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LimeSDR support (6)

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f4exb 2017-04-13 18:18:15 +02:00
parent bb812b4b47
commit 527b5ef2f5
5 changed files with 315 additions and 77 deletions
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9
devices/limesdr/devicelimesdrparam.cpp
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@ -94,5 +94,12 @@ bool DeviceLimeSDRParams::open(lms_info_str_t deviceStr)
return true;
}
void DeviceLimeSDRParams::close()
{
if (m_dev)
{
LMS_Close(m_dev);
m_dev = 0;
}
}

147
devices/limesdr/devicelimesdrparam.h
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@ -1,76 +1,71 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef DEVICES_LIMESDR_DEVICELIMESDRPARAM_H_
#define DEVICES_LIMESDR_DEVICELIMESDRPARAM_H_
#include "lime/LimeSuite.h"
/**
* This structure refers to one physical device shared among parties (logical devices represented by
* the DeviceSinkAPI or DeviceSourceAPI).
* It allows storing information on the common resources in one place and is shared among participants.
* There is only one copy that is constructed by the first participant and destroyed by the last.
* A participant knows it is the first or last by checking the lists of buddies (Rx + Tx).
*/
struct DeviceLimeSDRParams
{
lms_device_t *m_dev; //!< device handle if the party has ownership else 0
int m_nbRxChannels; //!< number of Rx channels (normally 2, we'll see if we really use it...)
int m_nbTxChannels; //!< number of Tx channels (normally 2, we'll see if we really use it...)
lms_range_t m_lpfRangeRx; //!< Low pass filter range information (Rx side)
lms_range_t m_lpfRangeTx; //!< Low pass filter range information (Tx side)
lms_range_t m_loRangeRx; //!< LO range for Rx
lms_range_t m_loRangeTx; //!< LO range for Tx
lms_range_t m_srRangeRx; //!< ADC sample rate range
lms_range_t m_srRangeTx; //!< DAC sample rate range
float m_sampleRate; //!< ADC/DAC sample rate
int m_log2OvSRRx; //!< log2 of Rx oversampling (0..5)
int m_log2OvSRTx; //!< log2 of Tx oversampling (0..5)
float m_rxFrequency; //!< Rx frequency
float m_txFrequency; //!< Tx frequency
DeviceLimeSDRParams() :
m_dev(0),
m_nbRxChannels(0),
m_nbTxChannels(0),
m_sampleRate(1e6),
m_log2OvSRRx(0),
m_log2OvSRTx(0),
m_rxFrequency(1e6),
m_txFrequency(1e6)
{
}
/**
* Opens and initialize the device and obtain information (# channels, ranges, ...)
*/
bool open(lms_info_str_t deviceStr);
~DeviceLimeSDRParams()
{
if (m_dev)
{
LMS_Close(m_dev);
m_dev = 0;
}
}
private:
void close();
};
#endif /* DEVICES_LIMESDR_DEVICELIMESDRPARAM_H_ */
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef DEVICES_LIMESDR_DEVICELIMESDRPARAM_H_
#define DEVICES_LIMESDR_DEVICELIMESDRPARAM_H_
#include "lime/LimeSuite.h"
/**
* This structure refers to one physical device shared among parties (logical devices represented by
* the DeviceSinkAPI or DeviceSourceAPI).
* It allows storing information on the common resources in one place and is shared among participants.
* There is only one copy that is constructed by the first participant and destroyed by the last.
* A participant knows it is the first or last by checking the lists of buddies (Rx + Tx).
*/
struct DeviceLimeSDRParams
{
lms_device_t *m_dev; //!< device handle if the party has ownership else 0
int m_channel; //!< logical device channel number (-1 if none)
int m_nbRxChannels; //!< number of Rx channels (normally 2, we'll see if we really use it...)
int m_nbTxChannels; //!< number of Tx channels (normally 2, we'll see if we really use it...)
lms_range_t m_lpfRangeRx; //!< Low pass filter range information (Rx side)
lms_range_t m_lpfRangeTx; //!< Low pass filter range information (Tx side)
lms_range_t m_loRangeRx; //!< LO range for Rx
lms_range_t m_loRangeTx; //!< LO range for Tx
lms_range_t m_srRangeRx; //!< ADC sample rate range
lms_range_t m_srRangeTx; //!< DAC sample rate range
float m_sampleRate; //!< ADC/DAC sample rate
int m_log2OvSRRx; //!< log2 of Rx oversampling (0..5)
int m_log2OvSRTx; //!< log2 of Tx oversampling (0..5)
float m_rxFrequency; //!< Rx frequency
float m_txFrequency; //!< Tx frequency
DeviceLimeSDRParams() :
m_dev(0),
m_channel(-1),
m_nbRxChannels(0),
m_nbTxChannels(0),
m_sampleRate(1e6),
m_log2OvSRRx(0),
m_log2OvSRTx(0),
m_rxFrequency(1e6),
m_txFrequency(1e6)
{
}
/**
* Opens and initialize the device and obtain information (# channels, ranges, ...)
*/
bool open(lms_info_str_t deviceStr);
void close();
~DeviceLimeSDRParams()
{
}
};
#endif /* DEVICES_LIMESDR_DEVICELIMESDRPARAM_H_ */

