mirror of
https://github.com/f4exb/sdrangel.git
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344 lines
10 KiB
C++
344 lines
10 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <algorithm>
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#include "bladerf2/devicebladerf2shared.h"
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#include "dsp/samplemififo.h"
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#include "bladerf2mithread.h"
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BladeRF2MIThread::BladeRF2MIThread(struct bladerf* dev, QObject* parent) :
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QThread(parent),
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m_running(false),
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m_dev(dev),
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m_sampleFifo(nullptr),
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m_iqOrder(true)
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{
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qDebug("BladeRF2MIThread::BladeRF2MIThread");
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m_buf = new qint16[2*DeviceBladeRF2::blockSize*2];
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for (unsigned int i = 0; i < 2; i++) {
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m_convertBuffer[i].resize(DeviceBladeRF2::blockSize, Sample{0,0});
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}
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}
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BladeRF2MIThread::~BladeRF2MIThread()
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{
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qDebug("BladeRF2MIThread::~BladeRF2MIThread");
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if (m_running) {
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stopWork();
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}
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delete[] m_buf;
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}
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void BladeRF2MIThread::startWork()
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{
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m_startWaitMutex.lock();
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start();
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while(!m_running) {
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m_startWaiter.wait(&m_startWaitMutex, 100);
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}
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m_startWaitMutex.unlock();
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}
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void BladeRF2MIThread::stopWork()
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{
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m_running = false;
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wait();
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}
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void BladeRF2MIThread::setLog2Decimation(unsigned int log2_decim)
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{
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m_log2Decim = log2_decim;
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}
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unsigned int BladeRF2MIThread::getLog2Decimation() const
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{
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return m_log2Decim;
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}
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void BladeRF2MIThread::setFcPos(int fcPos)
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{
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m_fcPos = fcPos;
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}
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int BladeRF2MIThread::getFcPos() const
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{
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return m_fcPos;
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}
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void BladeRF2MIThread::run()
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{
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int res;
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m_running = true;
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m_startWaiter.wakeAll();
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int status = bladerf_sync_config(m_dev, BLADERF_RX_X2, BLADERF_FORMAT_SC16_Q11, 64, DeviceBladeRF2::blockSize, 32, 1500);
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if (status < 0)
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{
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qCritical("BladeRF2MIThread::run: cannot configure streams: %s", bladerf_strerror(status));
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}
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else
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{
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qDebug("BladeRF2MIThread::run: start running loop");
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while (m_running)
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{
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res = bladerf_sync_rx(m_dev, m_buf, DeviceBladeRF2::blockSize*2, nullptr, 1500);
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if (res < 0)
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{
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qCritical("BladeRF2MIThread::run sync Rx error: %s", bladerf_strerror(res));
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break;
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}
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callback(m_buf, DeviceBladeRF2::blockSize);
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}
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qDebug("BladeRF2MIThread::run: stop running loop");
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m_running = false;
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}
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}
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void BladeRF2MIThread::callback(const qint16* buf, qint32 samplesPerChannel)
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{
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int status = bladerf_deinterleave_stream_buffer(BLADERF_RX_X2, BLADERF_FORMAT_SC16_Q11 , samplesPerChannel*2, (void *) buf);
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if (status < 0)
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{
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qCritical("BladeRF2MIThread::callback: cannot de-interleave buffer: %s", bladerf_strerror(status));
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return;
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}
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std::vector<SampleVector::const_iterator> vbegin;
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int lengths[2];
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for (unsigned int channel = 0; channel < 2; channel++)
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{
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if (m_iqOrder) {
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lengths[channel] = channelCallbackIQ(&buf[2*samplesPerChannel*channel], 2*samplesPerChannel, channel);
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} else {
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lengths[channel] = channelCallbackQI(&buf[2*samplesPerChannel*channel], 2*samplesPerChannel, channel);
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}
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vbegin.push_back(m_convertBuffer[channel].begin());
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}
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if (lengths[0] == lengths[1])
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{
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m_sampleFifo->writeSync(vbegin, lengths[0]);
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}
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else
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{
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qWarning("BladeRF2MIThread::callback: unequal channel lengths: [0]=%d [1]=%d", lengths[0], lengths[1]);
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m_sampleFifo->writeSync(vbegin, (std::min)(lengths[0], lengths[1]));
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}
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}
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int BladeRF2MIThread::channelCallbackIQ(const qint16* buf, qint32 len, int channel)
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{
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SampleVector::iterator it = m_convertBuffer[channel].begin();
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if (m_log2Decim == 0)
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{
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m_decimatorsIQ[channel].decimate1(&it, buf, len);
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}
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else
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{
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if (m_fcPos == 0) // Infra
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{
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switch (m_log2Decim)
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{
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case 1:
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m_decimatorsIQ[channel].decimate2_inf(&it, buf, len);
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break;
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case 2:
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m_decimatorsIQ[channel].decimate4_inf(&it, buf, len);
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break;
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case 3:
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m_decimatorsIQ[channel].decimate8_inf(&it, buf, len);
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break;
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case 4:
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m_decimatorsIQ[channel].decimate16_inf(&it, buf, len);
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break;
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case 5:
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m_decimatorsIQ[channel].decimate32_inf(&it, buf, len);
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break;
