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[fix](trx-frontend): refine spectrum coverage controls

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Co-authored-by: OpenAI Codex <codex@openai.com>
Signed-off-by: Stan Grams <sjg@haxx.space>
This commit is contained in:
Stan Grams
2026-03-02 18:37:02 +01:00
parent fda883533d
commit 1deac71f82
2 changed files with 12 additions and 5 deletions
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src/trx-client/trx-frontend/trx-frontend-http/assets/web/app.js
+10 -3
View File
@@ -1163,9 +1163,16 @@ function coverageGuardBandwidthHz(mode = modeEl ? modeEl.value : "") {
return Math.max(0, Number.isFinite(maxBw) ? maxBw : currentBandwidthHz);
}
function effectiveSpectrumCoverageSpanHz(sampleRateHz) {
const sampleRate = Number(sampleRateHz);
if (!Number.isFinite(sampleRate) || sampleRate <= 0) return 0;
// Keep a guard band at the spectrum edges; practical usable span is slightly smaller.
return sampleRate * 0.82;
}
function requiredCenterFreqForCoverage(freqHz, bandwidthHz = coverageGuardBandwidthHz()) {
if (!lastSpectrumData || !Number.isFinite(freqHz)) return null;
const sampleRate = Number(lastSpectrumData.sample_rate);
const sampleRate = effectiveSpectrumCoverageSpanHz(lastSpectrumData.sample_rate);
const currentCenterHz = Number(lastSpectrumData.center_hz);
if (!Number.isFinite(sampleRate) || sampleRate <= 0 || !Number.isFinite(currentCenterHz)) {
return null;
@@ -1215,7 +1222,7 @@ async function setRigFrequency(freqHz) {
function tunedFrequencyForCenterCoverage(centerHz, freqHz = lastFreqHz, bandwidthHz = coverageGuardBandwidthHz()) {
if (!Number.isFinite(centerHz) || !Number.isFinite(freqHz) || !lastSpectrumData) return null;
const sampleRate = Number(lastSpectrumData.sample_rate);
const sampleRate = effectiveSpectrumCoverageSpanHz(lastSpectrumData.sample_rate);
if (!Number.isFinite(sampleRate) || sampleRate <= 0) return null;
const safeBw = Math.max(0, Number.isFinite(bandwidthHz) ? bandwidthHz : 0);
@@ -1236,7 +1243,7 @@ function tunedFrequencyForCenterCoverage(centerHz, freqHz = lastFreqHz, bandwidt
async function shiftSpectrumCenter(direction) {
if (!lastSpectrumData || !Number.isFinite(direction) || direction === 0) return;
const sampleRate = Number(lastSpectrumData.sample_rate);
const sampleRate = effectiveSpectrumCoverageSpanHz(lastSpectrumData.sample_rate);
const currentCenterHz = Number(lastSpectrumData.center_hz);
if (!Number.isFinite(sampleRate) || sampleRate <= 0 || !Number.isFinite(currentCenterHz)) return;
src/trx-client/trx-frontend/trx-frontend-http/assets/web/style.css
+2 -2
View File
@@ -1396,7 +1396,7 @@ button:focus-visible, input:focus-visible, select:focus-visible {
font-size: 1.1rem;
}
.spectrum-edge-shift-left {
left: 0.28rem;
left: -0.7rem;
}
.spectrum-edge-shift-right {
right: 0.28rem;
@@ -1539,7 +1539,7 @@ button:focus-visible, input:focus-visible, select:focus-visible {
transform: translateY(-50%) scale(0.97);
}
.spectrum-edge-shift-left {
left: 0.45rem;
left: -0.9rem;
}
.spectrum-edge-shift-right {
right: 0.45rem;