Merge branch 'main' of github.com:embassy-rs/embassy into low-power
This commit is contained in:
commit
3f2abd4fd5
@ -62,7 +62,6 @@ embassy-macros = { version = "0.2.1", path = "../embassy-macros" }
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embassy-time = { version = "0.1.5", path = "../embassy-time", optional = true}
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atomic-polyfill = "1.0.1"
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critical-section = "1.1"
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static_cell = "1.1"
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# arch-cortex-m dependencies
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cortex-m = { version = "0.7.6", optional = true }
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@ -47,7 +47,6 @@ pub use spawner::*;
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pub mod _export {
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#[cfg(feature = "rtos-trace")]
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pub use rtos_trace::trace;
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pub use static_cell::StaticCell;
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/// Expands the given block of code when `embassy-executor` is compiled with
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/// the `rtos-trace-interrupt` feature.
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@ -53,8 +53,7 @@ pub fn wasm() -> TokenStream {
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quote! {
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#[wasm_bindgen::prelude::wasm_bindgen(start)]
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pub fn main() -> Result<(), wasm_bindgen::JsValue> {
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static EXECUTOR: ::embassy_executor::_export::StaticCell<::embassy_executor::Executor> = ::embassy_executor::_export::StaticCell::new();
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let executor = EXECUTOR.init(::embassy_executor::Executor::new());
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let executor = ::std::boxed::Box::leak(::std::boxed::Box::new(::embassy_executor::Executor::new()));
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executor.start(|spawner| {
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spawner.spawn(__embassy_main(spawner)).unwrap();
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@ -22,9 +22,7 @@ embassy-futures = { version = "0.1.0", path = "../embassy-futures" }
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bitfield = "0.14.0"
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[dev-dependencies]
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# reenable when https://github.com/dbrgn/embedded-hal-mock/pull/86 is merged.
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#embedded-hal-mock = { git = "https://github.com/dbrgn/embedded-hal-mock", branch = "1-alpha", features = ["embedded-hal-async", "eh1"] }] }
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embedded-hal-mock = { git = "https://github.com/newAM/embedded-hal-mock", branch = "eh1-rc.1", features = ["embedded-hal-async", "eh1"] }
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embedded-hal-mock = { version = "=0.10.0-rc.1", features = ["embedded-hal-async", "eh1"] }
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crc = "3.0.1"
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env_logger = "0.10"
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critical-section = { version = "1.1.2", features = ["std"] }
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@ -95,4 +95,4 @@ rp2040-boot2 = "0.3"
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[dev-dependencies]
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embassy-executor = { version = "0.3.1", path = "../embassy-executor", features = ["nightly", "arch-std", "executor-thread"] }
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static_cell = "1.1"
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static_cell = { version = "2" }
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@ -1,3 +1,50 @@
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/// The STM32 line of microcontrollers support various deep-sleep modes which exploit clock-gating
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/// to reduce power consumption. `embassy-stm32` provides a low-power executor, [`Executor`] which
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/// can use knowledge of which peripherals are currently blocked upon to transparently and safely
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/// enter such low-power modes (currently, only `STOP2`) when idle.
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///
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/// The executor determines which peripherals are active by their RCC state; consequently,
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/// low-power states can only be entered if all peripherals have been `drop`'d. There are a few
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/// exceptions to this rule:
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///
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/// * `GPIO`
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/// * `RCC`
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///
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/// Since entering and leaving low-power modes typically incurs a significant latency, the
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/// low-power executor will only attempt to enter when the next timer event is at least
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/// [`time_driver::MIN_STOP_PAUSE`] in the future.
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///
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/// Currently there is no macro analogous to `embassy_executor::main` for this executor;
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/// consequently one must define their entrypoint manually. Moveover, you must relinquish control
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/// of the `RTC` peripheral to the executor. This will typically look like
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///
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/// ```rust,no_run
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/// use embassy_executor::Spawner;
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/// use embassy_stm32::low_power::Executor;
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/// use embassy_stm32::rtc::{Rtc, RtcConfig};
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/// use static_cell::make_static;
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///
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/// #[cortex_m_rt::entry]
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/// fn main() -> ! {
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/// Executor::take().run(|spawner| {
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/// unwrap!(spawner.spawn(async_main(spawner)));
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/// });
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/// }
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///
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/// #[embassy_executor::task]
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/// async fn async_main(spawner: Spawner) {
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/// // initialize the platform...
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/// let mut config = embassy_stm32::Config::default();
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/// let p = embassy_stm32::init(config);
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///
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/// // give the RTC to the executor...
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/// let mut rtc = Rtc::new(p.RTC, RtcConfig::default());
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/// let rtc = make_static!(rtc);
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/// embassy_stm32::low_power::stop_with_rtc(rtc);
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///
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/// // your application here...
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/// }
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/// ```
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use core::arch::asm;
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use core::marker::PhantomData;
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use core::sync::atomic::{compiler_fence, Ordering};
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@ -67,7 +114,7 @@ pub struct Executor {
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impl Executor {
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/// Create a new Executor.
