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bladeRF_SoapySDR.hpp
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bladeRF_SoapySDR.hpp
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/*
* This file is part of the bladeRF project:
* http://www.github.com/nuand/bladeRF
*
* Copyright (C) 2015-2018 Josh Blum
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include <SoapySDR/Device.hpp>
#include <SoapySDR/Time.hpp>
#include <libbladeRF.h>
#include <cstdio>
#include <queue>
#if defined(LIBBLADERF_API_VERSION) && (LIBBLADERF_API_VERSION >= 0x02000000)
#else
#error "Requires libladerfv2!"
#endif
/*!
* Storage for rx commands and tx responses
*/
struct StreamMetadata
{
int flags;
long long timeNs;
size_t numElems;
int code;
};
/*!
* The SoapySDR device interface for a blade RF.
* The overloaded virtual methods calls into the blade RF C API.
*/
class bladeRF_SoapySDR : public SoapySDR::Device
{
public:
//! initialize blade RF from device info
bladeRF_SoapySDR(const bladerf_devinfo &devinfo);
//! destructor shuts down and cleans up
~bladeRF_SoapySDR(void);
/*******************************************************************
* Identification API
******************************************************************/
std::string getDriverKey(void) const
{
return "bladeRF";
}
std::string getHardwareKey(void) const;
SoapySDR::Kwargs getHardwareInfo(void) const;
/*******************************************************************
* Channels API
******************************************************************/
size_t getNumChannels(const int) const;
bool getFullDuplex(const int, const size_t) const;
/*******************************************************************
* Stream API
******************************************************************/
std::vector<std::string> getStreamFormats(const int direction, const size_t channel) const;
std::string getNativeStreamFormat(const int direction, const size_t channel, double &fullScale) const;
SoapySDR::ArgInfoList getStreamArgsInfo(const int direction, const size_t channel) const;
SoapySDR::Stream *setupStream(
const int direction,
const std::string &format,
const std::vector<size_t> &channels = std::vector<size_t>(),
const SoapySDR::Kwargs &args = SoapySDR::Kwargs());
void closeStream(SoapySDR::Stream *stream);
size_t getStreamMTU(SoapySDR::Stream *stream) const;
int activateStream(
SoapySDR::Stream *stream,
const int flags = 0,
const long long timeNs = 0,
const size_t numElems = 0);
int deactivateStream(
SoapySDR::Stream *stream,
const int flags = 0,
const long long timeNs = 0);
int readStream(
SoapySDR::Stream *stream,
void * const *buffs,
const size_t numElems,
int &flags,
long long &timeNs,
const long timeoutUs = 100000);
int writeStream(
SoapySDR::Stream *stream,
const void * const *buffs,
const size_t numElems,
int &flags,
const long long timeNs = 0,
const long timeoutUs = 100000);
int readStreamStatus(
SoapySDR::Stream *stream,
size_t &chanMask,
int &flags,
long long &timeNs,
const long timeoutUs
);
/*******************************************************************
* Antenna API
******************************************************************/
std::vector<std::string> listAntennas(const int direction, const size_t channel) const;
void setAntenna(const int direction, const size_t channel, const std::string &name);
std::string getAntenna(const int direction, const size_t channel) const;
/*******************************************************************
* Calibration API
******************************************************************/
bool hasDCOffset(const int direction, const size_t) const;
void setDCOffset(const int direction, const size_t, const std::complex<double> &offset);
std::complex<double> getDCOffset(const int direction, const size_t) const;
bool hasIQBalance(const int direction, const size_t) const;
void setIQBalance(const int direction, const size_t, const std::complex<double> &balance);
std::complex<double> getIQBalance(const int direction, const size_t) const;
/*******************************************************************
* Gain API
******************************************************************/
bool hasGainMode(const int direction, const size_t channel) const;
void setGainMode(const int direction, const size_t channel, const bool automatic);
