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lm75: Implement support for min_temp/max_temp checks 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2021-02-01 10:28:44 -05:00
parent 7775e0ed54
commit 333f8c210f
1 changed files with 8 additions and 2 deletions
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10
klippy/extras/lm75.py
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@ -31,7 +31,7 @@ class LM75:
self.mcu = self.i2c.get_mcu() self.mcu = self.i2c.get_mcu()
self.report_time = config.getfloat('lm75_report_time', LM75_REPORT_TIME, self.report_time = config.getfloat('lm75_report_time', LM75_REPORT_TIME,
minval=LM75_MIN_REPORT_TIME) minval=LM75_MIN_REPORT_TIME)
self.temp = 0.0 self.temp = self.min_temp = self.max_temp = 0.0
self.sample_timer = self.reactor.register_timer(self._sample_lm75) self.sample_timer = self.reactor.register_timer(self._sample_lm75)
self.printer.add_object("lm75 " + self.name, self) self.printer.add_object("lm75 " + self.name, self)
self.printer.register_event_handler("klippy:connect", self.printer.register_event_handler("klippy:connect",
@ -42,7 +42,8 @@ class LM75:
self.reactor.update_timer(self.sample_timer, self.reactor.NOW) self.reactor.update_timer(self.sample_timer, self.reactor.NOW)
def setup_minmax(self, min_temp, max_temp): def setup_minmax(self, min_temp, max_temp):
pass self.min_temp = min_temp
self.max_temp = max_temp
def setup_callback(self, cb): def setup_callback(self, cb):
self._callback = cb self._callback = cb
@ -73,6 +74,11 @@ class LM75:
self.temp = 0.0 self.temp = 0.0
return self.reactor.NEVER return self.reactor.NEVER
if self.temp < self.min_temp or self.temp > self.max_temp:
self.printer.invoke_shutdown(
"LM75 temperature %0.1f outside range of %0.1f:%.01f"
% (self.temp, self.min_temp, self.max_temp))
measured_time = self.reactor.monotonic() measured_time = self.reactor.monotonic()
self._callback(self.mcu.estimated_print_time(measured_time), self.temp) self._callback(self.mcu.estimated_print_time(measured_time), self.temp)
return measured_time + self.report_time return measured_time + self.report_time