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pub fn take() -> &'static mut Self {
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unsafe {
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critical_section::with(|_| unsafe {
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assert!(EXECUTOR.is_none());
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EXECUTOR = Some(Self {
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@ -78,7 +125,7 @@ impl Executor {
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});
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EXECUTOR.as_mut().unwrap()
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}
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})
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}
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unsafe fn on_wakeup_irq(&mut self) {
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@ -152,9 +152,9 @@ pub(crate) unsafe fn init(config: Config) {
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source: config.pll_src,
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};
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let pll = init_pll(PllInstance::Pll, config.pll, &pll_input);
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#[cfg(any(all(stm32f4, not(any(stm32f410, stm32f429))), stm32f7))]
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#[cfg(any(all(stm32f4, not(stm32f410)), stm32f7))]
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let _plli2s = init_pll(PllInstance::Plli2s, config.plli2s, &pll_input);
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#[cfg(all(any(stm32f446, stm32f427, stm32f437, stm32f4x9, stm32f7), not(stm32f429)))]
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#[cfg(any(stm32f446, stm32f427, stm32f437, stm32f4x9, stm32f7))]
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let _pllsai = init_pll(PllInstance::Pllsai, config.pllsai, &pll_input);
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// Configure sysclk
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@ -197,25 +197,15 @@ pub(crate) unsafe fn init(config: Config) {
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pclk2_tim,
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rtc,
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pll1_q: pll.q,
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#[cfg(all(rcc_f4, not(any(stm32f410, stm32f429))))]
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#[cfg(all(rcc_f4, not(stm32f410)))]
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plli2s1_q: _plli2s.q,
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#[cfg(all(rcc_f4, not(any(stm32f410, stm32f429))))]
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#[cfg(all(rcc_f4, not(stm32f410)))]
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plli2s1_r: _plli2s.r,
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#[cfg(stm32f429)]
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plli2s1_q: None,
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#[cfg(stm32f429)]
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plli2s1_r: None,
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#[cfg(any(stm32f427, stm32f437, stm32f439, stm32f446, stm32f469, stm32f479))]
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#[cfg(any(stm32f427, stm32f429, stm32f437, stm32f439, stm32f446, stm32f469, stm32f479))]
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pllsai1_q: _pllsai.q,
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#[cfg(any(stm32f427, stm32f437, stm32f439, stm32f446, stm32f469, stm32f479))]
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#[cfg(any(stm32f427, stm32f429, stm32f437, stm32f439, stm32f446, stm32f469, stm32f479))]
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pllsai1_r: _pllsai.r,
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#[cfg(stm32f429)]
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pllsai1_q: None,
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#[cfg(stm32f429)]
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pllsai1_r: None,
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});
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}
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@ -233,7 +223,6 @@ struct PllOutput {
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r: Option<Hertz>,
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}
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#[allow(dead_code)]
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#[derive(PartialEq, Eq, Clone, Copy)]
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enum PllInstance {
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Pll,
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@ -18,10 +18,14 @@ pub struct RtcInstant {
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}
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impl RtcInstant {
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#[allow(dead_code)]
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pub(super) fn from(second: u8, subsecond: u16) -> Result<Self, super::RtcError> {
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#[cfg(not(rtc_v2f2))]
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pub(super) const fn from(second: u8, subsecond: u16) -> Result<Self, Error> {
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if second > 59 {
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Err(Error::InvalidSecond)
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} else {
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Ok(Self { second, subsecond })
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}
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}
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}
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#[cfg(feature = "defmt")]
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@ -226,7 +230,7 @@ impl From<DayOfWeek> for chrono::Weekday {
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}
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}
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fn day_of_week_from_u8(v: u8) -> Result<DayOfWeek, Error> {
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pub(super) const fn day_of_week_from_u8(v: u8) -> Result<DayOfWeek, Error> {
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Ok(match v {
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1 => DayOfWeek::Monday,
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2 => DayOfWeek::Tuesday,
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@ -239,24 +243,6 @@ fn day_of_week_from_u8(v: u8) -> Result<DayOfWeek, Error> {
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})
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}
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pub(super) fn day_of_week_to_u8(dotw: DayOfWeek) -> u8 {
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pub(super) const fn day_of_week_to_u8(dotw: DayOfWeek) -> u8 {
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dotw as u8
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}
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pub(super) fn validate_datetime(dt: &DateTime) -> Result<(), Error> {
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if dt.year > 4095 {
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Err(Error::InvalidYear)
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} else if dt.month < 1 || dt.month > 12 {
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Err(Error::InvalidMonth)
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} else if dt.day < 1 || dt.day > 31 {
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Err(Error::InvalidDay)
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} else if dt.hour > 23 {
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Err(Error::InvalidHour)
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} else if dt.minute > 59 {
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Err(Error::InvalidMinute)
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} else if dt.second > 59 {
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Err(Error::InvalidSecond)
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} else {
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Ok(())
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}
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}
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@ -9,8 +9,11 @@ use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
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#[cfg(feature = "low-power")]
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use embassy_sync::blocking_mutex::Mutex;
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pub use self::datetime::{DateTime, DayOfWeek, Error as DateTimeError, RtcInstant};
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use crate::rtc::datetime::day_of_week_to_u8;
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use self::datetime::day_of_week_to_u8;
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#[cfg(not(rtc_v2f2))]
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use self::datetime::RtcInstant;
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pub use self::datetime::{DateTime, DayOfWeek, Error as DateTimeError};
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use crate::pac::rtc::regs::{Dr, Tr};
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use crate::time::Hertz;
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/// refer to AN4759 to compare features of RTC2 and RTC3
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@ -31,11 +34,15 @@ use crate::peripherals::RTC;
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use crate::rtc::sealed::Instance;
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/// Errors that can occur on methods on [RtcClock]
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#[non_exhaustive]
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#[derive(Clone, Debug, PartialEq, Eq)]
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pub enum RtcError {
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/// An invalid DateTime was given or stored on the hardware.
