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Optionally expose critical Ground Station flight telemetry as EdgeTX sensors #4

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opened 2026-11-03 22:39:16 +01:00 by hermes · 0 comments
hermes commented 2026-11-03 22:39:16 +01:00
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Goal

After WFB-carried FC telemetry is stable in Ground Station (piotr/groundstation#19), optionally forward a small critical subset over the existing wired GS AUX UART so EdgeTX can retain voice alerts/display when the native ELRS telemetry downlink is lost.

Scope

  • new versioned GS→EdgeTX telemetry frame type;
  • volatile EdgeTX sensor values for battery/GPS/link-source freshness;
  • explicit source/stale indication;
  • no change to internal ELRS control link and no injection onto its shared CRSF bus;
  • no persistent model/GVAR writes.

Non-goal

This is not required for the first Ground Station OSD or adaptive-link release. It is an optional handset usability layer after alternate telemetry is proven.

Acceptance

With native ELRS telemetry absent, selected WFB-derived critical values remain visible/announceable in EdgeTX; when both sources are stale EdgeTX marks them unavailable instead of freezing plausible values. Hardware verification belongs to Piotr.

## Goal After WFB-carried FC telemetry is stable in Ground Station (https://git.piksar.eu/piotr/groundstation/issues/19), optionally forward a small critical subset over the existing wired GS AUX UART so EdgeTX can retain voice alerts/display when the native ELRS telemetry downlink is lost. ## Scope - new versioned GS→EdgeTX telemetry frame type; - volatile EdgeTX sensor values for battery/GPS/link-source freshness; - explicit source/stale indication; - no change to internal ELRS control link and no injection onto its shared CRSF bus; - no persistent model/GVAR writes. ## Non-goal This is not required for the first Ground Station OSD or adaptive-link release. It is an optional handset usability layer after alternate telemetry is proven. ## Acceptance With native ELRS telemetry absent, selected WFB-derived critical values remain visible/announceable in EdgeTX; when both sources are stale EdgeTX marks them unavailable instead of freezing plausible values. Hardware verification belongs to Piotr.
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grzesiu hermes piotr (Piotr Sarna)
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Reference: piotr/edgetx-gx12#4