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>
20 lines
1.2 KiB
Markdown
20 lines
1.2 KiB
Markdown
# `fugit`
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> `fugit` provides a comprehensive library of `Duration` and `Instant` for the handling of time in embedded systems, doing all it can at compile time.
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This library is a heavily inspired of `std::chrono`'s `Duration` from C++ which does all it can at compile time.
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## Aims
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* `no_std` library with goals of user-friendliness and performance first
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* All methods are `const fn` that can be (i.e. non-trait methods)
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* Use no traits, concrete types all the way for maximum `const`-ification
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* Operations are supported between different bases and backing storages instead of implementing custom traits
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* All constants needed for comparing or changing timebase are guaranteed compile time generated
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* Support for both `u32` and `u64` backing storage with efficient instruction lowering on MCUs
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* On Cortex-M3 and up: no soft-impls pulled in for both `u32` and `u64` except when changing base on `u64`
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* Comparisons on `u32` and `u64` do not use division, only changing base with all constants calculated at compile time
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* Selection of base happens at compile time
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* A common problem is that run time changing of base robs us of a lot of optimization opportunities, but since there are no traits and short-hands select the correct base at compile time.
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