- improved tempsensor exception

components/atemperatureSensor.py

@@ -2,6 +2,11 @@ import abc
 from utils.value import AttributeChange
 
 
+class TemperatureSensorException(Exception):
+	def __init__(self, error_txt):
+		Exception.__init__(self, error_txt)
+
+
 class ATemperatureSensor(AttributeChange):
 	def __init__(self):
 		AttributeChange.__init__(self)

components/sensor/tempSensor_max31865.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 import time
-from components import ATemperatureSensor
+from components import ATemperatureSensor, TemperatureSensorException
 import spidev
 
 
@@ -38,6 +38,8 @@ class TempSensor_max31865(ATemperatureSensor):
 		lsb = self.read_reg(0x02)
 		if lsb & 0x01 == 0x00:
 			digits = (256*msb + lsb) >> 1
+		else
+			raise TemperatureSensorException("Could not read sensor!")
 
 		self.write_reg(0x00, 0xA3)
 		return digits