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EXTENTIONS.md

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GRBL for Chinese CNC3040-like machines. WIP.

Extensions to the original Grbl

Command Extentions:

  • $H<axis> : When auto home is not enabled, this command can reset the current axis position to 0. Similar to pressing Home on this axis in LinuxCNC. For example, to reset X axis position: $HX

Report Extentions:

  • '|Hs:<val>' : This reports the current bitmask home state of each axis. When the axis is homed, the coresponding bit will be 1. For example Hs:5 means Axis X and Z were homed.
  • '|GC:<.../>' : Usually returned by the $G command. But now, whenever there is a gcode parser change, this report will be sent automatically