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Separate exti into v1 and v2

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This commit is contained in:
Thales Fragoso 2021-06-24 20:00:51 -03:00
parent 1c33a3b94c
commit 013792b944
4 changed files with 114 additions and 105 deletions
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111
embassy-stm32/src/exti/mod.rs Normal file
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@ -0,0 +1,111 @@
#![macro_use]
macro_rules! foreach_exti_irq {
($action:ident) => {
crate::pac::interrupts!(
(EXTI0) => { $action!(EXTI0); };
(EXTI1) => { $action!(EXTI1); };
(EXTI2) => { $action!(EXTI2); };
(EXTI3) => { $action!(EXTI3); };
(EXTI4) => { $action!(EXTI4); };
(EXTI5) => { $action!(EXTI5); };
(EXTI6) => { $action!(EXTI6); };
(EXTI7) => { $action!(EXTI7); };
(EXTI8) => { $action!(EXTI8); };
(EXTI9) => { $action!(EXTI9); };
(EXTI10) => { $action!(EXTI10); };
(EXTI11) => { $action!(EXTI11); };
(EXTI12) => { $action!(EXTI12); };
(EXTI13) => { $action!(EXTI13); };
(EXTI14) => { $action!(EXTI14); };
(EXTI15) => { $action!(EXTI15); };
// plus the weird ones
(EXTI0_1) => { $action!( EXTI0_1 ); };
(EXTI15_10) => { $action!(EXTI15_10); };
(EXTI15_4) => { $action!(EXTI15_4); };
(EXTI1_0) => { $action!(EXTI1_0); };
(EXTI2_3) => { $action!(EXTI2_3); };
(EXTI2_TSC) => { $action!(EXTI2_TSC); };
(EXTI3_2) => { $action!(EXTI3_2); };
(EXTI4_15) => { $action!(EXTI4_15); };
(EXTI9_5) => { $action!(EXTI9_5); };
);
};
}
#[cfg_attr(exti_v1, path = "v1.rs")]
#[cfg_attr(exti_wb55, path = "v2.rs")]
mod _version;
#[allow(unused)]
pub use _version::*;
use crate::peripherals;
use embassy_extras::unsafe_impl_unborrow;
pub(crate) mod sealed {
pub trait Channel {}
}
pub trait Channel: sealed::Channel + Sized {
fn number(&self) -> usize;
fn degrade(self) -> AnyChannel {
AnyChannel {
number: self.number() as u8,
}
}
}
pub struct AnyChannel {
number: u8,
}
unsafe_impl_unborrow!(AnyChannel);
impl sealed::Channel for AnyChannel {}
impl Channel for AnyChannel {
fn number(&self) -> usize {
self.number as usize
}
}
macro_rules! impl_exti {
($type:ident, $number:expr) => {
impl sealed::Channel for peripherals::$type {}
impl Channel for peripherals::$type {
fn number(&self) -> usize {
$number as usize
}
}
};
}
impl_exti!(EXTI0, 0);
impl_exti!(EXTI1, 1);
impl_exti!(EXTI2, 2);
impl_exti!(EXTI3, 3);
impl_exti!(EXTI4, 4);
impl_exti!(EXTI5, 5);
impl_exti!(EXTI6, 6);
impl_exti!(EXTI7, 7);
impl_exti!(EXTI8, 8);
impl_exti!(EXTI9, 9);
impl_exti!(EXTI10, 10);
impl_exti!(EXTI11, 11);
impl_exti!(EXTI12, 12);
impl_exti!(EXTI13, 13);
impl_exti!(EXTI14, 14);
impl_exti!(EXTI15, 15);
macro_rules! enable_irq {
($e:ident) => {
crate::interrupt::$e::steal().enable();
};
}
/// safety: must be called only once
pub(crate) unsafe fn init() {
use embassy::interrupt::Interrupt;
use embassy::interrupt::InterruptExt;
foreach_exti_irq!(enable_irq);
}

