Clear Memory, and try next time again

mqtt.lua

@@ -206,7 +206,7 @@ function startMqttClient()
 	dstimer:register(123, tmr.ALARM_SINGLE, function (kTemp)
 		if (file.open("ds18b20_diet.lc")) then
 		  t=true
-		  print "Setup temperature"
+		  print "Setup temperatur"
 		end
 	end)
     dstimer:start()
@@ -226,10 +226,12 @@ function startMqttClient()
 		     ds18b20.setup(2) -- GPIO4
 		     readTemp(ds18b20) -- read once, to setup chip	     
                     temperatur=readTemp(ds18b20)
-                    if (temperatur == 85) then
+                    if (temperatur == 8500) then
                      temperatur=nil
                     end
 		     ds18b20=nil
+		   else	   
+	             collectgarbage()
                   end
                   if (temperatur ~= nil and temperatur ~= oldTemp) then
                     oldTemp = temperatur