mirror of
https://github.com/f4exb/sdrangel.git
synced 2025-10-31 04:50:29 -04:00
387 lines
9.6 KiB
C++
387 lines
9.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
|
// written by Christian Daniel //
|
|
// //
|
|
// This program is free software; you can redistribute it and/or modify //
|
|
// it under the terms of the GNU General Public License as published by //
|
|
// the Free Software Foundation as version 3 of the License, or //
|
|
// //
|
|
// This program is distributed in the hope that it will be useful, //
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
|
// GNU General Public License V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <QDebug>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include "rtlsdrinput.h"
|
|
|
|
#include "device/devicesourceapi.h"
|
|
|
|
#include "rtlsdrthread.h"
|
|
#include "rtlsdrgui.h"
|
|
#include "dsp/dspcommands.h"
|
|
#include "dsp/dspengine.h"
|
|
|
|
MESSAGE_CLASS_DEFINITION(RTLSDRInput::MsgConfigureRTLSDR, Message)
|
|
MESSAGE_CLASS_DEFINITION(RTLSDRInput::MsgReportRTLSDR, Message)
|
|
|
|
RTLSDRInput::RTLSDRInput(DeviceSourceAPI *deviceAPI) :
|
|
m_deviceAPI(deviceAPI),
|
|
m_settings(),
|
|
m_dev(0),
|
|
m_rtlSDRThread(0),
|
|
m_deviceDescription()
|
|
{
|
|
}
|
|
|
|
RTLSDRInput::~RTLSDRInput()
|
|
{
|
|
stop();
|
|
}
|
|
|
|
bool RTLSDRInput::init(const Message& message)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool RTLSDRInput::start(int device)
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
|
|
if (m_dev != 0)
|
|
{
|
|
stop();
|
|
}
|
|
|
|
char vendor[256];
|
|
char product[256];
|
|
char serial[256];
|
|
int res;
|
|
int numberOfGains;
|
|
|
|
if (!m_sampleFifo.setSize(96000 * 4))
|
|
{
|
|
qCritical("RTLSDRInput::start: Could not allocate SampleFifo");
|
|
return false;
|
|
}
|
|
|
|
if ((res = rtlsdr_open(&m_dev, device)) < 0)
|
|
{
|
|
qCritical("RTLSDRInput::start: could not open RTLSDR #%d: %s", device, strerror(errno));
|
|
return false;
|
|
}
|
|
|
|
vendor[0] = '\0';
|
|
product[0] = '\0';
|
|
serial[0] = '\0';
|
|
|
|
if ((res = rtlsdr_get_usb_strings(m_dev, vendor, product, serial)) < 0)
|
|
{
|
|
qCritical("RTLSDRInput::start: error accessing USB device");
|
|
stop();
|
|
return false;
|
|
}
|
|
|
|
qWarning("RTLSDRInput::start: open: %s %s, SN: %s", vendor, product, serial);
|
|
m_deviceDescription = QString("%1 (SN %2)").arg(product).arg(serial);
|
|
|
|
if ((res = rtlsdr_set_sample_rate(m_dev, 1152000)) < 0)
|
|
{
|
|
qCritical("RTLSDRInput::start: could not set sample rate: 1024k S/s");
|
|
stop();
|
|
return false;
|
|
}
|
|
|
|
if ((res = rtlsdr_set_tuner_gain_mode(m_dev, 1)) < 0)
|
|
{
|
|
qCritical("RTLSDRInput::start: error setting tuner gain mode");
|
|
stop();
|
|
return false;
|
|
}
|
|
|
|
if ((res = rtlsdr_set_agc_mode(m_dev, 0)) < 0)
|
|
{
|
|
qCritical("RTLSDRInput::start: error setting agc mode");
|
|
stop();
|
|
return false;
|
|
}
|
|
|
|
numberOfGains = rtlsdr_get_tuner_gains(m_dev, NULL);
|
|
|
|
if (numberOfGains < 0)
|
|
{
|
|
qCritical("RTLSDRInput::start: error getting number of gain values supported");
|
|
stop();
|
|
return false;
|
|
}
|
|
|
|
m_gains.resize(numberOfGains);
|
|
|
|
if (rtlsdr_get_tuner_gains(m_dev, &m_gains[0]) < 0)
|
|
{
|
|
qCritical("RTLSDRInput::start: error getting gain values");
|
|
stop();
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
