diff options
| -rw-r--r-- | config/example-extras.cfg | 8 | ||||
| -rw-r--r-- | klippy/extras/bltouch.py | 6 |
2 files changed, 12 insertions, 2 deletions
diff --git a/config/example-extras.cfg b/config/example-extras.cfg index 27219b3f..6448f16a 100644 --- a/config/example-extras.cfg +++ b/config/example-extras.cfg @@ -54,9 +54,15 @@ #control_pin: # Pin connected to the BLTouch control pin. This parameter must be # provided. -#pin_move_time: +#pin_move_time: 0.200 # The amount of time (in seconds) that it takes the BLTouch pin to # move up or down. The default is 0.200 seconds. +#test_sensor_pin: True +# This enables a software test of the BLTouch sensor pin during the +# first probe attempt. The test can help catch cases where the +# BLTouch is not responding correctly. It may be necessary to +# disable this test for some BLTouch "clones" if they consistently +# report "BLTouch sensor test failed" errors. The default is True. #x_offset: #y_offset: #z_offset: diff --git a/klippy/extras/bltouch.py b/klippy/extras/bltouch.py index 9da9646d..58a78ca4 100644 --- a/klippy/extras/bltouch.py +++ b/klippy/extras/bltouch.py @@ -23,7 +23,6 @@ Commands = { class BLTouchEndstopWrapper: def __init__(self, config): self.printer = config.get_printer() - self.next_test_time = 0. self.position_endstop = config.getfloat('z_offset') # Create a pwm object to handle the control pin ppins = self.printer.lookup_object('pins') @@ -36,6 +35,9 @@ class BLTouchEndstopWrapper: mcu = pin_params['chip'] mcu.register_config_callback(self._build_config) self.mcu_endstop = mcu.setup_pin('endstop', pin_params) + # Setup for sensor test + self.next_test_time = 0. + self.test_sensor_pin = config.getboolean('test_sensor_pin', True) # Calculate pin move time pmt = max(config.getfloat('pin_move_time', 0.200), MIN_CMD_TIME) self.pin_move_time = math.ceil(pmt / SIGNAL_PERIOD) * SIGNAL_PERIOD @@ -58,6 +60,8 @@ class BLTouchEndstopWrapper: def send_cmd(self, print_time, cmd): self.mcu_pwm.set_pwm(print_time, Commands[cmd] / SIGNAL_PERIOD) def test_sensor(self): + if not self.test_sensor_pin: + return toolhead = self.printer.lookup_object('toolhead') print_time = toolhead.get_last_move_time() if print_time < self.next_test_time: |