Ryan Malloy
6881489bf6
What the Raspberry Pi time-server guides get wrong on a Pi 4, with the measurements. The headline artifact is a four-line pps-gpio patch: PREEMPT_RT force-threads IRQ handlers, and pps-gpio takes its timestamp inside its handler, so the realtime kernel puts a scheduler between the electrical edge and the clock. IRQF_NO_THREAD takes RMS offset from 2468 ns to 199 ns. - kernel/ the patch - dashboard/ live status page (position hidden by default) - docs-site/ the write-up (Astro/Starlight, brass, no tutorial section)
21 lines
471 B
JSON
21 lines
471 B
JSON
{
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"name": "cuckoo-escapement-docs",
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"type": "module",
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"version": "0.1.0",
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"private": true,
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"scripts": {
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"dev": "astro dev --host 0.0.0.0",
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"build": "astro build",
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"preview": "astro preview --host 0.0.0.0",
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"astro": "astro"
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},
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"dependencies": {
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"@astrojs/mdx": "^5.0.4",
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"@astrojs/sitemap": "^3.7.2",
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"@astrojs/starlight": "^0.39.2",
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"astro": "^6.3.1",
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"sharp": "^0.34.0",
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"starlight-links-validator": "^0.24.0"
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}
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}
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