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sdrangel/plugins/samplesource/bladerfinput/bladerfinput.cpp
2017-05-25 20:13:34 +02:00

558 lines
15 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 "bladerfinput.h"
#include <string.h>
#include <errno.h>
#include <QDebug>
#include "util/simpleserializer.h"
#include "dsp/dspcommands.h"
#include "dsp/dspengine.h"
#include "device/devicesourceapi.h"
#include "device/devicesinkapi.h"
#include "bladerfinputgui.h"
#include "bladerfinputthread.h"
MESSAGE_CLASS_DEFINITION(BladerfInput::MsgConfigureBladerf, Message)
BladerfInput::BladerfInput(DeviceSourceAPI *deviceAPI) :
m_deviceAPI(deviceAPI),
m_settings(),
m_dev(0),
m_bladerfThread(0),
m_deviceDescription("BladeRFInput"),
m_running(false)
{
openDevice();
m_deviceAPI->setBuddySharedPtr(&m_sharedParams);
}
BladerfInput::~BladerfInput()
{
if (m_running) stop();
closeDevice();
m_deviceAPI->setBuddySharedPtr(0);
}
bool BladerfInput::openDevice()
{
if (m_dev != 0)
{
closeDevice();
}
int res;
if (!m_sampleFifo.setSize(96000 * 4))
{
qCritical("BladerfInput::openDevice: could not allocate SampleFifo");
return false;
}
if (m_deviceAPI->getSinkBuddies().size() > 0)
{
DeviceSinkAPI *sinkBuddy = m_deviceAPI->getSinkBuddies()[0];
DeviceBladeRFParams *buddySharedParams = (DeviceBladeRFParams *) sinkBuddy->getBuddySharedPtr();
if (buddySharedParams == 0)
{
qCritical("BladerfInput::openDevice: could not get shared parameters from buddy");
return false;
}
if (buddySharedParams->m_dev == 0) // device is not opened by buddy
{
qCritical("BladerfInput::openDevice: could not get BladeRF handle from buddy");
return false;
}
m_sharedParams = *(buddySharedParams); // copy parameters from buddy
m_dev = m_sharedParams.m_dev; // get BladeRF handle
}
else
{
if (!DeviceBladeRF::open_bladerf(&m_dev, qPrintable(m_deviceAPI->getSampleSourceSerial())))
{
qCritical("BladerfInput::start: could not open BladeRF %s", qPrintable(m_deviceAPI->getSampleSourceSerial()));
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_RX, BLADERF_FORMAT_SC16_Q11, 64, 8192, 32, 10000)) < 0)
{
qCritical("BladerfInput::start: bladerf_sync_config with return code %d", res);
return false;
}
if ((res = bladerf_enable_module(m_dev, BLADERF_MODULE_RX, true)) < 0)
{
qCritical("BladerfInput::start: bladerf_enable_module with return code %d", res);
return false;
}
return true;
}
bool BladerfInput::start()
{
// QMutexLocker mutexLocker(&m_mutex);
if (!m_dev) {
return false;
}
if (m_running) stop();
if((m_bladerfThread = new BladerfInputThread(m_dev, &m_sampleFifo)) == 0) {
qFatal("BladerfInput::start: out of memory");
stop();
return false;
}
m_bladerfThread->setLog2Decimation(m_settings.m_log2Decim);
m_bladerfThread->setFcPos((int) m_settings.m_fcPos);
m_bladerfThread->startWork();
// mutexLocker.unlock();
applySettings(m_settings, true);
qDebug("BladerfInput::startInput: started");
m_running = true;
return true;
}
void BladerfInput::closeDevice()
{
int res;
if (m_dev == 0) { // was never open
return;
}
if ((res = bladerf_enable_module(m_dev, BLADERF_MODULE_RX, false)) < 0)
{
qCritical("BladerfInput::stop: bladerf_enable_module with return code %d", res);
}
if (m_deviceAPI->getSinkBuddies().size() == 0)
{
qDebug("BladerfInput::closeDevice: closing device since Tx side is not open");
if(m_dev != 0) // close BladeRF
{
bladerf_close(m_dev);
}
}
m_sharedParams.m_dev = 0;
m_dev = 0;
}
void BladerfInput::stop()
{
// QMutexLocker mutexLocker(&m_mutex);
if(m_bladerfThread != 0)
{
m_bladerfThread->stopWork();
delete m_bladerfThread;
m_bladerfThread = 0;
}
m_running = false;
}
