SDRIOEXPORT sdrio_int32 sdrio_set_rx_gain(sdrio_device *dev, sdrio_float32 gain) { if (dev) { return (mirisdr_set_tuner_gain(dev->mirics_device, (int)gain) == 0); } else { return 0; } }
int verbose_gain_set(mirisdr_dev_t *dev, int gain) { int r; r = mirisdr_set_tuner_gain_mode(dev, 1); if (r < 0) { fprintf(stderr, "WARNING: Failed to enable manual gain.\n"); return r; } r = mirisdr_set_tuner_gain(dev, gain); if (r != 0) { fprintf(stderr, "WARNING: Failed to set tuner gain.\n"); } else { fprintf(stderr, "Tuner gain set to %0.2f dB.\n", gain/10.0); } return r; }
bool SDRPlayInput::applySettings(const SDRPlaySettings& settings, bool forwardChange, bool force) { bool forceGainSetting = false; QList<QString> reverseAPIKeys; QMutexLocker mutexLocker(&m_mutex); if ((m_settings.m_dcBlock != settings.m_dcBlock) || force) { reverseAPIKeys.append("dcBlock"); m_deviceAPI->configureCorrections(settings.m_dcBlock, settings.m_iqCorrection); } if ((m_settings.m_iqCorrection != settings.m_iqCorrection) || force) { reverseAPIKeys.append("iqCorrection"); m_deviceAPI->configureCorrections(settings.m_dcBlock, settings.m_iqCorrection); } // gains processing if ((m_settings.m_tunerGainMode != settings.m_tunerGainMode) || force) { reverseAPIKeys.append("tunerGainMode"); forceGainSetting = true; } if ((m_settings.m_tunerGain != settings.m_tunerGain) || force) { reverseAPIKeys.append("tunerGain"); } if ((m_settings.m_lnaOn != settings.m_lnaOn) || force) { reverseAPIKeys.append("lnaOn"); } if (settings.m_tunerGainMode) // auto { if ((m_settings.m_tunerGain != settings.m_tunerGain) || forceGainSetting) { if(m_dev != 0) { int r = mirisdr_set_tuner_gain(m_dev, settings.m_tunerGain); if (r < 0) { qDebug("SDRPlayInput::applySettings: could not set tuner gain"); } else { int lnaGain; if (settings.m_frequencyBandIndex < 3) // bands using AM mode { lnaGain = mirisdr_get_mixbuffer_gain(m_dev); } else { lnaGain = mirisdr_get_lna_gain(m_dev); } MsgReportSDRPlayGains *message = MsgReportSDRPlayGains::create( lnaGain, mirisdr_get_mixer_gain(m_dev), mirisdr_get_baseband_gain(m_dev), mirisdr_get_tuner_gain(m_dev) ); if (getMessageQueueToGUI()) { getMessageQueueToGUI()->push(message); } } } } } else // manual { bool anyChange = false; if ((m_settings.m_lnaOn != settings.m_lnaOn) || forceGainSetting) { if (m_dev != 0) { if (settings.m_frequencyBandIndex < 3) // bands using AM mode { int r = mirisdr_set_mixbuffer_gain(m_dev, settings.m_lnaOn ? 0 : 1); // mirisdr_set_mixbuffer_gain takes gain reduction if (r != 0) { qDebug("SDRPlayInput::applySettings: could not set mixer buffer gain"); } else { anyChange = true; } } else { int r = mirisdr_set_lna_gain(m_dev, settings.m_lnaOn ? 0 : 1); // mirisdr_set_lna_gain takes gain reduction if (r != 0) { qDebug("SDRPlayInput::applySettings: could not set LNA gain"); } else { anyChange = true; } } } } if ((m_settings.m_mixerAmpOn != settings.m_mixerAmpOn) || forceGainSetting) { reverseAPIKeys.append("mixerAmpOn"); if (m_dev != 0) { int r = mirisdr_set_mixer_gain(m_dev, settings.m_mixerAmpOn ? 