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https://github.com/embassy-rs/embassy.git
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Merge pull request #13 from xoviat/stm32-interrupt
Add EXTI interrupt handler for GPIO pins
This commit is contained in:
Dario Nieuwenhuis
GitHub
commit
a44ab63341
492
embassy-stm32f4/src/exti.rs
Normal file
492
embassy-stm32f4/src/exti.rs
Normal file
@ -0,0 +1,492 @@
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use core::future::Future;
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use core::mem;
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use core::pin::Pin;
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use embassy::gpio::{WaitForFallingEdge, WaitForRisingEdge};
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use embassy::interrupt::OwnedInterrupt;
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use embassy::util::InterruptFuture;
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use crate::hal::gpio;
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use crate::hal::gpio::{Edge, ExtiPin as HalExtiPin};
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use crate::hal::syscfg::SysCfg;
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use crate::pac::EXTI;
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use crate::interrupt;
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pub struct ExtiManager {
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syscfg: SysCfg,
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}
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impl<'a> ExtiManager {
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pub fn new(_exti: EXTI, syscfg: SysCfg) -> Self {
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Self { syscfg: syscfg }
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}
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pub fn new_pin<T, I>(&'static mut self, mut pin: T, interrupt: I) -> ExtiPin<T, I>
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where
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T: HalExtiPin + WithInterrupt<Instance = I>,
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I: OwnedInterrupt,
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{
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pin.make_interrupt_source(&mut self.syscfg);
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ExtiPin {
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pin: pin,
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interrupt: interrupt,
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_mgr: self,
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}
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}
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}
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pub struct ExtiPin<T: HalExtiPin, I: OwnedInterrupt> {
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pin: T,
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interrupt: I,
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_mgr: &'static ExtiManager,
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}
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/*
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Irq Handler Description
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EXTI0_IRQn EXTI0_IRQHandler Handler for pins connected to line 0
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EXTI1_IRQn EXTI1_IRQHandler Handler for pins connected to line 1
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EXTI2_IRQn EXTI2_IRQHandler Handler for pins connected to line 2
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EXTI3_IRQn EXTI3_IRQHandler Handler for pins connected to line 3
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EXTI4_IRQn EXTI4_IRQHandler Handler for pins connected to line 4
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EXTI9_5_IRQn EXTI9_5_IRQHandler Handler for pins connected to line 5 to 9
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EXTI15_10_IRQn EXTI15_10_IRQHandler Handler for pins connected to line 10 to 15
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*/
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impl<T: HalExtiPin + 'static, I: OwnedInterrupt + 'static> WaitForRisingEdge for ExtiPin<T, I> {
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type Future<'a> = impl Future<Output = ()> + 'a;
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fn wait_for_rising_edge<'a>(self: Pin<&'a mut Self>) -> Self::Future<'a> {
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let s = unsafe { self.get_unchecked_mut() };
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async move {
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let fut = InterruptFuture::new(&mut s.interrupt);
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s.pin.clear_interrupt_pending_bit();
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let mut exti: EXTI = unsafe { mem::transmute(()) };
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s.pin.trigger_on_edge(&mut exti, Edge::RISING);
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s.pin.enable_interrupt(&mut exti);
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fut.await;
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s.pin.clear_interrupt_pending_bit();
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}
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}
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}
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impl<T: HalExtiPin + 'static, I: OwnedInterrupt + 'static> WaitForFallingEdge for ExtiPin<T, I> {
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type Future<'a> = impl Future<Output = ()> + 'a;
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fn wait_for_falling_edge<'a>(self: Pin<&'a mut Self>) -> Self::Future<'a> {
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let s = unsafe { self.get_unchecked_mut() };
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async move {
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let fut = InterruptFuture::new(&mut s.interrupt);
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s.pin.clear_interrupt_pending_bit();
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let mut exti: EXTI = unsafe { mem::transmute(()) };
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s.pin.trigger_on_edge(&mut exti, Edge::FALLING);
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s.pin.enable_interrupt(&mut exti);
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fut.await;
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s.pin.clear_interrupt_pending_bit();
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}
