Add back FEM LNA mode configuration for LoRa#9809
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thebentern merged 5 commits intodevelopfrom Mar 4, 2026
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Pull request overview
Reintroduces persisted configuration support for FEM LNA mode on LoRa devices, after prior work removed the setting along with UI elements. This ensures the radio/FEM layer re-applies the saved LNA mode at boot and when LoRa config updates are received.
Changes:
- Apply
config.lora.fem_lna_modeto the FEM interface during SX126x radio initialization. - Apply
config.lora.fem_lna_modewhen LoRa config is updated viaAdminModule::handleSetConfig. - Initialize a default
fem_lna_modevalue during default-config installation.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| src/modules/AdminModule.cpp | Applies FEM LNA mode after LoRa config updates are accepted. |
| src/mesh/SX126xInterface.cpp | Applies saved FEM LNA mode during SX126x init so it takes effect at boot. |
| src/mesh/NodeDB.cpp | Sets default fem_lna_mode value when installing default config. |
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
caveman99
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Mar 4, 2026
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Was removed from #9753 but we just wanted the menu UI removed