use *;
/// The default maximum depth for ultrasound sensors,
/// this effect the time of flight cutoff, ie how long
/// to wait for a bounce before giving up.
pub const DEFAULT_ULTRASOUND_MAX_DEPTH: f32 = 2.0;
/// Represents the current reading of a depth sensor,
/// if this is none the last reading was invalid, usually
/// because the sensor is out of range.
;