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XY homing repeatibility - move by 160um from margin.

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This commit is contained in:
Robert Pelnar 2017-09-21 04:55:30 +02:00
parent 4cae00741e
commit 9b901bd3f5
1 changed files with 15 additions and 7 deletions
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22
Firmware/Marlin_main.cpp
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@ -1467,18 +1467,18 @@ void homeaxis(int axis)
plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]); plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
destination[axis] = 1.5 * max_length(axis) * axis_home_dir; destination[axis] = 1.5 * max_length(axis) * axis_home_dir;
feedrate = homing_feedrate[axis]; feedrate = homing_feedrate[axis];
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
#ifdef TMC2130 #ifdef TMC2130
tmc2130_home_restart(axis); tmc2130_home_restart(axis);
#endif #endif
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
st_synchronize(); st_synchronize();
current_position[axis] = 0; current_position[axis] = 0;
plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]); plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
destination[axis] = -home_retract_mm(axis) * axis_home_dir; destination[axis] = -home_retract_mm(axis) * axis_home_dir;
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
#ifdef TMC2130 #ifdef TMC2130
tmc2130_home_restart(axis); tmc2130_home_restart(axis);
#endif #endif
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
st_synchronize(); st_synchronize();
destination[axis] = 2*home_retract_mm(axis) * axis_home_dir; destination[axis] = 2*home_retract_mm(axis) * axis_home_dir;
#ifdef TMC2130 #ifdef TMC2130
@ -1486,15 +1486,23 @@ void homeaxis(int axis)
#else #else
feedrate = homing_feedrate[axis] / 2; feedrate = homing_feedrate[axis] / 2;
#endif #endif
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
#ifdef TMC2130 #ifdef TMC2130
tmc2130_home_restart(axis); tmc2130_home_restart(axis);
#endif #endif
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
st_synchronize(); st_synchronize();
axis_is_at_home(axis);
destination[axis] = current_position[axis]; current_position[axis] = 0;
feedrate = 0.0; plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
endstops_hit_on_purpose(); destination[axis] = -0.16 * axis_home_dir;
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
st_synchronize();
axis_is_at_home(axis);
destination[axis] = current_position[axis];
feedrate = 0.0;
endstops_hit_on_purpose();
axis_known_position[axis] = true; axis_known_position[axis] = true;
#ifdef TMC2130 #ifdef TMC2130
tmc2130_home_exit(); tmc2130_home_exit();