QGCVehicleConfig.cc

    QTimer::singleShot(rcTypeTimeout+100, this, SLOT(checktimeOuts()));
}

void QGCVehicleConfig::checktimeOuts()
{
    if (rcTypeUpdateRequested > 0)
    {
        if (QGC::groundTimeMilliseconds() - rcTypeUpdateRequested > rcTypeTimeout)
        {
            updateError(tr("Setting remote control timed out - is the system connected?"));
        }
    }
}

void QGCVehicleConfig::updateView()
{
    if (changed)
    {
        if (rc_mode == RC_MODE_1)
        {
            ui->rollSlider->setValue(rcRoll * 50 + 50);
            ui->pitchSlider->setValue(rcThrottle * 100);
            ui->yawSlider->setValue(rcYaw * 50 + 50);
            ui->throttleSlider->setValue(rcPitch * 50 + 50);
        }
        else if (rc_mode == RC_MODE_2)
        {
            ui->rollSlider->setValue(rcRoll * 50 + 50);
            ui->pitchSlider->setValue(rcPitch * 50 + 50);
            ui->yawSlider->setValue(rcYaw * 50 + 50);
            ui->throttleSlider->setValue(rcThrottle * 100);
        }
        else if (rc_mode == RC_MODE_3)
        {
            ui->rollSlider->setValue(rcYaw * 50 + 50);
            ui->pitchSlider->setValue(rcThrottle * 100);
            ui->yawSlider->setValue(rcRoll * 50 + 50);
            ui->throttleSlider->setValue(rcPitch * 50 + 50);
        }
        else if (rc_mode == RC_MODE_4)
        {
            ui->rollSlider->setValue(rcYaw * 50 + 50);
            ui->pitchSlider->setValue(rcPitch * 50 + 50);
            ui->yawSlider->setValue(rcRoll * 50 + 50);
            ui->throttleSlider->setValue(rcThrottle * 100);
        }

        ui->chanLabel->setText(QString("%1/%2").arg(rcValue[rcMapping[0]]).arg(rcRoll, 5, 'f', 2, QChar(' ')));
        ui->chanLabel_2->setText(QString("%1/%2").arg(rcValue[rcMapping[1]]).arg(rcPitch, 5, 'f', 2, QChar(' ')));
        ui->chanLabel_3->setText(QString("%1/%2").arg(rcValue[rcMapping[2]]).arg(rcYaw, 5, 'f', 2, QChar(' ')));
        ui->chanLabel_4->setText(QString("%1/%2").arg(rcValue[rcMapping[3]]).arg(rcThrottle, 5, 'f', 2, QChar(' ')));

        ui->modeSwitchSlider->setValue(rcMode * 50 + 50);
        ui->chanLabel_5->setText(QString("%1/%2").arg(rcValue[rcMapping[4]]).arg(rcMode, 5, 'f', 2, QChar(' ')));

        if (rcValue[rcMapping[5]] != UINT16_MAX) {
            ui->aux1Slider->setValue(rcAux1 * 50 + 50);
            ui->chanLabel_6->setText(QString("%1/%2").arg(rcValue[rcMapping[5]]).arg(rcAux1, 5, 'f', 2, QChar(' ')));
        } else {
            ui->chanLabel_6->setText(tr("---"));
        }

        if (rcValue[rcMapping[6]] != UINT16_MAX) {
            ui->aux2Slider->setValue(rcAux2 * 50 + 50);
            ui->chanLabel_7->setText(QString("%1/%2").arg(rcValue[rcMapping[6]]).arg(rcAux2, 5, 'f', 2, QChar(' ')));
        } else {
            ui->chanLabel_7->setText(tr("---"));
        }

        if (rcValue[rcMapping[7]] != UINT16_MAX) {
            ui->aux3Slider->setValue(rcAux3 * 50 + 50);
            ui->chanLabel_8->setText(QString("%1/%2").arg(rcValue[rcMapping[7]]).arg(rcAux3, 5, 'f', 2, QChar(' ')));
        } else {
            ui->chanLabel_8->setText(tr("---"));
        }

        changed = false;
    }
}