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Secondary SDR priority: every spare SDR runs the next decoder in an ordered list
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Replaces the single secondary_sdr_mode with secondary_sdr_priority, e.g.
["adsb", "ais"]. OP25 always keeps its own dongle; the secondary-sdr
container starts decoders top-down until it runs out of free SDRs, so a
3-SDR node runs ADS-B and AIS at once and a 2-SDR node runs the top pick.

- secondary-sdr: one decoder per mode, POST /secondary/apply(priority)
  (no-op when the right prefix is already running), orphaned decoders
  from a uvicorn reload are reaped on start, /status reports sdr_count
  via lsusb (op25's :stable image has none).
- edge-node: one apply path (set_secondary_priority) for the local
  dashboard, a new C2 'set_secondary_priority' MQTT command, and config
  pushes; it never restarts op25. Legacy mode migrates on load. Checkin
  reports priority, what's running, and sdr_count. Uplink forwards
  aircraft and vessels whenever either is present.
- Local dashboard: 'Secondary SDRs' card to enable/reorder/save.

Verified: edge-node pytest 190 passed, flake8 clean.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Logan Cusano
2026-09-27 14:08:07 -04:00
co-authored by Claude Opus 5.5
parent 1c74edffea
commit 9b6c64fbbf
11 changed files with 472 additions and 117 deletions
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drb-edge-node/app/internal/telemetry_uplink.py
+5 -4
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@@ -32,13 +32,14 @@ async def _post_snapshot(path: str, body: dict) -> None:
async def telemetry_uplink_loop():
while True:
await asyncio.sleep(UPLINK_INTERVAL_SECONDS)
config = load_node_config()
if config.secondary_sdr_mode not in ("adsb", "ais"):
if not load_node_config().secondary_sdr_priority:
continue
snapshot = await secondary_sdr_client.data()
if not snapshot:
continue
if config.secondary_sdr_mode == "adsb" and snapshot.get("aircraft"):
# Several decoders can run at once (one per spare SDR), so forward
# whatever each produced rather than keying off a single mode.
if snapshot.get("aircraft"):
await _post_snapshot("/telemetry/adsb", {"aircraft": snapshot["aircraft"]})
elif config.secondary_sdr_mode == "ais" and snapshot.get("vessels"):
if snapshot.get("vessels"):
await _post_snapshot("/telemetry/ais", {"vessels": snapshot["vessels"]})