Merge pull request #2061 from adamgreig/timer-helpers

Add convenience methods for Timer::after_secs/millis/micros/ticks

README.md

@@ -62,9 +62,9 @@ async fn blink(pin: AnyPin) {
     loop {
         // Timekeeping is globally available, no need to mess with hardware timers.
         led.set_high();
-        Timer::after(Duration::from_millis(150)).await;
+        Timer::after_millis(150).await;
         led.set_low();
-        Timer::after(Duration::from_millis(150)).await;
+        Timer::after_millis(150).await;
     }
 }
 

cyw43/src/bus.rs

@@ -1,5 +1,5 @@
 use embassy_futures::yield_now;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_hal_1::digital::OutputPin;
 use futures::FutureExt;
 
@@ -51,9 +51,9 @@ where
     pub async fn init(&mut self) {
         // Reset
         self.pwr.set_low().unwrap();
-        Timer::after(Duration::from_millis(20)).await;
+        Timer::after_millis(20).await;
         self.pwr.set_high().unwrap();
-        Timer::after(Duration::from_millis(250)).await;
+        Timer::after_millis(250).await;
 
         while self
             .read32_swapped(REG_BUS_TEST_RO)

cyw43/src/control.rs

@@ -2,7 +2,7 @@ use core::cmp::{max, min};
 
 use ch::driver::LinkState;
 use embassy_net_driver_channel as ch;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 
 pub use crate::bus::SpiBusCyw43;
 use crate::consts::*;
@@ -87,22 +87,22 @@ impl<'a> Control<'a> {
         self.set_iovar("country", &country_info.to_bytes()).await;
 
         // set country takes some time, next ioctls fail if we don't wait.
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
 
         // Set antenna to chip antenna
         self.ioctl_set_u32(IOCTL_CMD_ANTDIV, 0, 0).await;
 
         self.set_iovar_u32("bus:txglom", 0).await;
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
         //self.set_iovar_u32("apsta", 1).await; // this crashes, also we already did it before...??
-        //Timer::after(Duration::from_millis(100)).await;
+        //Timer::after_millis(100).await;
         self.set_iovar_u32("ampdu_ba_wsize", 8).await;
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
         self.set_iovar_u32("ampdu_mpdu", 4).await;
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
         //self.set_iovar_u32("ampdu_rx_factor", 0).await; // this crashes
 
-        //Timer::after(Duration::from_millis(100)).await;
+        //Timer::after_millis(100).await;
 
         // evts
         let mut evts = EventMask {
@@ -121,17 +121,17 @@ impl<'a> Control<'a> {
 
         self.set_iovar("bsscfg:event_msgs", &evts.to_bytes()).await;
 
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
 
         // set wifi up
         self.up().await;
 
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
 
         self.ioctl_set_u32(110, 0, 1).await; // SET_GMODE = auto
         self.ioctl_set_u32(142, 0, 0).await; // SET_BAND = any
 
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
 
         self.state_ch.set_ethernet_address(mac_addr);
 
@@ -185,7 +185,7 @@ impl<'a> Control<'a> {
         self.set_iovar_u32x2("bsscfg:sup_wpa2_eapver", 0, 0xFFFF_FFFF).await;
         self.set_iovar_u32x2("bsscfg:sup_wpa_tmo", 0, 2500).await;
 
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
 
         let mut pfi = PassphraseInfo {
             len: passphrase.len() as _,
@@ -297,7 +297,7 @@ impl<'a> Control<'a> {
         if security != Security::OPEN {
             self.set_iovar_u32x2("bsscfg:wpa_auth", 0, 0x0084).await; // wpa_auth = WPA2_AUTH_PSK | WPA_AUTH_PSK
 
-            Timer::after(Duration::from_millis(100)).await;
+            Timer::after_millis(100).await;
 
             // Set passphrase
             let mut pfi = PassphraseInfo {

cyw43/src/runner.rs

@@ -555,14 +555,14 @@ where
 
         self.bus.bp_write8(base + AI_RESETCTRL_OFFSET, 0).await;
 
-        Timer::after(Duration::from_millis(1)).await;
+        Timer::after_millis(1).await;
 
         self.bus
             .bp_write8(base + AI_IOCTRL_OFFSET, AI_IOCTRL_BIT_CLOCK_EN)
             .await;
         let _ = self.bus.bp_read8(base + AI_IOCTRL_OFFSET).await;
 
-        Timer::after(Duration::from_millis(1)).await;
+        Timer::after_millis(1).await;
     }
 
     async fn core_is_up(&mut self, core: Core) -> bool {

docs/modules/ROOT/pages/runtime.adoc

@@ -6,7 +6,7 @@ The Embassy executor is an async/await executor designed for embedded usage alon
 
 * No `alloc`, no heap needed. Task are statically allocated.
 * No "fixed capacity" data structures, executor works with 1 or 1000 tasks without needing config/tuning.
-* Integrated timer queue: sleeping is easy, just do `Timer::after(Duration::from_secs(1)).await;`.
+* Integrated timer queue: sleeping is easy, just do `Timer::after_secs(1).await;`.
 * No busy-loop polling: CPU sleeps when there's no work to do, using interrupts or `WFE/SEV`.
 * Efficient polling: a wake will only poll the woken task, not all of them.
 * Fair: a task can't monopolize CPU time even if it's constantly being woken. All other tasks get a chance to run before a given task gets polled for the second time.

embassy-embedded-hal/src/shared_bus/asynch/spi.rs

@@ -76,9 +76,7 @@ where
                     #[cfg(not(feature = "time"))]
                     Operation::DelayUs(_) => return Err(SpiDeviceError::DelayUsNotSupported),
                     #[cfg(feature = "time")]
-                    Operation::DelayUs(us) => {
-                        embassy_time::Timer::after(embassy_time::Duration::from_micros(*us as _)).await
-                    }
+                    Operation::DelayUs(us) => embassy_time::Timer::after_micros(*us as _).await,
                 }
             }
         };
@@ -143,9 +141,7 @@ where
                     #[cfg(not(feature = "time"))]
                     Operation::DelayUs(_) => return Err(SpiDeviceError::DelayUsNotSupported),
                     #[cfg(feature = "time")]
-                    Operation::DelayUs(us) => {
-                        embassy_time::Timer::after(embassy_time::Duration::from_micros(*us as _)).await
-                    }
+                    Operation::DelayUs(us) => embassy_time::Timer::after_micros(*us as _).await,
                 }
             }
         };

embassy-executor/README.md

@@ -4,7 +4,7 @@ An async/await executor designed for embedded usage.
 
