stm32: add exti
This commit is contained in:
Dario Nieuwenhuis
parent
258ba533bd
commit
170536b073
6 changed files with 370 additions and 826 deletions
|
|
@ -38,9 +38,9 @@ f479 = ["embassy-stm32/f469"]
|
|||
[dependencies]
|
||||
embassy = { version = "0.1.0", path = "../embassy", features = ["defmt", "defmt-trace"] }
|
||||
embassy-traits = { version = "0.1.0", path = "../embassy-traits", features = ["defmt"] }
|
||||
embassy-stm32 = { version = "0.1.0", path = "../embassy-stm32" }
|
||||
embassy-stm32 = { version = "0.1.0", path = "../embassy-stm32", features = ["defmt", "defmt-trace"] }
|
||||
embassy-extras = {version = "0.1.0", path = "../embassy-extras" }
|
||||
stm32f4 = { version = "0.13", features = ["stm32f429"] }
|
||||
stm32f4 = { version = "0.13", features = ["stm32f429", "rt"] }
|
||||
|
||||
defmt = "0.2.0"
|
||||
defmt-rtt = "0.2.0"
|
||||
|
|
|
|||
129
embassy-stm32-examples/src/bin/button_exti.rs
Normal file
129
embassy-stm32-examples/src/bin/button_exti.rs
Normal file
|
|
@ -0,0 +1,129 @@
|
|||
#![no_std]
|
||||
#![no_main]
|
||||
#![feature(trait_alias)]
|
||||
#![feature(min_type_alias_impl_trait)]
|
||||
#![feature(impl_trait_in_bindings)]
|
||||
#![feature(type_alias_impl_trait)]
|
||||
|
||||
#[path = "../example_common.rs"]
|
||||
mod example_common;
|
||||
use embassy::executor::Executor;
|
||||
use embassy::time::Clock;
|
||||
use embassy::util::Forever;
|
||||
use embassy_stm32::exti::{self, ExtiInput};
|
||||
use embassy_stm32::gpio::{Input, Pull};
|
||||
use embassy_traits::gpio::{WaitForFallingEdge, WaitForRisingEdge};
|
||||
use example_common::*;
|
||||
|
||||
use cortex_m_rt::entry;
|
||||
use pac::{interrupt, NVIC};
|
||||
use stm32f4::stm32f429 as pac;
|
||||
|
||||
#[embassy::task]
|
||||
async fn main_task() {
|
||||
let p = embassy_stm32::Peripherals::take().unwrap();
|
||||
let button = Input::new(p.PC13, Pull::Down);
|
||||
let mut button = ExtiInput::new(button, p.EXTI13);
|
||||
|
||||
info!("Press the USER button...");
|
||||
|
||||
loop {
|
||||
button.wait_for_rising_edge().await;
|
||||
info!("Pressed!");
|
||||
button.wait_for_falling_edge().await;
|
||||
info!("Released!");
|
||||
}
|
||||
}
|
||||
|
||||
struct ZeroClock;
|
||||
|
||||
impl Clock for ZeroClock {
|
||||
fn now(&self) -> u64 {
|
||||
0
|
||||
}
|
||||
}
|
||||
|
||||
static EXECUTOR: Forever<Executor> = Forever::new();
|
||||
|
||||
#[entry]
|
||||
fn main() -> ! {
|
||||
info!("Hello World!");
|
||||
|
||||
let pp = pac::Peripherals::take().unwrap();
|
||||
|
||||
pp.DBGMCU.cr.modify(|_, w| {
|
||||
w.dbg_sleep().set_bit();
|
||||
w.dbg_standby().set_bit();
|
||||
w.dbg_stop().set_bit()
|
||||
});
|
||||
pp.RCC.ahb1enr.modify(|_, w| w.dma1en().enabled());
|
||||
|
||||
pp.RCC.ahb1enr.modify(|_, w| {
|
||||
w.gpioaen().enabled();
|
||||
w.gpioben().enabled();
|
||||
w.gpiocen().enabled();
|
||||
w.gpioden().enabled();
|
||||
w.gpioeen().enabled();
|
||||
w.gpiofen().enabled();
|
||||
w
|
||||
});
|
||||
pp.RCC.apb2enr.modify(|_, w| {
|
||||
w.syscfgen().enabled();
|
||||
w
|
||||
});
|
||||
|
||||
unsafe { embassy::time::set_clock(&ZeroClock) };
|
||||
|
||||
unsafe {
|
||||
NVIC::unmask(interrupt::EXTI0);
|
||||
NVIC::unmask(interrupt::EXTI1);
|
||||
NVIC::unmask(interrupt::EXTI2);
|
||||
NVIC::unmask(interrupt::EXTI3);
|
||||
NVIC::unmask(interrupt::EXTI4);
|
||||
NVIC::unmask(interrupt::EXTI9_5);
|
||||
NVIC::unmask(interrupt::EXTI15_10);
|
||||
}
|
||||
|
||||
let executor = EXECUTOR.put(Executor::new());
|
||||
|
||||
executor.run(|spawner| {
|
||||
unwrap!(spawner.spawn(main_task()));
|
||||
})
|
||||
}
|
||||
|
||||
// TODO for now irq handling is done by user code using the old pac, until we figure out how interrupts work in the metapac
|
||||
|
||||
#[interrupt]
|
||||
unsafe fn EXTI0() {
|
||||
exti::on_irq()
|
||||
}
|
||||
|
||||
#[interrupt]
|
||||
unsafe fn EXTI1() {
|
||||
exti::on_irq()
|
||||
}
|
||||
|
||||
#[interrupt]
|
||||
unsafe fn EXTI2() {
|
||||
exti::on_irq()
|
||||
}
|
||||
|
||||
#[interrupt]
|
||||
unsafe fn EXTI3() {
|
||||
exti::on_irq()
|
||||
}
|
||||
|
||||
#[interrupt]
|
||||
unsafe fn EXTI4() {
|
||||
exti::on_irq()
|
||||
}
|
||||
|
||||
#[interrupt]
|
||||
unsafe fn EXTI9_5() {
|
||||
exti::on_irq()
|
||||
}
|
||||
|
||||
#[interrupt]
|
||||
unsafe fn EXTI15_10() {
|
||||
exti::on_irq()
|
||||
}
|
||||
|
|
@ -7,4 +7,9 @@ peripherals!(
|
|||
PB0, PB1, PB2, PB3, PB4, PB5, PB6, PB7, PB8, PB9, PB10, PB11, PB12, PB13, PB14, PB15,
|
||||
// GPIO Port C
|
||||
PC0, PC1, PC2, PC3, PC4, PC5, PC6, PC7, PC8, PC9, PC10, PC11, PC12, PC13, PC14, PC15,
|
||||
// todo more ports
|
||||
|
||||
// EXTI
|
||||
EXTI0, EXTI1, EXTI2, EXTI3, EXTI4, EXTI5, EXTI6, EXTI7, EXTI8, EXTI9, EXTI10, EXTI11, EXTI12,
|
||||
EXTI13, EXTI14, EXTI15,
|
||||
);
|
||||
|
|
|
|||
|
|
@ -1,89 +1,75 @@
|
|||
use core::convert::Infallible;
|
||||
use core::future::Future;
|
||||
use core::mem;
|
||||
use cortex_m;
|
||||
use core::marker::PhantomData;
|
||||
use core::pin::Pin;
|
||||
use core::task::{Context, Poll};
|
||||