0 : 1); // mirisdr_set_lna_gain takes gain reduction if (r != 0) { qDebug("SDRPlayInput::applySettings: could not set mixer gain"); } else { anyChange = true; } } } if ((m_settings.m_basebandGain != settings.m_basebandGain) || forceGainSetting) { reverseAPIKeys.append("basebandGain"); if (m_dev != 0) { int r = mirisdr_set_baseband_gain(m_dev, settings.m_basebandGain); if (r != 0) { qDebug("SDRPlayInput::applySettings: could not set mixer gain"); } else { anyChange = true; } } } if (anyChange) { int lnaGain; if (settings.m_frequencyBandIndex < 3) { // bands using AM mode lnaGain = mirisdr_get_mixbuffer_gain(m_dev); } else { lnaGain = mirisdr_get_lna_gain(m_dev); } MsgReportSDRPlayGains *message = MsgReportSDRPlayGains::create( lnaGain, mirisdr_get_mixer_gain(m_dev), mirisdr_get_baseband_gain(m_dev), mirisdr_get_tuner_gain(m_dev) ); if (getMessageQueueToGUI()) { getMessageQueueToGUI()->push(message); } } } if ((m_settings.m_log2Decim != settings.m_log2Decim) || force) { reverseAPIKeys.append("log2Decim"); if (m_sdrPlayThread != 0) { m_sdrPlayThread->setLog2Decimation(settings.m_log2Decim); qDebug() << "SDRPlayInput::applySettings: set decimation to " << (1<<settings.m_log2Decim); } } if ((m_settings.m_fcPos != settings.m_fcPos) || force) { reverseAPIKeys.append("fcPos"); if (m_sdrPlayThread != 0) { m_sdrPlayThread->setFcPos((int) settings.m_fcPos); qDebug() << "SDRPlayInput: set fc pos (enum) to " << (int) settings.m_fcPos; } } if ((m_settings.m_centerFrequency != settings.m_centerFrequency) || force) { reverseAPIKeys.append("centerFrequency"); } if ((m_settings.m_LOppmTenths != settings.m_LOppmTenths) || force) { reverseAPIKeys.append("LOppmTenths"); } if ((m_settings.m_centerFrequency != settings.m_centerFrequency) || (m_settings.m_LOppmTenths != settings.m_LOppmTenths) || (m_settings.m_fcPos != settings.m_fcPos) || (m_settings.m_log2Decim != settings.m_log2Decim) || force) { qint64 deviceCenterFrequency = DeviceSampleSource::calculateDeviceCenterFrequency( settings.m_centerFrequency, 0, settings.m_log2Decim, (DeviceSampleSource::fcPos_t) settings.m_fcPos, SDRPlaySampleRates::getRate(settings.m_devSampleRateIndex)); forwardChange = true; if(m_dev != 0) { if (setDeviceCenterFrequency(deviceCenterFrequency)) { qDebug() << "SDRPlayInput::applySettings: center freq: " << settings.m_centerFrequency << " Hz"; } } } if ((m_settings.m_bandwidthIndex != settings.m_bandwidthIndex) || force) { reverseAPIKeys.append("bandwidthIndex"); int bandwidth = SDRPlayBandwidths::getBandwidth(settings.m_bandwidthIndex); int r = mirisdr_set_bandwidth(m_dev, bandwidth); if (r < 0) { qCritical("SDRPlayInput::applySettings: set bandwidth %d failed: rc: %d", bandwidth, r); } else { qDebug("SDRPlayInput::applySettings: bandwidth set to %d", bandwidth); } } if ((m_settings.m_ifFrequencyIndex != settings.m_ifFrequencyIndex) || force) { reverseAPIKeys.append("ifFrequencyIndex"); int iFFrequency = SDRPlayIF::getIF(settings.m_ifFrequencyIndex); int r = mirisdr_set_if_freq(m_dev, iFFrequency); if (r < 0) { qCritical("SDRPlayInput::applySettings: set IF frequency to %d failed: rc: %d", iFFrequency, r); } else { qDebug("SDRPlayInput::applySettings: IF frequency set to %d", iFFrequency); } } if (settings.m_useReverseAPI) { bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) || (m_settings.m_reverseAPIAddress != settings.m_reverseAPIAddress) || (m_settings.m_reverseAPIPort != settings.m_reverseAPIPort) || (m_settings.m_reverseAPIDeviceIndex != settings.m_reverseAPIDeviceIndex); webapiReverseSendSettings(reverseAPIKeys, settings, fullUpdate || force); } m_settings = settings; if (forwardChange) { int sampleRate = getSampleRate(); DSPSignalNotification *notif = new DSPSignalNotification(sampleRate, m_settings.m_centerFrequency); m_fileSink->handleMessage(*notif); // forward to file sink m_deviceAPI->getDeviceEngineInputMessageQueue()->push(notif); } return true; }