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Merge pull request #502 from jannic/remove-critical-section-0.2

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Remove support for deprecated version 0.2 of critical-section
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Jan Niehusmann 2022-11-23 11:05:25 +01:00 committed by GitHub
parent 4b2b33b950 e3a6612366
commit 6fca82f810
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4 changed files with 4 additions and 19 deletions
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4
rp2040-hal/CHANGELOG.md
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@ -32,6 +32,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Add a method to allow setting the PIO's clock divisor without floats - @ithinuel
- Use TimerInstant in Timer::GetCounter & add Alarm::schedule_at - @ithinuel
### Removed
- Removed support for critical-section 0.2 (was already deprecated) - @jannic
## [0.6.0] - 2022-08-26
### Added

3
rp2040-hal/Cargo.toml
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@ -29,9 +29,6 @@ usb-device = "0.2.9"
vcell = "0.1"
void = { version = "1.0.2", default-features = false }
rand_core = "0.6.3"
# Always set the custom-impl feature of legacy critical-section, even if we don't provide our own,
# as the default implementation should no longer be used.
critical-section_0_2 = { package = "critical-section", version = "0.2.4", features = ["custom-impl"] }
critical-section = { version = "1.0.0" }
chrono = { version = "0.4", default-features = false, optional = true }

5
rp2040-hal/README.md
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@ -105,11 +105,6 @@ at the same time.
The new blocking [SPI traits](https://docs.rs/embedded-hal/1.0.0-alpha.8/embedded_hal/spi/blocking/index.html)
are not yet implemented.
### Support for critical-section 0.2
While `rp2040-hal` uses critical-section 1.0, it still provides support for version 0.2.
That version is deprecated, and support will be removed in a future release. Please upgrade.
<!-- CONTRIBUTING -->
## Contributing

11
rp2040-hal/src/critical_section_impl.rs
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@ -1,7 +1,6 @@
use core::sync::atomic::{AtomicU8, Ordering};
struct RpSpinlockCs;
critical_section_0_2::custom_impl!(RpSpinlockCs);
critical_section::set_impl!(RpSpinlockCs);
/// Marker value to indicate no-one has the lock.
@ -22,16 +21,6 @@ static LOCK_OWNER: AtomicU8 = AtomicU8::new(LOCK_UNOWNED);
/// The value 2 indicates that we aren't the outermost call, and should not release the spinlock or re-enable interrupts in `release`
const LOCK_ALREADY_OWNED: u8 = 2;
unsafe impl critical_section_0_2::Impl for RpSpinlockCs {
unsafe fn acquire() -> u8 {
RpSpinlockCs::acquire()
}
unsafe fn release(token: u8) {
RpSpinlockCs::release(token);
}
}
unsafe impl critical_section::Impl for RpSpinlockCs {
unsafe fn acquire() -> u8 {
RpSpinlockCs::acquire()