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sdrangel/plugins/samplesink/bladerfoutput/bladerfoutput.cpp

446 lines
13 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015 Edouard Griffiths, F4EXB //
// //
// 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 <string.h>
#include <errno.h>
#include <QDebug>
#include "util/simpleserializer.h"
#include "dsp/dspcommands.h"
#include "dsp/dspengine.h"
#include "device/devicesinkapi.h"
#include "device/devicesourceapi.h"
#include "bladerfoutput.h"
#include "bladerfoutputgui.h"
#include "bladerfoutputthread.h"
MESSAGE_CLASS_DEFINITION(BladerfOutput::MsgConfigureBladerf, Message)
MESSAGE_CLASS_DEFINITION(BladerfOutput::MsgReportBladerf, Message)
BladerfOutput::BladerfOutput(DeviceSinkAPI *deviceAPI) :
m_deviceAPI(deviceAPI),
m_settings(),
m_dev(0),
m_bladerfThread(0),
m_deviceDescription("BladeRFOutput")
{
m_deviceAPI->setBuddySharedPtr(&m_sharedParams);
}
BladerfOutput::~BladerfOutput()
{
stop();
m_deviceAPI->setBuddySharedPtr(0);
}
bool BladerfOutput::init(const Message& cmd)
{
return false;
}
bool BladerfOutput::start(int device)
{
QMutexLocker mutexLocker(&m_mutex);
if (m_dev != 0)
{
stop();
}
int res;
m_sampleSourceFifo.resize(m_settings.m_devSampleRate); // 1s long
if (m_deviceAPI->getSourceBuddies().size() > 0)
{
DeviceSourceAPI *buddy = m_deviceAPI->getSourceBuddies()[0];
DeviceBladeRFParams *buddySharedParams = (DeviceBladeRFParams *) buddy->getBuddySharedPtr();
if (buddySharedParams == 0)
{
qCritical("BladerfOutput::start: could not get shared parameters from buddy");
return false;
}
if (buddy->getDeviceSourceEngine()->state() == DSPDeviceSourceEngine::StRunning) // Rx side is running so it must have device ownership
{
if ((m_dev = buddySharedParams->m_dev) == 0) // get device handle from Rx but do not take ownership
{
qCritical("BladerfOutput::start: could not get BladeRF handle from buddy");
return false;
}
}
else // Rx is not running so Tx opens device and takes ownership
{
if (!DeviceBladeRF::open_bladerf(&m_dev, 0)) // TODO: fix; Open first available device as there is no proper handling for multiple devices
{
qCritical("BladerfOutput::start: could not open BladeRF");
return false;
}
m_sharedParams.m_dev = m_dev;
}
}
else // No Rx part open so Tx opens device and takes ownership
{
if (!DeviceBladeRF::open_bladerf(&m_dev, 0)) // TODO: fix; Open first available device as there is no proper handling for multiple devices
{
qCritical("BladerfOutput::start: could not open BladeRF");
return false;
}
m_sharedParams.m_dev = m_dev;
}
// TODO: adjust USB transfer data according to sample rate
if ((res = bladerf_sync_config(m_dev, BLADERF_MODULE_TX, BLADERF_FORMAT_SC16_Q11, 64, 8192, 32, 10000)) < 0)
{
qCritical("BladerfOutput::start: bladerf_sync_config with return code %d", res);
goto failed;
}
if ((res = bladerf_enable_module(m_dev, BLADERF_MODULE_TX, true)) < 0)
{
qCritical("BladerfOutput::start: bladerf_enable_module with return code %d", res);
goto failed;
}
if((m_bladerfThread = new BladerfOutputThread(m_dev, &m_sampleSourceFifo)) == 0)
{
qFatal("BladerfOutput::start: out of memory");
goto failed;
}
m_bladerfThread->startWork();
mutexLocker.unlock();
applySettings(m_settings, true);
qDebug("BladerfOutput::start: started");
return true;
failed:
stop();
return false;
}
void BladerfOutput::stop()
{
QMutexLocker mutexLocker(&m_mutex);
if(m_bladerfThread != 0)
{
m_bladerfThread->stopWork();
delete m_bladerfThread;
m_bladerfThread = 0;
}
