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Merge pull request #794 from MissionSt/g29_requires_home

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Prevent G29 without first homing in X and Y
This commit is contained in:
alexborro 2014-02-19 10:14:34 -03:00
commit 73f0ee9345
1 changed files with 10 additions and 1 deletions
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11
Marlin/Marlin_main.cpp
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@ -76,7 +76,7 @@
// G10 - retract filament according to settings of M207
// G11 - retract recover filament according to settings of M208
// G28 - Home all Axis
// G29 - Detailed Z-Probe, probes the bed at 3 points. You must de at the home position for this to work correctly.
// G29 - Detailed Z-Probe, probes the bed at 3 or more points. Will fail if you haven't homed yet.
// G30 - Single Z Probe, probes bed at current XY location.
// G90 - Use Absolute Coordinates
// G91 - Use Relative Coordinates
@ -1409,6 +1409,15 @@ void process_commands()
#error "You must have a Z_MIN endstop in order to enable Auto Bed Leveling feature!!! Z_MIN_PIN must point to a valid hardware pin."
#endif
// Prevent user from running a G29 without first homing in X and Y
if (! (axis_known_position[X_AXIS] && axis_known_position[Y_AXIS]) )
{
LCD_MESSAGEPGM(MSG_POSITION_UNKNOWN);
SERIAL_ECHO_START;
SERIAL_ECHOLNPGM(MSG_POSITION_UNKNOWN);
break; // abort G29, since we don't know where we are
}
st_synchronize();
// make sure the bed_level_rotation_matrix is identity or the planner will get it incorectly
//vector_3 corrected_position = plan_get_position_mm();