use embassy::traits::gpio::{WaitForAnyEdge, WaitForFallingEdge, WaitForRisingEdge};
|
||||
use embassy::util::{AtomicWaker, Unborrow};
|
||||
use embassy_extras::impl_unborrow;
|
||||
use embedded_hal::digital::v2::InputPin;
|
||||
use futures::future::Select;
|
||||
use pac::exti::{regs, vals};
|
||||
|
||||
use crate::hal::gpio;
|
||||
use crate::fmt::*;
|
||||
use crate::gpio::{AnyPin, Input, Pin as GpioPin};
|
||||
use crate::pac;
|
||||
use crate::peripherals;
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f401",
|
||||
feature = "stm32f405",
|
||||
feature = "stm32f407",
|
||||
feature = "stm32f410",
|
||||
feature = "stm32f411",
|
||||
feature = "stm32f412",
|
||||
feature = "stm32f413",
|
||||
feature = "stm32f415",
|
||||
feature = "stm32f417",
|
||||
feature = "stm32f423",
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f446",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479",
|
||||
))]
|
||||
use crate::hal::syscfg::SysCfg;
|
||||
// TODO hardcoding peripheral addrs until we figure out how these are handled in the metapac
|
||||
const SYSCFG: pac::syscfg_f4::Syscfg = pac::syscfg_f4::Syscfg(0x40013800 as *mut _);
|
||||
const EXTI: pac::exti::Exti = pac::exti::Exti(0x40013c00 as *mut _);
|
||||
|
||||
#[cfg(any(feature = "stm32l0x1", feature = "stm32l0x2", feature = "stm32l0x3",))]
|
||||
use crate::hal::syscfg::SYSCFG as SysCfg;
|
||||
const EXTI_COUNT: usize = 16;
|
||||
const NEW_AW: AtomicWaker = AtomicWaker::new();
|
||||
static EXTI_WAKERS: [AtomicWaker; EXTI_COUNT] = [NEW_AW; EXTI_COUNT];
|
||||
|
||||
use embassy::traits::gpio::{
|
||||
WaitForAnyEdge, WaitForFallingEdge, WaitForHigh, WaitForLow, WaitForRisingEdge,
|
||||
};
|
||||
use embassy::util::InterruptFuture;
|
||||
// TODO for now delegate irq handling to user code until we figure out how interrupts work in the metapac
|
||||
pub unsafe fn on_irq() {
|
||||
let bits = EXTI.pr().read().0;
|
||||
|
||||
use embedded_hal::digital::v2 as digital;
|
||||
// Mask all the channels that fired.
|
||||
EXTI.imr().modify(|w| w.0 &= !bits);
|
||||
|
||||
use crate::interrupt;
|
||||
// Wake the tasks
|
||||
for pin in BitIter(bits) {
|
||||
EXTI_WAKERS[pin as usize].wake();
|
||||
}
|
||||
|
||||
pub struct ExtiPin<T: Instance> {
|
||||
pin: T,
|
||||
interrupt: T::Interrupt,
|
||||
// Clear pending
|
||||
EXTI.pr().write_value(regs::Pr(bits));
|
||||
}
|
||||
|
||||
impl<T: Instance> ExtiPin<T> {
|
||||
pub fn new(mut pin: T, interrupt: T::Interrupt, syscfg: &mut SysCfg) -> Self {
|
||||
cortex_m::interrupt::free(|_| {
|
||||
pin.make_source(syscfg);
|
||||
});
|
||||
struct BitIter(u32);
|
||||
|
||||
Self { pin, interrupt }
|
||||
impl Iterator for BitIter {
|
||||
type Item = u32;
|
||||
|
||||
fn next(&mut self) -> Option<Self::Item> {
|
||||
match self.0.trailing_zeros() {
|
||||
32 => None,
|
||||
b => {
|
||||
self.0 &= !(1 << b);
|
||||
Some(b)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<T: Instance + digital::OutputPin> digital::OutputPin for ExtiPin<T> {
|
||||
type Error = T::Error;
|
||||
/// EXTI input driver
|
||||
pub struct ExtiInput<'d, T: GpioPin> {
|
||||
pin: Input<'d, T>,
|
||||
}
|
||||
|
||||
fn set_low(&mut self) -> Result<(), Self::Error> {
|
||||
self.pin.set_low()
|
||||
}
|
||||
impl<'d, T: GpioPin> Unpin for ExtiInput<'d, T> {}
|
||||
|
||||
fn set_high(&mut self) -> Result<(), Self::Error> {
|
||||
self.pin.set_high()
|
||||
impl<'d, T: GpioPin> ExtiInput<'d, T> {
|
||||
pub fn new(pin: Input<'d, T>, _ch: impl Unborrow<Target = T::ExtiChannel> + 'd) -> Self {
|
||||
Self { pin }
|
||||
}
|
||||
}
|
||||
|
||||
impl<T: Instance + digital::StatefulOutputPin> digital::StatefulOutputPin for ExtiPin<T> {
|
||||
fn is_set_low(&self) -> Result<bool, Self::Error> {
|
||||
self.pin.is_set_low()
|
||||
}
|
||||
|
||||
fn is_set_high(&self) -> Result<bool, Self::Error> {
|
||||
self.pin.is_set_high()
|
||||
}
|
||||
}
|
||||
|
||||
impl<T: Instance + digital::ToggleableOutputPin> digital::ToggleableOutputPin for ExtiPin<T> {
|
||||
type Error = T::Error;
|
||||
|
||||
fn toggle(&mut self) -> Result<(), Self::Error> {
|
||||
self.pin.toggle()
|
||||
}
|
||||
}
|
||||
|
||||
impl<T: Instance + digital::InputPin> digital::InputPin for ExtiPin<T> {
|
||||
type Error = T::Error;
|
||||
impl<'d, T: GpioPin> InputPin for ExtiInput<'d, T> {
|
||||
type Error = Infallible;
|
||||
|
||||
fn is_high(&self) -> Result<bool, Self::Error> {
|
||||
self.pin.is_high()
|
||||
|
|
@ -94,697 +80,139 @@ impl<T: Instance + digital::InputPin> digital::InputPin for ExtiPin<T> {
|
|||
}
|
||||
}
|
||||
|
||||
impl<T: Instance + digital::InputPin + 'static> ExtiPin<T> {
|
||||
fn wait_for_state<'a>(&'a mut self, state: bool) -> impl Future<Output = ()> + 'a {
|
||||
async move {
|
||||
let fut = InterruptFuture::new(&mut self.interrupt);
|
||||
let pin = &mut self.pin;
|
||||
cortex_m::interrupt::free(|_| {
|
||||
pin.trigger_edge(if state {
|
||||
EdgeOption::Rising
|
||||
} else {
|
||||
EdgeOption::Falling
|
||||
});
|
||||
});
|
||||
|
||||
