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PlutoSDR: set FIR filter (3)

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This commit is contained in:
f4exb 2017-09-07 22:24:09 +02:00
parent 11b657a841
commit e4d1aa121c
3 changed files with 18 additions and 7 deletions
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8
devices/plutosdr/deviceplutosdrbox.cpp
View File

@ -162,7 +162,7 @@ bool DevicePlutoSDRBox::get_param(DeviceType devType, const std::string &param,
}
}
void DevicePlutoSDRBox::set_filter(const std::string &filterConfigStr)
void DevicePlutoSDRBox::setFilter(const std::string &filterConfigStr)
{
int ret;
@ -445,15 +445,15 @@ void DevicePlutoSDRBox::setFIR(DeviceUse use, uint32_t intdec, uint32_t bw, int
void DevicePlutoSDRBox::formatFIRHeader(std::ostringstream& ostr, DeviceUse use, uint32_t intdec, int32_t gain)
{
ostr << use == USE_RX ? "RX 1" : "TX 1" << " GAIN " << gain << " DEC " << intdec << std::endl;
ostr << (use == USE_RX ? "RX 1" : "TX 1") << " GAIN " << gain << " DEC " << intdec << std::endl;
}
void DevicePlutoSDRBox::formatFIRCoefficients(std::ostringstream& ostr, uint32_t nbTaps, double normalizedBW)
{
double fcoeffs = new double[nbTaps];
double *fcoeffs = new double[nbTaps];
WFIR::BasicFIR(fcoeffs, nbTaps, WFIR::LPF, 0.0, normalizedBW, WFIR::wtBLACKMAN_HARRIS, 0.0);
for (int i = 0; i < nbTaps; i++) {
for (unsigned int i = 0; i < nbTaps; i++) {
ostr << (uint16_t) (fcoeffs[i] * 32768.0) << std::endl;
}
}

2
devices/plutosdr/deviceplutosdrbox.h
View File

@ -94,7 +94,7 @@ private:
bool m_valid;
bool parseSampleRates(const std::string& rateStr, SampleRates& sampleRates);
void set_filter(const std::string& filterConfigStr);
void setFilter(const std::string& filterConfigStr);
void formatFIRHeader(std::ostringstream& str, DeviceUse use, uint32_t intdec, int32_t gain);
void formatFIRCoefficients(std::ostringstream& str, uint32_t nbTaps, double normalizedBW);
};

15
plugins/samplesource/plutosdrinput/plutosdrinput.cpp
View File

@ -17,6 +17,7 @@
#include <QDebug>
#include "dsp/filerecord.h"
#include "dsp/dspcommands.h"
#include "device/devicesourceapi.h"
#include "device/devicesinkapi.h"
#include "plutosdr/deviceplutosdrparams.h"
@ -324,7 +325,7 @@ bool PlutoSDRInput::applySettings(const PlutoSDRInputSettings& settings, bool fo
|| (m_settings.m_rateGovernor != settings.m_rateGovernor)
|| (m_settings.m_lpfFIRlog2Decim != settings.m_lpfFIRlog2Decim))) || force)
{
plutoBox->set_filterBW(DevicePlutoSDRBox::USE_RX, (1<<settings.m_lpfFIRlog2Decim), settings.m_lpfFIRBW, settings.m_lpfFIRGain);
plutoBox->setFIR(DevicePlutoSDRBox::USE_RX, (1<<settings.m_lpfFIRlog2Decim), settings.m_lpfFIRBW, settings.m_lpfFIRGain);
firFilterSet = true;
}
@ -332,7 +333,7 @@ bool PlutoSDRInput::applySettings(const PlutoSDRInputSettings& settings, bool fo
if (((settings.m_lpfFIRBW != m_settings.m_lpfFIRBW) ||
(settings.m_lpfFIRGain != m_settings.m_lpfFIRGain)) && !firFilterSet)
{
plutoBox->set_filterBW(DevicePlutoSDRBox::USE_RX, (1<<settings.m_lpfFIRlog2Decim), settings.m_lpfFIRBW, settings.m_lpfFIRGain);
plutoBox->setFIR(DevicePlutoSDRBox::USE_RX, (1<<settings.m_lpfFIRlog2Decim), settings.m_lpfFIRBW, settings.m_lpfFIRGain);
firFilterSet = true;
}
@ -377,6 +378,12 @@ bool PlutoSDRInput::applySettings(const PlutoSDRInputSettings& settings, bool fo
m_settings = settings;
// TODO: calibration
if (doCalibration)
{
qDebug("PlutoSDRInput::applySettings: doCalibration");
}
if (suspendAllOtherThreads)
{
const std::vector<DeviceSinkAPI*>& sinkBuddies = m_deviceAPI->getSinkBuddies();
@ -400,6 +407,10 @@ bool PlutoSDRInput::applySettings(const PlutoSDRInputSettings& settings, bool fo
}
// TODO: forward changes to other (Tx) DSP
if (forwardChangeOtherDSP)
{
qDebug("PlutoSDRInput::applySettings: forwardChangeOtherDSP");
}
if (forwardChangeOwnDSP)
{