 - No `alloc`, no heap needed. Task futures are statically allocated.
 - No "fixed capacity" data structures, executor works with 1 or 1000 tasks without needing config/tuning.
-- Integrated timer queue: sleeping is easy, just do `Timer::after(Duration::from_secs(1)).await;`.
+- Integrated timer queue: sleeping is easy, just do `Timer::after_secs(1).await;`.
 - No busy-loop polling: CPU sleeps when there's no work to do, using interrupts or `WFE/SEV`.
 - Efficient polling: a wake will only poll the woken task, not all of them.
 - Fair: a task can't monopolize CPU time even if it's constantly being woken. All other tasks get a chance to run before a given task gets polled for the second time.

embassy-lora/src/lib.rs

@@ -34,6 +34,6 @@ impl lorawan_device::async_device::radio::Timer for LoraTimer {
     }
 
     async fn delay_ms(&mut self, millis: u64) {
-        Timer::after(Duration::from_millis(millis)).await
+        Timer::after_millis(millis).await
     }
 }

embassy-net-adin1110/src/lib.rs

@@ -20,7 +20,7 @@ pub use crc32::ETH_FCS;
 use crc8::crc8;
 use embassy_futures::select::{select, Either};
 use embassy_net_driver_channel as ch;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_hal_1::digital::OutputPin;
 use embedded_hal_async::digital::Wait;
 use embedded_hal_async::spi::{Error, Operation, SpiDevice};
@@ -609,12 +609,12 @@ pub async fn new<const N_RX: usize, const N_TX: usize, SPI: SpiDevice, INT: Wait
     reset.set_low().unwrap();
 
     // Wait t1: 20-43mS
-    Timer::after(Duration::from_millis(30)).await;
+    Timer::after_millis(30).await;
 
     reset.set_high().unwrap();
 
     // Wait t3: 50mS
-    Timer::after(Duration::from_millis(50)).await;
+    Timer::after_millis(50).await;
 
     // Create device
     let mut mac = ADIN1110::new(spi_dev, spi_crc, append_fcs_on_tx);

embassy-net-esp-hosted/src/lib.rs

@@ -169,9 +169,9 @@ where
     pub async fn run(mut self) -> ! {
         debug!("resetting...");
         self.reset.set_low().unwrap();
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
         self.reset.set_high().unwrap();
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
 
         let mut tx_buf = [0u8; MAX_SPI_BUFFER_SIZE];
         let mut rx_buf = [0u8; MAX_SPI_BUFFER_SIZE];

embassy-net-wiznet/src/lib.rs

@@ -8,7 +8,7 @@ mod device;
 use embassy_futures::select::{select, Either};
 use embassy_net_driver_channel as ch;
 use embassy_net_driver_channel::driver::LinkState;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_hal::digital::OutputPin;
 use embedded_hal_async::digital::Wait;
 use embedded_hal_async::spi::SpiDevice;
@@ -95,12 +95,12 @@ pub async fn new<'a, const N_RX: usize, const N_TX: usize, C: Chip, SPI: SpiDevi
     // Reset the chip.
     reset.set_low().ok();
     // Ensure the reset is registered.
-    Timer::after(Duration::from_millis(1)).await;
+    Timer::after_millis(1).await;
     reset.set_high().ok();
 
     // Wait for PLL lock. Some chips are slower than others.
     // Slowest is w5100s which is 100ms, so let's just wait that.
-    Timer::after(Duration::from_millis(100)).await;
+    Timer::after_millis(100).await;
 
     let mac = WiznetDevice::new(spi_dev, mac_addr).await.unwrap();
 

embassy-rp/src/uart/buffered.rs

@@ -5,7 +5,7 @@ use core::task::Poll;
 use atomic_polyfill::{AtomicU8, Ordering};
 use embassy_hal_internal::atomic_ring_buffer::RingBuffer;
 use embassy_sync::waitqueue::AtomicWaker;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 
 use super::*;
 use crate::clocks::clk_peri_freq;
@@ -435,7 +435,7 @@ impl<'d, T: Instance> BufferedUartTx<'d, T> {
         Self::flush().await.unwrap();
         while self.busy() {}
         regs.uartlcr_h().write_set(|w| w.set_brk(true));
-        Timer::after(Duration::from_micros(wait_usecs)).await;
+        Timer::after_micros(wait_usecs).await;
         regs.uartlcr_h().write_clear(|w| w.set_brk(true));
     }
 }

embassy-rp/src/uart/mod.rs

@@ -6,7 +6,7 @@ use atomic_polyfill::{AtomicU16, Ordering};
 use embassy_futures::select::{select, Either};
 use embassy_hal_internal::{into_ref, PeripheralRef};
 use embassy_sync::waitqueue::AtomicWaker;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use pac::uart::regs::Uartris;
 
 use crate::clocks::clk_peri_freq;
@@ -187,7 +187,7 @@ impl<'d, T: Instance, M: Mode> UartTx<'d, T, M> {
         self.blocking_flush().unwrap();
         while self.busy() {}
         regs.uartlcr_h().write_set(|w| w.set_brk(true));
-        Timer::after(Duration::from_micros(wait_usecs)).await;
+        Timer::after_micros(wait_usecs).await;
         regs.uartlcr_h().write_clear(|w| w.set_brk(true));
     }
 }

embassy-time/src/delay.rs

@@ -36,11 +36,11 @@ mod eha {
 
     impl embedded_hal_async::delay::DelayUs for Delay {
         async fn delay_us(&mut self, micros: u32) {
-            Timer::after(Duration::from_micros(micros as _)).await
+            Timer::after_micros(micros as _).await
         }
 
         async fn delay_ms(&mut self, millis: u32) {
-            Timer::after(Duration::from_millis(millis as _)).await
+            Timer::after_millis(millis as _).await
         }
     }
 }

embassy-time/src/timer.rs

@@ -64,6 +64,42 @@ impl Timer {
             yielded_once: false,
         }
     }
+
+    /// Expire after the specified number of ticks.
+    ///
+    /// This method is a convenience wrapper for calling `Timer::after(Duration::from_ticks())`.
+    /// For more details, refer to [`Timer::after()`] and [`Duration::from_ticks()`].
+    #[inline]
+    pub fn after_ticks(ticks: u64) -> Self {
+        Self::after(Duration::from_ticks(ticks))
+    }
+
+    /// Expire after the specified number of microseconds.
+    ///
+    /// This method is a convenience wrapper for calling `Timer::after(Duration::from_micros())`.
+    /// For more details, refer to [`Timer::after()`] and [`Duration::from_micros()`].
+    #[inline]
+    pub fn after_micros(micros: u64) -> Self {
+        Self::after(Duration::from_micros(micros))
+    }
+
+    /// Expire after the specified number of milliseconds.
+    ///
+    /// This method is a convenience wrapper for calling `Timer::after(Duration::from_millis())`.
+    /// For more details, refer to [`Timer::after`] and [`Duration::from_millis()`].
+    #[inline]
+    pub fn after_millis(millis: u64) -> Self {
+        Self::after(Duration::from_millis(millis))
+    }
+
+    /// Expire after the specified number of seconds.
+    ///
+    /// This method is a convenience wrapper for calling `Timer::after(Duration::from_secs())`.
+    /// For more details, refer to [`Timer::after`] and [`Duration::from_secs()`].
+    #[inline]
+    pub fn after_secs(secs: u64) -> Self {
+        Self::after(Duration::from_secs(secs))
+    }
 }
 
 impl Unpin for Timer {}

examples/boot/application/nrf/src/bin/b.rs

@@ -5,7 +5,7 @@
 
 use embassy_executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
@@ -19,8 +19,8 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }

examples/boot/application/rp/src/bin/a.rs

@@ -41,7 +41,7 @@ async fn main(_s: Spawner) {
     let mut aligned = AlignedBuffer([0; 1]);
     let mut updater = BlockingFirmwareUpdater::new(config, &mut aligned.0);
 
-    Timer::after(Duration::from_secs(5)).await;
+    Timer::after_secs(5).await;
     watchdog.feed();
     led.set_high();
     let mut offset = 0;
@@ -61,7 +61,7 @@ async fn main(_s: Spawner) {
     watchdog.feed();
     defmt::info!("firmware written, marking update");
     updater.mark_updated().unwrap();
-    Timer::after(Duration::from_secs(2)).await;
+    Timer::after_secs(2).await;
     led.set_low();
     defmt::info!("update marked, resetting");
     cortex_m::peripheral::SCB::sys_reset();

examples/boot/application/rp/src/bin/b.rs

@@ -4,7 +4,7 @@
 
 use embassy_executor::Spawner;
 use embassy_rp::gpio;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use gpio::{Level, Output};
 use {defmt_rtt as _, panic_reset as _};
 
