mirror of https://github.com/f4exb/sdrangel.git
116 lines
3.9 KiB
C++
116 lines
3.9 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
|
// written by Christian Daniel //
|
|
// Copyright (C) 2016-2019 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
|
|
// //
|
|
// 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/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <QDebug>
|
|
|
|
#include "dsp/devicesamplestatic.h"
|
|
#include "dsp/devicesamplesource.h"
|
|
|
|
DeviceSampleSource::DeviceSampleSource() :
|
|
m_guiMessageQueue(0)
|
|
{
|
|
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
|
|
}
|
|
|
|
DeviceSampleSource::~DeviceSampleSource()
|
|
{
|
|
}
|
|
|
|
void DeviceSampleSource::handleInputMessages()
|
|
{
|
|
Message* message;
|
|
|
|
while ((message = m_inputMessageQueue.pop()) != 0)
|
|
{
|
|
if (handleMessage(*message))
|
|
{
|
|
delete message;
|
|
}
|
|
}
|
|
}
|
|
|
|
qint64 DeviceSampleSource::calculateDeviceCenterFrequency(
|
|
quint64 centerFrequency,
|
|
qint64 transverterDeltaFrequency,
|
|
int log2Decim,
|
|
fcPos_t fcPos,
|
|
quint32 devSampleRate,
|
|
FrequencyShiftScheme frequencyShiftScheme,
|
|
bool transverterMode)
|
|
{
|
|
return DeviceSampleStatic::calculateSourceDeviceCenterFrequency(
|
|
centerFrequency,
|
|
transverterDeltaFrequency,
|
|
log2Decim,
|
|
(DeviceSampleStatic::fcPos_t) fcPos,
|
|
devSampleRate,
|
|
(DeviceSampleStatic::FrequencyShiftScheme) frequencyShiftScheme,
|
|
transverterMode
|
|
);
|
|
}
|
|
|
|
qint64 DeviceSampleSource::calculateCenterFrequency(
|
|
quint64 deviceCenterFrequency,
|
|
qint64 transverterDeltaFrequency,
|
|
int log2Decim,
|
|
fcPos_t fcPos,
|
|
quint32 devSampleRate,
|
|
FrequencyShiftScheme frequencyShiftScheme,
|
|
bool transverterMode)
|
|
{
|
|
return DeviceSampleStatic::calculateSourceCenterFrequency(
|
|
deviceCenterFrequency,
|
|
transverterDeltaFrequency,
|
|
log2Decim,
|
|
(DeviceSampleStatic::fcPos_t) fcPos,
|
|
devSampleRate,
|
|
(DeviceSampleStatic::FrequencyShiftScheme) frequencyShiftScheme,
|
|
transverterMode
|
|
);
|
|
}
|
|
|
|
/**
|
|
* log2Decim = 0: no shift
|
|
*
|
|
* n = log2Decim <= 2: fc = +/- 1/2^(n-1)
|
|
* center
|
|
* | ^ |
|
|
* | inf | sup |
|
|
* ^ ^
|
|
*
|
|
* n = log2Decim > 2: fc = +/- 1/2^n
|
|
* center
|
|
* | ^ |
|
|
* | |inf| | |sup| |
|
|
* ^ ^
|
|
*/
|
|
qint32 DeviceSampleSource::calculateFrequencyShift(
|
|
int log2Decim,
|
|
fcPos_t fcPos,
|
|
quint32 devSampleRate,
|
|
FrequencyShiftScheme frequencyShiftScheme)
|
|
{
|
|
return DeviceSampleStatic::calculateSourceFrequencyShift(
|
|
log2Decim,
|
|
(DeviceSampleStatic::fcPos_t) fcPos,
|
|
devSampleRate,
|
|
(DeviceSampleStatic::FrequencyShiftScheme) frequencyShiftScheme
|
|
);
|
|
}
|