeters. Prusa doesn't support inches.
*/
case 21:
break; //Doing nothing. This is just to prevent serial UNKOWN warnings.
/*!
### G28 - Home all Axes one at a time <a href="https://reprap.org/wiki/G-code#G28:_Move_to_Origin_.28Home.29">G28: Move to Origin (Home)</a>
Using `G28` without any parameters will perfom homing of all axes AND mesh bed leveling, while `G28 W` will just home all axes (no mesh bed leveling).