LNA offset value #1395
LNA offset value #1395
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…is will correct the noise floor and recieved rssi values
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Pull request overview
This pull request adds RSSI (Received Signal Strength Indicator) offset compensation to account for external LNA (Low Noise Amplifier) gain on devices like the Heltec V4 which uses a GC1109 LNA with 17dB gain. The compensation adjusts reported RSSI and noise floor values to reflect true signal strength.
Changes:
- Added RSSI_OFFSET build flag (-17 dB) in Heltec V4 platformio configuration
- Implemented RSSI_OFFSET macro with default value of 0 in CustomSX1262Wrapper.h
- Applied offset compensation to getCurrentRSSI() and getLastRSSI() methods
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| variants/heltec_v4/platformio.ini | Defines RSSI_OFFSET=-17 for GC1109 LNA gain compensation specific to Heltec V4 hardware |
| src/helpers/radiolib/CustomSX1262Wrapper.h | Adds RSSI_OFFSET macro and applies compensation to RSSI getter methods |
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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Pull request overview
Copilot reviewed 2 out of 2 changed files in this pull request and generated no new comments.
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1 participant
Added in an RSSI offset compensation which will reduce the reported noise floor and rssi values for nodes with an LNA, e.g. Heltec V4