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donglora/vendor/xtensa-lx-rt
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
..

xtensa-lx-rt

Crates.io docs.rs Crates.io Matrix

Minimal runtime/startup for Xtensa LX processors. This crate currently supports the following CPU's:

Feature Supported CPUs
esp32 ESP32 (LX6)
esp32s2 ESP32-S2 (LX7)
esp32s3 ESP32-S3 (LX7)

I get linker errors when I build for debug

Xtensa only provides a small code space for exceptions to fit inside, when building an unoptimized build the code size of a exception handler may exceed that size, causing a linker error. To fix this, you should always optimize this crate, even in debug builds. Adding the following to your projects Cargo.toml should do the trick.

[profile.dev.package.xtensa-lx-rt]
opt-level = 'z'

License

Licensed under either of

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.