qDebug() << "RTLSDRInput::start: " << m_gains.size() << "gains";
|
|
MsgReportRTLSDR *message = MsgReportRTLSDR::create(m_gains);
|
|
getOutputMessageQueueToGUI()->push(message);
|
|
}
|
|
|
|
if ((res = rtlsdr_reset_buffer(m_dev)) < 0)
|
|
{
|
|
qCritical("RTLSDRInput::start: could not reset USB EP buffers: %s", strerror(errno));
|
|
stop();
|
|
return false;
|
|
}
|
|
|
|
if ((m_rtlSDRThread = new RTLSDRThread(m_dev, &m_sampleFifo)) == NULL)
|
|
{
|
|
qFatal("RTLSDRInput::start: out of memory");
|
|
stop();
|
|
return false;
|
|
}
|
|
|
|
m_rtlSDRThread->startWork();
|
|
|
|
mutexLocker.unlock();
|
|
|
|
applySettings(m_settings, true);
|
|
|
|
return true;
|
|
}
|
|
|
|
void RTLSDRInput::stop()
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
|
|
if (m_rtlSDRThread != 0)
|
|
{
|
|
m_rtlSDRThread->stopWork();
|
|
delete m_rtlSDRThread;
|
|
m_rtlSDRThread = 0;
|
|
}
|
|
|
|
if (m_dev != 0)
|
|
{
|
|
rtlsdr_close(m_dev);
|
|
m_dev = 0;
|
|
}
|
|
|
|
m_deviceDescription.clear();
|
|
}
|
|
|
|
const QString& RTLSDRInput::getDeviceDescription() const
|
|
{
|
|
return m_deviceDescription;
|
|
}
|
|
|
|
int RTLSDRInput::getSampleRate() const
|
|
{
|
|
int rate = m_settings.m_devSampleRate;
|
|
return (rate / (1<<m_settings.m_log2Decim));
|
|
}
|
|
|
|
quint64 RTLSDRInput::getCenterFrequency() const
|
|
{
|
|
return m_settings.m_centerFrequency;
|
|
}
|
|
|
|
bool RTLSDRInput::handleMessage(const Message& message)
|
|
{
|
|
if (MsgConfigureRTLSDR::match(message))
|
|
{
|
|
MsgConfigureRTLSDR& conf = (MsgConfigureRTLSDR&) message;
|
|
|
|
if (!applySettings(conf.getSettings(), false))
|
|
{
|
|
qDebug("RTLSDR config error");
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool RTLSDRInput::applySettings(const RTLSDRSettings& settings, bool force)
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
bool forwardChange = false;
|
|
|
|
if ((m_settings.m_gain != settings.m_gain) || force)
|
|
{
|
|
m_settings.m_gain = settings.m_gain;
|
|
|
|
if(m_dev != 0)
|
|
{
|
|
if(rtlsdr_set_tuner_gain(m_dev, m_settings.m_gain) != 0)
|
|
{
|
|
qDebug("rtlsdr_set_tuner_gain() failed");
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((m_settings.m_devSampleRate != settings.m_devSampleRate) || force)
|
|
{
|
|
forwardChange = true;
|
|
|
|
if(m_dev != 0)
|
|
{
|
|
if( rtlsdr_set_sample_rate(m_dev, settings.m_devSampleRate) < 0)
|
|
{
|
|
qCritical("RTLSDRInput::applySettings: could not set sample rate: %d", settings.m_devSampleRate);
|
|
}
|
|
else
|
|
{
|
|
m_settings.m_devSampleRate = settings.m_devSampleRate;
|
|
m_rtlSDRThread->setSamplerate(settings.m_devSampleRate);
|
|
qDebug("RTLSDRInput::applySettings: sample rate set to %d", m_settings.m_devSampleRate);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((m_settings.m_loPpmCorrection != settings.m_loPpmCorrection) || force)
|
|
{
|
|
if (m_dev != 0)
|
|
{
|
|
if (rtlsdr_set_freq_correction(m_dev, settings.m_loPpmCorrection) < 0)
|
|
{
|
|
qCritical("could not set LO ppm correction: %d", settings.m_loPpmCorrection);
|
|
}
|
|
else
|
|
{
|
|
m_settings.m_loPpmCorrection = settings.m_loPpmCorrection;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((m_settings.m_log2Decim != settings.m_log2Decim) || force)
|
|
{
|
|
forwardChange = true;
|
|
|
|
if(m_dev != 0)
|
|
{
|
|
m_settings.m_log2Decim = settings.m_log2Decim;
|
|
m_rtlSDRThread->setLog2Decimation(settings.m_log2Decim);
|
|
}
|
|
}
|
|
|
|