if (state && self.pin.is_high().unwrap_or(false))
|
||||
|| (!state && self.pin.is_low().unwrap_or(false))
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
fut.await;
|
||||
|
||||
self.pin.clear_pending_bit();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<T: Instance + 'static> ExtiPin<T> {
|
||||
fn wait_for_edge<'a>(&'a mut self, state: EdgeOption) -> impl Future<Output = ()> + 'a {
|
||||
self.pin.clear_pending_bit();
|
||||
async move {
|
||||
let fut = InterruptFuture::new(&mut self.interrupt);
|
||||
let pin = &mut self.pin;
|
||||
cortex_m::interrupt::free(|_| {
|
||||
pin.trigger_edge(state);
|
||||
});
|
||||
|
||||
fut.await;
|
||||
|
||||
self.pin.clear_pending_bit();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<T: Instance + digital::InputPin + 'static> WaitForHigh for ExtiPin<T> {
|
||||
type Future<'a> = impl Future<Output = ()> + 'a;
|
||||
|
||||
fn wait_for_high<'a>(&'a mut self) -> Self::Future<'a> {
|
||||
self.wait_for_state(true)
|
||||
}
|
||||
}
|
||||
|
||||
impl<T: Instance + digital::InputPin + 'static> WaitForLow for ExtiPin<T> {
|
||||
type Future<'a> = impl Future<Output = ()> + 'a;
|
||||
|
||||
fn wait_for_low<'a>(&'a mut self) -> Self::Future<'a> {
|
||||
self.wait_for_state(false)
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
Irq Handler Description
|
||||
EXTI0_IRQn EXTI0_IRQHandler Handler for pins connected to line 0
|
||||
EXTI1_IRQn EXTI1_IRQHandler Handler for pins connected to line 1
|
||||
EXTI2_IRQn EXTI2_IRQHandler Handler for pins connected to line 2
|
||||
EXTI3_IRQn EXTI3_IRQHandler Handler for pins connected to line 3
|
||||
EXTI4_IRQn EXTI4_IRQHandler Handler for pins connected to line 4
|
||||
EXTI9_5_IRQn EXTI9_5_IRQHandler Handler for pins connected to line 5 to 9
|
||||
EXTI15_10_IRQn EXTI15_10_IRQHandler Handler for pins connected to line 10 to 15
|
||||
*/
|
||||
|
||||
impl<T: Instance + 'static> WaitForRisingEdge for ExtiPin<T> {
|
||||
type Future<'a> = impl Future<Output = ()> + 'a;
|
||||
impl<'d, T: GpioPin> WaitForRisingEdge for ExtiInput<'d, T> {
|
||||
type Future<'a> = ExtiInputFuture<'a>;
|
||||
|
||||
fn wait_for_rising_edge<'a>(&'a mut self) -> Self::Future<'a> {
|
||||
self.wait_for_edge(EdgeOption::Rising)
|
||||
ExtiInputFuture::new(
|
||||
self.pin.pin.pin(),
|
||||
self.pin.pin.port(),
|
||||
vals::Tr::ENABLED,
|
||||
vals::Tr::DISABLED,
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
impl<T: Instance + 'static> WaitForFallingEdge for ExtiPin<T> {
|
||||
type Future<'a> = impl Future<Output = ()> + 'a;
|
||||
impl<'d, T: GpioPin> WaitForFallingEdge for ExtiInput<'d, T> {
|
||||
type Future<'a> = ExtiInputFuture<'a>;
|
||||
|
||||
fn wait_for_falling_edge<'a>(&'a mut self) -> Self::Future<'a> {
|
||||
self.wait_for_edge(EdgeOption::Falling)
|
||||
ExtiInputFuture::new(
|
||||
self.pin.pin.pin(),
|
||||
self.pin.pin.port(),
|
||||
vals::Tr::DISABLED,
|
||||
vals::Tr::ENABLED,
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
impl<T: Instance + 'static> WaitForAnyEdge for ExtiPin<T> {
|
||||
type Future<'a> = impl Future<Output = ()> + 'a;
|
||||
impl<'d, T: GpioPin> WaitForAnyEdge for ExtiInput<'d, T> {
|
||||
type Future<'a> = ExtiInputFuture<'a>;
|
||||
|
||||
fn wait_for_any_edge<'a>(&'a mut self) -> Self::Future<'a> {
|
||||
self.wait_for_edge(EdgeOption::RisingFalling)
|
||||
ExtiInputFuture::new(
|
||||
self.pin.pin.pin(),
|
||||
self.pin.pin.port(),
|
||||
vals::Tr::ENABLED,
|
||||
vals::Tr::ENABLED,
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
mod private {
|
||||
pub trait Sealed {}
|
||||
pub struct ExtiInputFuture<'a> {
|
||||
pin: u8,
|
||||
phantom: PhantomData<&'a mut AnyPin>,
|
||||
}
|
||||
|
||||
#[derive(Copy, Clone)]
|
||||
pub enum EdgeOption {
|
||||
Rising,
|
||||
Falling,
|
||||
RisingFalling,
|
||||
impl<'a> ExtiInputFuture<'a> {
|
||||
fn new(pin: u8, port: u8, rising: vals::Tr, falling: vals::Tr) -> Self {
|
||||
cortex_m::interrupt::free(|_| unsafe {
|
||||
let pin = pin as usize;
|
||||
SYSCFG.exticr(pin / 4).modify(|w| w.set_exti(pin % 4, port));
|
||||
EXTI.rtsr().modify(|w| w.set_tr(pin, rising));
|
||||
EXTI.ftsr().modify(|w| w.set_tr(pin, falling));
|
||||
EXTI.pr().write(|w| w.set_pr(pin, true)); // clear pending bit
|
||||
EXTI.imr().modify(|w| w.set_mr(pin, vals::Mr::UNMASKED));
|
||||
});
|
||||
|
||||
Self {
|
||||
pin,
|
||||
phantom: PhantomData,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub trait WithInterrupt: private::Sealed {
|
||||
type Interrupt: interrupt::Interrupt;
|
||||
impl<'a> Drop for ExtiInputFuture<'a> {
|
||||
fn drop(&mut self) {
|
||||
cortex_m::interrupt::free(|_| unsafe {
|
||||
let pin = self.pin as _;
|
||||
EXTI.imr().modify(|w| w.set_mr(pin, vals::Mr::MASKED));
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
pub trait Instance: WithInterrupt {
|
||||
fn make_source(&mut self, syscfg: &mut SysCfg);
|
||||
fn clear_pending_bit(&mut self);
|
||||
fn trigger_edge(&mut self, edge: EdgeOption);
|
||||
impl<'a> Future for ExtiInputFuture<'a> {
|
||||