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}
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}
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mod private {
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pub trait Sealed {}
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}
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pub trait WithInterrupt: private::Sealed {
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type Instance;
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}
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macro_rules! exti {
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($($PER:ident => ($set:ident, $pin:ident),)+) => {
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$(
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impl<T> private::Sealed for gpio::$set::$pin<T> {}
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impl<T> WithInterrupt for gpio::$set::$pin<T> {
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type Instance = interrupt::$PER;
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}
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)+
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}
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}
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#[cfg(any(
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feature = "stm32f401",
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feature = "stm32f405",
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feature = "stm32f407",
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feature = "stm32f410",
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feature = "stm32f411",
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feature = "stm32f412",
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feature = "stm32f413",
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feature = "stm32f415",
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feature = "stm32f417",
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feature = "stm32f423",
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feature = "stm32f427",
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feature = "stm32f429",
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feature = "stm32f437",
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feature = "stm32f439",
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feature = "stm32f446",
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feature = "stm32f469",
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feature = "stm32f479"
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))]
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exti! {
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EXTI0Interrupt => (gpioa, PA0),
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EXTI1Interrupt => (gpioa, PA1),
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EXTI2Interrupt => (gpioa, PA2),
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EXTI3Interrupt => (gpioa, PA3),
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EXTI4Interrupt => (gpioa, PA4),
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EXTI9_5Interrupt => (gpioa, PA5),
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EXTI9_5Interrupt => (gpioa, PA6),
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EXTI9_5Interrupt => (gpioa, PA7),
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EXTI9_5Interrupt => (gpioa, PA8),
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EXTI9_5Interrupt => (gpioa, PA9),
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EXTI15_10Interrupt => (gpioa, PA10),
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EXTI15_10Interrupt => (gpioa, PA11),
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EXTI15_10Interrupt => (gpioa, PA12),
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EXTI15_10Interrupt => (gpioa, PA13),
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EXTI15_10Interrupt => (gpioa, PA14),
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EXTI15_10Interrupt => (gpioa, PA15),
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}
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#[cfg(any(
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feature = "stm32f401",
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feature = "stm32f405",
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feature = "stm32f407",
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feature = "stm32f410",
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feature = "stm32f411",
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feature = "stm32f412",
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feature = "stm32f413",
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feature = "stm32f415",
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feature = "stm32f417",
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feature = "stm32f423",
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feature = "stm32f427",
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feature = "stm32f429",
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feature = "stm32f437",
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feature = "stm32f439",
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feature = "stm32f446",
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feature = "stm32f469",
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feature = "stm32f479"
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))]
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exti! {
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EXTI0Interrupt => (gpiob, PB0),
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EXTI1Interrupt => (gpiob, PB1),
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EXTI2Interrupt => (gpiob, PB2),
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EXTI3Interrupt => (gpiob, PB3),
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EXTI4Interrupt => (gpiob, PB4),
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EXTI9_5Interrupt => (gpiob, PB5),
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EXTI9_5Interrupt => (gpiob, PB6),
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EXTI9_5Interrupt => (gpiob, PB7),
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EXTI9_5Interrupt => (gpiob, PB8),
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EXTI9_5Interrupt => (gpiob, PB9),
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EXTI15_10Interrupt => (gpiob, PB10),
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EXTI15_10Interrupt => (gpiob, PB11),
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EXTI15_10Interrupt => (gpiob, PB12),
