swaitsandClaude Opus 4.6
3102fc747a
Implement full SSD1306 OLED display support: - Splash screen on boot (1.5s) with project name, version, board - Dashboard showing radio state, config, counters, RSSI/SNR - RSSI history sparkline (64-sample ring buffer, 2px-wide bars) - DisplayOn/DisplayOff host commands routed via dedicated channel - Pure render functions against generic DrawTarget (no hardware coupling) - Display on/off control bypasses radio task entirely Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
83 lines
3.3 KiB
Rust
83 lines
3.3 KiB
Rust
use crate::repr::EnumSetTypeRepr;
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#[cfg(feature = "serde")]
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use crate::EnumSet;
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/// The trait used to define enum types that may be used with [`EnumSet`].
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///
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/// This trait must be impelmented using `#[derive(EnumSetType)]`, is not public API, and its
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/// internal structure may change at any time with no warning.
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///
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/// For full documentation on the procedural derive and its options, see
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/// [`#[derive(EnumSetType)]`](derive@crate::EnumSetType).
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///
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/// [`EnumSet`]: crate::set::EnumSet
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pub unsafe trait EnumSetType: Copy + Eq + EnumSetTypePrivate {}
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/// An [`EnumSetType`] for which [`EnumSet`]s have a guaranteed in-memory representation.
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///
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/// An implementation of this trait is generated by using
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/// [`#[derive(EnumSetType)]`](derive@crate::EnumSetType) with the annotation
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/// `#[enumset(repr = "…")]`, where `…` is `u8`, `u16`, `u32`, `u64` or `u128`.
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///
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/// For any type `T` that implements this trait, the in-memory representation of `EnumSet<T>`
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/// is guaranteed to be `Repr`. This guarantee is useful for FFI. See [the `EnumSet` documentation
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/// under “FFI, Safety and `repr`”][crate::set::EnumSet#ffi-safety-and-repr] for an example.
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///
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/// [`EnumSet`]: crate::set::EnumSet
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pub unsafe trait EnumSetTypeWithRepr:
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EnumSetType + EnumSetTypePrivate<Repr = <Self as EnumSetTypeWithRepr>::Repr>
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{
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/// The guaranteed representation.
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type Repr: EnumSetTypeRepr;
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}
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/// The actual members of EnumSetType. Put here to avoid polluting global namespaces.
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pub unsafe trait EnumSetTypePrivate: EnumSetConstHelper + Sized {
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/// The underlying type used to store the bitset.
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type Repr: EnumSetTypeRepr;
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/// A mask of bits that are valid in the bitset.
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const ALL_BITS: Self::Repr;
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/// The largest bit used in the bitset.
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const BIT_WIDTH: u32;
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/// The number of variants in the bitset.
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const VARIANT_COUNT: u32;
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/// Converts an enum of this type into its bit position.
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fn enum_into_u32(self) -> u32;
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/// Converts a bit position into an enum value.
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unsafe fn enum_from_u32(val: u32) -> Self;
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/// Converts a bit position into an enum value, with an debug_assert.
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unsafe fn enum_from_u32_checked(val: u32) -> Self {
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debug_assert!(Self::ALL_BITS.has_bit(val), "Unknown bit retrieved from bitset.");
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Self::enum_from_u32(val)
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}
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/// Serializes the `EnumSet`.
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///
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/// This and `deserialize` are part of the `EnumSetType` trait so the procedural derive
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/// can control how `EnumSet` is serialized.
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#[cfg(feature = "serde")]
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fn serialize<S: serde::Serializer>(set: EnumSet<Self>, ser: S) -> Result<S::Ok, S::Error>
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where Self: EnumSetType;
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/// Deserializes the `EnumSet`.
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#[cfg(feature = "serde")]
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fn deserialize<'de, D: serde::Deserializer<'de>>(de: D) -> Result<EnumSet<Self>, D::Error>
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where Self: EnumSetType;
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}
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/// Retrieves a helper type for constant time operations on `EnumSet`s.
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pub unsafe trait EnumSetConstHelper {
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/// A helper type used to convert values to EnumSets at compile-time.
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type ConstInitHelper;
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/// The instance of the `ConstInitHelper`.
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const CONST_INIT_HELPER: Self::ConstInitHelper;
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/// A helper type used to implement compile-time operations on enums.
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type ConstOpHelper;
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/// The instance of the `ConstOpHelper`.
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const CONST_OP_HELPER: Self::ConstOpHelper;
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}
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