pub const TICK_HZ: u64 = tick::TICK_HZ; // 1_000_000u64
Ticks per second of the global timebase.
This value is specified by the
tick-* Cargo features, which
should be set by the time driver. Some drivers support a fixed tick rate, others
allow you to choose a tick rate with Cargo features of their own. You should not
tick-* features for embassy yourself as an end user.