/////////////////////////////////////////////////////////////////////////////////// // Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany // // written by Christian Daniel // // Copyright (C) 2014 John Greb // // Copyright (C) 2015-2020 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 . // /////////////////////////////////////////////////////////////////////////////////// #include #include #include #include #include #include "dsp/samplesinkfifo.h" #include "audio/audiofifo.h" #include "fcdprothread.h" FCDProThread::FCDProThread(SampleSinkFifo* sampleFifo, AudioFifo *fcdFIFO, QObject* parent) : QThread(parent), m_fcdFIFO(fcdFIFO), m_running(false), m_log2Decim(0), m_fcPos(2), m_iqOrder(true), m_convertBuffer(fcd_traits::convBufSize), // nb samples m_sampleFifo(sampleFifo) { start(); } FCDProThread::~FCDProThread() { } void FCDProThread::startWork() { m_startWaitMutex.lock(); start(); while(!m_running) { m_startWaiter.wait(&m_startWaitMutex, 100); } m_startWaitMutex.unlock(); } void FCDProThread::stopWork() { m_running = false; wait(); } void FCDProThread::setLog2Decimation(unsigned int log2_decim) { m_log2Decim = log2_decim; } void FCDProThread::setFcPos(int fcPos) { m_fcPos = fcPos; } void FCDProThread::run() { m_running = true; qDebug("FCDProThread::run: start running loop"); while (m_running) { if (m_iqOrder) { workIQ(fcd_traits::convBufSize); } else { workQI(fcd_traits::convBufSize); } std::this_thread::sleep_for(std::chrono::microseconds(200)); } qDebug("FCDProThread::run: running loop stopped"); m_running = false; } void FCDProThread::workIQ(unsigned int n_items) { uint32_t nbRead = m_fcdFIFO->read((unsigned char *) m_buf, n_items); // number of samples SampleVector::iterator it = m_convertBuffer.begin(); if (m_log2Decim == 0) { m_decimatorsIQ.decimate1(&it, m_buf, 2*nbRead); } else { if (m_fcPos == 0) // Infradyne { switch (m_log2Decim) { case 1: m_decimatorsIQ.decimate2_inf(&it, m_buf, 2*nbRead); break; case 2: m_decimatorsIQ.decimate4_inf(&it, m_buf, 2*nbRead); break; case 3: m_decimatorsIQ.decimate8_inf(&it, m_buf, 2*nbRead); break; case 4: m_decimatorsIQ.decimate16_inf(&it, m_buf, 2*nbRead); break; case 5: m_decimatorsIQ.decimate32_inf(&it, m_buf, 2*nbRead); break; case 6: m_decimatorsIQ.decimate64_inf(&it, m_buf, 2*nbRead); break; default: break; } } else if (m_fcPos == 1) // Supradyne { switch (m_log2Decim) { case 1: m_decimatorsIQ.decimate2_sup(&it, m_buf, 2*nbRead); break; case 2: m_decimatorsIQ.decimate4_sup(&it, m_buf, 2*nbRead); break; case 3: m_decimatorsIQ.decimate8_sup(&it, m_buf, 2*nbRead); break; case 4: m_decimatorsIQ.decimate16_sup(&it, m_buf, 2*nbRead); break; case 5: m_decimatorsIQ.decimate32_sup(&it, m_buf, 2*nbRead); break; case 6: m_decimatorsIQ.decimate64_sup(&it, m_buf, 2*nbRead); break; default: break; } } else // Centered { switch (m_log2Decim) { case 1: m_decimatorsIQ.decimate2_cen(&it, m_buf, 2*nbRead); break; case 2: m_decimatorsIQ.decimate4_cen(&it, m_buf, 2*nbRead); break; case 3: m_decimatorsIQ.decimate8_cen(&it, m_buf, 2*nbRead); break; case 4: m_decimatorsIQ.decimate16_cen(&it, m_buf, 2*nbRead); break; case 5: m_decimatorsIQ.decimate32_cen(&it, m_buf, 2*nbRead); break; case 6: m_decimatorsIQ.decimate64_cen(&it, m_buf, 2*nbRead); break; default: break; } } } m_sampleFifo->write(m_convertBuffer.begin(), it); } void FCDProThread::workQI(unsigned int n_items) { uint32_t nbRead = m_fcdFIFO->read((unsigned char *) m_buf, n_items); // number of samples SampleVector::iterator it = m_convertBuffer.begin(); if (m_log2Decim == 0) { m_decimatorsQI.decimate1(&it, m_buf, 2*nbRead); } else { if (m_fcPos == 0) // Infradyne { switch (m_log2Decim) { case 1: m_decimatorsQI.decimate2_inf(&it, m_buf, 2*nbRead); break; case 2: m_decimatorsQI.decimate4_inf(&it, m_buf, 2*nbRead); break; case 3: m_decimatorsQI.decimate8_inf(&it, m_buf, 2*nbRead); break; case 4: m_decimatorsQI.decimate16_inf(&it, m_buf, 2*nbRead); break; case 5: m_decimatorsQI.decimate32_inf(&it, m_buf, 2*nbRead); break; case 6: m_decimatorsQI.decimate64_inf(&it, m_buf, 2*nbRead); break; default: break; } } else if (m_fcPos == 1) // Supradyne { switch (m_log2Decim) { case 1: m_decimatorsQI.decimate2_sup(&it, m_buf, 2*nbRead); break; case 2: m_decimatorsQI.decimate4_sup(&it, m_buf, 2*nbRead); break; case 3: m_decimatorsQI.decimate8_sup(&it, m_buf, 2*nbRead); break; case 4: m_decimatorsQI.decimate16_sup(&it, m_buf, 2*nbRead); break; case 5: m_decimatorsQI.decimate32_sup(&it, m_buf, 2*nbRead); break; case 6: m_decimatorsQI.decimate64_sup(&it, m_buf, 2*nbRead); break; default: break; } } else // Centered { switch (m_log2Decim) { case 1: m_decimatorsQI.decimate2_cen(&it, m_buf, 2*nbRead); break; case 2: m_decimatorsQI.decimate4_cen(&it, m_buf, 2*nbRead); break; case 3: m_decimatorsQI.decimate8_cen(&it, m_buf, 2*nbRead); break; case 4: m_decimatorsQI.decimate16_cen(&it, m_buf, 2*nbRead); break; case 5: m_decimatorsQI.decimate32_cen(&it, m_buf, 2*nbRead); break; case 6: m_decimatorsQI.decimate64_cen(&it, m_buf, 2*nbRead); break; default: break; } } } m_sampleFifo->write(m_convertBuffer.begin(), it); }