bool getGainMode(const int direction, const size_t channel) const;
std::vector<std::string> listGains(const int direction, const size_t channel) const;
void setGain(const int direction, const size_t channel, const double value);
void setGain(const int direction, const size_t channel, const std::string &name, const double value);
double getGain(const int direction, const size_t channel) const;
double getGain(const int direction, const size_t channel, const std::string &name) const;
SoapySDR::Range getGainRange(const int direction, const size_t channel) const;
SoapySDR::Range getGainRange(const int direction, const size_t channel, const std::string &name) const;
/*******************************************************************
* Frequency API
******************************************************************/
void setFrequency(const int direction, const size_t channel, const std::string &name, const double frequency, const SoapySDR::Kwargs &args = SoapySDR::Kwargs());
double getFrequency(const int direction, const size_t channel, const std::string &name) const;
std::vector<std::string> listFrequencies(const int direction, const size_t channel) const;
SoapySDR::RangeList getFrequencyRange(const int direction, const size_t channel, const std::string &name) const;
/*******************************************************************
* Sample Rate API
******************************************************************/
void setSampleRate(const int direction, const size_t channel, const double rate);
double getSampleRate(const int direction, const size_t channel) const;
SoapySDR::RangeList getSampleRateRange(const int direction, const size_t channel) const;
std::vector<double> listSampleRates(const int direction, const size_t channel) const; //!deprecated
/*******************************************************************
* Bandwidth API
******************************************************************/
void setBandwidth(const int direction, const size_t channel, const double bw);
double getBandwidth(const int direction, const size_t channel) const;
SoapySDR::RangeList getBandwidthRange(const int direction, const size_t channel) const;
std::vector<double> listBandwidths(const int direction, const size_t channel) const; //!deprecated
/*******************************************************************
* Clocking API
******************************************************************/
void setMasterClockRate(const double rate);
double getMasterClockRate(void) const;
SoapySDR::RangeList getMasterClockRates(void) const;
std::vector<std::string> listClockSources(void) const;
void setClockSource(const std::string &source);
std::string getClockSource(void) const;
/*******************************************************************
* Time API
******************************************************************/
bool hasHardwareTime(const std::string &what = "") const;
long long getHardwareTime(const std::string &what = "") const;
void setHardwareTime(const long long timeNs, const std::string &what = "");
/*******************************************************************
* Sensor API
******************************************************************/
std::vector<std::string> listSensors(void) const;
SoapySDR::ArgInfo getSensorInfo(const std::string &key) const;
std::string readSensor(const std::string &key) const;
std::vector<std::string> listSensors(const int direction, const size_t channel) const;
SoapySDR::ArgInfo getSensorInfo(const int direction, const size_t channel, const std::string &key) const;
std::string readSensor(const int direction, const size_t channel, const std::string &key) const;
/*******************************************************************
* Register API
******************************************************************/
std::vector<std::string> listRegisterInterfaces(void) const;
void writeRegister(const std::string &name, const unsigned addr, const unsigned value);
unsigned readRegister(const std::string &name, const unsigned addr) const;
/*******************************************************************
* Settings API
******************************************************************/
SoapySDR::ArgInfoList getSettingInfo(void) const;
void writeSetting(const std::string &key, const std::string &value);
