mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-30 03:38:55 -05:00
358 lines
10 KiB
C++
358 lines
10 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2016 Edouard Griffiths, F4EXB //
|
|
// Copyright (C) 2021 Jon Beniston, M7RCE //
|
|
// //
|
|
// 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 <stdio.h>
|
|
#include <errno.h>
|
|
#include <chrono>
|
|
#include <thread>
|
|
#include "sdrplayv3thread.h"
|
|
#include "dsp/samplesinkfifo.h"
|
|
#include "util/poweroftwo.h"
|
|
|
|
#include <QDebug>
|
|
|
|
SDRPlayV3Thread::SDRPlayV3Thread(sdrplay_api_DeviceT* dev, SampleSinkFifo* sampleFifo, QObject* parent) :
|
|
QThread(parent),
|
|
m_running(false),
|
|
m_dev(dev),
|
|
m_convertBuffer(SDRPLAYV3_INIT_NBSAMPLES),
|
|
m_sampleFifo(sampleFifo),
|
|
m_samplerate(2000000),
|
|
m_log2Decim(0),
|
|
m_fcPos(0),
|
|
m_iqOrder(true),
|
|
m_iqCount(0)
|
|
{
|
|
}
|
|
|
|
SDRPlayV3Thread::~SDRPlayV3Thread()
|
|
{
|
|
stopWork();
|
|
}
|
|
|
|
void SDRPlayV3Thread::startWork()
|
|
{
|
|
sdrplay_api_ErrT err;
|
|
sdrplay_api_CallbackFnsT cbFns;
|
|
|
|
cbFns.StreamACbFn = &SDRPlayV3Thread::callbackHelper;
|
|
cbFns.StreamBCbFn = &SDRPlayV3Thread::callbackHelper;
|
|
cbFns.EventCbFn = &SDRPlayV3Thread::eventCallback;
|
|
|
|
if ((err = sdrplay_api_Init(m_dev->dev, &cbFns, this)) != sdrplay_api_Success)
|
|
{
|
|
qCritical() << "SDRPlayV3Thread::run: sdrplay_api_Init error: " << sdrplay_api_GetErrorString(err);
|
|
m_running = false;
|
|
return;
|
|
}
|
|
|
|
m_startWaitMutex.lock();
|
|
start();
|
|
|
|
while(!m_running) {
|
|
m_startWaiter.wait(&m_startWaitMutex, 100);
|
|
}
|
|
|
|
m_startWaitMutex.unlock();
|
|
}
|
|
|
|
void SDRPlayV3Thread::stopWork()
|
|
{
|
|
sdrplay_api_ErrT err;
|
|
|
|
if (m_running)
|
|
{
|
|
m_running = false;
|
|
|
|
if ((err = sdrplay_api_Uninit(m_dev->dev)) != sdrplay_api_Success) {
|
|
qWarning() << "SDRPlayV3Thread::callbackHelper: sdrplay_api_Uninit error: " << sdrplay_api_GetErrorString(err);
|
|
}
|
|
}
|
|
|
|
wait();
|
|
}
|
|
|
|
void SDRPlayV3Thread::setSamplerate(int samplerate)
|
|
{
|
|
m_samplerate = samplerate;
|
|
}
|
|
|
|
void SDRPlayV3Thread::setLog2Decimation(unsigned int log2_decim)
|
|
{
|
|
m_log2Decim = log2_decim;
|
|
}
|
|
|
|
void SDRPlayV3Thread::setFcPos(int fcPos)
|
|
{
|
|
m_fcPos = fcPos;
|
|
}
|
|
|
|
void SDRPlayV3Thread::resetRfChanged()
|
|
{
|
|
m_rfChanged = 0;
|
|
}
|
|
|
|
bool SDRPlayV3Thread::waitForRfChanged()
|
|
{
|
|
for (unsigned int i = 0; i < m_rfChangedTimeout && m_rfChanged == 0; i++)
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(1));
|
|
return m_rfChanged != 0;
|
|
}
|
|
|
|
// Don't really need a thread here - just using same structure as other plugins
|
|
void SDRPlayV3Thread::run()
|
|
{
|
|
m_running = true;
|
|
m_startWaiter.wakeAll();
|
|
}
|
|
|
|
void SDRPlayV3Thread::eventCallback(sdrplay_api_EventT eventId, sdrplay_api_TunerSelectT tuner, sdrplay_api_EventParamsT *params, void *cbContext)
|
|
{
|
|
// Could possibly report params->gainParams.currGain for eventId == sdrplay_api_GainChange
|
|
// or indicate ADC overload for eventId == sdrplay_api_PowerOverloadChange
|
|
(void) eventId;
|
|
(void) tuner;
|
|
(void) params;
|
|
(void) cbContext;
|
|
}
|
|
|
|
void SDRPlayV3Thread::callbackHelper(short *xi, short *xq, sdrplay_api_StreamCbParamsT *params, unsigned int numSamples, unsigned int reset, void *ctx)
|
|
{
|
|
(void) params;
|
|
(void) reset;
|
|
SDRPlayV3Thread* thread = (SDRPlayV3Thread*) ctx;
|
|
|
|
if (params->rfChanged)
|
|
thread->m_rfChanged = params->rfChanged;
|
|
|
|
if (thread->m_running)
|
|
{
|
|
// Interleave samples
|
|
for (int i = 0; i < (int)numSamples; i++)
|
|
{
|
|
thread->m_iq[thread->m_iqCount+i*2] = xi[i];
|
|
thread->m_iq[thread->m_iqCount+i*2+1] = xq[i];
|
|
}
|
|
thread->m_iqCount += numSamples * 2;
|
|
|
|
if (thread->m_iqCount > 8192) {
|
|
qCritical() << "SDRPlayV3Thread::callbackHelper: IQ buffer too small: " << numSamples;
|
|
}
|
|
|
|
// Decimators require length to be a power of 2
|
|
int iqLen = lowerPowerOfTwo(thread->m_iqCount);
|
|
|
|
if (thread->m_iqOrder) {