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InvalidDateTime(DateTimeError),
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/// The current time could not be read
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ReadFailure,
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/// The RTC clock is not running
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NotRunning,
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}
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@ -45,24 +52,22 @@ pub struct RtcTimeProvider {
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}
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impl RtcTimeProvider {
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#[cfg(not(rtc_v2f2))]
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pub(crate) fn instant(&self) -> Result<RtcInstant, RtcError> {
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self.read(|_, tr, ss| {
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let second = bcd2_to_byte((tr.st(), tr.su()));
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RtcInstant::from(second, ss).map_err(RtcError::InvalidDateTime)
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||||
})
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}
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/// Return the current datetime.
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///
|
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/// # Errors
|
||||
///
|
||||
/// Will return an `RtcError::InvalidDateTime` if the stored value in the system is not a valid [`DayOfWeek`].
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||||
pub fn now(&self) -> Result<DateTime, RtcError> {
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// For RM0433 we use BYPSHAD=1 to work around errata ES0392 2.19.1
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||||
#[cfg(rcc_h7rm0433)]
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loop {
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let r = RTC::regs();
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let ss = r.ssr().read().ss();
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||||
let dr = r.dr().read();
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||||
let tr = r.tr().read();
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||||
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||||
// If an RTCCLK edge occurs during read we may see inconsistent values
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||||
// so read ssr again and see if it has changed. (see RM0433 Rev 7 46.3.9)
|
||||
let ss_after = r.ssr().read().ss();
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||||
if ss == ss_after {
|
||||
self.read(|dr, tr, _| {
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||||
let second = bcd2_to_byte((tr.st(), tr.su()));
|
||||
let minute = bcd2_to_byte((tr.mnt(), tr.mnu()));
|
||||
let hour = bcd2_to_byte((tr.ht(), tr.hu()));
|
||||
@ -72,29 +77,34 @@ impl RtcTimeProvider {
|
||||
let month = bcd2_to_byte((dr.mt() as u8, dr.mu()));
|
||||
let year = bcd2_to_byte((dr.yt(), dr.yu())) as u16 + 1970_u16;
|
||||
|
||||
return DateTime::from(year, month, day, weekday, hour, minute, second)
|
||||
.map_err(RtcError::InvalidDateTime);
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(not(rcc_h7rm0433))]
|
||||
{
|
||||
let r = RTC::regs();
|
||||
let tr = r.tr().read();
|
||||
let second = bcd2_to_byte((tr.st(), tr.su()));
|
||||
let minute = bcd2_to_byte((tr.mnt(), tr.mnu()));
|
||||
let hour = bcd2_to_byte((tr.ht(), tr.hu()));
|
||||
// Reading either RTC_SSR or RTC_TR locks the values in the higher-order
|
||||
// calendar shadow registers until RTC_DR is read.