type Output = ();
|
||||
|
||||
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
|
||||
EXTI_WAKERS[self.pin as usize].register(cx.waker());
|
||||
|
||||
if unsafe { EXTI.imr().read().mr(self.pin as _) == vals::Mr::MASKED } {
|
||||
Poll::Ready(())
|
||||
} else {
|
||||
Poll::Pending
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
macro_rules! exti {
|
||||
($set:ident, [
|
||||
$($INT:ident => $pin:ident,)+
|
||||
]) => {
|
||||
$(
|
||||
impl<T> private::Sealed for gpio::$set::$pin<T> {}
|
||||
impl<T> WithInterrupt for gpio::$set::$pin<T> {
|
||||
type Interrupt = interrupt::$INT;
|
||||
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,
|
||||
}
|
||||
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 {
|
||||
$number as usize
|
||||
}
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f401",
|
||||
feature = "stm32f405",
|
||||
feature = "stm32f407",
|
||||
feature = "stm32f410",
|
||||
feature = "stm32f411",
|
||||
feature = "stm32f412",
|
||||
feature = "stm32f413",
|
||||
feature = "stm32f415",
|
||||
feature = "stm32f417",
|
||||
feature = "stm32f423",
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f446",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479",
|
||||
))]
|
||||
impl<T> Instance for gpio::$set::$pin<gpio::Input<T>> {
|
||||
fn make_source(&mut self, syscfg: &mut SysCfg) {
|
||||
use crate::hal::gpio::ExtiPin;
|
||||
self.make_interrupt_source(syscfg);
|
||||
}
|
||||
|
||||
fn clear_pending_bit(&mut self) {
|
||||
use crate::hal::{gpio::Edge, gpio::ExtiPin, syscfg::SysCfg};
|
||||
|
||||
self.clear_interrupt_pending_bit();
|
||||
}
|
||||
|
||||
fn trigger_edge(&mut self, edge: EdgeOption) {
|
||||
use crate::hal::{gpio::Edge, gpio::ExtiPin, syscfg::SysCfg};
|
||||
use crate::pac::EXTI;
|
||||
let mut exti: EXTI = unsafe { mem::transmute(()) };
|
||||
let edge = match edge {
|
||||
EdgeOption::Falling => Edge::FALLING,
|
||||
EdgeOption::Rising => Edge::RISING,
|
||||
EdgeOption::RisingFalling => Edge::RISING_FALLING,
|
||||
};
|
||||
self.trigger_on_edge(&mut exti, edge);
|
||||
self.enable_interrupt(&mut exti);
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(any(feature = "stm32l0x1", feature = "stm32l0x2", feature = "stm32l0x3",))]
|
||||
impl<T> Instance for gpio::$set::$pin<T> {
|
||||
fn make_source(&mut self, syscfg: &mut SysCfg) {}
|
||||
|
||||
fn clear_pending_bit(&mut self) {
|
||||
use crate::hal::{
|
||||
exti::{Exti, ExtiLine, GpioLine, TriggerEdge},
|
||||
syscfg::SYSCFG,
|
||||
};
|
||||
|
||||
Exti::unpend(GpioLine::from_raw_line(self.pin_number()).unwrap());
|
||||
}
|
||||
|
||||
fn trigger_edge(&mut self, edge: EdgeOption) {
|
||||
use crate::hal::{
|
||||
exti::{Exti, ExtiLine, GpioLine, TriggerEdge},
|
||||
syscfg::SYSCFG,
|
||||
};
|
||||
|
||||
use crate::pac::EXTI;
|
||||
|
||||
let edge = match edge {
|
||||
EdgeOption::Falling => TriggerEdge::Falling,
|
||||
EdgeOption::Rising => TriggerEdge::Rising,
|
||||
EdgeOption::RisingFalling => TriggerEdge::Both,
|
||||
};
|
||||
|
||||
let exti: EXTI = unsafe { mem::transmute(()) };
|
||||
let mut exti = Exti::new(exti);
|
||||
let port = self.port();
|
||||
let mut syscfg: SYSCFG = unsafe { mem::transmute(()) };
|
||||
let line = GpioLine::from_raw_line(self.pin_number()).unwrap();
|
||||
exti.listen_gpio(&mut syscfg, port, line, edge);
|
||||
}
|
||||
}
|
||||
)+
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f401",
|
||||
feature = "stm32f405",
|
||||
feature = "stm32f407",
|
||||
feature = "stm32f410",
|
||||
feature = "stm32f411",
|
||||
feature = "stm32f412",
|
||||
feature = "stm32f413",
|
||||
feature = "stm32f415",
|
||||
feature = "stm32f417",
|
||||
feature = "stm32f423",
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f446",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479"
|
||||
))]
|
||||
exti!(gpioa, [
|
||||
EXTI0 => PA0,
|
||||
EXTI1 => PA1,
|
||||
EXTI2 => PA2,
|
||||
EXTI3 => PA3,
|
||||
EXTI4 => PA4,
|
||||
EXTI9_5 => PA5,
|
||||
EXTI9_5 => PA6,
|
||||
EXTI9_5 => PA7,
|
||||
EXTI9_5 => PA8,
|
||||
EXTI9_5 => PA9,
|
||||
EXTI15_10 => PA10,
|
||||
EXTI15_10 => PA11,
|
||||
EXTI15_10 => PA12,
|
||||
EXTI15_10 => PA13,
|
||||
EXTI15_10 => PA14,
|
||||
EXTI15_10 => PA15,
|
||||
]);
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f401",
|
||||
feature = "stm32f405",
|
||||
feature = "stm32f407",
|
||||
feature = "stm32f410",
|
||||
feature = "stm32f411",
|
||||
feature = "stm32f412",
|
||||
feature = "stm32f413",
|
||||
feature = "stm32f415",
|
||||
feature = "stm32f417",
|
||||
feature = "stm32f423",
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f446",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479"
|
||||
))]
|
||||
exti!(gpiob, [
|
||||
EXTI0 => PB0,
|
||||
EXTI1 => PB1,
|
||||
EXTI2 => PB2,
|
||||
EXTI3 => PB3,
|
||||
EXTI4 => PB4,
|
||||
EXTI9_5 => PB5,
|
||||
EXTI9_5 => PB6,
|
||||
EXTI9_5 => PB7,
|
||||
EXTI9_5 => PB8,
|
||||
EXTI9_5 => PB9,
|
||||
EXTI15_10 => PB10,
|
||||
EXTI15_10 => PB11,
|
||||
EXTI15_10 => PB12,
|
||||
EXTI15_10 => PB13,
|
||||
