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sdrangel/devices/plutosdr/deviceplutosdrbox.h

153 lines
6.5 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// 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 //
// (at your option) any later version. //
// //
// 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_PLUTOSDR_DEVICEPLUTOSDRBOX_H_
#define DEVICES_PLUTOSDR_DEVICEPLUTOSDRBOX_H_
#include <sstream>
#include <stdint.h>
#include <sys/types.h>
#include <QList>
#include <QString>
#include "deviceplutosdrscan.h"
#include "export.h"
#if defined(_MSC_VER)
#include <BaseTsd.h>
typedef SSIZE_T ssize_t;
#endif
struct iio_channel;
class DEVICES_API DevicePlutoSDRBox
{
public:
typedef enum
{
DEVICE_PHY,
DEVICE_RX,
DEVICE_TX
} DeviceType;
typedef enum
{
USE_RX,
USE_TX
} DeviceUse;
struct Sample {
int16_t i;
int16_t q;
};
struct SampleRates {
uint32_t m_bbRateHz; //!< Baseband PLL rate (Hz) - used internally
uint32_t m_addaConnvRate; //!< A/D or D/A converter rat - this is the HB3 working sample rate
uint32_t m_hb3Rate; //!< Rate of the HB3/(DEC3 or INT3) filter (Rx: out, Tx: in) - this is the HB2 working sample rate
uint32_t m_hb2Rate; //!< Rate of the HB2 filter (Rx: out, Tx: in) - this is the HB1 working sample rate
uint32_t m_hb1Rate; //!< Rate of the HB1 filter (Rx: out, Tx: in) - this is the FIR working sample rate
uint32_t m_firRate; //!< Rate of FIR filter (Rx: out, Tx: in) - this is the host/device communication sample rate
};
uint64_t m_devSampleRate; //!< Host interface sample rate
int32_t m_LOppmTenths; //!< XO correction
bool m_lpfFIREnable; //!< enable digital lowpass FIR filter
float m_lpfFIRBW; //!< digital lowpass FIR filter bandwidth (Hz)
uint32_t m_lpfFIRlog2Decim; //!< digital lowpass FIR filter log2 of decimation factor (0..2)
int m_lpfFIRRxGain; //!< digital lowpass FIR filter gain Rx side (dB)
int m_lpfFIRTxGain; //!< digital lowpass FIR filter gain Tx side (dB)
DevicePlutoSDRBox(const std::string& uri);
~DevicePlutoSDRBox();
bool isValid() const { return m_valid; }
static bool probeURI(const std::string& uri);
void set_params(DeviceType devType, const std::vector<std::string> &params);
bool get_param(DeviceType devType, const std::string &param, std::string &value);
bool openRx(); //!< Open first Rx (Rx0)
bool openTx(); //!< Open first Tx (Tx0)
bool openSecondRx(); //!< Open second Rx (Rx1)
bool openSecondTx(); //!< Open second Tx (Tx1)
void closeRx(); //!< Close first Rx (Rx0)
void closeTx(); //!< Close first Tx (Tx0)
void closeSecondRx(); //!< Close second Rx (Rx1)
void closeSecondTx(); //!< Close second Tx (Tx1)
int getNbRx() const { return m_rxChannels.size() / 2; }
int getNbTx() const { return m_txChannels.size() / 2; }
int getRxSampleBytes() const { return m_rxSampleBytes; }
int getTxSampleBytes() const { return m_txSampleBytes; }
struct iio_buffer *createRxBuffer(unsigned int size, bool cyclic);
struct iio_buffer *createTxBuffer(unsigned int size, bool cyclic);
void deleteRxBuffer();
void deleteTxBuffer();
ssize_t getRxSampleSize();
ssize_t getTxSampleSize();
ssize_t rxBufferRefill();
ssize_t txBufferPush();
std::ptrdiff_t rxBufferStep();
char* rxBufferEnd();
char* rxBufferFirst();
std::ptrdiff_t txBufferStep();
char* txBufferEnd();
char* txBufferFirst();
void txChannelConvert(int16_t *dst, int16_t *src);
void txChannelConvert(int chanIndex, int16_t *dst, int16_t *src);
bool getRxSampleRates(SampleRates& sampleRates);
bool getTxSampleRates(SampleRates& sampleRates);
void setSampleRate(uint32_t sampleRate);
void setFIR(uint32_t sampleRate, uint32_t intdec, DeviceUse use, uint32_t bw, int gain);
void setFIREnable(bool enable);
void setLOPPMTenths(int ppmTenths);
bool getRxGain(int& gaindB, unsigned int chan);
bool getRxRSSI(std::string& rssiStr, unsigned int chan);
bool getTxRSSI(std::string& rssiStr, unsigned int chan);
void getRxLORange(uint64_t& minLimit, uint64_t& maxLimit);
void getTxLORange(uint64_t& minLimit, uint64_t& maxLimit);
void getbbLPRxRange(uint32_t& minLimit, uint32_t& maxLimit);
void getbbLPTxRange(uint32_t& minLimit, uint32_t& maxLimit);
bool fetchTemp();
float getTemp() const { return m_temp; }
bool getRateGovernors(std::string& rateGovernors);
private:
struct iio_context *m_ctx;
struct iio_device *m_devPhy;
struct iio_device *m_devRx;
struct iio_device *m_devTx;
struct iio_buffer *m_rxBuf;
struct iio_buffer *m_txBuf;
bool m_valid;
int64_t m_xoInitial;
float m_temp;
int m_rxSampleBytes; //!< size in bytes of a Rx I or Q sample. Rx must be opened.
int m_txSampleBytes; //!< size in bytes of a Tx I or Q sample. Tx must be opened.
QList<QString> m_rxChannelIds;
QList<iio_channel*> m_rxChannels;
QList<QString> m_txChannelIds;
QList<iio_channel*> m_txChannels;
bool parseSampleRates(const std::string& rateStr, SampleRates& sampleRates);
void setFilter(const std::string& filterConfigStr);
void formatFIRHeader(std::ostringstream& str, uint32_t intdec);
void formatFIRCoefficients(std::ostringstream& str, uint32_t nbTaps, double normalizedBW);
void getXO();
};
#endif /* DEVICES_PLUTOSDR_DEVICEPLUTOSDRBOX_H_ */