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| author | Kevin O'Connor <kevin@koconnor.net> | 2018-12-01 22:09:06 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2018-12-01 22:09:06 -0500 |
| commit | aac92ffb916ccf74a9c6692ded671f4f25312b7e (patch) | |
| tree | 80fc608614a3a5c6b65990c7658b889f057e8187 /klippy/extras/bltouch.py | |
| parent | 6df7356baa9d7b5abab749793bb2afdf4315bb31 (diff) | |
| download | kutter-aac92ffb916ccf74a9c6692ded671f4f25312b7e.tar.gz kutter-aac92ffb916ccf74a9c6692ded671f4f25312b7e.tar.xz kutter-aac92ffb916ccf74a9c6692ded671f4f25312b7e.zip | |
bltouch: Fix bug - must restore stepper position after homing
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'klippy/extras/bltouch.py')
| -rw-r--r-- | klippy/extras/bltouch.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/klippy/extras/bltouch.py b/klippy/extras/bltouch.py index c3ce14db..0cf07d79 100644 --- a/klippy/extras/bltouch.py +++ b/klippy/extras/bltouch.py @@ -57,16 +57,23 @@ class BLTouchEndstopWrapper: if print_time < self.next_test_time: self.next_test_time = print_time + TEST_TIME return + # Raise the bltouch probe and test if probe is raised self.send_cmd(print_time, CMD_RESET) home_time = print_time + PIN_MOVE_TIME self.send_cmd(home_time, CMD_TOUCH_MODE) self.send_cmd(home_time + MIN_CMD_TIME, 0.) + # Perform endstop check to verify bltouch reports probe raised + prev_positions = [s.get_commanded_position() + for s in self.mcu_endstop.get_steppers()] self.mcu_endstop.home_start( home_time, ENDSTOP_SAMPLE_TIME, ENDSTOP_SAMPLE_COUNT, .001) try: self.mcu_endstop.home_wait(home_time + MIN_CMD_TIME) except self.mcu_endstop.TimeoutError as e: raise homing.EndstopError("BLTouch sensor test failed") + for s, pos in zip(self.mcu_endstop.get_steppers(), prev_positions): + s.set_commanded_position(pos) + # Test was successful self.next_test_time = home_time + TEST_TIME toolhead.reset_print_time(home_time + 2. * MIN_CMD_TIME) def home_prepare(self): |