EXTI15_10 => PB14,
|
||||
EXTI15_10 => PB15,
|
||||
]);
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f401",
|
||||
feature = "stm32f405",
|
||||
feature = "stm32f407",
|
||||
feature = "stm32f410",
|
||||
feature = "stm32f411",
|
||||
feature = "stm32f412",
|
||||
feature = "stm32f413",
|
||||
feature = "stm32f415",
|
||||
feature = "stm32f417",
|
||||
feature = "stm32f423",
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f446",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479"
|
||||
))]
|
||||
exti!(gpioc, [
|
||||
EXTI0 => PC0,
|
||||
EXTI1 => PC1,
|
||||
EXTI2 => PC2,
|
||||
EXTI3 => PC3,
|
||||
EXTI4 => PC4,
|
||||
EXTI9_5 => PC5,
|
||||
EXTI9_5 => PC6,
|
||||
EXTI9_5 => PC7,
|
||||
EXTI9_5 => PC8,
|
||||
EXTI9_5 => PC9,
|
||||
EXTI15_10 => PC10,
|
||||
EXTI15_10 => PC11,
|
||||
EXTI15_10 => PC12,
|
||||
EXTI15_10 => PC13,
|
||||
EXTI15_10 => PC14,
|
||||
EXTI15_10 => PC15,
|
||||
]);
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f401",
|
||||
feature = "stm32f405",
|
||||
feature = "stm32f407",
|
||||
feature = "stm32f411",
|
||||
feature = "stm32f412",
|
||||
feature = "stm32f413",
|
||||
feature = "stm32f415",
|
||||
feature = "stm32f417",
|
||||
feature = "stm32f423",
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f446",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479"
|
||||
))]
|
||||
exti!(gpiod, [
|
||||
EXTI0 => PD0,
|
||||
EXTI1 => PD1,
|
||||
EXTI2 => PD2,
|
||||
EXTI3 => PD3,
|
||||
EXTI4 => PD4,
|
||||
EXTI9_5 => PD5,
|
||||
EXTI9_5 => PD6,
|
||||
EXTI9_5 => PD7,
|
||||
EXTI9_5 => PD8,
|
||||
EXTI9_5 => PD9,
|
||||
EXTI15_10 => PD10,
|
||||
EXTI15_10 => PD11,
|
||||
EXTI15_10 => PD12,
|
||||
EXTI15_10 => PD13,
|
||||
EXTI15_10 => PD14,
|
||||
EXTI15_10 => PD15,
|
||||
]);
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f401",
|
||||
feature = "stm32f405",
|
||||
feature = "stm32f407",
|
||||
feature = "stm32f411",
|
||||
feature = "stm32f412",
|
||||
feature = "stm32f413",
|
||||
feature = "stm32f415",
|
||||
feature = "stm32f417",
|
||||
feature = "stm32f423",
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f446",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479"
|
||||
))]
|
||||
exti!(gpioe, [
|
||||
EXTI0 => PE0,
|
||||
EXTI1 => PE1,
|
||||
EXTI2 => PE2,
|
||||
EXTI3 => PE3,
|
||||
EXTI4 => PE4,
|
||||
EXTI9_5 => PE5,
|
||||
EXTI9_5 => PE6,
|
||||
EXTI9_5 => PE7,
|
||||
EXTI9_5 => PE8,
|
||||
EXTI9_5 => PE9,
|
||||
EXTI15_10 => PE10,
|
||||
EXTI15_10 => PE11,
|
||||
EXTI15_10 => PE12,
|
||||
EXTI15_10 => PE13,
|
||||
EXTI15_10 => PE14,
|
||||
EXTI15_10 => PE15,
|
||||
]);
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f405",
|
||||
feature = "stm32f407",
|
||||
feature = "stm32f412",
|
||||
feature = "stm32f413",
|
||||
feature = "stm32f415",
|
||||
feature = "stm32f417",
|
||||
feature = "stm32f423",
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f446",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479"
|
||||
))]
|
||||
exti!(gpiof, [
|
||||
EXTI0 => PF0,
|
||||
EXTI1 => PF1,
|
||||
EXTI2 => PF2,
|
||||
EXTI3 => PF3,
|
||||
EXTI4 => PF4,
|
||||
EXTI9_5 => PF5,
|
||||
EXTI9_5 => PF6,
|
||||
EXTI9_5 => PF7,
|
||||
EXTI9_5 => PF8,
|
||||
EXTI9_5 => PF9,
|
||||
EXTI15_10 => PF10,
|
||||
EXTI15_10 => PF11,
|
||||
EXTI15_10 => PF12,
|
||||
EXTI15_10 => PF13,
|
||||
EXTI15_10 => PF14,
|
||||
EXTI15_10 => PF15,
|
||||
]);
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f405",
|
||||
feature = "stm32f407",
|
||||
feature = "stm32f412",
|
||||
feature = "stm32f413",
|
||||
feature = "stm32f415",
|
||||
feature = "stm32f417",
|
||||
feature = "stm32f423",
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f446",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479"
|
||||
))]
|
||||
exti!(gpiog, [
|
||||
EXTI0 => PG0,
|
||||
EXTI1 => PG1,
|
||||
EXTI2 => PG2,
|
||||
EXTI3 => PG3,
|
||||
EXTI4 => PG4,
|
||||
EXTI9_5 => PG5,
|
||||
EXTI9_5 => PG6,
|
||||
EXTI9_5 => PG7,
|
||||
EXTI9_5 => PG8,
|
||||
EXTI9_5 => PG9,
|
||||
EXTI15_10 => PG10,
|
||||
EXTI15_10 => PG11,
|
||||
EXTI15_10 => PG12,
|
||||
EXTI15_10 => PG13,
|
||||
EXTI15_10 => PG14,
|
||||
EXTI15_10 => PG15,
|
||||
]);
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f405",
|
||||
feature = "stm32f407",
|
||||
feature = "stm32f410",
|
||||
feature = "stm32f411",
|
||||
feature = "stm32f412",
|
||||
feature = "stm32f413",
|
||||
feature = "stm32f415",
|
||||
feature = "stm32f417",
|
||||
feature = "stm32f423",
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f446",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479"
|
||||
))]
|
||||
exti!(gpioh, [
|
||||
EXTI0 => PH0,
|
||||
EXTI1 => PH1,
|
||||
EXTI2 => PH2,
|
||||
EXTI3 => PH3,
|
||||
EXTI4 => PH4,
|
||||
EXTI9_5 => PH5,
|
||||
EXTI9_5 => PH6,
|
||||
EXTI9_5 => PH7,
|
||||
EXTI9_5 => PH8,
|
||||
EXTI9_5 => PH9,
|
||||
EXTI15_10 => PH10,
|
||||
EXTI15_10 => PH11,
|
||||
EXTI15_10 => PH12,
|
||||
EXTI15_10 => PH13,
|
||||
EXTI15_10 => PH14,
|
||||
EXTI15_10 => PH15,
|
||||
]);
|
||||
|
||||
#[cfg(any(feature = "stm32f401"))]
