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Add DAB ANTCAP calibration and fix BT1035 boot banner timing

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Extend the FM-only ANTCAP antenna-varactor override to DAB, mirroring the
existing mechanism end to end (driver, tuner, service, EEPROM storage,
HTTP API). Live sweep on real hardware found no ANTCAP value beating
auto-tune on the ensembles tested, so DAB stays on auto-tune by default.

Also fix BT1035 boot: the module's real boot banner doesn't appear until
~18-24s after RESET# releases, not the 3.5s previously waited; add a
2-attempt retry and a baud-rate probe fallback for diagnostics.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
michele
2026-08-21 08:12:08 +02:00
co-authored by Claude Sonnet 5
parent 9ad2e42fe2
commit 3a58d33aad
38 changed files with 1444 additions and 115 deletions
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Software/docs/manual/ch-intro.tex
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@@ -4,7 +4,7 @@
DigiRadio is an open-source, high-fidelity digital radio receiver. It
receives DAB+ and FM broadcasts, processes the audio through a dedicated
signal processor, and streams the result over Bluetooth using a
high-resolution codec. Firmware~0.8.5 on \texttt{main} provides encrypted
high-resolution codec. Firmware~0.9.0 on \texttt{main} provides encrypted
storage, a tabbed configuration web UI, and the full REST API documented
in Chapter~\ref{ch:api}. The whole project --- hardware and firmware --- is
released as open source for the maker and audio community to study,