153
plugins/samplesource/limesdrinput/limesdrinput.cpp Normal file
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@ -0,0 +1,153 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 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 <QMutexLocker>
#include <string.h>
#include "limesdrinput.h"
LimeSDRInput::LimeSDRInput(DeviceSourceAPI *deviceAPI) :
m_deviceAPI(deviceAPI),
m_settings(),
m_limeSDRInputThread(0),
m_deviceDescription(),
m_running(false)
{
openDevice();
}
LimeSDRInput::~LimeSDRInput()
{
if (m_running) stop();
closeDevice();
}
bool LimeSDRInput::openDevice()
{
// look for Rx buddies and get reference to common parameters
// if there is a channel left take the first available
if (m_deviceAPI->getSourceBuddies().size() > 0) // look source sibling first
{
DeviceSinkAPI *sourceBuddy = m_deviceAPI->getSourceBuddies()[0];
m_deviceParams = *(sourceBuddy->getBuddySharedPtr()); // copy parameters
if (m_deviceAPI->getSourceBuddies().size() == m_deviceParams.m_nbRxChannels)
{
return false; // no more Rx channels available in device
}
// look for unused channel number
char *busyChannels = new char[m_deviceParams.m_nbRxChannels];
memset(busyChannels, 0, m_deviceParams.m_nbRxChannels);
for (int i = 0; i < m_deviceAPI->getSourceBuddies().size(); i++)
{
DeviceSinkAPI *buddy = m_deviceAPI->getSourceBuddies()[i];
DeviceLimeSDRParams *buddyParms = buddy->getBuddySharedPtr();
busyChannels[buddyParms->m_channel] = 1;
}
int ch = 0;
for (;ch < m_deviceParams.m_nbRxChannels; ch++)
{
if (busyChannels[ch] == 0) {
break; // first available is the good one
}
}
m_deviceParams.m_channel = ch;
delete[] busyChannels;
}
// look for Tx buddies and get reference to common parameters
// take the first Rx channel
else if (m_deviceAPI->getSinkBuddies().size() > 0) // then sink
{
DeviceSinkAPI *sinkBuddy = m_deviceAPI->getSinkBuddies()[0];
m_deviceParams = *(sinkBuddy->getBuddySharedPtr()); // copy parameters
m_deviceParams.m_channel = 0; // take first channel
}
// There are no buddies then create the first LimeSDR common parameters
// open the device this will also populate common fields
// take the first Rx channel
else
{
m_deviceParams.open((lms_info_str_t) qPrintable(m_deviceAPI->getSampleSourceSerial()));
m_deviceParams.m_channel = 0; // take first channel
}
m_deviceAPI->setBuddySharedPtr(&m_deviceParams); // propagate common parameters to API
// TODO: acquire the channel
return true;
}
void LimeSDRInput::closeDevice()
{
// TODO: release the channel
// No buddies effectively close the device
if ((m_deviceAPI->getSinkBuddies().size() == 0) && (m_deviceAPI->getSourceBuddies().size() == 0))
{
m_deviceParams.close();
}
}
bool LimeSDRInput::start(int device)
{
QMutexLocker mutexLocker(&m_mutex);
if (!m_deviceParams.m_dev) {
return false;
}
if (m_running) stop();
if ((m_limeSDRInputThread = new LimeSDRInputThread(m_deviceParams.m_dev, &m_sampleFifo)) == 0)
{
qFatal("LimeSDRInput::start: out of memory");
stop();
return false;
}
m_limeSDRInputThread->setSamplerate(m_settings.m_devSampleRate);
m_limeSDRInputThread->setLog2Decimation(m_settings.m_log2Decim);
m_limeSDRInputThread->setFcPos((int) m_settings.m_fcPos);
m_limeSDRInputThread->startWork();
mutexLocker.unlock();
applySettings(m_settings, true);
m_running = true;
return true;
}
void LimeSDRInput::stop()
{
QMutexLocker mutexLocker(&m_mutex);
if (m_limeSDRInputThread != 0)
{
m_limeSDRInputThread->stopWork();
delete m_limeSDRInputThread;
m_limeSDRInputThread = 0;
}
m_running = false;
}

58
plugins/samplesource/limesdrinput/limesdrinput.h Normal file
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@ -0,0 +1,58 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef PLUGINS_SAMPLESOURCE_LIMESDRINPUT_LIMESDRINPUT_H_
#define PLUGINS_SAMPLESOURCE_LIMESDRINPUT_LIMESDRINPUT_H_
#include <QString>
#include "dsp/devicesamplesource.h"
#include "limesdr/devicelimesdrparam.h"
#include "limesdrinputsettings.h"
class DeviceSourceAPI;
class LimeSDRInputThread;
struct DeviceLimeSDRParams;
class LimeSDRInput : public DeviceSampleSource
{
public:
LimeSDRInput(DeviceSourceAPI *deviceAPI);
virtual ~LimeSDRInput();
virtual bool start(int device);
virtual void stop();
virtual const QString& getDeviceDescription() const;
virtual int getSampleRate() const;
virtual quint64 getCenterFrequency() const;
virtual bool handleMessage(const Message& message);
private:
DeviceSourceAPI *m_deviceAPI;
QMutex m_mutex;
LimeSDRInputSettings m_settings;
LimeSDRInputThread* m_limeSDRInputThread;
QString m_deviceDescription;
bool m_running;
DeviceLimeSDRParams m_deviceParams;
bool openDevice();
void closeDevice();
bool applySettings(const LimeSDRInputSettings& settings, bool force);
};
#endif /* PLUGINS_SAMPLESOURCE_LIMESDRINPUT_LIMESDRINPUT_H_ */

25
plugins/samplesource/limesdrinput/limesdrinputsettings.h Normal file
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@ -0,0 +1,25 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef PLUGINS_SAMPLESOURCE_LIMESDRINPUT_LIMESDRINPUTSETTINGS_H_
#define PLUGINS_SAMPLESOURCE_LIMESDRINPUT_LIMESDRINPUTSETTINGS_H_
struct LimeSDRInputSettings
{
};
#endif /* PLUGINS_SAMPLESOURCE_LIMESDRINPUT_LIMESDRINPUTSETTINGS_H_ */