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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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templates/satellite_dashboard.html
+17 -8
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@@ -792,6 +792,7 @@
const DASHBOARD_FETCH_TIMEOUT_MS = 30000; const DASHBOARD_FETCH_TIMEOUT_MS = 30000;
const PASS_FETCH_TIMEOUT_MS = 90000; const PASS_FETCH_TIMEOUT_MS = 90000;
const SAT_DRAWER_FETCH_TIMEOUT_MS = 15000; const SAT_DRAWER_FETCH_TIMEOUT_MS = 15000;
const TELEMETRY_POLL_INTERVAL_MS = 3000;
const BUILTIN_TX_FALLBACK = { const BUILTIN_TX_FALLBACK = {
25544: [ 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' }, { 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 = {}) { function applyTelemetryPosition(pos, options = {}) {
const { updateVisible = false } = options; const { updateVisible = false, noradId = selectedSatellite } = options;
if (!pos) return; if (!pos) return;
latestLivePosition = pos; latestLivePosition = pos;
cacheLivePosition(selectedSatellite, pos); cacheLivePosition(noradId, pos);
const telLat = document.getElementById('telLat'); const telLat = document.getElementById('telLat');
const telLon = document.getElementById('telLon'); const telLon = document.getElementById('telLon');
@@ -1259,7 +1260,13 @@
if (!pos) { if (!pos) {
return; return;
} }
applyTelemetryPosition({ ...pos, visibleCount }, { updateVisible: true }); applyTelemetryPosition(
{ ...pos, visibleCount },
{
updateVisible: true,
noradId: parseInt(pos.norad_id, 10) || selectedSatellite
}
);
} }
function findSelectedPosition(positions) { function findSelectedPosition(positions) {
@@ -1291,6 +1298,7 @@
const lat = parseFloat(document.getElementById('obsLat')?.value); const lat = parseFloat(document.getElementById('obsLat')?.value);
const lon = parseFloat(document.getElementById('obsLon')?.value); const lon = parseFloat(document.getElementById('obsLon')?.value);
if (!Number.isFinite(lat) || !Number.isFinite(lon) || !selectedSatellite) return; if (!Number.isFinite(lat) || !Number.isFinite(lon) || !selectedSatellite) return;
const requestedSatellite = selectedSatellite;
try { try {
const controller = new AbortController(); const controller = new AbortController();
@@ -1303,7 +1311,7 @@
body: JSON.stringify({ body: JSON.stringify({
latitude: lat, latitude: lat,
longitude: lon, longitude: lon,
satellites: [selectedSatellite], satellites: [requestedSatellite],
includeTrack: false includeTrack: false
}) })
}); });
@@ -1313,16 +1321,17 @@
if (!contentType.includes('application/json')) return; if (!contentType.includes('application/json')) return;
const data = await response.json(); const data = await response.json();
if (data.status !== 'success' || !Array.isArray(data.positions)) return; if (data.status !== 'success' || !Array.isArray(data.positions)) return;
if (!findSelectedPosition(data.positions)) { const pos = data.positions.find(p => parseInt(p.norad_id, 10) === requestedSatellite) || null;
return; if (!pos) return;
} cacheLivePosition(requestedSatellite, pos);
if (requestedSatellite !== selectedSatellite) return;
handleLivePositions(data.positions); handleLivePositions(data.positions);
} catch (_) {} } catch (_) {}
} }
function startTelemetryPolling() { function startTelemetryPolling() {
if (_telemetryPollTimer) return; if (_telemetryPollTimer) return;
_telemetryPollTimer = setInterval(fetchCurrentTelemetry, 10000); _telemetryPollTimer = setInterval(fetchCurrentTelemetry, TELEMETRY_POLL_INTERVAL_MS);
} }
function splitAtAntimeridian(track) { function splitAtAntimeridian(track) {