Enum BuzzerDecision 

pub enum BuzzerDecision {
    Silent,
    Rest {
        next_deadline_ms: u64,
    },
    Tone {
        frequency_hz: u16,
        next_deadline_ms: u64,
    },
}

State to apply to the buzzer driver right now.

Variants

Silent

No tone; driver should disable the buzzer.

Rest

A rest inside a melody that is still playing: no tone, but the sequence continues at next_deadline_ms.

Distinct from Silent because a driver that powers its sounder down between notes pays a warm-up to bring it back, and a warm-up that rewinds the melody turns every rest into a loop. A driver with nothing to warm up may treat the two alike.

Fields

next_deadline_ms: u64

Tone

Drive a tone at frequency_hz. Re-invoke BuzzerEngine::tick at next_deadline_ms to advance to the next note.

Fields

frequency_hz: u16

next_deadline_ms: u64

Trait Implementations

impl Clone for BuzzerDecision

fn clone(&self) -> BuzzerDecision

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for BuzzerDecision

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for BuzzerDecision

fn eq(&self, other: &BuzzerDecision) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for BuzzerDecision

impl Eq for BuzzerDecision

impl StructuralPartialEq for BuzzerDecision