|
|
thread->callbackIQ(thread->m_iq, iqLen);
|
|
} else {
|
|
thread->callbackQI(thread->m_iq, iqLen);
|
|
}
|
|
|
|
// Shuffle buffer up
|
|
int iqRemaining = thread->m_iqCount - iqLen;
|
|
memmove(thread->m_iq, &thread->m_iq[iqLen], iqRemaining * sizeof(qint16));
|
|
thread->m_iqCount = iqRemaining;
|
|
}
|
|
}
|
|
|
|
void SDRPlayV3Thread::callbackIQ(const qint16* buf, qint32 len)
|
|
{
|
|
SampleVector::iterator it = m_convertBuffer.begin();
|
|
|
|
if (m_log2Decim == 0)
|
|
{
|
|
m_decimatorsIQ.decimate1(&it, buf, len);
|
|
}
|
|
else
|
|
{
|
|
if (m_fcPos == 0) // Infradyne
|
|
{
|
|
switch (m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsIQ.decimate2_inf(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsIQ.decimate4_inf(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsIQ.decimate8_inf(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsIQ.decimate16_inf(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsIQ.decimate32_inf(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsIQ.decimate64_inf(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (m_fcPos == 1) // Supradyne
|
|
{
|
|
switch (m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsIQ.decimate2_sup(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsIQ.decimate4_sup(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsIQ.decimate8_sup(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsIQ.decimate16_sup(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsIQ.decimate32_sup(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsIQ.decimate64_sup(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else // Centered
|
|
{
|
|
switch (m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsIQ.decimate2_cen(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsIQ.decimate4_cen(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsIQ.decimate8_cen(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsIQ.decimate16_cen(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsIQ.decimate32_cen(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsIQ.decimate64_cen(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
m_sampleFifo->write(m_convertBuffer.begin(), it);
|
|
}
|
|
|
|
void SDRPlayV3Thread::callbackQI(const qint16* buf, qint32 len)
|
|
{
|
|
SampleVector::iterator it = m_convertBuffer.begin();
|
|
|
|
if (m_log2Decim == 0)
|
|
{
|
|
m_decimatorsQI.decimate1(&it, buf, len);
|
|
}
|
|
else
|
|
{
|
|
if (m_fcPos == 0) // Infradyne
|
|
{
|
|
switch (m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsQI.decimate2_inf(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsQI.decimate4_inf(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsQI.decimate8_inf(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsQI.decimate16_inf(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsQI.decimate32_inf(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsQI.decimate64_inf(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (m_fcPos == 1) // Supradyne
|
|
{
|
|
switch (m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsQI.decimate2_sup(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsQI.decimate4_sup(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsQI.decimate8_sup(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsQI.decimate16_sup(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsQI.decimate32_sup(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsQI.decimate64_sup(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else // Centered
|
|
{
|
|
switch (m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsQI.decimate2_cen(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsQI.decimate4_cen(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsQI.decimate8_cen(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsQI.decimate16_cen(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsQI.decimate32_cen(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsQI.decimate64_cen(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
m_sampleFifo->write(m_convertBuffer.begin(), it);
|
|
}
|