@@ -15,9 +15,9 @@ async fn main(_s: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }

examples/boot/application/stm32f3/src/bin/b.rs

@@ -6,7 +6,7 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
@@ -16,9 +16,9 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }

examples/boot/application/stm32f7/src/bin/b.rs

@@ -6,21 +6,21 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
-    Timer::after(Duration::from_millis(300)).await;
+    Timer::after_millis(300).await;
     let mut led = Output::new(p.PB7, Level::High, Speed::Low);
     led.set_high();
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }

examples/boot/application/stm32h7/src/bin/b.rs

@@ -6,21 +6,21 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
-    Timer::after(Duration::from_millis(300)).await;
+    Timer::after_millis(300).await;
     let mut led = Output::new(p.PB14, Level::High, Speed::Low);
     led.set_high();
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }

examples/boot/application/stm32l0/src/bin/a.rs

@@ -11,7 +11,7 @@ use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::flash::{Flash, WRITE_SIZE};
 use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
 use embassy_sync::mutex::Mutex;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[cfg(feature = "skip-include")]
@@ -46,6 +46,6 @@ async fn main(_spawner: Spawner) {
 
     updater.mark_updated().await.unwrap();
     led.set_low();
-    Timer::after(Duration::from_secs(1)).await;
+    Timer::after_secs(1).await;
     cortex_m::peripheral::SCB::sys_reset();
 }

examples/boot/application/stm32l0/src/bin/b.rs

@@ -6,7 +6,7 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
@@ -16,9 +16,9 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }

examples/boot/application/stm32l1/src/bin/a.rs

@@ -11,7 +11,7 @@ use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::flash::{Flash, WRITE_SIZE};
 use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
 use embassy_sync::mutex::Mutex;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[cfg(feature = "skip-include")]
@@ -46,6 +46,6 @@ async fn main(_spawner: Spawner) {
 
     updater.mark_updated().await.unwrap();
     led.set_low();
-    Timer::after(Duration::from_secs(1)).await;
+    Timer::after_secs(1).await;
     cortex_m::peripheral::SCB::sys_reset();
 }

examples/boot/application/stm32l1/src/bin/b.rs

@@ -6,7 +6,7 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
@@ -16,9 +16,9 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }

examples/boot/application/stm32l4/src/bin/b.rs

@@ -6,7 +6,7 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
@@ -16,9 +16,9 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }

examples/boot/application/stm32wl/src/bin/b.rs

@@ -6,7 +6,7 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
@@ -16,9 +16,9 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }

examples/nrf-rtos-trace/src/bin/rtos_trace.rs

@@ -6,7 +6,7 @@ use core::future::poll_fn;
 use core::task::Poll;
 
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Instant, Timer};
+use embassy_time::{Instant, Timer};
 #[cfg(feature = "log")]
 use log::*;
 use panic_probe as _;
@@ -34,7 +34,7 @@ async fn run1() {
         info!("DING DONG");
         #[cfg(not(feature = "log"))]
         rtos_trace::trace::marker(13);
-        Timer::after(Duration::from_ticks(16000)).await;
+        Timer::after_ticks(16000).await;
     }
 }
 

examples/nrf52840-rtic/src/bin/blinky.rs

@@ -9,7 +9,7 @@ mod app {
     use defmt::info;
     use embassy_nrf::gpio::{Level, Output, OutputDrive};
     use embassy_nrf::peripherals;
-    use embassy_time::{Duration, Timer};
+    use embassy_time::Timer;
 
     #[shared]
     struct Shared {}
@@ -34,10 +34,10 @@ mod app {
         loop {
             info!("off!");
             led.set_high();
-            Timer::after(Duration::from_millis(300)).await;
+            Timer::after_millis(300).await;
             info!("on!");
             led.set_low();
-            Timer::after(Duration::from_millis(300)).await;
+            Timer::after_millis(300).await;
         }
     }
 }

examples/nrf52840/src/bin/blinky.rs

@@ -4,7 +4,7 @@
 
 use embassy_executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -14,8 +14,8 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }

examples/nrf52840/src/bin/channel.rs

@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
 use embassy_sync::blocking_mutex::raw::ThreadModeRawMutex;
 use embassy_sync::channel::Channel;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 enum LedState {
@@ -21,9 +21,9 @@ static CHANNEL: Channel<ThreadModeRawMutex, LedState, 1> = Channel::new();
 async fn my_task() {
     loop {
         CHANNEL.send(LedState::On).await;
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
         CHANNEL.send(LedState::Off).await;
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 

examples/nrf52840/src/bin/channel_sender_receiver.rs

@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_nrf::gpio::{AnyPin, Level, Output, OutputDrive, Pin};
 use embassy_sync::blocking_mutex::raw::NoopRawMutex;
 use embassy_sync::channel::{Channel, Receiver, Sender};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -22,9 +22,9 @@ static CHANNEL: StaticCell<Channel<NoopRawMutex, LedState, 1>> = StaticCell::new
 async fn send_task(sender: Sender<'static, NoopRawMutex, LedState, 1>) {
     loop {
         sender.send(LedState::On).await;
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
         sender.send(LedState::Off).await;
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 

examples/nrf52840/src/bin/executor_fairness_test.rs

@@ -7,14 +7,14 @@ use core::task::Poll;
 
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Instant, Timer};
+use embassy_time::{Instant, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::task]
 async fn run1() {
     loop {
         info!("DING DONG");
-        Timer::after(Duration::from_ticks(16000)).await;
+        Timer::after_ticks(16000).await;
     }
 }
 

examples/nrf52840/src/bin/lora_cad.rs

@@ -11,7 +11,7 @@ use embassy_executor::Spawner;
 use embassy_lora::iv::GenericSx126xInterfaceVariant;
 use embassy_nrf::gpio::{Input, Level, Output, OutputDrive, Pin as _, Pull};
 use embassy_nrf::{bind_interrupts, peripherals, spim};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1261_2::SX1261_2;
 use lora_phy::LoRa;
@@ -55,7 +55,7 @@ async fn main(_spawner: Spawner) {
     let mut start_indicator = Output::new(p.P1_04, Level::Low, OutputDrive::Standard);
 
     start_indicator.set_high();
-    Timer::after(Duration::from_secs(5)).await;
+    Timer::after_secs(5).await;
     start_indicator.set_low();
 
     let mdltn_params = {
@@ -89,7 +89,7 @@ async fn main(_spawner: Spawner) {
                 info!("cad successful without activity detected")
             }
             debug_indicator.set_high();
-            Timer::after(Duration::from_secs(5)).await;
+            Timer::after_secs(5).await;
             debug_indicator.set_low();
         }
         Err(err) => info!("cad unsuccessful = {}", err),

examples/nrf52840/src/bin/lora_p2p_receive.rs

@@ -11,7 +11,7 @@ use embassy_executor::Spawner;
 use embassy_lora::iv::GenericSx126xInterfaceVariant;
 use embassy_nrf::gpio::{Input, Level, Output, OutputDrive, Pin as _, Pull};
 use embassy_nrf::{bind_interrupts, peripherals, spim};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1261_2::SX1261_2;
 use lora_phy::LoRa;
@@ -55,7 +55,7 @@ async fn main(_spawner: Spawner) {
     let mut start_indicator = Output::new(p.P1_04, Level::Low, OutputDrive::Standard);
 
     start_indicator.set_high();
-    Timer::after(Duration::from_secs(5)).await;
+    Timer::after_secs(5).await;
     start_indicator.set_low();
 