|
||||
let dr = r.dr().read();
|
||||
|
||||
let weekday = dr.wdu();
|
||||
let day = bcd2_to_byte((dr.dt(), dr.du()));
|
||||
let month = bcd2_to_byte((dr.mt() as u8, dr.mu()));
|
||||
let year = bcd2_to_byte((dr.yt(), dr.yu())) as u16 + 1970_u16;
|
||||
|
||||
DateTime::from(year, month, day, weekday, hour, minute, second).map_err(RtcError::InvalidDateTime)
|
||||
})
|
||||
}
|
||||
|
||||
fn read<R>(&self, mut f: impl FnMut(Dr, Tr, u16) -> Result<R, RtcError>) -> Result<R, RtcError> {
|
||||
let r = RTC::regs();
|
||||
|
||||
#[cfg(not(rtc_v2f2))]
|
||||
let read_ss = || r.ssr().read().ss();
|
||||
#[cfg(rtc_v2f2)]
|
||||
let read_ss = || 0;
|
||||
|
||||
let mut ss = read_ss();
|
||||
for _ in 0..5 {
|
||||
let tr = r.tr().read();
|
||||
let dr = r.dr().read();
|
||||
let ss_after = read_ss();
|
||||
|
||||
// If an RTCCLK edge occurs during read we may see inconsistent values
|
||||
// so read ssr again and see if it has changed. (see RM0433 Rev 7 46.3.9)
|
||||
if ss == ss_after {
|
||||
return f(dr, tr, ss.try_into().unwrap());
|
||||
} else {
|
||||
ss = ss_after
|
||||
}
|
||||
}
|
||||
|
||||
return Err(RtcError::ReadFailure);
|
||||
}
|
||||
}
|
||||
|
||||
@ -158,6 +168,14 @@ impl Rtc {
|
||||
|
||||
this.configure(async_psc, sync_psc);
|
||||
|
||||
// Wait for the clock to update after initialization
|
||||
#[cfg(not(rtc_v2f2))]
|
||||
{
|
||||
let now = this.instant().unwrap();
|
||||
|
||||
while this.instant().unwrap().subsecond == now.subsecond {}
|
||||
}
|
||||
|
||||
this
|
||||
}
|
||||
|
||||
@ -177,7 +195,6 @@ impl Rtc {
|
||||
///
|
||||
/// Will return `RtcError::InvalidDateTime` if the datetime is not a valid range.
|
||||
pub fn set_datetime(&mut self, t: DateTime) -> Result<(), RtcError> {
|
||||
self::datetime::validate_datetime(&t).map_err(RtcError::InvalidDateTime)?;
|
||||
self.write(true, |rtc| {
|
||||
let (ht, hu) = byte_to_bcd2(t.hour() as u8);
|
||||
let (mnt, mnu) = byte_to_bcd2(t.minute() as u8);
|
||||
@ -217,16 +234,8 @@ impl Rtc {
|
||||
|
||||
#[cfg(not(rtc_v2f2))]
|
||||
/// Return the current instant.
|
||||
pub fn instant(&self) -> Result<RtcInstant, RtcError> {
|
||||
let r = RTC::regs();
|
||||
let tr = r.tr().read();
|
||||
let subsecond = r.ssr().read().ss();
|
||||
let second = bcd2_to_byte((tr.st(), tr.su()));
|
||||
|
||||
// Unlock the registers
|
||||
r.dr().read();
|
||||
|
||||
RtcInstant::from(second, subsecond.try_into().unwrap())
|
||||
fn instant(&self) -> Result<RtcInstant, RtcError> {
|
||||
self.time_provider().instant()
|
||||
}
|
||||
|
||||
/// Return the current datetime.
|
||||
|
@ -150,14 +150,14 @@ impl super::Rtc {
|
||||
pub(super) fn configure(&mut self, async_psc: u8, sync_psc: u16) {
|
||||
self.write(true, |rtc| {
|
||||
rtc.cr().modify(|w| {
|
||||
#[cfg(not(rtc_v2f2))]
|
||||
w.set_bypshad(true);
|
||||
#[cfg(rtc_v2f2)]
|
||||
w.set_fmt(false);
|
||||
#[cfg(not(rtc_v2f2))]
|
||||
w.set_fmt(stm32_metapac::rtc::vals::Fmt::TWENTY_FOUR_HOUR);
|
||||
w.set_osel(Osel::DISABLED);
|
||||
w.set_pol(Pol::HIGH);
|
||||
#[cfg(rcc_h7rm0433)]
|
||||
w.set_bypshad(true);
|
||||
});
|
||||
|
||||
rtc.prer().modify(|w| {
|
||||
|
@ -11,6 +11,7 @@ impl super::Rtc {
|
||||
pub(super) fn configure(&mut self, async_psc: u8, sync_psc: u16) {
|
||||
self.write(true, |rtc| {
|
||||
rtc.cr().modify(|w| {
|
||||
w.set_bypshad(true);
|
||||
w.set_fmt(Fmt::TWENTYFOURHOUR);
|
||||
w.set_osel(Osel::DISABLED);
|
||||
w.set_pol(Pol::HIGH);
|
||||
|
@ -345,6 +345,10 @@ impl RtcDriver {
|
||||
});
|
||||
}
|
||||
|
||||
#[cfg(feature = "low-power")]
|
||||
/// The minimum pause time beyond which the executor will enter a low-power state.
