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output_pin: Don't flush lookahead queue on a SET_PIN command 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2020-11-13 12:41:31 -05:00
parent afbed5d4c7
commit 90d755dc0a
1 changed files with 20 additions and 18 deletions
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32
klippy/extras/output_pin.py
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@ -1,6 +1,6 @@
# Code to configure miscellaneous chips
#
# Copyright (C) 2017,2018 Kevin O'Connor <kevin@koconnor.net>
# Copyright (C) 2017-2020 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
@ -21,6 +21,7 @@ class PrinterOutputPin:
else:
self.mcu_pin = ppins.setup_pin('digital_out', config.get('pin'))
self.scale = 1.
self.last_cycle_time = self.default_cycle_time = 0.
self.mcu_pin.setup_max_duration(0.)
self.last_print_time = 0.
static_value = config.getfloat('static_value', None,
@ -42,27 +43,28 @@ class PrinterOutputPin:
desc=self.cmd_SET_PIN_help)
def get_status(self, eventtime):
return {'value': self.last_value}
def _set_pin(self, print_time, value, cycle_time):
if value == self.last_value and cycle_time == self.last_cycle_time:
return
print_time = max(print_time, self.last_print_time + PIN_MIN_TIME)
if self.is_pwm:
self.mcu_pin.set_pwm(print_time, value, cycle_time)
else:
self.mcu_pin.set_digital(print_time, value)
self.last_value = value
self.last_cycle_time = cycle_time
self.last_print_time = print_time
cmd_SET_PIN_help = "Set the value of an output pin"
def cmd_SET_PIN(self, gcmd):
value = gcmd.get_float('VALUE', minval=0., maxval=self.scale)
value /= self.scale
print_time = self.printer.lookup_object('toolhead').get_last_move_time()
print_time = max(print_time, self.last_print_time + PIN_MIN_TIME)
if self.is_pwm:
cycle_time = gcmd.get_float('CYCLE_TIME', self.default_cycle_time,
above=0.)
if value == self.last_value and cycle_time == self.last_cycle_time:
return
self.mcu_pin.set_pwm(print_time, value, cycle_time)
self.last_cycle_time = cycle_time
else:
if value == self.last_value:
return
if value not in [0., 1.]:
if not self.is_pwm and value not in [0., 1.]:
raise gcmd.error("Invalid pin value")
self.mcu_pin.set_digital(print_time, value)
self.last_value = value
self.last_print_time = print_time
toolhead = self.printer.lookup_object('toolhead')
toolhead.register_lookahead_callback(
lambda print_time: self._set_pin(print_time, value, cycle_time))
def load_config_prefix(config):
return PrinterOutputPin(config)