|
||||
exti!(gpioh, [
|
||||
EXTI0 => PH0,
|
||||
EXTI1 => PH1,
|
||||
]);
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f405",
|
||||
feature = "stm32f407",
|
||||
feature = "stm32f415",
|
||||
feature = "stm32f417",
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479"
|
||||
))]
|
||||
exti!(gpioi, [
|
||||
EXTI0 => PI0,
|
||||
EXTI1 => PI1,
|
||||
EXTI2 => PI2,
|
||||
EXTI3 => PI3,
|
||||
EXTI4 => PI4,
|
||||
EXTI9_5 => PI5,
|
||||
EXTI9_5 => PI6,
|
||||
EXTI9_5 => PI7,
|
||||
EXTI9_5 => PI8,
|
||||
EXTI9_5 => PI9,
|
||||
EXTI15_10 => PI10,
|
||||
EXTI15_10 => PI11,
|
||||
EXTI15_10 => PI12,
|
||||
EXTI15_10 => PI13,
|
||||
EXTI15_10 => PI14,
|
||||
EXTI15_10 => PI15,
|
||||
]);
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479"
|
||||
))]
|
||||
exti!(gpioj, [
|
||||
EXTI0 => PJ0,
|
||||
EXTI1 => PJ1,
|
||||
EXTI2 => PJ2,
|
||||
EXTI3 => PJ3,
|
||||
EXTI4 => PJ4,
|
||||
EXTI9_5 => PJ5,
|
||||
EXTI9_5 => PJ6,
|
||||
EXTI9_5 => PJ7,
|
||||
EXTI9_5 => PJ8,
|
||||
EXTI9_5 => PJ9,
|
||||
EXTI15_10 => PJ10,
|
||||
EXTI15_10 => PJ11,
|
||||
EXTI15_10 => PJ12,
|
||||
EXTI15_10 => PJ13,
|
||||
EXTI15_10 => PJ14,
|
||||
EXTI15_10 => PJ15,
|
||||
]);
|
||||
|
||||
#[cfg(any(
|
||||
feature = "stm32f427",
|
||||
feature = "stm32f429",
|
||||
feature = "stm32f437",
|
||||
feature = "stm32f439",
|
||||
feature = "stm32f469",
|
||||
feature = "stm32f479"
|
||||
))]
|
||||
exti!(gpiok, [
|
||||
EXTI0 => PK0,
|
||||
EXTI1 => PK1,
|
||||
EXTI2 => PK2,
|
||||
EXTI3 => PK3,
|
||||
EXTI4 => PK4,
|
||||
EXTI9_5 => PK5,
|
||||
EXTI9_5 => PK6,
|
||||
EXTI9_5 => PK7,
|
||||
]);
|
||||
|
||||
#[cfg(any(feature = "stm32l0x1", feature = "stm32l0x2", feature = "stm32l0x3",))]
|
||||
exti!(gpioa, [
|
||||
EXTI0_1 => PA0,
|
||||
EXTI0_1 => PA1,
|
||||
EXTI2_3 => PA2,
|
||||
EXTI2_3 => PA3,
|
||||
EXTI4_15 => PA4,
|
||||
EXTI4_15 => PA5,
|
||||
EXTI4_15 => PA6,
|
||||
EXTI4_15 => PA7,
|
||||
EXTI4_15 => PA8,
|
||||
EXTI4_15 => PA9,
|
||||
EXTI4_15 => PA10,
|
||||
EXTI4_15 => PA11,
|
||||
EXTI4_15 => PA12,
|
||||
EXTI4_15 => PA13,
|
||||
EXTI4_15 => PA14,
|
||||
EXTI4_15 => PA15,
|
||||
]);
|
||||
|
||||
#[cfg(any(feature = "stm32l0x1", feature = "stm32l0x2", feature = "stm32l0x3",))]
|
||||
exti!(gpiob, [
|
||||
EXTI0_1 => PB0,
|
||||
EXTI0_1 => PB1,
|
||||
EXTI2_3 => PB2,
|
||||
EXTI2_3 => PB3,
|
||||
EXTI4_15 => PB4,
|
||||
EXTI4_15 => PB5,
|
||||
EXTI4_15 => PB6,
|
||||
EXTI4_15 => PB7,
|
||||
EXTI4_15 => PB8,
|
||||
EXTI4_15 => PB9,
|
||||
EXTI4_15 => PB10,
|
||||
EXTI4_15 => PB11,
|
||||
EXTI4_15 => PB12,
|
||||
EXTI4_15 => PB13,
|
||||
EXTI4_15 => PB14,
|
||||
EXTI4_15 => PB15,
|
||||
]);
|
||||
|
||||
#[cfg(any(feature = "stm32l0x1", feature = "stm32l0x2", feature = "stm32l0x3",))]
|
||||
exti!(gpioc, [
|
||||
EXTI0_1 => PC0,
|
||||
EXTI0_1 => PC1,
|
||||
EXTI2_3 => PC2,
|
||||
EXTI2_3 => PC3,
|
||||
EXTI4_15 => PC4,
|
||||
EXTI4_15 => PC5,
|
||||
EXTI4_15 => PC6,
|
||||
EXTI4_15 => PC7,
|
||||
EXTI4_15 => PC8,
|
||||
EXTI4_15 => PC9,
|
||||
EXTI4_15 => PC10,
|
||||
EXTI4_15 => PC11,
|
||||
EXTI4_15 => PC12,
|
||||
EXTI4_15 => PC13,
|
||||
EXTI4_15 => PC14,
|
||||
EXTI4_15 => PC15,
|
||||
]);
|
||||
|
||||
#[cfg(any(feature = "stm32l0x1", feature = "stm32l0x2", feature = "stm32l0x3",))]
|
||||
exti!(gpiod, [
|
||||
EXTI0_1 => PD0,
|
||||
EXTI0_1 => PD1,
|
||||
EXTI2_3 => PD2,
|
||||
EXTI2_3 => PD3,
|
||||
EXTI4_15 => PD4,
|
||||
EXTI4_15 => PD5,
|
||||
EXTI4_15 => PD6,
|
||||
EXTI4_15 => PD7,
|
||||
EXTI4_15 => PD8,
|
||||
EXTI4_15 => PD9,
|
||||
EXTI4_15 => PD10,
|
||||
EXTI4_15 => PD11,
|
||||
EXTI4_15 => PD12,
|
||||
EXTI4_15 => PD13,
|
||||
EXTI4_15 => PD14,
|
||||
EXTI4_15 => PD15,
|
||||
]);
|
||||
|
||||
#[cfg(any(feature = "stm32l0x1", feature = "stm32l0x2", feature = "stm32l0x3",))]
|
||||
exti!(gpioe, [
|
||||
EXTI0_1 => PE0,
|
||||
EXTI0_1 => PE1,
|
||||
EXTI2_3 => PE2,
|
||||
EXTI2_3 => PE3,
|
||||
EXTI4_15 => PE4,
|
||||
EXTI4_15 => PE5,
|
||||
EXTI4_15 => PE6,
|
||||
EXTI4_15 => PE7,
|
||||
EXTI4_15 => PE8,
|
||||
EXTI4_15 => PE9,
|
||||
EXTI4_15 => PE10,
|
||||
EXTI4_15 => PE11,
|
||||
EXTI4_15 => PE12,
|
||||
EXTI4_15 => PE13,
|
||||
EXTI4_15 => PE14,
|
||||
EXTI4_15 => PE15,
|
||||
]);
|
||||
|
||||
#[cfg(any(feature = "stm32l0x1", feature = "stm32l0x2", feature = "stm32l0x3",))]
|
||||
exti!(gpioh, [
|
||||
EXTI0_1 => PH0,
|
||||
EXTI0_1 => PH1,
|
||||
EXTI4_15 => PH9,
|
||||
EXTI4_15 => PH10,
|
||||
]);
|
||||
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);
|
||||
|
|
|
|||
|
|
@ -1,8 +1,6 @@
|
|||
use core::convert::Infallible;
|
||||
use core::hint::unreachable_unchecked;
|
||||
use core::marker::PhantomData;
|
||||
|
||||
use embassy::util::PeripheralBorrow;
|
||||
use embassy::util::Unborrow;
|
||||
use embassy_extras::{impl_unborrow, unborrow};
|
||||
use embedded_hal::digital::v2::{InputPin, OutputPin, StatefulOutputPin};
|
||||
use gpio::vals;
|
||||
|
|
@ -10,13 +8,6 @@ use gpio::vals;
|
|||
use crate::pac::gpio_v2 as gpio;
|
||||
use crate::peripherals;
|
||||
|
||||
/// A GPIO port with up to 16 pins.