|
||||
pub(crate) const MIN_STOP_PAUSE: embassy_time::Duration = embassy_time::Duration::from_millis(250);
|
||||
|
||||
#[cfg(feature = "low-power")]
|
||||
/// Pause the timer if ready; return err if not
|
||||
pub(crate) fn pause_time(&self) -> Result<(), ()> {
|
||||
@ -357,7 +361,7 @@ impl RtcDriver {
|
||||
self.stop_wakeup_alarm(cs);
|
||||
|
||||
let time_until_next_alarm = self.time_until_next_alarm(cs);
|
||||
if time_until_next_alarm < embassy_time::Duration::from_millis(250) {
|
||||
if time_until_next_alarm < Self::MIN_STOP_PAUSE {
|
||||
Err(())
|
||||
} else {
|
||||
self.rtc
|
||||
|
@ -45,4 +45,4 @@ futures-util = { version = "0.3.17", features = [ "channel" ] }
|
||||
|
||||
# Enable critical-section implementation for std, for tests
|
||||
critical-section = { version = "1.1", features = ["std"] }
|
||||
static_cell = "1.1"
|
||||
static_cell = { version = "2" }
|
||||
|
@ -13,6 +13,6 @@ embassy-usb = { version = "0.1.0", path = "../embassy-usb" }
|
||||
embassy-sync = { version = "0.4.0", path = "../embassy-sync" }
|
||||
embassy-futures = { version = "0.1.0", path = "../embassy-futures" }
|
||||
futures = { version = "0.3", default-features = false }
|
||||
static_cell = "1"
|
||||
static_cell = { version = "2" }
|
||||
usbd-hid = "0.6.0"
|
||||
log = "0.4"
|
||||
|
@ -48,7 +48,7 @@ defmt = "0.3"
|
||||
defmt-rtt = "0.4"
|
||||
|
||||
fixed = "1.10.0"
|
||||
static_cell = "1.1"
|
||||
static_cell = { version = "2" }
|
||||
cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
|
||||
cortex-m-rt = "0.7.0"
|
||||
panic-probe = { version = "0.3", features = ["print-defmt"] }
|
||||
|
@ -42,7 +42,7 @@ embedded-io-async = { version = "0.6.0" }
|
||||
defmt = "0.3"
|
||||
defmt-rtt = "0.4"
|
||||
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
|
||||
cortex-m-rt = "0.7.0"
|
||||
panic-probe = { version = "0.3", features = ["print-defmt"] }
|
||||
|
@ -47,7 +47,8 @@ embedded-hal-async = "1.0.0-rc.1"
|
||||
embedded-hal-bus = { version = "0.1.0-rc.1", features = ["async"] }
|
||||
embedded-io-async = { version = "0.6.0", features = ["defmt-03"] }
|
||||
embedded-storage = { version = "0.3" }
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
portable-atomic = { version = "1.5", features = ["critical-section"] }
|
||||
log = "0.4"
|
||||
pio-proc = "0.2"
|
||||
pio = "0.2.1"
|
||||
|
81
examples/rp/src/bin/pio_rotary_encoder.rs
Normal file
81
examples/rp/src/bin/pio_rotary_encoder.rs
Normal file
@ -0,0 +1,81 @@
|
||||
//! This example shows how to use the PIO module in the RP2040 to read a quadrature rotary encoder.
|
||||
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
#![feature(type_alias_impl_trait)]
|
||||
|
||||
use defmt::info;
|
||||
use embassy_executor::Spawner;
|
||||
use embassy_rp::gpio::Pull;
|
||||
use embassy_rp::peripherals::PIO0;
|
||||
use embassy_rp::{bind_interrupts, pio};
|
||||
use fixed::traits::ToFixed;
|
||||
use pio::{Common, Config, FifoJoin, Instance, InterruptHandler, Pio, PioPin, ShiftDirection, StateMachine};
|
||||
use {defmt_rtt as _, panic_probe as _};
|
||||
|
||||
bind_interrupts!(struct Irqs {
|
||||
PIO0_IRQ_0 => InterruptHandler<PIO0>;
|
||||
});
|
||||
|
||||
pub struct PioEncoder<'d, T: Instance, const SM: usize> {
|
||||
sm: StateMachine<'d, T, SM>,
|
||||
}
|
||||
|
||||
impl<'d, T: Instance, const SM: usize> PioEncoder<'d, T, SM> {
|
||||
pub fn new(
|
||||
pio: &mut Common<'d, T>,
|
||||
mut sm: StateMachine<'d, T, SM>,
|
||||
pin_a: impl PioPin,
|
||||
pin_b: impl PioPin,
|
||||
) -> Self {
|
||||
let mut pin_a = pio.make_pio_pin(pin_a);
|
||||
let mut pin_b = pio.make_pio_pin(pin_b);
|
||||
pin_a.set_pull(Pull::Up);
|
||||
pin_b.set_pull(Pull::Up);
|
||||
sm.set_pin_dirs(pio::Direction::In, &[&pin_a, &pin_b]);
|
||||
|
||||
let prg = pio_proc::pio_asm!("wait 1 pin 1", "wait 0 pin 1", "in pins, 2", "push",);
|
||||
|
||||
let mut cfg = Config::default();
|
||||
cfg.set_in_pins(&[&pin_a, &pin_b]);
|
||||
cfg.fifo_join = FifoJoin::RxOnly;
|
||||
