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Merge BlockingTimer and Delay

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This commit is contained in:
Dario Nieuwenhuis 2021-07-12 03:31:56 +02:00
parent 35a76c364a
commit 16bb678368
1 changed files with 13 additions and 16 deletions
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29
embassy/src/time/delay.rs
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@ -2,7 +2,13 @@ use core::future::Future;
use super::{Duration, Instant, Timer}; use super::{Duration, Instant, Timer};
/// Async or blocking delay. /// Type implementing async delays and blocking `embedded-hal` delays.
///
/// For this interface to work, the Executor's clock must be correctly initialized before using it.
/// The delays are implemented in a "best-effort" way, meaning that the cpu will block for at least
/// the amount provided, but accuracy can be affected by many factors, including interrupt usage.
/// Make sure to use a suitable tick rate for your use case. The tick rate can be chosen through
/// features flags of this crate.
pub struct Delay; pub struct Delay;
impl crate::traits::delay::Delay for Delay { impl crate::traits::delay::Delay for Delay {
@ -16,46 +22,37 @@ impl crate::traits::delay::Delay for Delay {
} }
} }
/// Type used for blocking delays through embedded-hal traits. impl embedded_hal::blocking::delay::DelayMs<u8> for Delay {
///
/// For this interface to work, the Executor's clock must be correctly initialized before using it.
/// The delays are implemented in a "best-effort" way, meaning that the cpu will block for at least
/// the amount provided, but accuracy can be affected by many factors, including interrupt usage.
/// Make sure to use a suitable tick rate for your use case. The tick rate can be chosen through
/// features flags of this crate.
pub struct BlockingTimer;
impl embedded_hal::blocking::delay::DelayMs<u8> for BlockingTimer {
fn delay_ms(&mut self, ms: u8) { fn delay_ms(&mut self, ms: u8) {
block_for(Duration::from_millis(ms as u64)) block_for(Duration::from_millis(ms as u64))
} }
} }
impl embedded_hal::blocking::delay::DelayMs<u16> for BlockingTimer { impl embedded_hal::blocking::delay::DelayMs<u16> for Delay {
fn delay_ms(&mut self, ms: u16) { fn delay_ms(&mut self, ms: u16) {
block_for(Duration::from_millis(ms as u64)) block_for(Duration::from_millis(ms as u64))
} }
} }
impl embedded_hal::blocking::delay::DelayMs<u32> for BlockingTimer { impl embedded_hal::blocking::delay::DelayMs<u32> for Delay {
fn delay_ms(&mut self, ms: u32) { fn delay_ms(&mut self, ms: u32) {
block_for(Duration::from_millis(ms as u64)) block_for(Duration::from_millis(ms as u64))
} }
} }
impl embedded_hal::blocking::delay::DelayUs<u8> for BlockingTimer { impl embedded_hal::blocking::delay::DelayUs<u8> for Delay {
fn delay_us(&mut self, us: u8) { fn delay_us(&mut self, us: u8) {
block_for(Duration::from_micros(us as u64)) block_for(Duration::from_micros(us as u64))
} }
} }
impl embedded_hal::blocking::delay::DelayUs<u16> for BlockingTimer { impl embedded_hal::blocking::delay::DelayUs<u16> for Delay {
fn delay_us(&mut self, us: u16) { fn delay_us(&mut self, us: u16) {
block_for(Duration::from_micros(us as u64)) block_for(Duration::from_micros(us as u64))
} }
} }
impl embedded_hal::blocking::delay::DelayUs<u32> for BlockingTimer { impl embedded_hal::blocking::delay::DelayUs<u32> for Delay {
fn delay_us(&mut self, us: u32) { fn delay_us(&mut self, us: u32) {
block_for(Duration::from_micros(us as u64)) block_for(Duration::from_micros(us as u64))
} }