if (m_deviceAPI->getSourceBuddies().size() > 0)
{
DeviceSourceAPI *buddy = m_deviceAPI->getSourceBuddies()[0];
DeviceBladeRFParams *buddySharedParams = (DeviceBladeRFParams *) buddy->getBuddySharedPtr();
if (buddy->getDeviceSourceEngine()->state() == DSPDeviceSourceEngine::StRunning) // Rx side running
{
if ((m_sharedParams.m_dev != 0) && (buddySharedParams->m_dev == 0)) // Tx has the ownership but not the Rx
{
buddySharedParams->m_dev = m_dev; // transfer ownership
}
}
else // Rx is not running so Tx must have the ownership
{
if(m_dev != 0) // close BladeRF
{
bladerf_close(m_dev);
m_dev = 0;
}
}
}
else // No Rx part open
{
if(m_dev != 0) // close BladeRF
{
bladerf_close(m_dev);
m_dev = 0;
}
}
m_sharedParams.m_dev = 0;
}
const QString& BladerfOutput::getDeviceDescription() const
{
return m_deviceDescription;
}
int BladerfOutput::getSampleRate() const
{
int rate = m_settings.m_devSampleRate;
return (rate / (1<<m_settings.m_log2Interp));
}
quint64 BladerfOutput::getCenterFrequency() const
{
return m_settings.m_centerFrequency;
}
bool BladerfOutput::handleMessage(const Message& message)
{
if (MsgConfigureBladerf::match(message))
{
MsgConfigureBladerf& conf = (MsgConfigureBladerf&) message;
qDebug() << "BladerfInput::handleMessage: MsgConfigureBladerf";
if (!applySettings(conf.getSettings(), false))
{
qDebug("BladeRF config error");
}
return true;
}
else
{
return false;
}
}
bool BladerfOutput::applySettings(const BladeRFOutputSettings& settings, bool force)
{
bool forwardChange = false;
QMutexLocker mutexLocker(&m_mutex);
qDebug() << "BladerfOutput::applySettings: m_dev: " << m_dev;
if ((m_settings.m_vga1 != settings.m_vga1) || force)
{
m_settings.m_vga1 = settings.m_vga1;
if (m_dev != 0)
{
if(bladerf_set_txvga1(m_dev, m_settings.m_vga1) != 0)
{
qDebug("BladerfOutput::applySettings: bladerf_set_txvga1() failed");
}
else
{
qDebug() << "BladerfOutput::applySettings: VGA1 gain set to " << m_settings.m_vga1;
}
}
}
if ((m_settings.m_vga2 != settings.m_vga2) || force)
{
m_settings.m_vga2 = settings.m_vga2;
if(m_dev != 0)
{
if(bladerf_set_txvga2(m_dev, m_settings.m_vga2) != 0)
{
qDebug("BladerfOutput::applySettings:bladerf_set_rxvga2() failed");
}
else
{
qDebug() << "BladerfOutput::applySettings: VGA2 gain set to " << m_settings.m_vga2;
}
}
}
if ((m_settings.m_xb200 != settings.m_xb200) || force)
{
m_settings.m_xb200 = settings.m_xb200;
if (m_dev != 0)
{
bool changeSettings;
if (m_deviceAPI->getSourceBuddies().size() > 0)
{
DeviceSourceAPI *buddy = m_deviceAPI->getSourceBuddies()[0];
DeviceBladeRFParams *buddySharedParams = (DeviceBladeRFParams *) buddy->getBuddySharedPtr();
if (buddy->getDeviceSourceEngine()->state() == DSPDeviceSourceEngine::StRunning) // Tx side running
{
changeSettings = false;
}
else
{
changeSettings = true;
}
}
else // No Rx open
{
changeSettings = true;
}
if (changeSettings)
{
if (m_settings.m_xb200)
{
if (bladerf_expansion_attach(m_dev, BLADERF_XB_200) != 0)
{
qDebug("BladerfOutput::applySettings: bladerf_expansion_attach(xb200) failed");
}
else
{
qDebug() << "BladerfOutput::applySettings: Attach XB200";
}
}
else
{
if (bladerf_expansion_attach(m_dev, BLADERF_XB_NONE) != 0)
{
qDebug("BladerfOutput::applySettings: bladerf_expansion_attach(none) failed");
}
else
{
qDebug() << "BladerfOutput::applySettings: Detach XB200";
}
}
m_sharedParams.m_xb200Attached = m_settings.m_xb200;
}
}
}
if ((m_settings.m_xb200Path != settings.m_xb200Path) || force)
{
m_settings.m_xb200Path = settings.m_xb200Path;
if (m_dev != 0)
{
if(bladerf_xb200_set_path(m_dev, BLADERF_MODULE_TX, m_settings.m_xb200Path) != 0)
{
qDebug("BladerfOutput::applySettings: bladerf_xb200_set_path(BLADERF_MODULE_TX) failed");
}
else
{
qDebug() << "BladerfOutput::applySettings: set xb200 path to " << m_settings.m_xb200Path;
}
}
}
if ((m_settings.m_xb200Filter != settings.m_xb200Filter) || force)
{
m_settings.m_xb200Filter = settings.m_xb200Filter;
if (m_dev != 0)
{
if(bladerf_xb200_set_filterbank(m_dev, BLADERF_MODULE_TX, m_settings.m_xb200Filter) != 0)
{
qDebug("BladerfOutput::applySettings: bladerf_xb200_set_filterbank(BLADERF_MODULE_TX) failed");
}
else
{
qDebug() << "BladerfOutput::applySettings: set xb200 filter to " << m_settings.m_xb200Filter;
}
}
}
if ((m_settings.m_devSampleRate != settings.m_devSampleRate) || force)
{
m_settings.m_devSampleRate = settings.m_devSampleRate;
forwardChange = true;
if (m_dev != 0)
{
unsigned int actualSamplerate;
if (bladerf_set_sample_rate(m_dev, BLADERF_MODULE_TX, m_settings.m_devSampleRate, &actualSamplerate) < 0)
{
qCritical("BladerfOutput::applySettings: could not set sample rate: %d", m_settings.m_devSampleRate);
}
else
{
qDebug() << "BladerfOutput::applySettings: bladerf_set_sample_rate(BLADERF_MODULE_TX) actual sample rate is " << actualSamplerate;
}
}
}
if ((m_settings.m_bandwidth != settings.m_bandwidth) || force)
{
m_settings.m_bandwidth = settings.m_bandwidth;
if(m_dev != 0)
{
unsigned int actualBandwidth;
if( bladerf_set_bandwidth(m_dev, BLADERF_MODULE_TX, m_settings.m_bandwidth, &actualBandwidth) < 0)
{
qCritical("BladerfOutput::applySettings: could not set bandwidth: %d", m_settings.m_bandwidth);
}
else
{
qDebug() << "BladerfOutput::applySettings: bladerf_set_bandwidth(BLADERF_MODULE_TX) actual bandwidth is " << actualBandwidth;
}
}
}
if ((m_settings.m_log2Interp != settings.m_log2Interp) || force)
{
m_settings.m_log2Interp = settings.m_log2Interp;
forwardChange = true;
if(m_dev != 0)
{
m_bladerfThread->setLog2Interpolation(m_settings.m_log2Interp);
qDebug() << "BladerfOutput::applySettings: set interpolation to " << (1<<m_settings.m_log2Interp);
}
}
if (m_settings.m_centerFrequency != settings.m_centerFrequency)
{
forwardChange = true;
}
m_settings.m_centerFrequency = settings.m_centerFrequency;
qint64 deviceCenterFrequency = m_settings.m_centerFrequency;
qint64 f_img = deviceCenterFrequency;
qint64 f_cut = deviceCenterFrequency + m_settings.m_bandwidth/2;
deviceCenterFrequency = m_settings.m_centerFrequency;
f_img = deviceCenterFrequency;
f_cut = deviceCenterFrequency + m_settings.m_bandwidth/2;
if (m_dev != NULL)
{
if (bladerf_set_frequency( m_dev, BLADERF_MODULE_TX, deviceCenterFrequency ) != 0)
{
qDebug("BladerfOutput::applySettings: bladerf_set_frequency(%lld) failed", m_settings.m_centerFrequency);
}
}
if (forwardChange)
{
int sampleRate = m_settings.m_devSampleRate/(1<<m_settings.m_log2Interp);
DSPSignalNotification *notif = new DSPSignalNotification(sampleRate, m_settings.m_centerFrequency);
m_deviceAPI->getDeviceInputMessageQueue()->push(notif);
}
qDebug() << "BladerfOutput::applySettings: center freq: " << m_settings.m_centerFrequency << " Hz"
<< " device center freq: " << deviceCenterFrequency << " Hz"
<< " device sample rate: " << m_settings.m_devSampleRate << "Hz"
<< " baseband sample rate: " << m_settings.m_devSampleRate/(1<<m_settings.m_log2Interp) << "Hz"
<< " BW: " << m_settings.m_bandwidth << "Hz"
<< " img: " << f_img << "Hz"
<< " cut: " << f_cut << "Hz"
<< " img - cut: " << f_img - f_cut;
return true;
}