cfg.shift_in.direction = ShiftDirection::Left;
|
||||
cfg.clock_divider = 10_000.to_fixed();
|
||||
cfg.use_program(&pio.load_program(&prg.program), &[]);
|
||||
sm.set_config(&cfg);
|
||||
sm.set_enable(true);
|
||||
Self { sm }
|
||||
}
|
||||
|
||||
pub async fn read(&mut self) -> Direction {
|
||||
loop {
|
||||
match self.sm.rx().wait_pull().await {
|
||||
0 => return Direction::CounterClockwise,
|
||||
1 => return Direction::Clockwise,
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub enum Direction {
|
||||
Clockwise,
|
||||
CounterClockwise,
|
||||
}
|
||||
|
||||
#[embassy_executor::main]
|
||||
async fn main(_spawner: Spawner) {
|
||||
let p = embassy_rp::init(Default::default());
|
||||
let Pio { mut common, sm0, .. } = Pio::new(p.PIO0, Irqs);
|
||||
|
||||
let mut encoder = PioEncoder::new(&mut common, sm0, p.PIN_4, p.PIN_5);
|
||||
|
||||
let mut count = 0;
|
||||
loop {
|
||||
info!("Count: {}", count);
|
||||
count += match encoder.read().await {
|
||||
Direction::Clockwise => 1,
|
||||
Direction::CounterClockwise => -1,
|
||||
};
|
||||
}
|
||||
}
|
26
examples/rp/src/bin/pwm_input.rs
Normal file
26
examples/rp/src/bin/pwm_input.rs
Normal file
@ -0,0 +1,26 @@
|
||||
//! This example shows how to use the PWM module to measure the frequency of an input signal.
|
||||
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
#![feature(type_alias_impl_trait)]
|
||||
|
||||
use defmt::*;
|
||||
use embassy_executor::Spawner;
|
||||
use embassy_rp::pwm::{Config, InputMode, Pwm};
|
||||
use embassy_time::{Duration, Ticker};
|
||||
use {defmt_rtt as _, panic_probe as _};
|
||||
|
||||
#[embassy_executor::main]
|
||||
async fn main(_spawner: Spawner) {
|
||||
let p = embassy_rp::init(Default::default());
|
||||
|
||||
let cfg: Config = Default::default();
|
||||
let pwm = Pwm::new_input(p.PWM_CH2, p.PIN_5, InputMode::RisingEdge, cfg);
|
||||
|
||||
let mut ticker = Ticker::every(Duration::from_secs(1));
|
||||
loop {
|
||||
info!("Input frequency: {} Hz", pwm.counter());
|
||||
pwm.set_counter(0);
|
||||
ticker.next().await;
|
||||
}
|
||||
}
|
@ -24,7 +24,7 @@ nix = "0.26.2"
|
||||
clap = { version = "3.0.0-beta.5", features = ["derive"] }
|
||||
rand_core = { version = "0.6.3", features = ["std"] }
|
||||
heapless = { version = "0.7.5", default-features = false }
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
|
||||
[profile.release]
|
||||
debug = 2
|
||||
|
@ -17,7 +17,8 @@ panic-probe = "0.3"
|
||||
embassy-sync = { version = "0.4.0", path = "../../embassy-sync", features = ["defmt"] }
|
||||
embassy-executor = { version = "0.3.1", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
|
||||
embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
portable-atomic = { version = "1.5", features = ["unsafe-assume-single-core"] }
|
||||
|
||||
[profile.release]
|
||||
debug = 2
|
||||
|
@ -24,7 +24,7 @@ futures = { version = "0.3.17", default-features = false, features = ["async-awa
|
||||
heapless = { version = "0.7.5", default-features = false }
|
||||
nb = "1.0.0"
|
||||
embedded-storage = "0.3.0"
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
|
||||
[profile.release]
|
||||
debug = 2
|
||||
|
@ -23,4 +23,4 @@ futures = { version = "0.3.17", default-features = false, features = ["async-awa
|
||||
heapless = { version = "0.7.5", default-features = false }
|
||||
nb = "1.0.0"
|
||||
embedded-storage = "0.3.0"
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
|
@ -27,7 +27,7 @@ heapless = { version = "0.7.5", default-features = false }
|
||||
nb = "1.0.0"
|
||||
embedded-storage = "0.3.0"
|
||||
micromath = "2.0.0"
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
chrono = { version = "^0.4", default-features = false}
|
||||
|
||||
[profile.release]
|
||||
|
@ -27,7 +27,7 @@ nb = "1.0.0"
|
||||
rand_core = "0.6.3"
|
||||
critical-section = "1.1"
|
||||
embedded-storage = "0.3.0"
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
|
||||
[profile.release]
|
||||
debug = 2
|
||||
|