std::string readSetting(const std::string &key) const;
/*******************************************************************
* GPIO API
******************************************************************/
std::vector<std::string> listGPIOBanks(void) const;
void writeGPIO(const std::string &bank, const unsigned value);
void writeGPIO(const std::string &bank, const unsigned value, const unsigned mask);
unsigned readGPIO(const std::string &bank) const;
void writeGPIODir(const std::string &bank, const unsigned dir);
void writeGPIODir(const std::string &bank, const unsigned dir, const unsigned mask);
unsigned readGPIODir(const std::string &bank) const;
private:
static bladerf_channel _toch(const int direction, const size_t channel)
{
return (direction == SOAPY_SDR_RX)?BLADERF_CHANNEL_RX(channel):BLADERF_CHANNEL_TX(channel);
}
static std::string _err2str(const int err)
{
const char *msg = NULL;
switch (err)
{
case BLADERF_ERR_UNEXPECTED: msg = "An unexpected failure occurred"; break;
case BLADERF_ERR_RANGE: msg = "Provided parameter is out of range"; break;
case BLADERF_ERR_INVAL: msg = "Invalid operation/parameter"; break;
case BLADERF_ERR_MEM: msg = "Memory allocation error"; break;
case BLADERF_ERR_IO: msg = "File/Device I/O error"; break;
case BLADERF_ERR_TIMEOUT: msg = "Operation timed out"; break;
case BLADERF_ERR_NODEV: msg = "No device(s) available"; break;
case BLADERF_ERR_UNSUPPORTED: msg = "Operation not supported"; break;
case BLADERF_ERR_MISALIGNED: msg = "Misaligned flash access"; break;
case BLADERF_ERR_CHECKSUM: msg = "Invalid checksum"; break;
case BLADERF_ERR_NO_FILE: msg = "File not found"; break;
case BLADERF_ERR_UPDATE_FPGA: msg = "An FPGA update is required"; break;
case BLADERF_ERR_UPDATE_FW: msg = "A firmware update is requied"; break;
case BLADERF_ERR_TIME_PAST: msg = "Requested timestamp is in the past"; break;
default: msg = "Unknown error code"; break;
}
char buff[256];
sprintf(buff, "%d - %s", err, msg);
return buff;
}
long long _rxTicksToTimeNs(const long long ticks) const
{
return SoapySDR::ticksToTimeNs(ticks, _rxSampRate) + _timeNsOffset;
}
long long _timeNsToRxTicks(const long long timeNs) const
{
return SoapySDR::timeNsToTicks(timeNs-_timeNsOffset, _rxSampRate);
}
long long _txTicksToTimeNs(const long long ticks) const
{
return SoapySDR::ticksToTimeNs(ticks, _txSampRate) + _timeNsOffset;
}
long long _timeNsToTxTicks(const long long timeNs) const
{
return SoapySDR::timeNsToTicks(timeNs-_timeNsOffset, _txSampRate);
}
void updateRxMinTimeoutMs(void)
{
//the 2x factor allows padding so we aren't on the fence
_rxMinTimeoutMs = long((2*1000*_rxBuffSize)/_rxSampRate);
}
bool _isBladeRF1;
bool _isBladeRF2;
double _rxSampRate;
double _txSampRate;
bool _inTxBurst;
bool _rxFloats;
bool _txFloats;
bool _rxOverflow;
long long _rxNextTicks;
long long _txNextTicks;
long long _timeNsOffset;
int16_t *_rxConvBuff;
int16_t *_txConvBuff;
size_t _rxBuffSize;
size_t _txBuffSize;
std::vector<size_t> _rxChans;
std::vector<size_t> _txChans;
long _rxMinTimeoutMs;
std::queue<StreamMetadata> _rxCmds;
std::queue<StreamMetadata> _txResps;
std::string _xb200Mode;
std::string _samplingMode;
std::string _loopbackMode;
bladerf *_dev;
/*!
* Will contain a list containing the info on the already computed quick tunes.
* The key is (direction, channel, frequency), as defined in setFrequency(direction, channel, name, frequency, args).
* The value is the computed bladerf_quick_tune.
* It is filled when calling setFrequency(direction, channel, name, frequency, args)
* with "saveQuickTune" in the args.
*/
std::map<std::tuple<int, size_t, double>, bladerf_quick_tune*> _quickTunesByDirChanAndFreq;
//! Gets the quick tune info at the current frequency. Only available on BladeRF2.
bladerf_quick_tune* getQuickTune(const int direction, const size_t channel) const;
/*!
* Retunes to a specific quick tune.Only available on BladeRF2.
* This is usually not blocking (bladerf_schedule_retune is usually not blocking, unlike bladerf_set_frequency).
*/
void retune(const int direction, const size_t channel, long long timestamp, bladerf_quick_tune* conf);
//! Sets the RF frequency. Throws a runtime_error if bladerf_set_frequency is unsuccessful.
void setRfFrequency(const int direction, const size_t channel, const double frequency);
};