|
||||
#[derive(Debug, Eq, PartialEq)]
|
||||
pub enum Port {
|
||||
PortA,
|
||||
PortB,
|
||||
}
|
||||
|
||||
/// Pull setting for an input.
|
||||
#[derive(Debug, Eq, PartialEq)]
|
||||
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
|
||||
|
|
@ -33,7 +24,7 @@ pub struct Input<'d, T: Pin> {
|
|||
}
|
||||
|
||||
impl<'d, T: Pin> Input<'d, T> {
|
||||
pub fn new(pin: impl PeripheralBorrow<Target = T> + 'd, pull: Pull) -> Self {
|
||||
pub fn new(pin: impl Unborrow<Target = T> + 'd, pull: Pull) -> Self {
|
||||
unborrow!(pin);
|
||||
|
||||
cortex_m::interrupt::free(|_| unsafe {
|
||||
|
|
@ -94,7 +85,7 @@ pub struct Output<'d, T: Pin> {
|
|||
}
|
||||
|
||||
impl<'d, T: Pin> Output<'d, T> {
|
||||
pub fn new(pin: impl PeripheralBorrow<Target = T> + 'd, initial_output: Level) -> Self {
|
||||
pub fn new(pin: impl Unborrow<Target = T> + 'd, initial_output: Level) -> Self {
|
||||
unborrow!(pin);
|
||||
|
||||
match initial_output {
|
||||
|
|
@ -173,6 +164,7 @@ pub(crate) mod sealed {
|
|||
|
||||
#[inline]
|
||||
fn block(&self) -> gpio::Gpio {
|
||||
// TODO hardcoding peripheral addrs until we figure out how these are handled in the metapac
|
||||
let p = 0x4002_0000 + (self._port() as u32) * 0x400;
|
||||
gpio::Gpio(p as *mut u8)
|
||||
}
|
||||
|
|
@ -181,9 +173,8 @@ pub(crate) mod sealed {
|
|||
#[inline]
|
||||
fn set_high(&self) {
|
||||
unsafe {
|
||||
self.block()
|
||||
.bsrr()
|
||||
.write(|w| w.set_bs(self._pin() as _, true));
|
||||
let n = self._pin() as _;
|
||||
self.block().bsrr().write(|w| w.set_bs(n, true));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -191,9 +182,8 @@ pub(crate) mod sealed {
|
|||
#[inline]
|
||||
fn set_low(&self) {
|
||||
unsafe {
|
||||
self.block()
|
||||
.bsrr()
|
||||
.write(|w| w.set_br(self._pin() as _, true));
|
||||
let n = self._pin() as _;
|
||||
self.block().bsrr().write(|w| w.set_br(n, true));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -202,6 +192,8 @@ pub(crate) mod sealed {
|
|||
}
|
||||
|
||||
pub trait Pin: sealed::Pin + Sized {
|
||||
type ExtiChannel: crate::exti::Channel;
|
||||
|
||||
/// Number of the pin within the port (0..31)
|
||||
#[inline]
|
||||
fn pin(&self) -> u8 {
|
||||
|
|
@ -210,12 +202,8 @@ pub trait Pin: sealed::Pin + Sized {
|
|||
|
||||
/// Port of the pin
|
||||
#[inline]
|
||||
fn port(&self) -> Port {
|
||||
match self.pin_port() / 16 {
|
||||
0 => Port::PortA,
|
||||
1 => Port::PortB,
|
||||
_ => unsafe { unreachable_unchecked() },
|
||||
}
|
||||
fn port(&self) -> u8 {
|
||||
self._port()
|
||||
}
|
||||
|
||||
#[inline]
|
||||
|
|
@ -245,7 +233,9 @@ impl AnyPin {
|
|||
}
|
||||
|
||||
impl_unborrow!(AnyPin);
|
||||
impl Pin for AnyPin {}
|
||||
impl Pin for AnyPin {
|
||||
type ExtiChannel = crate::exti::AnyChannel;
|
||||
}
|
||||
impl sealed::Pin for AnyPin {
|
||||
#[inline]
|
||||
fn pin_port(&self) -> u8 {
|
||||
|
|
@ -288,31 +278,20 @@ impl<T: Pin> OptionalPin for T {
|
|||
}
|
||||
}
|
||||
|
||||
// Uninhabited enum, so it's actually impossible to create a DummyPin value.
