1 files changed, 0 insertions, 136 deletions
diff --git a/src/delay.rs b/src/delay.rs
deleted file mode 100644
index 66a63bf..0000000
--- a/src/delay.rs
+++ /dev/null
@@ -1,136 +0,0 @@
-//! A delay driver based on SysTick.
-
-use crate::peripheral::{syst::SystClkSource, SYST};
-use embedded_hal::blocking::delay::{DelayMs, DelayUs};
-
-/// System timer (SysTick) as a delay provider.
-pub struct Delay {
-    syst: SYST,
-    frequency: u32,
-}
-
-impl Delay {
-    /// Configures the system timer (SysTick) as a delay provider.
-    ///
-    /// `ahb_frequency` is a frequency of the AHB bus in Hz.
-    #[inline]
-    pub fn new(syst: SYST, ahb_frequency: u32) -> Self {
-        Self::with_source(syst, ahb_frequency, SystClkSource::Core)
-    }
-
-    /// Configures the system timer (SysTick) as a delay provider
-    /// with a clock source.
-    ///
-    /// `frequency` is the frequency of your `clock_source` in Hz.
-    #[inline]
-    pub fn with_source(mut syst: SYST, frequency: u32, clock_source: SystClkSource) -> Self {
-        syst.set_clock_source(clock_source);
-
-        Delay { syst, frequency }
-    }
-
-    /// Releases the system timer (SysTick) resource.
-    #[inline]
-    pub fn free(self) -> SYST {
-        self.syst
-    }
-
-    /// Delay using the Cortex-M systick for a certain duration, in µs.
-    #[allow(clippy::missing_inline_in_public_items)]
-    pub fn delay_us(&mut self, us: u32) {
-        let ticks = (u64::from(us)) * (u64::from(self.frequency)) / 1_000_000;
-
-        let full_cycles = ticks >> 24;
-        if full_cycles > 0 {
-            self.syst.set_reload(0xffffff);
-            self.syst.clear_current();
-            self.syst.enable_counter();
-
-            for _ in 0..full_cycles {
-                while !self.syst.has_wrapped() {}
-            }
-        }
-
-        let ticks = (ticks & 0xffffff) as u32;
-        if ticks > 1 {
-            self.syst.set_reload(ticks - 1);
-            self.syst.clear_current();
-            self.syst.enable_counter();
-
-            while !self.syst.has_wrapped() {}
-        }
-
-        self.syst.disable_counter();
-    }
-
-    /// Delay using the Cortex-M systick for a certain duration, in ms.
-    #[inline]
-    pub fn delay_ms(&mut self, mut ms: u32) {
-        // 4294967 is the highest u32 value which you can multiply by 1000 without overflow
-        while ms > 4294967 {
-            self.delay_us(4294967000u32);
-            ms -= 4294967;
-        }
-        self.delay_us(ms * 1_000);
-    }
-}
-
-impl DelayMs<u32> for Delay {
-    #[inline]
-    fn delay_ms(&mut self, ms: u32) {
-        Delay::delay_ms(self, ms);
-    }
-}
-
-// This is a workaround to allow `delay_ms(42)` construction without specifying a type.
-impl DelayMs<i32> for Delay {
-    #[inline(always)]
-    fn delay_ms(&mut self, ms: i32) {
-        assert!(ms >= 0);
-        Delay::delay_ms(self, ms as u32);
-    }
-}
-
-impl DelayMs<u16> for Delay {
-    #[inline(always)]
-    fn delay_ms(&mut self, ms: u16) {
-        Delay::delay_ms(self, u32::from(ms));
-    }
-}
-
-impl DelayMs<u8> for Delay {
-    #[inline(always)]
-    fn delay_ms(&mut self, ms: u8) {
-        Delay::delay_ms(self, u32::from(ms));
-    }
-}
-
-impl DelayUs<u32> for Delay {
-    #[inline]
-    fn delay_us(&mut self, us: u32) {
-        Delay::delay_us(self, us);
-    }
-}
-
-// This is a workaround to allow `delay_us(42)` construction without specifying a type.
-impl DelayUs<i32> for Delay {
-    #[inline(always)]
-    fn delay_us(&mut self, us: i32) {
-        assert!(us >= 0);
-        Delay::delay_us(self, us as u32);
-    }
-}
-
-impl DelayUs<u16> for Delay {
-    #[inline(always)]
-    fn delay_us(&mut self, us: u16) {
-        Delay::delay_us(self, u32::from(us))
-    }
-}
-
-impl DelayUs<u8> for Delay {
-    #[inline(always)]
-    fn delay_us(&mut self, us: u8) {
-        Delay::delay_us(self, u32::from(us))
-    }
-}