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bltouch: Add a config option to disable the bltouch sensor test

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It appears some bltouch "clones" do not report the probe as triggered
when put in "touch mode" while the pin is raised.  Add a config option
to allow users to disable the test.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2018-12-13 16:58:34 -05:00
parent ce064e6e2d
commit ccc25a03d5
2 changed files with 12 additions and 2 deletions
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6
klippy/extras/bltouch.py
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@@ -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: