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| -rw-r--r-- | src/lib.rs | 44 |
1 files changed, 0 insertions, 44 deletions
@@ -108,50 +108,6 @@ impl From<cortex_m::Peripherals> for Peripherals { } } -/// A fraction -pub struct Fraction { - /// The numerator - pub numerator: u32, - - /// The denominator - pub denominator: u32, -} - -/// A monotonic clock / counter -pub trait Monotonic { - /// A measurement of this clock, use `CYCCNT` as a reference implementation for `Instant`. - /// Note that the Instant must be a signed value such as `i32`. - type Instant: Copy + Ord + Sub; - - /// The ratio between the system timer (SysTick) frequency and this clock frequency, i.e. - /// `Monotonic clock * Fraction = System clock` - /// - /// The ratio must be expressed in *reduced* `Fraction` form to prevent overflows. That is - /// `2 / 3` instead of `4 / 6` - fn ratio() -> Fraction; - - /// Returns the current time - /// - /// # Correctness - /// - /// This function is *allowed* to return nonsensical values if called before `reset` is invoked - /// by the runtime. Therefore application authors should *not* call this function during the - /// `#[init]` phase. - fn now() -> Self::Instant; - - /// Resets the counter to *zero* - /// - /// # Safety - /// - /// This function will be called *exactly once* by the RTIC runtime after `#[init]` returns and - /// before tasks can start; this is also the case in multi-core applications. User code must - /// *never* call this function. - unsafe fn reset(); - - /// A `Self::Instant` that represents a count of *zero* - fn zero() -> Self::Instant; -} - /// Sets the given `interrupt` as pending /// /// This is a convenience function around |