Remove dead code

Author: usbalbin

src/time.rs

@@ -23,69 +23,3 @@ impl U32Ext for u32 {
         Bps::from_raw(self)
     }
 }
-
-/*
-// Implement conversion from time periods into core::time::Duration
-impl From<MilliSeconds> for Duration {
-    fn from(ms: MilliSeconds) -> Self {
-        Self::from_millis(ms.0 as u64)
-    }
-}
-
-impl From<MicroSeconds> for Duration {
-    fn from(us: MicroSeconds) -> Self {
-        Self::from_micros(us.0 as u64)
-    }
-}
-
-impl From<NanoSeconds> for Duration {
-    fn from(ns: NanoSeconds) -> Self {
-        Self::from_nanos(ns.0 as u64)
-    }
-}
-*/
-
-// /// A monotonic nondecreasing timer
-// #[derive(Clone, Copy)]
-// pub struct MonoTimer {
-//     frequency: Hertz,
-// }
-
-// impl MonoTimer {
-//     /// Creates a new `Monotonic` timer
-//     pub fn new(mut dwt: DWT, clocks: Clocks) -> Self {
-//         dwt.enable_cycle_counter();
-
-//         // now the CYCCNT counter can't be stopped or resetted
-//         drop(dwt);
-
-//         MonoTimer {
-//             frequency: clocks.sysclk(),
-//         }
-//     }
-
-//     /// Returns the frequency at which the monotonic timer is operating at
-//     pub fn frequency(&self) -> Hertz {
-//         self.frequency
-//     }
-
-//     /// Returns an `Instant` corresponding to "now"
-//     pub fn now(&self) -> Instant {
-//         Instant {
-//             now: DWT::cycle_count(),
-//         }
-//     }
-// }
-
-/// A measurement of a monotonically nondecreasing clock
-#[derive(Clone, Copy)]
-pub struct Instant {
-    now: u32,
-}
-
-impl Instant {
-    /// Ticks elapsed since the `Instant` was created
-    pub fn elapsed(&self) -> u32 {
-        DWT::cycle_count().wrapping_sub(self.now)
-    }
-}