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Code Issues Projects Releases Packages Wiki Activity Actions 2

output_pin: Support setting max_duration (#3995)

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Also added documentation for using powered tools.

Signed-off-by: Pascal Pieper <accounts@pascalpieper.de>
This commit is contained in:
Pascal P 2021-03-26 16:25:09 +01:00 • committed by GitHub
parent e2a3217289
commit 88f6061cd7
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4 changed files with 109 additions and 5 deletions
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38
klippy/extras/output_pin.py
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@ -22,20 +22,28 @@ class PrinterOutputPin:
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,
minval=0., maxval=self.scale)
self.reactor = self.printer.get_reactor()
self.resend_timer = None
self.resend_interval = 0
if static_value is not None:
self.mcu_pin.setup_max_duration(0.)
self.last_value = static_value / self.scale
self.mcu_pin.setup_start_value(
self.last_value, self.last_value, True)
else:
self.max_mcu_duration = config.getfloat('maximum_mcu_duration',
0, minval=0.500)
self.mcu_pin.setup_max_duration(self.max_mcu_duration)
self.resend_interval = .8 * self.max_mcu_duration - PIN_MIN_TIME
self.last_value = config.getfloat(
'value', 0., minval=0., maxval=self.scale) / self.scale
shutdown_value = config.getfloat(
self.shutdown_value = config.getfloat(
'shutdown_value', 0., minval=0., maxval=self.scale) / self.scale
self.mcu_pin.setup_start_value(self.last_value, shutdown_value)
self.mcu_pin.setup_start_value(self.last_value, self.shutdown_value)
pin_name = config.get_name().split()[1]
gcode = self.printer.lookup_object('gcode')
gcode.register_mux_command("SET_PIN", "PIN", pin_name,
@ -43,9 +51,10 @@ 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):
def _set_pin(self, print_time, value, cycle_time, is_resend=False):
if value == self.last_value and cycle_time == self.last_cycle_time:
return
if not is_resend:
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)
@ -54,6 +63,9 @@ class PrinterOutputPin:
self.last_value = value
self.last_cycle_time = cycle_time
self.last_print_time = print_time
if self.max_mcu_duration != 0 and self.resend_timer is None:
self.resend_timer = self.reactor.register_timer(
self._resend_current_val, self.reactor.NOW)
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)
@ -66,5 +78,21 @@ class PrinterOutputPin:
toolhead.register_lookahead_callback(
lambda print_time: self._set_pin(print_time, value, cycle_time))
def _resend_current_val(self, eventtime):
if self.last_value == self.shutdown_value:
self.reactor.unregister_timer(self.resend_timer)
self.resend_timer = None
return self.reactor.NEVER
systime = self.reactor.monotonic()
print_time = self.mcu_pin.get_mcu().estimated_print_time(systime)
time_diff = print_time - (self.last_print_time + self.resend_interval)
if time_diff > 0.:
# Reschedule for resend time
return systime + time_diff
self._set_pin(print_time + PIN_MIN_TIME,
self.last_value, self.last_cycle_time, True)
return systime + self.resend_interval
def load_config_prefix(config):
return PrinterOutputPin(config)