- LoRaRadioBase -> LoRaRadio (final); SX126x/SX127x/LR1110/LR2021Radio
replaced by const LoRaRadioOps tables (radio_ops_<family>.cpp), one
linked per build; mains construct the radio in one line
- lr20xx: vendored Semtech SDK + HAL moved beside the driver (no app-tree
sources), DIO1 handler split (CCN 52 -> 10), zc_lora_timing.h adopted,
dead exports removed, header rewritten, comment diet (image-identical)
- semtech,lr2021 uses the lr1110 property names (irq-gpios, tcxo-voltage,
rfsw-*), compiled config byte-identical
- correct the stale "LR2021 is not CAD-probed" claim
- CadController (stats, window, re-anchor, visits, staircase, safety,
starvation relax) and NoiseFloorEstimator split out of LoRaRadioBase
behind a 4-call CadHw interface; Zephyr-free, host unit tests added
- prefs mandatory: setPrefs() before begin(), LoRaConfig fallbacks and the
companion/observer placeholder prefs removed; LoRaConfig is the one
defaults source (invalid-prefs fallback now uses the board TX default)
- TX-wait thread stack owned by the base; reconfigureWithParams removed
- driver extension headers on the public include path
(zephyr/drivers/lora/*.h); patch 0003 include updated
- comment diet (image-identical); rationale moved to devdocs LLD 03
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