const QString& BladerfInput::getDeviceDescription() const
{
return m_deviceDescription;
}
int BladerfInput::getSampleRate() const
{
int rate = m_settings.m_devSampleRate;
return (rate / (1<<m_settings.m_log2Decim));
}
quint64 BladerfInput::getCenterFrequency() const
{
return m_settings.m_centerFrequency;
}
bool BladerfInput::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 BladerfInput::applySettings(const BladeRFInputSettings& settings, bool force)
{
bool forwardChange = false;
// QMutexLocker mutexLocker(&m_mutex);
qDebug() << "BladerfInput::applySettings: m_dev: " << m_dev;
if (m_settings.m_dcBlock != settings.m_dcBlock)
{
m_settings.m_dcBlock = settings.m_dcBlock;
m_deviceAPI->configureCorrections(m_settings.m_dcBlock, m_settings.m_iqCorrection);
}
if (m_settings.m_iqCorrection != settings.m_iqCorrection)
{
m_settings.m_iqCorrection = settings.m_iqCorrection;
m_deviceAPI->configureCorrections(m_settings.m_dcBlock, m_settings.m_iqCorrection);
}
if ((m_settings.m_lnaGain != settings.m_lnaGain) || force)
{
m_settings.m_lnaGain = settings.m_lnaGain;
if (m_dev != 0)
{
if(bladerf_set_lna_gain(m_dev, getLnaGain(m_settings.m_lnaGain)) != 0)
{
qDebug("BladerfInput::applySettings: bladerf_set_lna_gain() failed");
}
else
{
qDebug() << "BladerfInput::applySettings: LNA gain set to " << getLnaGain(m_settings.m_lnaGain);
}
}
}
if ((m_settings.m_vga1 != settings.m_vga1) || force)
{
m_settings.m_vga1 = settings.m_vga1;
if (m_dev != 0)
{
if(bladerf_set_rxvga1(m_dev, m_settings.m_vga1) != 0)
{
qDebug("BladerfInput::applySettings: bladerf_set_rxvga1() failed");
}
else
{
qDebug() << "BladerfInput::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_rxvga2(m_dev, m_settings.m_vga2) != 0)
{
qDebug("BladerfInput::applySettings: bladerf_set_rxvga2() failed");
}
else
{
qDebug() << "BladerfInput::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->getSinkBuddies().size() > 0)
{
DeviceSinkAPI *buddy = m_deviceAPI->getSinkBuddies()[0];
if (buddy->getDeviceSinkEngine()->state() == DSPDeviceSinkEngine::StRunning) // Tx side running
{
changeSettings = false;
}
else
{
changeSettings = true;
}
}
else // No Tx open
{
changeSettings = true;
}
if (changeSettings)
{
if (m_settings.m_xb200)
{
if (bladerf_expansion_attach(m_dev, BLADERF_XB_200) != 0)
{
qDebug("BladerfInput::applySettings: bladerf_expansion_attach(xb200) failed");
}
else
{
qDebug() << "BladerfInput::applySettings: Attach XB200";
}
}
else
{
if (bladerf_expansion_attach(m_dev, BLADERF_XB_NONE) != 0)
{
qDebug("BladerfInput::applySettings: bladerf_expansion_attach(none) failed");
}
else
{
qDebug() << "BladerfInput::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_RX, m_settings.m_xb200Path) != 0)
{
qDebug("BladerfInput::applySettings: bladerf_xb200_set_path(BLADERF_MODULE_RX) failed");
}
else
{
qDebug() << "BladerfInput::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_RX, m_settings.m_xb200Filter) != 0)
{
qDebug("BladerfInput::applySettings: bladerf_xb200_set_filterbank(BLADERF_MODULE_RX) failed");
}
else
{
qDebug() << "BladerfInput::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_RX, m_settings.m_devSampleRate, &actualSamplerate) < 0)
{
qCritical("BladerfInput::applySettings: could not set sample rate: %d", m_settings.m_devSampleRate);
}
else
{
qDebug() << "BladerfInput::applySettings: bladerf_set_sample_rate(BLADERF_MODULE_RX) 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_RX, m_settings.m_bandwidth, &actualBandwidth) < 0)
{
qCritical("BladerfInput::applySettings: could not set bandwidth: %d", m_settings.m_bandwidth);
}
else
{