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case 6:
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m_decimatorsIQ[channel].decimate64_inf(&it, buf, len);
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break;
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default:
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break;
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}
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}
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else if (m_fcPos == 1) // Supra
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{
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switch (m_log2Decim)
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{
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case 1:
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m_decimatorsIQ[channel].decimate2_sup(&it, buf, len);
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break;
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case 2:
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m_decimatorsIQ[channel].decimate4_sup(&it, buf, len);
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break;
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case 3:
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m_decimatorsIQ[channel].decimate8_sup(&it, buf, len);
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break;
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case 4:
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m_decimatorsIQ[channel].decimate16_sup(&it, buf, len);
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break;
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case 5:
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m_decimatorsIQ[channel].decimate32_sup(&it, buf, len);
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break;
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case 6:
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m_decimatorsIQ[channel].decimate64_sup(&it, buf, len);
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break;
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default:
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break;
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}
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}
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else if (m_fcPos == 2) // Center
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{
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switch (m_log2Decim)
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{
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case 1:
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m_decimatorsIQ[channel].decimate2_cen(&it, buf, len);
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break;
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case 2:
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m_decimatorsIQ[channel].decimate4_cen(&it, buf, len);
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break;
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case 3:
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m_decimatorsIQ[channel].decimate8_cen(&it, buf, len);
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break;
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case 4:
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m_decimatorsIQ[channel].decimate16_cen(&it, buf, len);
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break;
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case 5:
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m_decimatorsIQ[channel].decimate32_cen(&it, buf, len);
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break;
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case 6:
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m_decimatorsIQ[channel].decimate64_cen(&it, buf, len);
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break;
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default:
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break;
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}
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}
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}
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return it - m_convertBuffer[channel].begin();
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}
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int BladeRF2MIThread::channelCallbackQI(const qint16* buf, qint32 len, int channel)
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{
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SampleVector::iterator it = m_convertBuffer[channel].begin();
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if (m_log2Decim == 0)
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{
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m_decimatorsQI[channel].decimate1(&it, buf, len);
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}
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else
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{
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if (m_fcPos == 0) // Infra
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{
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switch (m_log2Decim)
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{
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case 1:
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m_decimatorsQI[channel].decimate2_inf(&it, buf, len);
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break;
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case 2:
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m_decimatorsQI[channel].decimate4_inf(&it, buf, len);
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break;
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case 3:
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m_decimatorsQI[channel].decimate8_inf(&it, buf, len);
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break;
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case 4:
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m_decimatorsQI[channel].decimate16_inf(&it, buf, len);
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break;
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case 5:
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m_decimatorsQI[channel].decimate32_inf(&it, buf, len);
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break;
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case 6:
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m_decimatorsQI[channel].decimate64_inf(&it, buf, len);
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break;
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default:
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break;
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}
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}
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else if (m_fcPos == 1) // Supra
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{
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switch (m_log2Decim)
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{
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case 1:
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m_decimatorsQI[channel].decimate2_sup(&it, buf, len);
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break;
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case 2:
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m_decimatorsQI[channel].decimate4_sup(&it, buf, len);
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break;
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case 3:
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m_decimatorsQI[channel].decimate8_sup(&it, buf, len);
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break;
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case 4:
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m_decimatorsQI[channel].decimate16_sup(&it, buf, len);
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break;
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case 5:
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m_decimatorsQI[channel].decimate32_sup(&it, buf, len);
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break;
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case 6:
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m_decimatorsQI[channel].decimate64_sup(&it, buf, len);
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break;
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default:
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break;
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}
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}
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else if (m_fcPos == 2) // Center
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{
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switch (m_log2Decim)
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{
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case 1:
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m_decimatorsQI[channel].decimate2_cen(&it, buf, len);
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break;
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case 2:
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m_decimatorsQI[channel].decimate4_cen(&it, buf, len);
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break;
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case 3:
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m_decimatorsQI[channel].decimate8_cen(&it, buf, len);
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break;
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case 4:
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m_decimatorsQI[channel].decimate16_cen(&it, buf, len);
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break;
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case 5:
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m_decimatorsQI[channel].decimate32_cen(&it, buf, len);
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break;
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case 6:
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m_decimatorsQI[channel].decimate64_cen(&it, buf, len);
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break;
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default:
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break;
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}
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}
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}
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return it - m_convertBuffer[channel].begin();
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}
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