|
||||
#[doc(hidden)]
|
||||
pub enum DummyPin {}
|
||||
impl Pin for DummyPin {}
|
||||
impl sealed::Pin for DummyPin {
|
||||
#[inline]
|
||||
fn pin_port(&self) -> u8 {
|
||||
unreachable!()
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy, Debug)]
|
||||
pub struct NoPin;
|
||||
impl_unborrow!(NoPin);
|
||||
impl sealed::OptionalPin for NoPin {}
|
||||
impl OptionalPin for NoPin {
|
||||
type Pin = DummyPin;
|
||||
type Pin = AnyPin;
|
||||
|
||||
#[inline]
|
||||
fn pin(&self) -> Option<&DummyPin> {
|
||||
fn pin(&self) -> Option<&AnyPin> {
|
||||
None
|
||||
}
|
||||
|
||||
#[inline]
|
||||
fn pin_mut(&mut self) -> Option<&mut DummyPin> {
|
||||
fn pin_mut(&mut self) -> Option<&mut AnyPin> {
|
||||
None
|
||||
}
|
||||
}
|
||||
|
|
@ -320,8 +299,10 @@ impl OptionalPin for NoPin {
|
|||
// ====================
|
||||
|
||||
macro_rules! impl_pin {
|
||||
($type:ident, $port_num:expr, $pin_num:expr) => {
|
||||
impl Pin for peripherals::$type {}
|
||||
($type:ident, $port_num:expr, $pin_num:expr, $exti_ch:ident) => {
|
||||
impl Pin for peripherals::$type {
|
||||
type ExtiChannel = peripherals::$exti_ch;
|
||||
}
|
||||
impl sealed::Pin for peripherals::$type {
|
||||
#[inline]
|
||||
fn pin_port(&self) -> u8 {
|
||||
|
|
@ -331,51 +312,51 @@ macro_rules! impl_pin {
|
|||
};
|
||||
}
|
||||
|
||||
impl_pin!(PA0, 0, 0);
|
||||
impl_pin!(PA1, 0, 1);
|
||||
impl_pin!(PA2, 0, 2);
|
||||
impl_pin!(PA3, 0, 3);
|
||||
impl_pin!(PA4, 0, 4);
|
||||
impl_pin!(PA5, 0, 5);
|
||||
impl_pin!(PA6, 0, 6);
|
||||
impl_pin!(PA7, 0, 7);
|
||||
impl_pin!(PA8, 0, 8);
|
||||
impl_pin!(PA9, 0, 9);
|
||||
impl_pin!(PA10, 0, 10);
|
||||
impl_pin!(PA11, 0, 11);
|
||||
impl_pin!(PA12, 0, 12);
|
||||
impl_pin!(PA13, 0, 13);
|
||||
impl_pin!(PA14, 0, 14);
|
||||
impl_pin!(PA15, 0, 15);
|
||||
impl_pin!(PB0, 1, 0);
|
||||
impl_pin!(PB1, 1, 1);
|
||||
impl_pin!(PB2, 1, 2);
|
||||
impl_pin!(PB3, 1, 3);
|
||||
impl_pin!(PB4, 1, 4);
|
||||
impl_pin!(PB5, 1, 5);
|
||||
impl_pin!(PB6, 1, 6);
|
||||
impl_pin!(PB7, 1, 7);
|
||||
impl_pin!(PB8, 1, 8);
|
||||
impl_pin!(PB9, 1, 9);
|
||||
impl_pin!(PB10, 1, 10);
|
||||
impl_pin!(PB11, 1, 11);
|
||||
impl_pin!(PB12, 1, 12);
|
||||
impl_pin!(PB13, 1, 13);
|
||||
impl_pin!(PB14, 1, 14);
|
||||
impl_pin!(PB15, 1, 15);
|
||||
impl_pin!(PC0, 2, 0);
|
||||
impl_pin!(PC1, 2, 1);
|
||||
impl_pin!(PC2, 2, 2);
|
||||
impl_pin!(PC3, 2, 3);
|
||||
impl_pin!(PC4, 2, 4);
|
||||
impl_pin!(PC5, 2, 5);
|
||||
impl_pin!(PC6, 2, 6);
|
||||
impl_pin!(PC7, 2, 7);
|
||||
impl_pin!(PC8, 2, 8);
|
||||
impl_pin!(PC9, 2, 9);
|
||||
impl_pin!(PC10, 2, 10);
|
||||
impl_pin!(PC11, 2, 11);
|
||||
impl_pin!(PC12, 2, 12);
|
||||
impl_pin!(PC13, 2, 13);
|
||||
impl_pin!(PC14, 2, 14);
|
||||
impl_pin!(PC15, 2, 15);
|
||||
impl_pin!(PA0, 0, 0, EXTI0);
|
||||
impl_pin!(PA1, 0, 1, EXTI1);
|
||||
impl_pin!(PA2, 0, 2, EXTI2);
|
||||
impl_pin!(PA3, 0, 3, EXTI3);
|
||||
impl_pin!(PA4, 0, 4, EXTI4);
|
||||
impl_pin!(PA5, 0, 5, EXTI5);
|
||||
impl_pin!(PA6, 0, 6, EXTI6);
|
||||
impl_pin!(PA7, 0, 7, EXTI7);
|
||||
impl_pin!(PA8, 0, 8, EXTI8);
|
||||
impl_pin!(PA9, 0, 9, EXTI9);
|
||||
impl_pin!(PA10, 0, 10, EXTI10);
|
||||
impl_pin!(PA11, 0, 11, EXTI11);
|
||||
impl_pin!(PA12, 0, 12, EXTI12);
|
||||
impl_pin!(PA13, 0, 13, EXTI13);
|
||||
impl_pin!(PA14, 0, 14, EXTI14);
|
||||
impl_pin!(PA15, 0, 15, EXTI15);
|
||||
impl_pin!(PB0, 1, 0, EXTI0);
|
||||
impl_pin!(PB1, 1, 1, EXTI1);
|
||||
impl_pin!(PB2, 1, 2, EXTI2);
|
||||
impl_pin!(PB3, 1, 3, EXTI3);
|
||||
impl_pin!(PB4, 1, 4, EXTI4);
|
||||
impl_pin!(PB5, 1, 5, EXTI5);
|
||||
impl_pin!(PB6, 1, 6, EXTI6);
|
||||
impl_pin!(PB7, 1, 7, EXTI7);
|
||||
impl_pin!(PB8, 1, 8, EXTI8);
|
||||
impl_pin!(PB9, 1, 9, EXTI9);
|
||||
impl_pin!(PB10, 1, 10, EXTI10);
|
||||
impl_pin!(PB11, 1, 11, EXTI11);
|
||||
impl_pin!(PB12, 1, 12, EXTI12);
|
||||
impl_pin!(PB13, 1, 13, EXTI13);
|
||||
impl_pin!(PB14, 1, 14, EXTI14);
|
||||
impl_pin!(PB15, 1, 15, EXTI15);
|
||||
impl_pin!(PC0, 2, 0, EXTI0);
|
||||
impl_pin!(PC1, 2, 1, EXTI1);
|
||||
impl_pin!(PC2, 2, 2, EXTI2);
|
||||
impl_pin!(PC3, 2, 3, EXTI3);
|
||||
impl_pin!(PC4, 2, 4, EXTI4);
|
||||
impl_pin!(PC5, 2, 5, EXTI5);
|
||||
impl_pin!(PC6, 2, 6, EXTI6);
|
||||
impl_pin!(PC7, 2, 7, EXTI7);
|
||||
impl_pin!(PC8, 2, 8, EXTI8);
|
||||
impl_pin!(PC9, 2, 9, EXTI9);
|
||||
impl_pin!(PC10, 2, 10, EXTI10);
|
||||
impl_pin!(PC11, 2, 11, EXTI11);
|
||||
impl_pin!(PC12, 2, 12, EXTI12);
|
||||
impl_pin!(PC13, 2, 13, EXTI13);
|
||||
impl_pin!(PC14, 2, 14, EXTI14);
|
||||
impl_pin!(PC15, 2, 15, EXTI15);
|
||||
|
|
|
|||
|
|
@ -28,8 +28,9 @@ pub mod fmt;
|
|||
mod chip;
|
||||
pub use chip::{peripherals, Peripherals};
|
||||
|
||||
pub mod exti;
|
||||
pub mod gpio;
|
||||
//pub mod exti;
|
||||
//pub mod rtc;
|
||||
//pub mod interrupt;
|
||||
|
||||
pub(crate) use stm32_metapac as pac;
|
||||
|
|
|
|||
Loading…
Reference in a new issue