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ds18b20: Don't propagate incorrect temperature on a fault 

Just log an error on a fault.

Remove the host check for min/max temperature as the micro-controller
code already implements that check.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2022-06-08 12:46:07 -04:00
parent 2dc20c011d
commit d61d3ade23
1 changed files with 4 additions and 6 deletions
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10
klippy/extras/ds18b20.py
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@ -45,12 +45,10 @@ class DS18B20:
def _handle_ds18b20_response(self, params):
temp = params['value'] / 1000.0
if params["fault"] != 0:
temp = 0 # read error! report 0C and don't check temp range
elif temp < self.min_temp or temp > self.max_temp:
self.printer.invoke_shutdown(
"DS18B20 temperature %0.1f outside range of %0.1f:%.01f"
% (temp, self.min_temp, self.max_temp))
if params["fault"]:
logging.info("ds18b20 reports fault %d (temp=%0.1f)",
params["fault"], temp)
return
next_clock = self._mcu.clock32_to_clock64(params['next_clock'])
last_read_clock = next_clock - self._report_clock