Macro temperature_resolution 

macro_rules! temperature_resolution {
    (16bit/0.0050dC) => { ... };
    (17bit/0.0025dC) => { ... };
    (18bit/0.0012dC) => { ... };
    (19bit/0.0006dC) => { ... };
    (20bit/0.0003dC) => { ... };
}