Sidereal (LST) and apparent-solar time-row modes - #8

Draft

peterlewis wants to merge 18 commits into

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peterlewis:sidereal-modes

Commits on Jul 12, 2026

Add $PMTXTS per-PPS host timestamping (opt-in)

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b73934d
SOF-correlation timestamping: latch (USB frame, DWT) for sub-ms PPS over USB

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5ba7320
SOF timestamping: audit fixes — valid-gated tail, latch only when pps=on

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1fdbf33
Add astro pack: sun / moon / Maidenhead / lat-lon display modes

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4d62738
astro: give LAT/LON a sign slot so negatives keep the label gap

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e1eeeb8
astro: configurable per-screen page dwell (page_ms, default 5500 ms)

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02c9823

Commits on Jul 21, 2026

astro pack: MODE_DARK — observing twilight ladder + darkness countdown

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8217fc4

Commits on Jul 26, 2026

qspi: document MODE_DARK in the sample config
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085edee
astro: fix the native test against the 10-arg sun_times, and cover astro_dusk
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d010615
astro: sample config and page_ms comment agree with the code
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0e0d808
Harden firmware: bounds + ISR-safety fixes from broad audit

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50ac8ba
Fix charger-only-power CDC hard-fault and date-board CMD_LOAD_TEXT OOB

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23aa7d4
tz: distance-gate the ZoneDetect lookup — kill the 300 ms/second main-loop stall

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207c238
Add sidereal (LST) and apparent-solar time-row modes

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f21b82f
sidereal: rename config key alt_colon_mode -> colon_alt_mode

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392cc7c
astro: subsolar-point helper (sun_subsolar) + shared-series comments

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b825a08
astro test: pass the astro_dusk out-param at the solar-noon call site too
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1dc1eb8
sidereal: sample config names the key the parser accepts
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c8be1ef