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>
38 lines
839 B
Rust
38 lines
839 B
Rust
use std::io::{Read, Result};
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use std::time::{Duration, Instant};
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pub struct Progress<R> {
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bytes: usize,
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tick: Instant,
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stream: R,
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}
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impl<R> Progress<R> {
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pub fn new(stream: R) -> Self {
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Progress {
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bytes: 0,
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tick: Instant::now() + Duration::from_secs(2),
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stream,
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}
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}
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}
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impl<R: Read> Read for Progress<R> {
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fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
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let num = self.stream.read(buf)?;
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self.bytes += num;
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let now = Instant::now();
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if now > self.tick {
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self.tick = now + Duration::from_millis(500);
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errorf!("downloading... {} bytes\n", self.bytes);
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}
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Ok(num)
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}
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}
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impl<R> Drop for Progress<R> {
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fn drop(&mut self) {
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errorf!("done ({} bytes)\n", self.bytes);
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}
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}
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