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donglora/vendor/winnow/examples/c_expression/main.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

47 lines
944 B
Rust

use winnow::prelude::*;
mod parser;
#[cfg(test)]
mod test;
fn main() -> Result<(), lexopt::Error> {
let args = Args::parse()?;
let input = args.input.as_deref().unwrap_or("1 + 1");
match parser::pratt_parser.parse(input) {
Ok(result) => {
println!("{result}");
}
Err(err) => {
println!("FAILED");
println!("{err}");
}
}
Ok(())
}
#[derive(Default)]
struct Args {
input: Option<String>,
}
impl Args {
fn parse() -> Result<Self, lexopt::Error> {
use lexopt::prelude::*;
let mut res = Args::default();
let mut args = lexopt::Parser::from_env();
while let Some(arg) = args.next()? {
match arg {
Value(input) => {
res.input = Some(input.string()?);
}
_ => return Err(arg.unexpected()),
}
}
Ok(res)
}
}