# HG changeset patch
# User Daniel O'Connor <darius@dons.net.au>
# Date 1638752180 -37800
# Node ID 60ead9b5fc1b5a3864879c73c3ec96f494dd9c7a
# Parent  4450cf73926399a45eca0138be62496d090caae0
Mark temperature as invalid when <-20C as per spec.
Shows up as -25C on the unit I have when the sensor is not connected.

diff -r 4450cf739263 -r 60ead9b5fc1b epro.py
--- a/epro.py	Mon Dec 06 11:25:51 2021 +1030
+++ b/epro.py	Mon Dec 06 11:26:20 2021 +1030
@@ -142,7 +142,7 @@
         self.temp = (data[2] & 0x7f | (data[1] & 0x7f) << 7 | (data[0] & 0x3f) << 14) / 10.0
         if data[2] & 0x40:
             self.temp *= -1
-        if self.temp == -20:
+        if self.temp < -20:
             self.temp = None
 
     def __repr__(self):