emergency temp handling

yaleman · Jan 4, 2016 · e4bdcb9 · e4bdcb9
1 parent 91f90c4
commit e4bdcb9
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/coffeemachine.py b/coffeemachine.py
@@ -6,6 +6,7 @@
 
 TEMP_UNITS = 'c'
 TEMP_SETPOINT = 92.0
+TEMP_EMERGENCY = 99.0
 
 ### HARDWARE SETTINGS ###
 DEBUG = True
@@ -208,6 +209,10 @@ def tick(self):
         if(time_since_last_tick > 0.5):
             sys.exit("Program running too slow, scary things might happen")
 
+        # handle possible heater overrun
+        if( self.temp > TEMP_EMERGENCY ):
+            self.setpin(False, PIN_HEATER)
+
         if(self.status['timeout'] == False):
             # check to see if the machine's been on too long
             if (self.current_time - self.status['last_power_on'] > MAX_TIME_ON):