if (m_settings.m_centerFrequency != settings.m_centerFrequency)
|
|
{
|
|
forwardChange = true;
|
|
}
|
|
|
|
qint64 deviceCenterFrequency = m_settings.m_centerFrequency;
|
|
qint64 f_img = deviceCenterFrequency;
|
|
quint32 devSampleRate = m_settings.m_devSampleRate;
|
|
|
|
if (force || (m_settings.m_centerFrequency != settings.m_centerFrequency)
|
|
|| (m_settings.m_fcPos != settings.m_fcPos))
|
|
{
|
|
m_settings.m_centerFrequency = settings.m_centerFrequency;
|
|
|
|
if ((m_settings.m_log2Decim == 0) || (settings.m_fcPos == RTLSDRSettings::FC_POS_CENTER))
|
|
{
|
|
deviceCenterFrequency = m_settings.m_centerFrequency;
|
|
f_img = deviceCenterFrequency;
|
|
}
|
|
else
|
|
{
|
|
if (settings.m_fcPos == RTLSDRSettings::FC_POS_INFRA)
|
|
{
|
|
deviceCenterFrequency = m_settings.m_centerFrequency + (devSampleRate / 4);
|
|
f_img = deviceCenterFrequency + devSampleRate/2;
|
|
}
|
|
else if (settings.m_fcPos == RTLSDRSettings::FC_POS_SUPRA)
|
|
{
|
|
deviceCenterFrequency = m_settings.m_centerFrequency - (devSampleRate / 4);
|
|
f_img = deviceCenterFrequency - devSampleRate/2;
|
|
}
|
|
}
|
|
|
|
if(m_dev != 0)
|
|
{
|
|
if (rtlsdr_set_center_freq( m_dev, deviceCenterFrequency ) != 0)
|
|
{
|
|
qDebug("rtlsdr_set_center_freq(%lld) failed", deviceCenterFrequency);
|
|
}
|
|
else
|
|
{
|
|
qDebug() << "RTLSDRInput::applySettings: center freq: " << m_settings.m_centerFrequency << " Hz"
|
|
<< " device center freq: " << deviceCenterFrequency << " Hz"
|
|
<< " device sample rate: " << devSampleRate << "Hz"
|
|
<< " Actual sample rate: " << devSampleRate/(1<<m_settings.m_log2Decim) << "Hz"
|
|
<< " img: " << f_img << "Hz";
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((m_settings.m_fcPos != settings.m_fcPos) || force)
|
|
{
|
|
m_settings.m_fcPos = settings.m_fcPos;
|
|
|
|
if(m_dev != 0)
|
|
{
|
|
m_rtlSDRThread->setFcPos((int) m_settings.m_fcPos);
|
|
qDebug() << "RTLSDRInput: set fc pos (enum) to " << (int) m_settings.m_fcPos;
|
|
}
|
|
}
|
|
|
|
/*
|
|
if(m_dev != 0)
|
|
{
|
|
qint64 centerFrequency = m_settings.m_centerFrequency + (m_settings.m_devSampleRate / 4);
|
|
|
|
if (m_settings.m_log2Decim == 0)
|
|
{ // Little wooby-doop if no decimation
|
|
centerFrequency = m_settings.m_centerFrequency;
|
|
}
|
|
else
|
|
{
|
|
centerFrequency = m_settings.m_centerFrequency + (m_settings.m_devSampleRate / 4);
|
|
}
|
|
|
|
if (rtlsdr_set_center_freq( m_dev, centerFrequency ) != 0)
|
|
{
|
|
qDebug("rtlsdr_set_center_freq(%lld) failed", m_settings.m_centerFrequency);
|
|
}
|
|
}*/
|
|
|
|
if ((m_settings.m_dcBlock != settings.m_dcBlock) || force)
|
|
{
|
|
m_settings.m_dcBlock = settings.m_dcBlock;
|
|
m_deviceAPI->configureCorrections(m_settings.m_dcBlock, m_settings.m_iqImbalance);
|
|
}
|
|
|
|
if ((m_settings.m_iqImbalance != settings.m_iqImbalance) || force)
|
|
{
|
|
m_settings.m_iqImbalance = settings.m_iqImbalance;
|
|
m_deviceAPI->configureCorrections(m_settings.m_dcBlock, m_settings.m_iqImbalance);
|
|
}
|
|
|
|
if (forwardChange)
|
|
{
|
|
int sampleRate = m_settings.m_devSampleRate/(1<<m_settings.m_log2Decim);
|
|
DSPSignalNotification *notif = new DSPSignalNotification(sampleRate, m_settings.m_centerFrequency);
|
|
m_deviceAPI->getDeviceInputMessageQueue()->push(notif);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void RTLSDRInput::set_ds_mode(int on)
|
|
{
|
|
rtlsdr_set_direct_sampling(m_dev, on);
|
|
}
|
|
|