Method cmdSetFreq

src/core/RigctlProtocol.cpp:730–770

}

QString RigctlProtocol::cmdSetFreq(const QString& arg)
{
    QStringList parts = arg.split(' ', Qt::SkipEmptyParts);
    const bool wantsTxVfo = !parts.isEmpty()
        && (parts.first().toUpper() == QLatin1String("VFOB")
            || parts.first().toUpper() == QLatin1String("SUB"));
    SliceModel* slice = takeVfoPrefix(parts);

    bool ok;
    double hz = parts.isEmpty() ? 0.0 : parts[0].toDouble(&ok);
    if (parts.isEmpty() || !ok || hz < 0) return rprt(-1);  // RIG_EINVAL

    // VFOB/SUB addresses the split TX slice. targetable_vfo lets clients set the
    // TX VFO freq directly without a preceding set_split_vfo (WSJT-X Rig split
    // does exactly this), so enable split on demand and route through the
    // split-freq path, which creates/promotes the TX slice and applies/stashes.
    if (wantsTxVfo) {
        ensureSplitTxSlice();
        return cmdSetSplitFreq(parts[0]);
    }
    if (!slice) return rprt(-8);

    double mhz = hz / 1e6;
    RadioModel* model = m_model;
    QMetaObject::invokeMethod(slice, [slice, model, mhz]() {
        // Recenter only when the target falls outside the pan's current
        // span — the cross-band case (e.g. WSJT-X band changes, #536).
        // In-span retunes use autopan=0: external Doppler software
        // (SatPC32) issues set_freq every few seconds, and recentering
        // each one keeps yanking the pan regardless of the GUI's
        // Pan-Follows-VFO setting (the recenter happens radio-side).
        bool inSpan = false;
        if (auto* pan = model ? model->panadapter(slice->panId()) : nullptr) {
            const double halfBw = pan->bandwidthMhz() / 2.0;
            inSpan = halfBw > 0.0 && qAbs(mhz - pan->centerMhz()) <= halfBw;
        }
        if (inSpan) slice->setFrequency(mhz);
        else        slice->tuneAndRecenter(mhz);
    }, Qt::QueuedConnection);
    return rprt(0);
}

QString RigctlProtocol::cmdGetMode(const QString& vfo)
{