updated README and humidityChecker got updated

Norberg · tekkub · commit 721a645de7b2 · 2010-07-14T01:12:54.000-06:00
humidityChecker now have consitency check even when dearlarming
and not just when alarming eg. five conistent readings i row is needed
to trigger ether of alarma and dealarm
diff --git a/README b/README
@@ -17,3 +17,14 @@ Where ATTRS{interface} is the same as found with:
 sudo udevadm info -a -p /sys/class/tty/ttyUSB0 | grep interface
 
 Then replug the device and /dev/arduino should appear.
+
+
+HUGE Database:
+Over time the database will grow resulting in slower and slower sql queries
+therefore its good to sometime clean out old results, eg. only leaving one
+value per hour for values more than one month old eg with:
+select * from sensors where date < '2010-04-01' and time not like '__:00';
+
+then followed by:
+vacuum;
+to clean up unused space
diff --git a/humidityChecker.py b/humidityChecker.py
@@ -77,17 +77,20 @@ def main():
 	while 1:
 		readings = check()
 		for name, value in readings.items():
-			if thresholdGuard[name][1] == -1:
-				dealarm(name, value)
-				thresholdGuard[name][1] = 0 #deactive alarm
-			elif thresholdGuard[name][0] > value:
+			if thresholdGuard[name][0] < value and \
+			    thresholdGuard[name][1] < 0:
+				thresholdGuard[name][1] -= 1
+				print name, value, "detrigged"
+			elif thresholdGuard[name][0] > value and \
+			     thresholdGuard[name][1] >= 0:
 				thresholdGuard[name][1] += 1
 				print name, value, "trigged"
-			else:
-				thresholdGuard[name][1] = 0	
 			if thresholdGuard[name][1] >= thresholdLimit:
 				alarm(name, value)
 				thresholdGuard[name][1] = -1 #active alarm
+			elif thresholdGuard[name][1] <= -thresholdLimit:
+				dealarm(name, value)
+				thresholdGuard[name][1] = 0 #deactive alarm
 			print ".",
 		time.sleep(30) # sleep 30 seconds	
 			