qDebug() << "BladerfInput::applySettings: bladerf_set_bandwidth(BLADERF_MODULE_RX) actual bandwidth is " << actualBandwidth;
}
}
}
if ((m_settings.m_log2Decim != settings.m_log2Decim) || force)
{
m_settings.m_log2Decim = settings.m_log2Decim;
forwardChange = true;
if (m_bladerfThread != 0)
{
m_bladerfThread->setLog2Decimation(m_settings.m_log2Decim);
qDebug() << "BladerfInput::applySettings: set decimation to " << (1<<m_settings.m_log2Decim);
}
}
if ((m_settings.m_fcPos != settings.m_fcPos) || force)
{
m_settings.m_fcPos = settings.m_fcPos;
if (m_bladerfThread != 0)
{
m_bladerfThread->setFcPos((int) m_settings.m_fcPos);
qDebug() << "BladerfInput::applySettings: set fc pos (enum) to " << (int) m_settings.m_fcPos;
}
}
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;
if ((m_settings.m_log2Decim == 0) || (m_settings.m_fcPos == BladeRFInputSettings::FC_POS_CENTER))
{
deviceCenterFrequency = m_settings.m_centerFrequency;
f_img = deviceCenterFrequency;
f_cut = deviceCenterFrequency + m_settings.m_bandwidth/2;
}
else
{
if (m_settings.m_fcPos == BladeRFInputSettings::FC_POS_INFRA)
{
deviceCenterFrequency = m_settings.m_centerFrequency + (m_settings.m_devSampleRate / 4);
f_img = deviceCenterFrequency + m_settings.m_devSampleRate/2;
f_cut = deviceCenterFrequency + m_settings.m_bandwidth/2;
}
else if (m_settings.m_fcPos == BladeRFInputSettings::FC_POS_SUPRA)
{
deviceCenterFrequency = m_settings.m_centerFrequency - (m_settings.m_devSampleRate / 4);
f_img = deviceCenterFrequency - m_settings.m_devSampleRate/2;
f_cut = deviceCenterFrequency - m_settings.m_bandwidth/2;
}
}
if (m_dev != NULL)
{
if (bladerf_set_frequency( m_dev, BLADERF_MODULE_RX, deviceCenterFrequency ) != 0)
{
qDebug("BladerfInput::applySettings: bladerf_set_frequency(%lld) failed", m_settings.m_centerFrequency);
}
}
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);
}
qDebug() << "BladerfInput::applySettings: center freq: " << m_settings.m_centerFrequency << " Hz"
<< " device center freq: " << deviceCenterFrequency << " Hz"
<< " device sample rate: " << m_settings.m_devSampleRate << "S/s"
<< " Actual sample rate: " << m_settings.m_devSampleRate/(1<<m_settings.m_log2Decim) << "S/s"
<< " BW: " << m_settings.m_bandwidth << "Hz"
<< " img: " << f_img << "Hz"
<< " cut: " << f_cut << "Hz"
<< " img - cut: " << f_img - f_cut;
return true;
}
bladerf_lna_gain BladerfInput::getLnaGain(int lnaGain)
{
if (lnaGain == 2)
{
return BLADERF_LNA_GAIN_MAX;
}
else if (lnaGain == 1)
{
return BLADERF_LNA_GAIN_MID;
}
else
{
return BLADERF_LNA_GAIN_BYPASS;
}
}
//struct bladerf *BladerfInput::open_bladerf_from_serial(const char *serial)
//{
// int status;
// struct bladerf *dev;
// struct bladerf_devinfo info;
//
// /* Initialize all fields to "don't care" wildcard values.
// *
// * Immediately passing this to bladerf_open_with_devinfo() would cause
// * libbladeRF to open any device on any available backend. */
// bladerf_init_devinfo(&info);
//
// /* Specify the desired device's serial number, while leaving all other
// * fields in the info structure wildcard values */
// if (serial != NULL)
// {
// strncpy(info.serial, serial, BLADERF_SERIAL_LENGTH - 1);
// info.serial[BLADERF_SERIAL_LENGTH - 1] = '\0';
// }
//
// status = bladerf_open_with_devinfo(&dev, &info);
//
// if (status == BLADERF_ERR_NODEV)
// {
// fprintf(stderr, "No devices available with serial=%s\n", serial);
// return NULL;
// }
// else if (status != 0)
// {
// fprintf(stderr, "Failed to open device with serial=%s (%s)\n",
// serial, bladerf_strerror(status));
// return NULL;
// }
// else
// {
// return dev;
// }
//}