Method read_from_device

src/features.rs:471–473

Queries hardware for the current value, updates the cache, returns the fresh value.

(&self)

    /// Queries hardware for the current value, updates the cache, returns the fresh value.
    pub fn read_from_device(&self) -> f32 {
        (self.getter)(self)
    }

    /// sends one write packet to hardware and reads the ACK.
    /// logs an error if the ACK is missing or invalid.