     let mut receiving_buffer = [00u8; 100];
@@ -107,7 +107,7 @@ async fn main(_spawner: Spawner) {
                 {
                     info!("rx successful");
                     debug_indicator.set_high();
-                    Timer::after(Duration::from_secs(5)).await;
+                    Timer::after_secs(5).await;
                     debug_indicator.set_low();
                 } else {
                     info!("rx unknown packet");

examples/nrf52840/src/bin/lora_p2p_receive_duty_cycle.rs

@@ -11,7 +11,7 @@ use embassy_executor::Spawner;
 use embassy_lora::iv::GenericSx126xInterfaceVariant;
 use embassy_nrf::gpio::{Input, Level, Output, OutputDrive, Pin as _, Pull};
 use embassy_nrf::{bind_interrupts, peripherals, spim};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1261_2::SX1261_2;
 use lora_phy::LoRa;
@@ -55,7 +55,7 @@ async fn main(_spawner: Spawner) {
     let mut start_indicator = Output::new(p.P1_04, Level::Low, OutputDrive::Standard);
 
     start_indicator.set_high();
-    Timer::after(Duration::from_secs(5)).await;
+    Timer::after_secs(5).await;
     start_indicator.set_low();
 
     let mut receiving_buffer = [00u8; 100];
@@ -116,7 +116,7 @@ async fn main(_spawner: Spawner) {
             {
                 info!("rx successful");
                 debug_indicator.set_high();
-                Timer::after(Duration::from_secs(5)).await;
+                Timer::after_secs(5).await;
                 debug_indicator.set_low();
             } else {
                 info!("rx unknown packet")

examples/nrf52840/src/bin/manually_create_executor.rs

@@ -8,7 +8,7 @@
 use cortex_m_rt::entry;
 use defmt::{info, unwrap};
 use embassy_executor::Executor;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -16,7 +16,7 @@ use {defmt_rtt as _, panic_probe as _};
 async fn run1() {
     loop {
         info!("BIG INFREQUENT TICK");
-        Timer::after(Duration::from_ticks(64000)).await;
+        Timer::after_ticks(64000).await;
     }
 }
 
@@ -24,7 +24,7 @@ async fn run1() {
 async fn run2() {
     loop {
         info!("tick");
-        Timer::after(Duration::from_ticks(13000)).await;
+        Timer::after_ticks(13000).await;
     }
 }
 

examples/nrf52840/src/bin/multiprio.rs

@@ -62,7 +62,7 @@ use defmt::{info, unwrap};
 use embassy_executor::{Executor, InterruptExecutor};
 use embassy_nrf::interrupt;
 use embassy_nrf::interrupt::{InterruptExt, Priority};
-use embassy_time::{Duration, Instant, Timer};
+use embassy_time::{Instant, Timer};
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -70,7 +70,7 @@ use {defmt_rtt as _, panic_probe as _};
 async fn run_high() {
     loop {
         info!("        [high] tick!");
-        Timer::after(Duration::from_ticks(27374)).await;
+        Timer::after_ticks(27374).await;
     }
 }
 
@@ -87,7 +87,7 @@ async fn run_med() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("    [med] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(23421)).await;
+        Timer::after_ticks(23421).await;
     }
 }
 
@@ -104,7 +104,7 @@ async fn run_low() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("[low] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(32983)).await;
+        Timer::after_ticks(32983).await;
     }
 }
 

examples/nrf52840/src/bin/mutex.rs

@@ -6,7 +6,7 @@ use defmt::{info, unwrap};
 use embassy_executor::Spawner;
 use embassy_sync::blocking_mutex::raw::ThreadModeRawMutex;
 use embassy_sync::mutex::Mutex;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 static MUTEX: Mutex<ThreadModeRawMutex, u32> = Mutex::new(0);
@@ -20,11 +20,11 @@ async fn my_task() {
             *m += 1000;
 
             // Hold the mutex for a long time.
-            Timer::after(Duration::from_secs(1)).await;
+            Timer::after_secs(1).await;
             info!("end long operation: count = {}", *m);
         }
 
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 
@@ -34,7 +34,7 @@ async fn main(spawner: Spawner) {
     unwrap!(spawner.spawn(my_task()));
 
     loop {
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         let mut m = MUTEX.lock().await;
         *m += 1;
         info!("short operation: count = {}", *m);

examples/nrf52840/src/bin/nvmc.rs

@@ -5,7 +5,7 @@
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
 use embassy_nrf::nvmc::Nvmc;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_storage::nor_flash::{NorFlash, ReadNorFlash};
 use {defmt_rtt as _, panic_probe as _};
 
@@ -15,7 +15,7 @@ async fn main(_spawner: Spawner) {
     info!("Hello NVMC!");
 
     // probe-rs run breaks without this, I'm not sure why.
-    Timer::after(Duration::from_secs(1)).await;
+    Timer::after_secs(1).await;
 
     let mut f = Nvmc::new(p.NVMC);
     const ADDR: u32 = 0x80000;

examples/nrf52840/src/bin/pdm.rs

@@ -6,7 +6,7 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_nrf::pdm::{self, Config, Pdm};
 use embassy_nrf::{bind_interrupts, peripherals};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use fixed::types::I7F1;
 use num_integer::Roots;
 use {defmt_rtt as _, panic_probe as _};
@@ -28,7 +28,7 @@ async fn main(_p: Spawner) {
             pdm.start().await;
 
             // wait some time till the microphon settled
-            Timer::after(Duration::from_millis(1000)).await;
+            Timer::after_millis(1000).await;
 
             const SAMPLES: usize = 2048;
             let mut buf = [0i16; SAMPLES];
@@ -51,7 +51,7 @@ async fn main(_p: Spawner) {
             info!("samples: {:?}", &buf);
 
             pdm.stop().await;
-            Timer::after(Duration::from_millis(100)).await;
+            Timer::after_millis(100).await;
         }
     }
 }

examples/nrf52840/src/bin/pubsub.rs

@@ -6,7 +6,7 @@ use defmt::unwrap;
 use embassy_executor::Spawner;
 use embassy_sync::blocking_mutex::raw::ThreadModeRawMutex;
 use embassy_sync::pubsub::{DynSubscriber, PubSubChannel, Subscriber};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 /// Create the message bus. It has a queue of 4, supports 3 subscribers and 1 publisher
@@ -39,7 +39,7 @@ async fn main(spawner: Spawner) {
 
     let mut index = 0;
     loop {
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         let message = match index % 3 {
             0 => Message::A,
@@ -81,7 +81,7 @@ async fn fast_logger(mut messages: Subscriber<'static, ThreadModeRawMutex, Messa
 async fn slow_logger(mut messages: DynSubscriber<'static, Message>) {
     loop {
         // Do some work
-        Timer::after(Duration::from_millis(2000)).await;
+        Timer::after_millis(2000).await;
 
         // If the publisher has used the `publish_immediate` function, then we may receive a lag message here
         let message = messages.next_message().await;
@@ -98,7 +98,7 @@ async fn slow_logger(mut messages: DynSubscriber<'static, Message>) {
 async fn slow_logger_pure(mut messages: DynSubscriber<'static, Message>) {
     loop {
         // Do some work
-        Timer::after(Duration::from_millis(2000)).await;
+        Timer::after_millis(2000).await;
 
         // Instead of receiving lags here, we just ignore that and read the next message
         let message = messages.next_message_pure().await;

examples/nrf52840/src/bin/pwm.rs

@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_nrf::pwm::{Prescaler, SimplePwm};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 // for i in range(1024): print(int((math.sin(i/512*math.pi)*0.4+0.5)**2*32767), ', ', end='')
@@ -84,6 +84,6 @@ async fn main(_spawner: Spawner) {
         pwm.set_duty(1, DUTY[(i + 256) % 1024]);
         pwm.set_duty(2, DUTY[(i + 512) % 1024]);
         pwm.set_duty(3, DUTY[(i + 768) % 1024]);
-        Timer::after(Duration::from_millis(3)).await;
+        Timer::after_millis(3).await;
     }
 }

examples/nrf52840/src/bin/pwm_double_sequence.rs

@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_nrf::pwm::{
     Config, Prescaler, Sequence, SequenceConfig, SequenceMode, SequencePwm, Sequencer, StartSequence,
 };
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -36,6 +36,6 @@ async fn main(_spawner: Spawner) {
     // we can abort a sequence if we need to before its complete with pwm.stop()
     // or stop is also implicitly called when the pwm peripheral is dropped
     // when it goes out of scope
-    Timer::after(Duration::from_millis(40000)).await;
+    Timer::after_millis(40000).await;
     info!("pwm stopped early!");
 }

examples/nrf52840/src/bin/pwm_sequence.rs

@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_nrf::pwm::{Config, Prescaler, SequenceConfig, SequencePwm, SingleSequenceMode, SingleSequencer};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -31,6 +31,6 @@ async fn main(_spawner: Spawner) {
     // we can abort a sequence if we need to before its complete with pwm.stop()
     // or stop is also implicitly called when the pwm peripheral is dropped
     // when it goes out of scope
-    Timer::after(Duration::from_millis(20000)).await;
+    Timer::after_millis(20000).await;
     info!("pwm stopped early!");
 }

examples/nrf52840/src/bin/pwm_sequence_ws2812b.rs

@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_nrf::pwm::{
     Config, Prescaler, SequenceConfig, SequenceLoad, SequencePwm, SingleSequenceMode, SingleSequencer,
 };
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 // WS2812B LED light demonstration. Drives just one light.
@@ -52,7 +52,7 @@ async fn main(_spawner: Spawner) {
         let sequences = SingleSequencer::new(&mut pwm, &seq_words, seq_config.clone());
         unwrap!(sequences.start(SingleSequenceMode::Times(1)));
 
-        Timer::after(Duration::from_millis(50)).await;
+        Timer::after_millis(50).await;
 
         if bit_value == T0H {
             if color_bit == 20 {

examples/nrf52840/src/bin/pwm_servo.rs

@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_nrf::pwm::{Prescaler, SimplePwm};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -19,29 +19,29 @@ async fn main(_spawner: Spawner) {
     pwm.set_max_duty(2500);
     info!("pwm initialized!");
 
-    Timer::after(Duration::from_millis(5000)).await;
+    Timer::after_millis(5000).await;
 
     // 1ms 0deg (1/.008=125), 1.5ms 90deg (1.5/.008=187.5), 2ms 180deg (2/.008=250),
     loop {
         info!("45 deg");
         // poor mans inverting, subtract our value from max_duty
         pwm.set_duty(0, 2500 - 156);
-        Timer::after(Duration::from_millis(5000)).await;
+        Timer::after_millis(5000).await;
 
         info!("90 deg");
         pwm.set_duty(0, 2500 - 187);
-        Timer::after(Duration::from_millis(5000)).await;
+        Timer::after_millis(5000).await;
 
         info!("135 deg");
         pwm.set_duty(0, 2500 - 218);
-        Timer::after(Duration::from_millis(5000)).await;
+        Timer::after_millis(5000).await;
 
         info!("180 deg");
         pwm.set_duty(0, 2500 - 250);
-        Timer::after(Duration::from_millis(5000)).await;
+        Timer::after_millis(5000).await;
 
         info!("0 deg");
         pwm.set_duty(0, 2500 - 125);
-        Timer::after(Duration::from_millis(5000)).await;
+        Timer::after_millis(5000).await;
     }
 }

examples/nrf52840/src/bin/qspi_lowpower.rs

@@ -8,7 +8,7 @@ use defmt::{info, unwrap};
 use embassy_executor::Spawner;
 use embassy_nrf::qspi::Frequency;
 use embassy_nrf::{bind_interrupts, peripherals, qspi};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 // Workaround for alignment requirements.
@@ -79,6 +79,6 @@ async fn main(_p: Spawner) {
 
         // Sleep for 1 second. The executor ensures the core sleeps with a WFE when it has nothing to do.
         // During this sleep, the nRF chip should only use ~3uA
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }

examples/nrf52840/src/bin/raw_spawn.rs

@@ -7,21 +7,21 @@ use cortex_m_rt::entry;
 use defmt::{info, unwrap};
 use embassy_executor::raw::TaskStorage;
 use embassy_executor::Executor;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
 async fn run1() {
     loop {
         info!("BIG INFREQUENT TICK");
-        Timer::after(Duration::from_ticks(64000)).await;
+        Timer::after_ticks(64000).await;
     }
 }
 
 async fn run2() {
     loop {
         info!("tick");
-        Timer::after(Duration::from_ticks(13000)).await;
+        Timer::after_ticks(13000).await;
     }
 }
 

examples/nrf52840/src/bin/saadc.rs

@@ -6,7 +6,7 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_nrf::saadc::{ChannelConfig, Config, Saadc};
 use embassy_nrf::{bind_interrupts, saadc};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -24,6 +24,6 @@ async fn main(_p: Spawner) {
         let mut buf = [0; 1];
         saadc.sample(&mut buf).await;
         info!("sample: {=i16}", &buf[0]);
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }

examples/nrf52840/src/bin/saadc_continuous.rs

@@ -7,7 +7,6 @@ use embassy_executor::Spawner;
 use embassy_nrf::saadc::{CallbackResult, ChannelConfig, Config, Saadc};
 use embassy_nrf::timer::Frequency;
 use embassy_nrf::{bind_interrupts, saadc};
-use embassy_time::Duration;
 use {defmt_rtt as _, panic_probe as _};
 
 // Demonstrates both continuous sampling and scanning multiple channels driven by a PPI linked timer
@@ -32,7 +31,7 @@ async fn main(_p: Spawner) {
 
     // This delay demonstrates that starting the timer prior to running
     // the task sampler is benign given the calibration that follows.
-    embassy_time::Timer::after(Duration::from_millis(500)).await;
+    embassy_time::Timer::after_millis(500).await;
     saadc.calibrate().await;
 
     let mut bufs = [[[0; 3]; 500]; 2];

examples/nrf52840/src/bin/self_spawn.rs

@@ -4,7 +4,7 @@
 
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 mod config {
@@ -13,7 +13,7 @@ mod config {
 
 #[embassy_executor::task(pool_size = config::MY_TASK_POOL_SIZE)]
 async fn my_task(spawner: Spawner, n: u32) {
-    Timer::after(Duration::from_secs(1)).await;
+    Timer::after_secs(1).await;
     info!("Spawning self! {}", n);
     unwrap!(spawner.spawn(my_task(spawner, n + 1)));
 }

examples/nrf52840/src/bin/self_spawn_current_executor.rs

@@ -4,12 +4,12 @@
 
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::task(pool_size = 2)]
 async fn my_task(n: u32) {
-    Timer::after(Duration::from_secs(1)).await;
+    Timer::after_secs(1).await;
     info!("Spawning self! {}", n);
     unwrap!(Spawner::for_current_executor().await.spawn(my_task(n + 1)));
 }

examples/nrf52840/src/bin/temp.rs

@@ -6,7 +6,7 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_nrf::temp::Temp;
 use embassy_nrf::{bind_interrupts, temp};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -21,6 +21,6 @@ async fn main(_spawner: Spawner) {
     loop {
         let value = temp.read().await;
         info!("temperature: {}℃", value.to_num::<u16>());
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }

examples/nrf52840/src/bin/timer.rs

@@ -4,14 +4,14 @@
 
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::task]
 async fn run1() {
     loop {
         info!("BIG INFREQUENT TICK");
-        Timer::after(Duration::from_ticks(64000)).await;
+        Timer::after_ticks(64000).await;
     }
 }
 