@ -20,6 +20,7 @@ embedded-hal = "0.2.6"
|
||||
panic-probe = { version = "0.3", features = ["print-defmt"] }
|
||||
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
|
||||
heapless = { version = "0.7.5", default-features = false }
|
||||
portable-atomic = { version = "1.5", features = ["unsafe-assume-single-core"] }
|
||||
|
||||
[profile.release]
|
||||
debug = 2
|
||||
|
@ -31,7 +31,7 @@ critical-section = "1.1"
|
||||
micromath = "2.0.0"
|
||||
stm32-fmc = "0.3.0"
|
||||
embedded-storage = "0.3.0"
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
|
||||
# cargo build/run
|
||||
[profile.dev]
|
||||
|
@ -31,7 +31,7 @@ critical-section = "1.1"
|
||||
micromath = "2.0.0"
|
||||
stm32-fmc = "0.3.0"
|
||||
embedded-storage = "0.3.0"
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
chrono = { version = "^0.4", default-features = false }
|
||||
|
||||
# cargo build/run
|
||||
|
@ -33,7 +33,8 @@ panic-probe = { version = "0.3", features = ["print-defmt"] }
|
||||
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
|
||||
heapless = { version = "0.7.5", default-features = false }
|
||||
embedded-hal = "0.2.6"
|
||||
static_cell = "1.1"
|
||||
static_cell = { version = "2" }
|
||||
portable-atomic = { version = "1.5", features = ["unsafe-assume-single-core"] }
|
||||
|
||||
[profile.release]
|
||||
debug = 2
|
||||
|
@ -32,7 +32,7 @@ futures = { version = "0.3.17", default-features = false, features = ["async-awa
|
||||
heapless = { version = "0.7.5", default-features = false }
|
||||
chrono = { version = "^0.4", default-features = false }
|
||||
rand = { version = "0.8.5", default-features = false }
|
||||
static_cell = {version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
|
||||
micromath = "2.0.0"
|
||||
|
||||
|
@ -26,7 +26,7 @@ futures = { version = "0.3.17", default-features = false, features = ["async-awa
|
||||
heapless = { version = "0.7.5", default-features = false }
|
||||
rand_core = { version = "0.6.3", default-features = false }
|
||||
embedded-io-async = { version = "0.6.0" }
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
|
||||
[profile.release]
|
||||
debug = 2
|
||||
|
@ -22,7 +22,7 @@ embedded-hal = "0.2.6"
|
||||
panic-probe = { version = "0.3", features = ["print-defmt"] }
|
||||
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
|
||||
heapless = { version = "0.7.5", default-features = false }
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
|
||||
[features]
|
||||
default = ["ble", "mac"]
|
||||
|
@ -20,7 +20,7 @@ embedded-hal = "0.2.6"
|
||||
panic-probe = { version = "0.3", features = ["print-defmt"] }
|
||||
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
|
||||
heapless = { version = "0.7.5", default-features = false }
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
|
||||
[profile.release]
|
||||
debug = 2
|
||||
|
@ -18,7 +18,7 @@ embassy-net-esp-hosted = { version = "0.1.0", path = "../../embassy-net-esp-host
|
||||
embassy-net-enc28j60 = { version = "0.1.0", path = "../../embassy-net-enc28j60", features = ["defmt"] }
|
||||
embedded-hal-async = { version = "1.0.0-rc.1" }
|
||||
embedded-hal-bus = { version = "0.1.0-rc.1", features = ["async"] }
|
||||
static_cell = { version = "1.1", features = [ "nightly" ] }
|
||||
static_cell = { version = "2", features = [ "nightly" ] }
|
||||
perf-client = { path = "../perf-client" }
|
||||
|
||||
defmt = "0.3"
|
||||
|
@ -31,7 +31,8 @@ panic-probe = { version = "0.3.0", features = ["print-defmt"] }
|
||||
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
|
||||
embedded-io-async = { version = "0.6.0" }
|
||||
embedded-storage = { version = "0.3" }
|
||||
static_cell = { version = "1.1", features = ["nightly"]}
|
||||
static_cell = { version = "2", features = ["nightly"]}
|
||||
portable-atomic = { version = "1.5", features = ["critical-section"] }
|
||||
pio = "0.2"
|
||||
pio-proc = "0.2"
|
||||
rand = { version = "0.8.5", default-features = false }
|
||||
|
@ -5,12 +5,12 @@ teleprobe_meta::target!(b"rpi-pico");
|