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EXTI15_10Interrupt => (gpiob, PB13),
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EXTI15_10Interrupt => (gpiob, PB14),
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EXTI15_10Interrupt => (gpiob, PB15),
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}
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#[cfg(any(
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feature = "stm32f401",
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feature = "stm32f405",
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feature = "stm32f407",
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feature = "stm32f410",
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feature = "stm32f411",
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feature = "stm32f412",
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feature = "stm32f413",
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feature = "stm32f415",
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feature = "stm32f417",
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feature = "stm32f423",
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feature = "stm32f427",
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feature = "stm32f429",
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feature = "stm32f437",
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feature = "stm32f439",
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feature = "stm32f446",
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feature = "stm32f469",
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feature = "stm32f479"
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))]
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exti! {
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EXTI0Interrupt => (gpioc, PC0),
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EXTI1Interrupt => (gpioc, PC1),
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EXTI2Interrupt => (gpioc, PC2),
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EXTI3Interrupt => (gpioc, PC3),
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EXTI4Interrupt => (gpioc, PC4),
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EXTI9_5Interrupt => (gpioc, PC5),
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EXTI9_5Interrupt => (gpioc, PC6),
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EXTI9_5Interrupt => (gpioc, PC7),
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EXTI9_5Interrupt => (gpioc, PC8),
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EXTI9_5Interrupt => (gpioc, PC9),
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EXTI15_10Interrupt => (gpioc, PC10),
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EXTI15_10Interrupt => (gpioc, PC11),
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EXTI15_10Interrupt => (gpioc, PC12),
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EXTI15_10Interrupt => (gpioc, PC13),
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EXTI15_10Interrupt => (gpioc, PC14),
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EXTI15_10Interrupt => (gpioc, PC15),
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}
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#[cfg(any(
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feature = "stm32f401",
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feature = "stm32f405",
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feature = "stm32f407",
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feature = "stm32f411",
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feature = "stm32f412",
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feature = "stm32f413",
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feature = "stm32f415",
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feature = "stm32f417",
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feature = "stm32f423",
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feature = "stm32f427",
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feature = "stm32f429",
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feature = "stm32f437",
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feature = "stm32f439",
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feature = "stm32f446",
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feature = "stm32f469",
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feature = "stm32f479"
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))]
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exti! {
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EXTI0Interrupt => (gpiod, PD0),
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EXTI1Interrupt => (gpiod, PD1),
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EXTI2Interrupt => (gpiod, PD2),
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EXTI3Interrupt => (gpiod, PD3),
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EXTI4Interrupt => (gpiod, PD4),
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EXTI9_5Interrupt => (gpiod, PD5),
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EXTI9_5Interrupt => (gpiod, PD6),
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EXTI9_5Interrupt => (gpiod, PD7),
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EXTI9_5Interrupt => (gpiod, PD8),
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EXTI9_5Interrupt => (gpiod, PD9),
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EXTI15_10Interrupt => (gpiod, PD10),
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EXTI15_10Interrupt => (gpiod, PD11),
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EXTI15_10Interrupt => (gpiod, PD12),
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EXTI15_10Interrupt => (gpiod, PD13),
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EXTI15_10Interrupt => (gpiod, PD14),
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EXTI15_10Interrupt => (gpiod, PD15),
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}
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#[cfg(any(
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feature = "stm32f401",
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feature = "stm32f405",
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feature = "stm32f407",
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feature = "stm32f411",
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feature = "stm32f412",
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feature = "stm32f413",
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feature = "stm32f415",
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feature = "stm32f417",
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feature = "stm32f423",