@@ -19,7 +19,7 @@ async fn run1() {
 async fn run2() {
     loop {
         info!("tick");
-        Timer::after(Duration::from_ticks(13000)).await;
+        Timer::after_ticks(13000).await;
     }
 }
 

examples/nrf52840/src/bin/twim_lowpower.rs

@@ -14,7 +14,7 @@ use defmt::*;
 use embassy_executor::Spawner;
 use embassy_nrf::twim::{self, Twim};
 use embassy_nrf::{bind_interrupts, peripherals};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 const ADDRESS: u8 = 0x50;
@@ -48,6 +48,6 @@ async fn main(_p: Spawner) {
 
         // Sleep for 1 second. The executor ensures the core sleeps with a WFE when it has nothing to do.
         // During this sleep, the nRF chip should only use ~3uA
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }

examples/nrf52840/src/bin/usb_hid_mouse.rs

@@ -10,7 +10,7 @@ use embassy_futures::join::join;
 use embassy_nrf::usb::vbus_detect::HardwareVbusDetect;
 use embassy_nrf::usb::Driver;
 use embassy_nrf::{bind_interrupts, pac, peripherals, usb};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embassy_usb::class::hid::{HidWriter, ReportId, RequestHandler, State};
 use embassy_usb::control::OutResponse;
 use embassy_usb::{Builder, Config};
@@ -83,7 +83,7 @@ async fn main(_spawner: Spawner) {
     let hid_fut = async {
         let mut y: i8 = 5;
         loop {
-            Timer::after(Duration::from_millis(500)).await;
+            Timer::after_millis(500).await;
 
             y = -y;
             let report = MouseReport {

examples/nrf5340/src/bin/blinky.rs

@@ -4,7 +4,7 @@
 
 use embassy_executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -14,8 +14,8 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }

examples/rp/src/bin/adc.rs

@@ -10,7 +10,7 @@ use embassy_executor::Spawner;
 use embassy_rp::adc::{Adc, Channel, Config, InterruptHandler};
 use embassy_rp::bind_interrupts;
 use embassy_rp::gpio::Pull;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -36,7 +36,7 @@ async fn main(_spawner: Spawner) {
         info!("Pin 28 ADC: {}", level);
         let temp = adc.read(&mut ts).await.unwrap();
         info!("Temp: {} degrees", convert_to_celsius(temp));
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 

examples/rp/src/bin/blinky.rs

@@ -9,7 +9,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::gpio;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use gpio::{Level, Output};
 use {defmt_rtt as _, panic_probe as _};
 
@@ -21,10 +21,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("led on!");
         led.set_high();
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
 
         info!("led off!");
         led.set_low();
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }

examples/rp/src/bin/ethernet_w5500_tcp_client.rs

@@ -111,7 +111,7 @@ async fn main(spawner: Spawner) {
                 break;
             }
             info!("txd: {}", core::str::from_utf8(msg).unwrap());
-            Timer::after(Duration::from_secs(1)).await;
+            Timer::after_secs(1).await;
         }
     }
 }

examples/rp/src/bin/flash.rs

@@ -8,7 +8,7 @@ use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::flash::{Async, ERASE_SIZE, FLASH_BASE};
 use embassy_rp::peripherals::FLASH;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 const ADDR_OFFSET: u32 = 0x100000;
@@ -23,7 +23,7 @@ async fn main(_spawner: Spawner) {
     // defmt RTT header. Reading that header might touch flash memory, which
     // interferes with flash write operations.
     // https://github.com/knurling-rs/defmt/pull/683
-    Timer::after(Duration::from_millis(10)).await;
+    Timer::after_millis(10).await;
 
     let mut flash = embassy_rp::flash::Flash::<_, Async, FLASH_SIZE>::new(p.FLASH, p.DMA_CH0);
 

examples/rp/src/bin/gpio_async.rs

@@ -9,7 +9,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::gpio;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use gpio::{Input, Level, Output, Pull};
 use {defmt_rtt as _, panic_probe as _};
 
@@ -36,6 +36,6 @@ async fn main(_spawner: Spawner) {
         info!("done wait_for_high. Turn off LED");
         led.set_low();
 
-        Timer::after(Duration::from_secs(2)).await;
+        Timer::after_secs(2).await;
     }
 }

examples/rp/src/bin/gpout.rs

@@ -9,7 +9,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::clocks;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -26,13 +26,13 @@ async fn main(_spawner: Spawner) {
             "Pin 25 is now outputing CLK_SYS/1000, should be toggling at {}",
             gpout3.get_freq()
         );
-        Timer::after(Duration::from_secs(2)).await;
+        Timer::after_secs(2).await;
 
         gpout3.set_src(clocks::GpoutSrc::Ref);
         info!(
             "Pin 25 is now outputing CLK_REF/1000, should be toggling at {}",
             gpout3.get_freq()
         );
-        Timer::after(Duration::from_secs(2)).await;
+        Timer::after_secs(2).await;
     }
 }

examples/rp/src/bin/i2c_async.rs

@@ -12,7 +12,7 @@ use embassy_executor::Spawner;
 use embassy_rp::bind_interrupts;
 use embassy_rp::i2c::{self, Config, InterruptHandler};
 use embassy_rp::peripherals::I2C1;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_hal_async::i2c::I2c;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -106,6 +106,6 @@ async fn main(_spawner: Spawner) {
             }
         }
 
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }

examples/rp/src/bin/i2c_blocking.rs

@@ -10,7 +10,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::i2c::{self, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_hal_1::i2c::I2c;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -70,6 +70,6 @@ async fn main(_spawner: Spawner) {
         info!("portb = {:02x}", portb[0]);
         val = !val;
 
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }

examples/rp/src/bin/i2c_slave.rs

@@ -7,7 +7,7 @@ use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::peripherals::{I2C0, I2C1};
 use embassy_rp::{bind_interrupts, i2c, i2c_slave};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_hal_async::i2c::I2c;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -81,7 +81,7 @@ async fn controller_task(mut con: i2c::I2c<'static, I2C0, i2c::Async>) {
                 Err(e) => error!("Error writing {}", e),
             }
 
