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homing: Always start endstop checking before the nominal move start 

Make sure the endstop checking is started prior to any movement.  This
helps ensure the verify_movement check is accurate.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-01-10 12:17:57 -05:00
parent a27838bc05
commit 0119e42d13
1 changed files with 2 additions and 0 deletions
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2
klippy/homing.py
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@ -6,6 +6,7 @@
import logging, math
HOMING_STEP_DELAY = 0.00000025
HOMING_START_DELAY = 0.001
ENDSTOP_SAMPLE_TIME = .000015
ENDSTOP_SAMPLE_COUNT = 4
@ -55,6 +56,7 @@ class Homing:
mcu_endstop.home_start(
print_time, ENDSTOP_SAMPLE_TIME, ENDSTOP_SAMPLE_COUNT,
min_step_dist / speed)
self.toolhead.dwell(HOMING_START_DELAY, check_stall=False)
# Issue move
error = None
try: