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Merge pull request #1244 from embassy-rs/interruptexecutor

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cortex-m/executor: don't use the owned interrupts system.
This commit is contained in:
Dario Nieuwenhuis
2023-03-01 22:38:27 +01:00
committed by GitHub
parent 206b4b597e 4dfa32b1e0
commit c4f4aa10f9
6 changed files with 152 additions and 85 deletions
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36
examples/stm32f4/src/bin/multiprio.rs
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@ -57,11 +57,14 @@
#![no_main]
#![feature(type_alias_impl_trait)]
use core::mem;
use cortex_m::peripheral::NVIC;
use cortex_m_rt::entry;
use defmt::*;
use embassy_stm32::executor::{Executor, InterruptExecutor};
use embassy_stm32::interrupt;
use embassy_stm32::interrupt::InterruptExt;
use embassy_stm32::pac::Interrupt;
use embassy_time::{Duration, Instant, Timer};
use static_cell::StaticCell;
use {defmt_rtt as _, panic_probe as _};
@ -108,28 +111,35 @@ async fn run_low() {
}
}
static EXECUTOR_HIGH: StaticCell<InterruptExecutor<interrupt::UART4>> = StaticCell::new();
static EXECUTOR_MED: StaticCell<InterruptExecutor<interrupt::UART5>> = StaticCell::new();
static EXECUTOR_HIGH: InterruptExecutor = InterruptExecutor::new();
static EXECUTOR_MED: InterruptExecutor = InterruptExecutor::new();
static EXECUTOR_LOW: StaticCell<Executor> = StaticCell::new();
#[interrupt]
unsafe fn UART4() {
EXECUTOR_HIGH.on_interrupt()
}
#[interrupt]
unsafe fn UART5() {
EXECUTOR_MED.on_interrupt()
}
#[entry]
fn main() -> ! {
info!("Hello World!");
let _p = embassy_stm32::init(Default::default());
let mut nvic: NVIC = unsafe { mem::transmute(()) };
// High-priority executor: SWI1_EGU1, priority level 6
let irq = interrupt::take!(UART4);
irq.set_priority(interrupt::Priority::P6);
let executor = EXECUTOR_HIGH.init(InterruptExecutor::new(irq));
let spawner = executor.start();
// High-priority executor: UART4, priority level 6
unsafe { nvic.set_priority(Interrupt::UART4, 6 << 4) };
let spawner = EXECUTOR_HIGH.start(Interrupt::UART4);
unwrap!(spawner.spawn(run_high()));
// Medium-priority executor: SWI0_EGU0, priority level 7
let irq = interrupt::take!(UART5);
irq.set_priority(interrupt::Priority::P7);
let executor = EXECUTOR_MED.init(InterruptExecutor::new(irq));
let spawner = executor.start();
// Medium-priority executor: UART5, priority level 7
unsafe { nvic.set_priority(Interrupt::UART5, 7 << 4) };
let spawner = EXECUTOR_MED.start(Interrupt::UART5);
unwrap!(spawner.spawn(run_med()));
// Low priority executor: runs in thread mode, using WFE/SEV