-            Timer::after(Duration::from_millis(100)).await;
+            Timer::after_millis(100).await;
         }
         match con.read(DEV_ADDR, &mut resp_buff).await {
             Ok(_) => info!("read response: {}", resp_buff),
@@ -91,7 +91,7 @@ async fn controller_task(mut con: i2c::I2c<'static, I2C0, i2c::Async>) {
             Ok(_) => info!("write_read response: {}", resp_buff),
             Err(e) => error!("Error writing {}", e),
         }
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }
 

examples/rp/src/bin/lora_p2p_receive.rs

@@ -11,7 +11,7 @@ use embassy_executor::Spawner;
 use embassy_lora::iv::GenericSx126xInterfaceVariant;
 use embassy_rp::gpio::{Input, Level, Output, Pin, Pull};
 use embassy_rp::spi::{Config, Spi};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1261_2::SX1261_2;
 use lora_phy::LoRa;
@@ -96,7 +96,7 @@ async fn main(_spawner: Spawner) {
                 {
                     info!("rx successful");
                     debug_indicator.set_high();
-                    Timer::after(Duration::from_secs(5)).await;
+                    Timer::after_secs(5).await;
                     debug_indicator.set_low();
                 } else {
                     info!("rx unknown packet");

examples/rp/src/bin/lora_p2p_send_multicore.rs

@@ -15,7 +15,7 @@ use embassy_rp::peripherals::SPI1;
 use embassy_rp::spi::{Async, Config, Spi};
 use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
 use embassy_sync::channel::Channel;
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1261_2::SX1261_2;
 use lora_phy::LoRa;
@@ -59,7 +59,7 @@ async fn core0_task() {
     info!("Hello from core 0");
     loop {
         CHANNEL.send([0x01u8, 0x02u8, 0x03u8]).await;
-        Timer::after(Duration::from_millis(60 * 1000)).await;
+        Timer::after_millis(60 * 1000).await;
     }
 }
 

examples/rp/src/bin/multicore.rs

@@ -13,7 +13,7 @@ use embassy_rp::multicore::{spawn_core1, Stack};
 use embassy_rp::peripherals::PIN_25;
 use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
 use embassy_sync::channel::Channel;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -46,9 +46,9 @@ async fn core0_task() {
     info!("Hello from core 0");
     loop {
         CHANNEL.send(LedState::On).await;
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
         CHANNEL.send(LedState::Off).await;
-        Timer::after(Duration::from_millis(400)).await;
+        Timer::after_millis(400).await;
     }
 }
 

examples/rp/src/bin/multiprio.rs

@@ -62,7 +62,7 @@ use defmt::{info, unwrap};
 use embassy_executor::{Executor, InterruptExecutor};
 use embassy_rp::interrupt;
 use embassy_rp::interrupt::{InterruptExt, Priority};
-use embassy_time::{Duration, Instant, Timer, TICK_HZ};
+use embassy_time::{Instant, Timer, TICK_HZ};
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -70,7 +70,7 @@ use {defmt_rtt as _, panic_probe as _};
 async fn run_high() {
     loop {
         info!("        [high] tick!");
-        Timer::after(Duration::from_ticks(673740)).await;
+        Timer::after_ticks(673740).await;
     }
 }
 
@@ -87,7 +87,7 @@ async fn run_med() {
         let ms = end.duration_since(start).as_ticks() * 1000 / TICK_HZ;
         info!("    [med] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(53421)).await;
+        Timer::after_ticks(53421).await;
     }
 }
 
@@ -104,7 +104,7 @@ async fn run_low() {
         let ms = end.duration_since(start).as_ticks() * 1000 / TICK_HZ;
         info!("[low] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(82983)).await;
+        Timer::after_ticks(82983).await;
     }
 }
 

examples/rp/src/bin/pio_hd44780.rs

@@ -15,7 +15,7 @@ use embassy_rp::pio::{
 };
 use embassy_rp::pwm::{self, Pwm};
 use embassy_rp::{bind_interrupts, into_ref, Peripheral, PeripheralRef};
-use embassy_time::{Duration, Instant, Timer};
+use embassy_time::{Instant, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(pub struct Irqs {
@@ -66,7 +66,7 @@ async fn main(_spawner: Spawner) {
         let mut buf = Buf([0; 16], 0);
         write!(buf, "up {}s", Instant::now().as_micros() as f32 / 1e6).unwrap();
         hd.add_line(&buf.0[0..buf.1]).await;
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 

examples/rp/src/bin/pio_ws2812.rs

@@ -13,7 +13,7 @@ use embassy_rp::pio::{
     Common, Config, FifoJoin, Instance, InterruptHandler, Pio, PioPin, ShiftConfig, ShiftDirection, StateMachine,
 };
 use embassy_rp::{bind_interrupts, clocks, into_ref, Peripheral, PeripheralRef};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use fixed::types::U24F8;
 use fixed_macro::fixed;
 use smart_leds::RGB8;
@@ -153,7 +153,7 @@ async fn main(_spawner: Spawner) {
             }
             ws2812.write(&data).await;
 
-            Timer::after(Duration::from_millis(10)).await;
+            Timer::after_millis(10).await;
         }
     }
 }

examples/rp/src/bin/pwm.rs

@@ -9,7 +9,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::pwm::{Config, Pwm};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -23,7 +23,7 @@ async fn main(_spawner: Spawner) {
 
     loop {
         info!("current LED duty cycle: {}/32768", c.compare_b);
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
         c.compare_b = c.compare_b.rotate_left(4);
         pwm.set_config(&c);
     }

examples/rp/src/bin/rtc.rs

@@ -7,7 +7,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::rtc::{DateTime, DayOfWeek, Rtc};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -31,7 +31,7 @@ async fn main(_spawner: Spawner) {
         rtc.set_datetime(now).unwrap();
     }
 
-    Timer::after(Duration::from_millis(20000)).await;
+    Timer::after_millis(20000).await;
 
     if let Ok(dt) = rtc.now() {
         info!(
@@ -41,6 +41,6 @@ async fn main(_spawner: Spawner) {
     }
 
     info!("Reboot.");
-    Timer::after(Duration::from_millis(200)).await;
+    Timer::after_millis(200).await;
     cortex_m::peripheral::SCB::sys_reset();
 }

examples/rp/src/bin/spi_async.rs

@@ -8,7 +8,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::spi::{Config, Spi};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -27,6 +27,6 @@ async fn main(_spawner: Spawner) {
         let mut rx_buf = [0_u8; 6];
         spi.transfer(&mut rx_buf, &tx_buf).await.unwrap();
         info!("{:?}", rx_buf);
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }

examples/rp/src/bin/uart_buffered_split.rs

@@ -13,7 +13,7 @@ use embassy_executor::Spawner;
 use embassy_rp::bind_interrupts;
 use embassy_rp::peripherals::UART0;
 use embassy_rp::uart::{BufferedInterruptHandler, BufferedUart, BufferedUartRx, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_io_async::{Read, Write};
 use static_cell::make_static;
 use {defmt_rtt as _, panic_probe as _};
@@ -42,7 +42,7 @@ async fn main(spawner: Spawner) {
         ];
         info!("TX {:?}", data);
         tx.write_all(&data).await.unwrap();
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 

examples/rp/src/bin/uart_unidir.rs

@@ -14,7 +14,7 @@ use embassy_executor::Spawner;
 use embassy_rp::bind_interrupts;
 use embassy_rp::peripherals::UART1;
 use embassy_rp::uart::{Async, Config, InterruptHandler, UartRx, UartTx};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -35,7 +35,7 @@ async fn main(spawner: Spawner) {
         let data = [1u8, 2, 3, 4, 5, 6, 7, 8];
         info!("TX {:?}", data);
         uart_tx.write(&data).await.unwrap();
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 

examples/rp/src/bin/usb_logger.rs

@@ -10,7 +10,7 @@ use embassy_executor::Spawner;
 use embassy_rp::bind_interrupts;
 use embassy_rp::peripherals::USB;
 use embassy_rp::usb::{Driver, InterruptHandler};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -32,6 +32,6 @@ async fn main(spawner: Spawner) {
     loop {
         counter += 1;
         log::info!("Tick {}", counter);
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }

examples/rp/src/bin/watchdog.rs

@@ -24,7 +24,7 @@ async fn main(_spawner: Spawner) {
 
     // Set the LED high for 2 seconds so we know when we're about to start the watchdog
     led.set_high();
-    Timer::after(Duration::from_secs(2)).await;
+    Timer::after_secs(2).await;
 
