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Stabilize sweep display and lower SNR default

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Smittix
2026-02-04 12:30:13 +00:00
parent dbe09411ac
commit 993a7d2626
3 changed files with 13 additions and 11 deletions
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routes/listening_post.py
+4 -4
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@@ -64,7 +64,7 @@ scanner_config = {
'bias_t': False, # Bias-T power for external LNA
'sdr_type': 'rtlsdr', # SDR type: rtlsdr, hackrf, airspy, limesdr, sdrplay
'scan_method': 'power', # power (rtl_power) or classic (rtl_fm hop)
'snr_threshold': 12,
'snr_threshold': 8,
}
# Activity log
@@ -529,7 +529,7 @@ def scanner_loop_power():
if total_bins <= 0:
time.sleep(0.2)
continue
global_index = 0
segment_offset = 0
for sweep_start, sweep_end, sweep_bin, bin_values in segments:
# Noise floor (median)
@@ -550,7 +550,7 @@ def scanner_loop_power():
snr = val - noise_floor
level = int(max(0, snr) * 100)
threshold = int(snr_threshold * 100)
progress = min(1.0, global_index / max(1, total_bins - 1))
progress = min(1.0, (segment_offset + idx) / max(1, total_bins - 1))
try:
scanner_queue.put_nowait({
'type': 'scan_update',
@@ -562,7 +562,7 @@ def scanner_loop_power():
})
except queue.Full:
pass
global_index += emit_stride
segment_offset += len(bin_values)
# Detect peaks (clusters above threshold)
peaks = []
static/js/modes/listening-post.js
+7 -5
View File
@@ -28,7 +28,7 @@ let audioQueue = [];
let isWebSocketAudio = false;
let audioFetchController = null;
let audioUnlockRequested = false;
let scannerSnrThreshold = 12;
let scannerSnrThreshold = 8;
// Visualizer state
let visualizerContext = null;
@@ -570,7 +570,11 @@ function handleScannerEvent(data) {
}
function handleFrequencyUpdate(data) {
const freqStr = data.frequency.toFixed(3);
const progressValue = (data.progress !== undefined)
? data.progress
: ((data.frequency - scannerStartFreq) / (scannerEndFreq - scannerStartFreq));
const displayFreq = scannerStartFreq + (progressValue * (scannerEndFreq - scannerStartFreq));
const freqStr = displayFreq.toFixed(3);
const currentFreq = document.getElementById('scannerCurrentFreq');
if (currentFreq) currentFreq.textContent = freqStr + ' MHz';
@@ -579,9 +583,7 @@ function handleFrequencyUpdate(data) {
if (mainFreq) mainFreq.textContent = freqStr;
// Update progress bar
const progress = (data.progress !== undefined)
? (data.progress * 100)
: ((data.frequency - scannerStartFreq) / (scannerEndFreq - scannerStartFreq)) * 100;
const progress = Math.max(0, Math.min(100, progressValue * 100));
const progressBar = document.getElementById('scannerProgressBar');
if (progressBar) progressBar.style.width = Math.max(0, Math.min(100, progress)) + '%';
templates/index.html
+2 -2
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@@ -1073,10 +1073,10 @@
</div>
<div style="display: flex; align-items: center; gap: 8px; margin-top: 8px;">
<span style="font-size: 7px; color: var(--text-muted); letter-spacing: 1px;">SNR THRESH</span>
<input type="range" id="snrThresholdSlider" min="6" max="20" step="1" value="12"
<input type="range" id="snrThresholdSlider" min="6" max="20" step="1" value="8"
style="flex: 1;" />
<span id="snrThresholdValue"
style="font-size: 8px; color: var(--text-muted); min-width: 26px; text-align: right;">12</span>
style="font-size: 8px; color: var(--text-muted); min-width: 26px; text-align: right;">8</span>
</div>
<!-- Signal Alert inline -->
<div id="mainSignalAlert"