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Prevent G29 without first homing in X and Y

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If position is unknown, then G29 can be dangerous.
This commit is contained in:
Gabe Rosenhouse 2014-02-19 00:51:43 -08:00
parent abba7a0003
commit 357e31270a
1 changed files with 9 additions and 0 deletions
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9
Marlin/Marlin_main.cpp
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@ -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();