1.1 --- a/Hardware/ISensor.cs	Tue Sep 21 10:33:28 2010 +0000
     1.2 +++ b/Hardware/ISensor.cs	Tue Sep 21 20:32:36 2010 +0000
     1.3 @@ -52,8 +52,8 @@
     1.4    }
     1.5  
     1.6    public struct SensorValue {
     1.7 -    private float value;
     1.8 -    private DateTime time;
     1.9 +    private readonly float value;
    1.10 +    private readonly DateTime time;
    1.11  
    1.12      public SensorValue(float value, DateTime time) {
    1.13        this.value = value;