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feature = "stm32f427",
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feature = "stm32f429",
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feature = "stm32f437",
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feature = "stm32f439",
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feature = "stm32f446",
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feature = "stm32f469",
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feature = "stm32f479"
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))]
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exti! {
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EXTI0Interrupt => (gpioe, PE0),
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EXTI1Interrupt => (gpioe, PE1),
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EXTI2Interrupt => (gpioe, PE2),
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EXTI3Interrupt => (gpioe, PE3),
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EXTI4Interrupt => (gpioe, PE4),
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EXTI9_5Interrupt => (gpioe, PE5),
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EXTI9_5Interrupt => (gpioe, PE6),
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EXTI9_5Interrupt => (gpioe, PE7),
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EXTI9_5Interrupt => (gpioe, PE8),
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EXTI9_5Interrupt => (gpioe, PE9),
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EXTI15_10Interrupt => (gpioe, PE10),
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EXTI15_10Interrupt => (gpioe, PE11),
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EXTI15_10Interrupt => (gpioe, PE12),
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EXTI15_10Interrupt => (gpioe, PE13),
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EXTI15_10Interrupt => (gpioe, PE14),
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EXTI15_10Interrupt => (gpioe, PE15),
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}
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#[cfg(any(
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feature = "stm32f405",
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feature = "stm32f407",
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feature = "stm32f412",
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feature = "stm32f413",
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feature = "stm32f415",
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feature = "stm32f417",
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feature = "stm32f423",
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feature = "stm32f427",
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feature = "stm32f429",
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feature = "stm32f437",
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feature = "stm32f439",
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feature = "stm32f446",
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feature = "stm32f469",
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feature = "stm32f479"
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))]
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exti! {
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EXTI0Interrupt => (gpiof, PF0),
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EXTI1Interrupt => (gpiof, PF1),
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EXTI2Interrupt => (gpiof, PF2),
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EXTI3Interrupt => (gpiof, PF3),
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EXTI4Interrupt => (gpiof, PF4),
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EXTI9_5Interrupt => (gpiof, PF5),
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EXTI9_5Interrupt => (gpiof, PF6),
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EXTI9_5Interrupt => (gpiof, PF7),
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EXTI9_5Interrupt => (gpiof, PF8),
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EXTI9_5Interrupt => (gpiof, PF9),
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EXTI15_10Interrupt => (gpiof, PF10),
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EXTI15_10Interrupt => (gpiof, PF11),
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EXTI15_10Interrupt => (gpiof, PF12),
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EXTI15_10Interrupt => (gpiof, PF13),
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EXTI15_10Interrupt => (gpiof, PF14),
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EXTI15_10Interrupt => (gpiof, PF15),
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}
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#[cfg(any(
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feature = "stm32f405",
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feature = "stm32f407",
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feature = "stm32f412",
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feature = "stm32f413",
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feature = "stm32f415",
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feature = "stm32f417",
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feature = "stm32f423",
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feature = "stm32f427",
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feature = "stm32f429",
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feature = "stm32f437",
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feature = "stm32f439",
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feature = "stm32f446",
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feature = "stm32f469",
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feature = "stm32f479"
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))]
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exti! {
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EXTI0Interrupt => (gpiog, PG0),
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EXTI1Interrupt => (gpiog, PG1),
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EXTI2Interrupt => (gpiog, PG2),
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EXTI3Interrupt => (gpiog, PG3),
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EXTI4Interrupt => (gpiog, PG4),
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EXTI9_5Interrupt => (gpiog, PG5),
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EXTI9_5Interrupt => (gpiog, PG6),
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EXTI9_5Interrupt => (gpiog, PG7),
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EXTI9_5Interrupt => (gpiog, PG8),
