Adds G29 commands to register bed level points. When three points
are registered, the plane of the bed is calculated and dynamic bed
leveling takes effect.
Add a warning if bed-leveling is enabled when MAX_JERK_Z is zero.
In this case lookahead will always fail when bed-leveling is active
since the Z-axis is not allowed to move during lookahead.
Adjustments by Traumflug:
- Rebased to current 'experimental'.
- Some whitespace adjustments.
- Renamed labelWidth_homing to labelWidthHoming.
- Fixed an issue in printer.py which would write only the first
character of an option ('x' instead of 'x_positive', 'n'
instead of 'none', etc.)
Thank you very much for the code, Matt!
PCBScriber is a printer for the scratch 'n etch method, see
http://reprap.org/wiki/PCBScriber
Commit reviewer Traumflug's note:
- Rebased to current branch 'experimental', which adds
USE_INTERNAL_PULLDOWNS.
- Removed DEFINE_HOMING for now, this part isn't cooked, yet.
For example, it doesn't pass regression tests.
- Thank you very much for the contribution!
Phil Hord
Matt Gilbert