mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-30 03:38:55 -05:00
325 lines
7.6 KiB
C++
325 lines
7.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2015 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/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "hackrfinputthread.h"
|
|
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <algorithm>
|
|
|
|
#include "dsp/samplesinkfifo.h"
|
|
|
|
HackRFInputThread::HackRFInputThread(hackrf_device* dev, SampleSinkFifo* sampleFifo, QObject* parent) :
|
|
QThread(parent),
|
|
m_running(false),
|
|
m_dev(dev),
|
|
m_convertBuffer(HACKRF_BLOCKSIZE),
|
|
m_sampleFifo(sampleFifo),
|
|
m_samplerate(10),
|
|
m_log2Decim(0),
|
|
m_fcPos(0),
|
|
m_iqOrder(true)
|
|
{
|
|
std::fill(m_buf, m_buf + 2*HACKRF_BLOCKSIZE, 0);
|
|
}
|
|
|
|
HackRFInputThread::~HackRFInputThread()
|
|
{
|
|
stopWork();
|
|
}
|
|
|
|
void HackRFInputThread::startWork()
|
|
{
|
|
m_startWaitMutex.lock();
|
|
start();
|
|
while(!m_running)
|
|
m_startWaiter.wait(&m_startWaitMutex, 100);
|
|
m_startWaitMutex.unlock();
|
|
}
|
|
|
|
void HackRFInputThread::stopWork()
|
|
{
|
|
qDebug("HackRFThread::stopWork");
|
|
m_running = false;
|
|
wait();
|
|
}
|
|
|
|
void HackRFInputThread::setSamplerate(uint32_t samplerate)
|
|
{
|
|
m_samplerate = samplerate;
|
|
}
|
|
|
|
void HackRFInputThread::setLog2Decimation(unsigned int log2_decim)
|
|
{
|
|
m_log2Decim = log2_decim;
|
|
}
|
|
|
|
void HackRFInputThread::setFcPos(int fcPos)
|
|
{
|
|
m_fcPos = fcPos;
|
|
}
|
|
|
|
void HackRFInputThread::run()
|
|
{
|
|
hackrf_error rc;
|
|
|
|
m_running = true;
|
|
m_startWaiter.wakeAll();
|
|
|
|
if (hackrf_is_streaming(m_dev) == HACKRF_TRUE)
|
|
{
|
|
qDebug("HackRFInputThread::run: HackRF is streaming already");
|
|
}
|
|
else
|
|
{
|
|
qDebug("HackRFInputThread::run: HackRF is not streaming");
|
|
|
|
rc = (hackrf_error) hackrf_start_rx(m_dev, rx_callback, this);
|
|
|
|
if (rc == HACKRF_SUCCESS)
|
|
{
|
|
qDebug("HackRFInputThread::run: started HackRF Rx");
|
|
}
|
|
else
|
|
{
|
|
qDebug("HackRFInputThread::run: failed to start HackRF Rx: %s", hackrf_error_name(rc));
|
|
}
|
|
}
|
|
|
|
while ((m_running) && (hackrf_is_streaming(m_dev) == HACKRF_TRUE))
|
|
{
|
|
usleep(200000);
|
|
}
|
|
|
|
if (hackrf_is_streaming(m_dev) == HACKRF_TRUE)
|
|
{
|
|
rc = (hackrf_error) hackrf_stop_rx(m_dev);
|
|
|
|
if (rc == HACKRF_SUCCESS)
|
|
{
|
|
qDebug("HackRFInputThread::run: stopped HackRF Rx");
|
|
}
|
|
else
|
|
{
|
|
qDebug("HackRFInputThread::run: failed to stop HackRF Rx: %s", hackrf_error_name(rc));
|
|
}
|
|
}
|
|
|
|
m_running = false;
|
|
}
|
|
|
|
// Decimate according to specified log2 (ex: log2=4 => decim=16)
|
|
void HackRFInputThread::callbackIQ(const qint8* buf, qint32 len)
|
|
{
|
|
SampleVector::iterator it = m_convertBuffer.begin();
|
|
|
|
if (m_log2Decim == 0)
|
|
{
|
|
m_decimatorsIQ.decimate1(&it, buf, len);
|
|
}
|
|
else
|
|
{
|
|
if (m_fcPos == 0) // Infra
|
|
{
|
|
switch (m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsIQ.decimate2_inf(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsIQ.decimate4_inf_txsync(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsIQ.decimate8_inf_txsync(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsIQ.decimate16_inf_txsync(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsIQ.decimate32_inf_txsync(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsIQ.decimate64_inf_txsync(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (m_fcPos == 1) // Supra
|
|
{
|
|
switch (m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsIQ.decimate2_sup(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsIQ.decimate4_sup_txsync(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsIQ.decimate8_sup_txsync(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsIQ.decimate16_sup_txsync(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsIQ.decimate32_sup_txsync(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsIQ.decimate64_sup_txsync(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (m_fcPos == 2) // Center
|
|
{
|
|
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 HackRFInputThread::callbackQI(const qint8* buf, qint32 len)
|
|
{
|
|
SampleVector::iterator it = m_convertBuffer.begin();
|
|
|
|
if (m_log2Decim == 0)
|
|
{
|
|
m_decimatorsQI.decimate1(&it, buf, len);
|
|
}
|
|
else
|
|
{
|
|
if (m_fcPos == 0) // Infra
|
|
{
|
|
switch (m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsQI.decimate2_inf(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsQI.decimate4_inf_txsync(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsQI.decimate8_inf_txsync(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsQI.decimate16_inf_txsync(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsQI.decimate32_inf_txsync(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsQI.decimate64_inf_txsync(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (m_fcPos == 1) // Supra
|
|
{
|
|
switch (m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsQI.decimate2_sup(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsQI.decimate4_sup_txsync(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsQI.decimate8_sup_txsync(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsQI.decimate16_sup_txsync(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsQI.decimate32_sup_txsync(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsQI.decimate64_sup_txsync(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (m_fcPos == 2) // Center
|
|
{
|
|
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);
|
|
}
|
|
|
|
int HackRFInputThread::rx_callback(hackrf_transfer* transfer)
|
|
{
|
|
HackRFInputThread *thread = (HackRFInputThread *) transfer->rx_ctx;
|
|
qint32 bytes_to_write = transfer->valid_length;
|
|
|
|
if (thread->m_iqOrder) {
|
|
thread->callbackIQ((qint8 *) transfer->buffer, bytes_to_write);
|
|
} else {
|
|
thread->callbackQI((qint8 *) transfer->buffer, bytes_to_write);
|
|
}
|
|
|
|
return 0;
|
|
}
|