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avr: support sleep

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sodo 2024-01-01 21:18:30 +09:00
parent 172ed52128
commit b7cd7952c8
3 changed files with 19 additions and 6 deletions
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4
ci.sh
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@ -208,8 +208,8 @@ cargo batch \
$BUILD_EXTRA
# walkaround: "-Z" option not working on cargo batch
cargo build --release --manifest-path embassy-executor/Cargo.toml --target avr-unknown-gnu-atmega328 -Z build-std=core,alloc --features nightly,arch-avr
cargo build --release --manifest-path embassy-executor/Cargo.toml --target avr-unknown-gnu-atmega328 -Z build-std=core,alloc --features nightly,arch-avr,integrated-timers
cargo build --release --manifest-path embassy-executor/Cargo.toml --target avr-unknown-gnu-atmega328 -Z build-std=core,alloc --features nightly,arch-avr,avr-device/atmega328p
cargo build --release --manifest-path embassy-executor/Cargo.toml --target avr-unknown-gnu-atmega328 -Z build-std=core,alloc --features nightly,arch-avr,integrated-timers,avr-device/atmega328p
rm out/tests/stm32wb55rg/wpan_mac

8
embassy-executor/Cargo.toml
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@ -36,10 +36,11 @@ embassy-executor-macros = { version = "0.4.0", path = "../embassy-executor-macro
embassy-time = { version = "0.2", path = "../embassy-time", optional = true}
critical-section = "1.1"
# needed for riscv
# needed for riscv and avr
# remove when https://github.com/rust-lang/rust/pull/114499 is merged
portable-atomic = { version = "1.5", optional = true }
# arch-cortex-m dependencies
cortex-m = { version = "0.7.6", optional = true }
@ -47,6 +48,9 @@ cortex-m = { version = "0.7.6", optional = true }
wasm-bindgen = { version = "0.2.82", optional = true }
js-sys = { version = "0.3", optional = true }
# arch-avr dependencies
avr-device = { version = "0.5.3", optional = true }
[dev-dependencies]
critical-section = { version = "1.1", features = ["std"] }
@ -55,7 +59,7 @@ critical-section = { version = "1.1", features = ["std"] }
# Architecture
_arch = [] # some arch was picked
arch-avr = ["_arch", "dep:portable-atomic"]
arch-avr = ["_arch", "dep:portable-atomic", "dep:avr-device"]
arch-std = ["_arch", "critical-section/std"]
arch-cortex-m = ["_arch", "dep:cortex-m"]
arch-riscv32 = ["_arch", "dep:portable-atomic"]

13
embassy-executor/src/arch/avr.rs
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@ -8,11 +8,16 @@ mod thread {
use core::marker::PhantomData;
pub use embassy_executor_macros::main_avr as main;
use portable_atomic::{AtomicBool, Ordering};
use crate::{raw, Spawner};
static SIGNAL_WORK_THREAD_MODE: AtomicBool = AtomicBool::new(false);
#[export_name = "__pender"]
fn __pender(_context: *mut ()) {}
fn __pender(_context: *mut ()) {
SIGNAL_WORK_THREAD_MODE.store(true, Ordering::SeqCst);
}
/// avr Executor
pub struct Executor {
@ -52,7 +57,11 @@ mod thread {
loop {
unsafe {
self.inner.poll();
if SIGNAL_WORK_THREAD_MODE.swap(false, Ordering::SeqCst) {
self.inner.poll();
} else {
avr_device::asm::sleep();
}
}
}
}