||||
|
||||
use defmt::{info, unwrap};
|
||||
use embassy_executor::Executor;
|
||||
use embassy_executor::_export::StaticCell;
|
||||
use embassy_rp::gpio::{Input, Level, Output, Pull};
|
||||
use embassy_rp::multicore::{spawn_core1, Stack};
|
||||
use embassy_rp::peripherals::{PIN_0, PIN_1};
|
||||
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
|
||||
use embassy_sync::channel::Channel;
|
||||
use static_cell::StaticCell;
|
||||
use {defmt_rtt as _, panic_probe as _};
|
||||
|
||||
static mut CORE1_STACK: Stack<1024> = Stack::new();
|
||||
|
@ -5,12 +5,12 @@ teleprobe_meta::target!(b"rpi-pico");
|
||||
|
||||
use defmt::{assert_eq, info, panic, unwrap};
|
||||
use embassy_executor::Executor;
|
||||
use embassy_executor::_export::StaticCell;
|
||||
use embassy_rp::multicore::{spawn_core1, Stack};
|
||||
use embassy_rp::peripherals::{I2C0, I2C1};
|
||||
use embassy_rp::{bind_interrupts, i2c, i2c_slave};
|
||||
use embedded_hal_1::i2c::Operation;
|
||||
use embedded_hal_async::i2c::I2c;
|
||||
use static_cell::StaticCell;
|
||||
use {defmt_rtt as _, panic_probe as _, panic_probe as _, panic_probe as _};
|
||||
|
||||
static mut CORE1_STACK: Stack<1024> = Stack::new();
|
||||
|
@ -5,10 +5,10 @@ teleprobe_meta::target!(b"rpi-pico");
|
||||
|
||||
use defmt::{info, unwrap};
|
||||
use embassy_executor::Executor;
|
||||
use embassy_executor::_export::StaticCell;
|
||||
use embassy_rp::multicore::{spawn_core1, Stack};
|
||||
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
|
||||
use embassy_sync::channel::Channel;
|
||||
use static_cell::StaticCell;
|
||||
use {defmt_rtt as _, panic_probe as _};
|
||||
|
||||
static mut CORE1_STACK: Stack<1024> = Stack::new();
|
||||
|
@ -8,8 +8,8 @@ autobins = false
|
||||
[features]
|
||||
stm32f103c8 = ["embassy-stm32/stm32f103c8", "not-gpdma"]
|
||||
stm32f429zi = ["embassy-stm32/stm32f429zi", "chrono", "eth", "stop", "can", "not-gpdma", "dac-adc-pin", "rng"]
|
||||
stm32g071rb = ["embassy-stm32/stm32g071rb", "not-gpdma", "dac-adc-pin"]
|
||||
stm32c031c6 = ["embassy-stm32/stm32c031c6", "not-gpdma"]
|
||||
stm32g071rb = ["embassy-stm32/stm32g071rb", "cm0", "not-gpdma", "dac-adc-pin"]
|
||||
stm32c031c6 = ["embassy-stm32/stm32c031c6", "cm0", "not-gpdma"]
|
||||
stm32g491re = ["embassy-stm32/stm32g491re", "chrono", "not-gpdma", "rng"]
|
||||
stm32h755zi = ["embassy-stm32/stm32h755zi-cm7", "chrono", "not-gpdma", "eth", "dac-adc-pin", "rng"]
|
||||
stm32h753zi = ["embassy-stm32/stm32h753zi", "chrono", "not-gpdma", "eth", "rng"]
|
||||
@ -19,7 +19,7 @@ stm32h563zi = ["embassy-stm32/stm32h563zi", "chrono", "eth", "rng"]
|
||||
stm32u585ai = ["embassy-stm32/stm32u585ai", "chrono", "rng"]
|
||||
stm32u5a5zj = ["embassy-stm32/stm32u5a5zj", "chrono", "rng"]
|
||||
stm32wba52cg = ["embassy-stm32/stm32wba52cg", "chrono", "rng"]
|
||||
stm32l073rz = ["embassy-stm32/stm32l073rz", "not-gpdma", "rng"]
|
||||
stm32l073rz = ["embassy-stm32/stm32l073rz", "cm0", "not-gpdma", "rng"]
|
||||
stm32l152re = ["embassy-stm32/stm32l152re", "chrono", "not-gpdma"]
|
||||
stm32l4a6zg = ["embassy-stm32/stm32l4a6zg", "chrono", "not-gpdma", "rng"]
|
||||
stm32l4r5zi = ["embassy-stm32/stm32l4r5zi", "chrono", "not-gpdma", "rng"]
|
||||
@ -42,6 +42,8 @@ embassy-stm32-wpan = []
|
||||
not-gpdma = []
|
||||
dac-adc-pin = []
|
||||
|
||||
cm0 = ["portable-atomic/unsafe-assume-single-core"]
|
||||
|
||||
[dependencies]
|
||||
teleprobe-meta = "1"
|
||||
|
||||
@ -66,7 +68,8 @@ micromath = "2.0.0"
|
||||
panic-probe = { version = "0.3.0", features = ["print-defmt"] }
|
||||
rand_core = { version = "0.6", default-features = false }
|
||||
rand_chacha = { version = "0.3", default-features = false }
|
||||
static_cell = {version = "1.1", features = ["nightly"] }
|
||||
static_cell = { version = "2", features = ["nightly"] }
|
||||
portable-atomic = { version = "1.5", features = [] }
|
||||
|
||||
chrono = { version = "^0.4", default-features = false, optional = true}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user