     // Set to watchdog to reset if it's not fed within 1.05 seconds, and start it
     watchdog.start(Duration::from_millis(1_050));
@@ -33,9 +33,9 @@ async fn main(_spawner: Spawner) {
     // Blink once a second for 5 seconds, feed the watchdog timer once a second to avoid a reset
     for _ in 1..=5 {
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
         info!("Feeding watchdog");
         watchdog.feed();
     }
@@ -45,8 +45,8 @@ async fn main(_spawner: Spawner) {
     // The processor should reset in 1.05 seconds.
     loop {
         led.set_low();
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
         led.set_high();
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }

examples/rp/src/bin/wifi_tcp_server.rs

@@ -105,7 +105,7 @@ async fn main(spawner: Spawner) {
     // Wait for DHCP, not necessary when using static IP
     info!("waiting for DHCP...");
     while !stack.is_config_up() {
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
     info!("DHCP is now up!");
 

examples/std/src/bin/tcp_accept.rs

@@ -100,7 +100,7 @@ async fn main_task(spawner: Spawner) {
                 return;
             }
 
-            Timer::after(Duration::from_millis(500)).await;
+            Timer::after_millis(500).await;
         }
         info!("Closing the connection");
         socket.abort();

examples/std/src/bin/tick.rs

@@ -1,14 +1,14 @@
 #![feature(type_alias_impl_trait)]
 
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use log::*;
 
 #[embassy_executor::task]
 async fn run() {
     loop {
         info!("tick");
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 

examples/stm32c0/src/bin/blinky.rs

@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }

examples/stm32f0/src/bin/adc.rs

@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_stm32::adc::{Adc, SampleTime};
 use embassy_stm32::peripherals::ADC;
 use embassy_stm32::{adc, bind_interrupts};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -36,6 +36,6 @@ async fn main(_spawner: Spawner) {
     loop {
         let v = adc.read(&mut pin).await;
         info!("--> {} - {} mV", v, convert_to_millivolts(v));
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }

examples/stm32f0/src/bin/blinky.rs

@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 // main is itself an async function.
@@ -19,10 +19,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }

examples/stm32f0/src/bin/button_controlled_blink.rs

@@ -10,7 +10,7 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{AnyPin, Input, Level, Output, Pin, Pull, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 static BLINK_MS: AtomicU32 = AtomicU32::new(0);
@@ -24,7 +24,7 @@ async fn led_task(led: AnyPin) {
     loop {
         let del = BLINK_MS.load(Ordering::Relaxed);
         info!("Value of del is {}", del);
-        Timer::after(Duration::from_millis(del.into())).await;
+        Timer::after_millis(del.into()).await;
         info!("LED toggling");
         led.toggle();
     }

examples/stm32f0/src/bin/hello.rs

@@ -4,14 +4,14 @@
 
 use defmt::info;
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) -> ! {
     let _p = embassy_stm32::init(Default::default());
     loop {
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
         info!("Hello");
     }
 }

examples/stm32f0/src/bin/multiprio.rs

@@ -62,7 +62,7 @@ use defmt::*;
 use embassy_executor::{Executor, InterruptExecutor};
 use embassy_stm32::interrupt;
 use embassy_stm32::interrupt::{InterruptExt, Priority};
-use embassy_time::{Duration, Instant, Timer};
+use embassy_time::{Instant, Timer};
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -70,7 +70,7 @@ use {defmt_rtt as _, panic_probe as _};
 async fn run_high() {
     loop {
         // info!("        [high] tick!");
-        Timer::after(Duration::from_ticks(27374)).await;
+        Timer::after_ticks(27374).await;
     }
 }
 
@@ -87,7 +87,7 @@ async fn run_med() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("    [med] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(23421)).await;
+        Timer::after_ticks(23421).await;
     }
 }
 
@@ -104,7 +104,7 @@ async fn run_low() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("[low] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(32983)).await;
+        Timer::after_ticks(32983).await;
     }
 }
 

examples/stm32f0/src/bin/wdg.rs

@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::wdg::IndependentWatchdog;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -19,7 +19,7 @@ async fn main(_spawner: Spawner) {
     wdg.unleash();
 
     loop {
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
         wdg.pet();
     }
 }

examples/stm32f1/src/bin/adc.rs

@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_stm32::adc::Adc;
 use embassy_stm32::peripherals::ADC1;
 use embassy_stm32::{adc, bind_interrupts};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -35,6 +35,6 @@ async fn main(_spawner: Spawner) {
     loop {
         let v = adc.read(&mut pin).await;
         info!("--> {} - {} mV", v, convert_to_millivolts(v));
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }

examples/stm32f1/src/bin/blinky.rs

@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }

examples/stm32f1/src/bin/hello.rs

@@ -6,7 +6,7 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -17,6 +17,6 @@ async fn main(_spawner: Spawner) -> ! {
 
     loop {
         info!("Hello World!");
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }

examples/stm32f1/src/bin/usb_serial.rs

@@ -9,7 +9,7 @@ use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::time::Hertz;
 use embassy_stm32::usb::{Driver, Instance};
 use embassy_stm32::{bind_interrupts, peripherals, usb, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embassy_usb::class::cdc_acm::{CdcAcmClass, State};
 use embassy_usb::driver::EndpointError;
 use embassy_usb::Builder;
@@ -35,7 +35,7 @@ async fn main(_spawner: Spawner) {
         // This forced reset is needed only for development, without it host
         // will not reset your device when you upload new firmware.
         let _dp = Output::new(&mut p.PA12, Level::Low, Speed::Low);
-        Timer::after(Duration::from_millis(10)).await;
+        Timer::after_millis(10).await;
     }
 
     // Create the driver, from the HAL.

examples/stm32f2/src/bin/blinky.rs

@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
     }
 }

examples/stm32f2/src/bin/pll.rs

@@ -11,7 +11,7 @@ use embassy_stm32::rcc::{
 };
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -46,7 +46,7 @@ async fn main(_spawner: Spawner) {
     let _p = embassy_stm32::init(config);
 
     loop {
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
         info!("1s elapsed");
     }
 }

examples/stm32f3/src/bin/blinky.rs

@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
     }
 }

examples/stm32f3/src/bin/button_events.rs

@@ -65,11 +65,11 @@ impl<'a> Leds<'a> {
             for led in &mut self.leds {
                 led.set_high();
             }
-            Timer::after(Duration::from_millis(500)).await;
+            Timer::after_millis(500).await;
             for led in &mut self.leds {
                 led.set_low();
             }
-            Timer::after(Duration::from_millis(200)).await;
+            Timer::after_millis(200).await;
         }
     }
 

examples/stm32f3/src/bin/hello.rs

@@ -6,7 +6,7 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,6 +18,6 @@ async fn main(_spawner: Spawner) -> ! {
 
     loop {
         info!("Hello World!");
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }

examples/stm32f3/src/bin/multiprio.rs

@@ -62,7 +62,7 @@ use defmt::*;
 use embassy_executor::{Executor, InterruptExecutor};
 use embassy_stm32::interrupt;
 use embassy_stm32::interrupt::{InterruptExt, Priority};
-use embassy_time::{Duration, Instant, Timer};
+use embassy_time::{Instant, Timer};
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -70,7 +70,7 @@ use {defmt_rtt as _, panic_probe as _};
 async fn run_high() {
     loop {
         info!("        [high] tick!");
-        Timer::after(Duration::from_ticks(27374)).await;
+        Timer::after_ticks(27374).await;
     }
 }
 
@@ -87,7 +87,7 @@ async fn run_med() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("    [med] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(23421)).await;
+        Timer::after_ticks(23421).await;
     }
 }
 
@@ -104,7 +104,7 @@ async fn run_low() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("[low] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(32983)).await;
+        Timer::after_ticks(32983).await;
     }
 }