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Speed up satellite live telemetry updates

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This commit is contained in:
James Smith
2026-03-19 17:18:39 +00:00
parent 0992d6578c
commit 511cecb311
1 changed files with 17 additions and 8 deletions
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25
templates/satellite_dashboard.html
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@@ -792,6 +792,7 @@
const DASHBOARD_FETCH_TIMEOUT_MS = 30000;
const PASS_FETCH_TIMEOUT_MS = 90000;
const SAT_DRAWER_FETCH_TIMEOUT_MS = 15000;
const TELEMETRY_POLL_INTERVAL_MS = 3000;
const BUILTIN_TX_FALLBACK = {
25544: [
{ description: 'APRS digipeater', downlink_low: 145.825, downlink_high: 145.825, uplink_low: null, uplink_high: null, mode: 'FM AX.25', baud: 1200, status: 'active', type: 'beacon', service: 'Packet' },
@@ -1015,10 +1016,10 @@
}
function applyTelemetryPosition(pos, options = {}) {
const { updateVisible = false } = options;
const { updateVisible = false, noradId = selectedSatellite } = options;
if (!pos) return;
latestLivePosition = pos;
cacheLivePosition(selectedSatellite, pos);
cacheLivePosition(noradId, pos);
const telLat = document.getElementById('telLat');
const telLon = document.getElementById('telLon');
@@ -1259,7 +1260,13 @@
if (!pos) {
return;
}
applyTelemetryPosition({ ...pos, visibleCount }, { updateVisible: true });
applyTelemetryPosition(
{ ...pos, visibleCount },
{
updateVisible: true,
noradId: parseInt(pos.norad_id, 10) || selectedSatellite
}
);
}
function findSelectedPosition(positions) {
@@ -1291,6 +1298,7 @@
const lat = parseFloat(document.getElementById('obsLat')?.value);
const lon = parseFloat(document.getElementById('obsLon')?.value);
if (!Number.isFinite(lat) || !Number.isFinite(lon) || !selectedSatellite) return;
const requestedSatellite = selectedSatellite;
try {
const controller = new AbortController();
@@ -1303,7 +1311,7 @@
body: JSON.stringify({
latitude: lat,
longitude: lon,
satellites: [selectedSatellite],
satellites: [requestedSatellite],
includeTrack: false
})
});
@@ -1313,16 +1321,17 @@
if (!contentType.includes('application/json')) return;
const data = await response.json();
if (data.status !== 'success' || !Array.isArray(data.positions)) return;
if (!findSelectedPosition(data.positions)) {
return;
}
const pos = data.positions.find(p => parseInt(p.norad_id, 10) === requestedSatellite) || null;
if (!pos) return;
cacheLivePosition(requestedSatellite, pos);
if (requestedSatellite !== selectedSatellite) return;
handleLivePositions(data.positions);
} catch (_) {}
}
function startTelemetryPolling() {
if (_telemetryPollTimer) return;
_telemetryPollTimer = setInterval(fetchCurrentTelemetry, 10000);
_telemetryPollTimer = setInterval(fetchCurrentTelemetry, TELEMETRY_POLL_INTERVAL_MS);
}
function splitAtAntimeridian(track) {