Repeated preamble/header activity can keep a requested primary or TempRadio
change busy indefinitely. Bound unfinished-RX admission for accepted LR2021
changes while preserving completed packets, TX, BUSY and exclusive owners.
Ordinary scans and CAD keep their existing admission rules. Expose the failing
stage and native status through get radio.apply.
Add saved radio.xtrim capacitor calibration and measured radio.freqerror in
signed Hz from the last valid LoRa packet. Preserve native trim by default,
restore explicit calibration after resets/Morse, verify saves before applying,
wait two seconds for the acknowledgement, and roll back failed changes.
Calibration motivation and prior upstream work:
https://github.com/meshcore-dev/MeshCore/issues/3365https://github.com/recrof/MeshCore/tree/lr2021-trim
Packet-status format follows Semtech's LR20xx driver and RadioLib staging.
Tests execute production activity/admission and transaction paths with noisy
RX, completion races, protected owners, failed setters, RX restart and save
rollback. Physical W12 retuning and RF calibration still require confirmation.
Adapt upstream MeshCore #3579 at 7457cff43c22697119e06ad7d192a37de0990403:
retain GC1109 LF standby bias, with checked cold controls before band supply
changes and shutdown. Preserve exclusive LF/HF rails and TX error cleanup.
Reset before boot rail changes and before SPI-dependent hard recovery.
Retain our stronger implementation of #3512 at
d208bfef94ab83280de30ba4a0675ff73b3ecef3. Add regressions for suspect FIFO
contents, failed RX_DONE acknowledgement, and fresh preamble timing.
W12 TX power defaults from #3319 were already included via 65aa1138a.
Validation: 79 targeted native tests; canonical W12 Full repeater and Full
Companion builds, capability checks, app-size and RAM checks passed.
Physical W12 RF envelope, current and LoRa management confirmation remain.
Upstream PRs:
https://github.com/meshcore-dev/MeshCore/pull/3579https://github.com/meshcore-dev/MeshCore/pull/3512https://github.com/meshcore-dev/MeshCore/pull/3319
mikecarper