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-rw-r--r--klippy/extras/lm75.py10
1 files changed, 8 insertions, 2 deletions
diff --git a/klippy/extras/lm75.py b/klippy/extras/lm75.py
index c1a4a9a0..44e9a6ec 100644
--- a/klippy/extras/lm75.py
+++ b/klippy/extras/lm75.py
@@ -31,7 +31,7 @@ class LM75:
self.mcu = self.i2c.get_mcu()
self.report_time = config.getfloat('lm75_report_time', LM75_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.printer.add_object("lm75 " + self.name, self)
self.printer.register_event_handler("klippy:connect",
@@ -42,7 +42,8 @@ class LM75:
self.reactor.update_timer(self.sample_timer, self.reactor.NOW)
def setup_minmax(self, min_temp, max_temp):
- pass
+ self.min_temp = min_temp
+ self.max_temp = max_temp
def setup_callback(self, cb):
self._callback = cb
@@ -73,6 +74,11 @@ class LM75:
self.temp = 0.0
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()
self._callback(self.mcu.estimated_print_time(measured_time), self.temp)
return measured_time + self.report_time