103
embassy-stm32/src/exti.rs → embassy-stm32/src/exti/v1.rs
View file

@ -1,4 +1,3 @@
#![macro_use]
use core::convert::Infallible;
use core::future::Future;
use core::marker::PhantomData;
@ -6,14 +5,12 @@ use core::pin::Pin;
use core::task::{Context, Poll};
use embassy::traits::gpio::{WaitForAnyEdge, WaitForFallingEdge, WaitForRisingEdge};
use embassy::util::{AtomicWaker, Unborrow};
use embassy_extras::unsafe_impl_unborrow;
use embedded_hal::digital::v2::InputPin;
use pac::exti::{regs, vals};
use crate::gpio::{AnyPin, Input, Pin as GpioPin};
use crate::pac;
use crate::pac::{EXTI, SYSCFG};
use crate::peripherals;
const EXTI_COUNT: usize = 16;
const NEW_AW: AtomicWaker = AtomicWaker::new();
@ -160,106 +157,6 @@ impl<'a> Future for ExtiInputFuture<'a> {
}
}
pub(crate) mod sealed {
pub trait Channel {}
}
pub trait Channel: sealed::Channel + Sized {
fn number(&self) -> usize;
fn degrade(self) -> AnyChannel {
AnyChannel {
number: self.number() as u8,
}
}
}
pub struct AnyChannel {
number: u8,
}
unsafe_impl_unborrow!(AnyChannel);
impl sealed::Channel for AnyChannel {}
impl Channel for AnyChannel {
fn number(&self) -> usize {
self.number as usize
}
}
macro_rules! impl_exti {
($type:ident, $number:expr) => {
impl sealed::Channel for peripherals::$type {}
impl Channel for peripherals::$type {
fn number(&self) -> usize {
$number as usize
}
}
};
}
impl_exti!(EXTI0, 0);
impl_exti!(EXTI1, 1);
impl_exti!(EXTI2, 2);
impl_exti!(EXTI3, 3);
impl_exti!(EXTI4, 4);
impl_exti!(EXTI5, 5);
impl_exti!(EXTI6, 6);
impl_exti!(EXTI7, 7);
impl_exti!(EXTI8, 8);
impl_exti!(EXTI9, 9);
impl_exti!(EXTI10, 10);
impl_exti!(EXTI11, 11);
impl_exti!(EXTI12, 12);
impl_exti!(EXTI13, 13);
impl_exti!(EXTI14, 14);
impl_exti!(EXTI15, 15);
macro_rules! foreach_exti_irq {
($action:ident) => {
crate::pac::interrupts!(
(EXTI0) => { $action!(EXTI0); };
(EXTI1) => { $action!(EXTI1); };
(EXTI2) => { $action!(EXTI2); };
(EXTI3) => { $action!(EXTI3); };
(EXTI4) => { $action!(EXTI4); };
(EXTI5) => { $action!(EXTI5); };
(EXTI6) => { $action!(EXTI6); };
(EXTI7) => { $action!(EXTI7); };
(EXTI8) => { $action!(EXTI8); };
(EXTI9) => { $action!(EXTI9); };
(EXTI10) => { $action!(EXTI10); };
(EXTI11) => { $action!(EXTI11); };
(EXTI12) => { $action!(EXTI12); };
(EXTI13) => { $action!(EXTI13); };
(EXTI14) => { $action!(EXTI14); };
(EXTI15) => { $action!(EXTI15); };
// plus the weird ones
(EXTI0_1) => { $action!( EXTI0_1 ); };
(EXTI15_10) => { $action!(EXTI15_10); };
(EXTI15_4) => { $action!(EXTI15_4); };
(EXTI1_0) => { $action!(EXTI1_0); };
(EXTI2_3) => { $action!(EXTI2_3); };
(EXTI2_TSC) => { $action!(EXTI2_TSC); };
(EXTI3_2) => { $action!(EXTI3_2); };
(EXTI4_15) => { $action!(EXTI4_15); };
(EXTI9_5) => { $action!(EXTI9_5); };
);
};
}
macro_rules! enable_irq {
($e:ident) => {
crate::interrupt::$e::steal().enable();
};
}
/// safety: must be called only once
pub(crate) unsafe fn init() {
use embassy::interrupt::Interrupt;
use embassy::interrupt::InterruptExt;
foreach_exti_irq!(enable_irq);
}
use crate::interrupt;
macro_rules! impl_irq {

1
embassy-stm32/src/exti/v2.rs Normal file
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@ -0,0 +1 @@

4
embassy-stm32/src/lib.rs
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@ -30,7 +30,7 @@ pub mod dac;
pub mod dma;
#[cfg(all(eth, feature = "net"))]
pub mod eth;
#[cfg(exti_v1)]
#[cfg(exti)]
pub mod exti;
#[cfg(i2c)]
pub mod i2c;
@ -86,7 +86,7 @@ pub fn init(config: Config) -> Peripherals {
unsafe {
#[cfg(dma)]
dma::init();
#[cfg(exti_v1)]
#[cfg(exti)]
exti::init();
rcc::init(config.rcc);
}