Merge pull request #17 from javacasm/master

Bug call getWindSpeed twice get Nan result

Author: nseidle

firmware/Weather_Shield/Weather_Shield.ino

@@ -170,7 +170,7 @@ void loop()
     if(++seconds_2m > 119) seconds_2m = 0;
 
     //Calc the wind speed and direction every second for 120 second to get 2 minute average
-    float currentSpeed = get_wind_speed();
+    float currentSpeed = windspeedmph;
     //float currentSpeed = random(5); //For testing
     int currentDirection = get_wind_direction();
     windspdavg[seconds_2m] = (int)currentSpeed;