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EXTI9_5Interrupt => (gpiog, PG9),
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EXTI15_10Interrupt => (gpiog, PG10),
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EXTI15_10Interrupt => (gpiog, PG11),
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EXTI15_10Interrupt => (gpiog, PG12),
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EXTI15_10Interrupt => (gpiog, PG13),
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EXTI15_10Interrupt => (gpiog, PG14),
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EXTI15_10Interrupt => (gpiog, PG15),
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}
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#[cfg(any(
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feature = "stm32f405",
|
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feature = "stm32f407",
|
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feature = "stm32f410",
|
||||
feature = "stm32f411",
|
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feature = "stm32f412",
|
||||
feature = "stm32f413",
|
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feature = "stm32f415",
|
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feature = "stm32f417",
|
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feature = "stm32f423",
|
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feature = "stm32f427",
|
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feature = "stm32f429",
|
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feature = "stm32f437",
|
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feature = "stm32f439",
|
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feature = "stm32f446",
|
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feature = "stm32f469",
|
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feature = "stm32f479"
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))]
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exti! {
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EXTI0Interrupt => (gpioh, PH0),
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EXTI1Interrupt => (gpioh, PH1),
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EXTI2Interrupt => (gpioh, PH2),
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EXTI3Interrupt => (gpioh, PH3),
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EXTI4Interrupt => (gpioh, PH4),
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EXTI9_5Interrupt => (gpioh, PH5),
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EXTI9_5Interrupt => (gpioh, PH6),
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EXTI9_5Interrupt => (gpioh, PH7),
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EXTI9_5Interrupt => (gpioh, PH8),
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EXTI9_5Interrupt => (gpioh, PH9),
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EXTI15_10Interrupt => (gpioh, PH10),
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EXTI15_10Interrupt => (gpioh, PH11),
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EXTI15_10Interrupt => (gpioh, PH12),
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EXTI15_10Interrupt => (gpioh, PH13),
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EXTI15_10Interrupt => (gpioh, PH14),
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EXTI15_10Interrupt => (gpioh, PH15),
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}
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#[cfg(any(feature = "stm32f401"))]
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exti! {
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EXTI0Interrupt => (gpioh, PH0),
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EXTI1Interrupt => (gpioh, PH1),
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}
|
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|
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#[cfg(any(
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feature = "stm32f405",
|
||||
feature = "stm32f407",
|
||||
feature = "stm32f415",
|
||||
feature = "stm32f417",
|
||||
feature = "stm32f427",
|
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feature = "stm32f429",
|
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feature = "stm32f437",
|
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feature = "stm32f439",
|
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feature = "stm32f469",
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feature = "stm32f479"
|
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))]
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exti! {
|
||||
EXTI0Interrupt => (gpioi, PI0),
|
||||
EXTI1Interrupt => (gpioi, PI1),
|
||||
EXTI2Interrupt => (gpioi, PI2),
|
||||
EXTI3Interrupt => (gpioi, PI3),
|
||||
EXTI4Interrupt => (gpioi, PI4),
|
||||
EXTI9_5Interrupt => (gpioi, PI5),
|
||||
EXTI9_5Interrupt => (gpioi, PI6),
|
||||
EXTI9_5Interrupt => (gpioi, PI7),
|
||||
EXTI9_5Interrupt => (gpioi, PI8),
|
||||
EXTI9_5Interrupt => (gpioi, PI9),
|
||||
EXTI15_10Interrupt => (gpioi, PI10),
|
||||
EXTI15_10Interrupt => (gpioi, PI11),
|
||||
EXTI15_10Interrupt => (gpioi, PI12),
|
||||
EXTI15_10Interrupt => (gpioi, PI13),
|
||||
EXTI15_10Interrupt => (gpioi, PI14),
|
||||
EXTI15_10Interrupt => (gpioi, PI15),
|
||||
}
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479"
|
||||
))]
|
||||
exti! {
|
||||
EXTI0Interrupt => (gpioj, PJ0),
|
||||
EXTI1Interrupt => (gpioj, PJ1),
|
||||
EXTI2Interrupt => (gpioj, PJ2),
|
||||
EXTI3Interrupt => (gpioj, PJ3),
|
||||
EXTI4Interrupt => (gpioj, PJ4),
|
||||
EXTI9_5Interrupt => (gpioj, PJ5),
|
||||
EXTI9_5Interrupt => (gpioj, PJ6),
|
||||
EXTI9_5Interrupt => (gpioj, PJ7),
|
||||
EXTI9_5Interrupt => (gpioj, PJ8),
|
||||
EXTI9_5Interrupt => (gpioj, PJ9),
|
||||
EXTI15_10Interrupt => (gpioj, PJ10),
|
||||
EXTI15_10Interrupt => (gpioj, PJ11),
|
||||
EXTI15_10Interrupt => (gpioj, PJ12),
|
||||
EXTI15_10Interrupt => (gpioj, PJ13),
|
||||
EXTI15_10Interrupt => (gpioj, PJ14),
|
||||
EXTI15_10Interrupt => (gpioj, PJ15),
|
||||
}
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479"
|
||||
))]
|
||||
exti! {
|
||||
EXTI0Interrupt => (gpiok, PK0),
|
||||
EXTI1Interrupt => (gpiok, PK1),
|
||||
EXTI2Interrupt => (gpiok, PK2),
|
||||
EXTI3Interrupt => (gpiok, PK3),
|
||||
EXTI4Interrupt => (gpiok, PK4),
|
||||
EXTI9_5Interrupt => (gpiok, PK5),
|
||||
EXTI9_5Interrupt => (gpiok, PK6),
|
||||
EXTI9_5Interrupt => (gpiok, PK7),
|
||||
}
|
||||
@ -311,6 +311,7 @@ pub use stm32f4xx_hal::stm32 as pac;
|
||||
// This mod MUST go first, so that the others see its macros.
|
||||
pub(crate) mod fmt;
|
||||
|
||||
pub mod exti;
|
||||
pub mod interrupt;
|
||||
pub mod serial;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user