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donglora/vendor/maybe-async-cfg/tests/ui/03-must-be-sync.rs
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swaitsandClaude Opus 4.6 3102fc747a feat: add display UI with splash screen, dashboard, and RSSI sparkline
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>
2026-03-29 20:42:54 -06:00

58 lines
1.2 KiB
Rust

#![allow(dead_code)]
#[maybe_async_cfg::maybe(sync(feature = "is_sync"))]
trait Trait {
fn sync_fn() {}
async fn declare_async(&self);
async fn async_fn(&self) {
self.declare_async().await
}
}
#[maybe_async_cfg::maybe(sync(feature = "is_sync"))]
pub trait PubTrait {
fn sync_fn() {}
async fn declare_async(&self);
async fn async_fn(&self) {
self.declare_async().await
}
}
#[maybe_async_cfg::maybe(keep_self, sync(feature = "is_sync"))]
async fn async_fn() {}
#[maybe_async_cfg::maybe(keep_self, sync(feature = "is_sync"))]
pub async fn pub_async_fn() {}
struct Struct;
#[maybe_async_cfg::maybe(keep_self, idents(Trait), sync(feature = "is_sync"))]
impl Trait for Struct {
fn sync_fn() {}
async fn declare_async(&self) {}
async fn async_fn(&self) {
async { self.declare_async().await }.await
}
}
#[cfg(feature = "is_sync")]
fn main() -> std::result::Result<(), ()> {
let s = Struct;
s.declare_async();
s.async_fn();
async_fn();
pub_async_fn();
Ok(())
}
#[cfg(not(feature = "is_sync"))]
#[async_std::main]
async fn main() {}