Struct qei::QeiManager

pub struct QeiManager<T> { /* fields omitted */ }

Extend a Qei peripherals by tracking overflows and underflows.

Methods

impl<T, K> QeiManager<T> where     T: Qei<Count = K>,     K: Into<u16>,

pub fn new(qei: T) -> QeiManager<T>

Create a new Qei from an existing one. The implemntation assume that the counter can't change for more than (2^16-1)/2, because otherwise we can't detect overflows/underflows

pub fn sample(&mut self) -> Result<(), SamplingError>

Take a new sample from the Qei and update the internal counter.

pub fn sample_unwrap(&mut self)

Take a new sample from the Qei and update the internal counter, unwrapping all errors.

pub fn count(&self) -> i64

Returns the internal counter value

Trait Implementations

impl<T: Debug> Debug for QeiManager<T>

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

Formats the value using the given formatter.