mirror of
https://github.com/f4exb/sdrangel.git
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432 lines
13 KiB
C++
432 lines
13 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2015 Edouard Griffiths, F4EXB //
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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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// //
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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 <string.h>
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#include <errno.h>
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#include <cstdio>
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#include <iostream>
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#include "util/simpleserializer.h"
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#include "bladerfgui.h"
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#include "bladerfinput.h"
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#include "bladerfthread.h"
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MESSAGE_CLASS_DEFINITION(BladerfInput::MsgConfigureBladerf, Message)
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MESSAGE_CLASS_DEFINITION(BladerfInput::MsgReportBladerf, Message)
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BladerfInput::Settings::Settings() :
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m_lnaGain(0),
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m_vga1(20),
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m_vga2(9),
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m_samplerate(3072000),
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m_bandwidth(1500000),
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m_log2Decim(0),
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m_fcPos(FC_POS_INFRA),
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m_xb200(false),
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m_xb200Path(BLADERF_XB200_MIX),
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m_xb200Filter(BLADERF_XB200_AUTO_1DB)
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{
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}
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void BladerfInput::Settings::resetToDefaults()
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{
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m_lnaGain = 0;
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m_vga1 = 20;
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m_vga2 = 9;
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m_samplerate = 3072000;
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m_bandwidth = 1500000;
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m_log2Decim = 0;
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m_fcPos = FC_POS_INFRA;
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m_xb200 = false;
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m_xb200Path = BLADERF_XB200_MIX;
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m_xb200Filter = BLADERF_XB200_AUTO_1DB;
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}
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QByteArray BladerfInput::Settings::serialize() const
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{
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SimpleSerializer s(1);
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s.writeS32(1, m_lnaGain);
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s.writeS32(2, m_vga1);
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s.writeS32(3, m_vga2);
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s.writeS32(4, m_samplerate);
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s.writeU32(5, m_log2Decim);
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s.writeBool(6, m_xb200);
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s.writeS32(7, (int) m_xb200Path);
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s.writeS32(8, (int) m_xb200Filter);
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s.writeS32(9, m_bandwidth);
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s.writeS32(10, (int) m_fcPos);
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return s.final();
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}
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bool BladerfInput::Settings::deserialize(const QByteArray& data)
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{
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SimpleDeserializer d(data);
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if(!d.isValid()) {
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resetToDefaults();
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return false;
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}
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if(d.getVersion() == 1) {
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int intval;
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d.readS32(1, &m_lnaGain, 0);
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d.readS32(2, &m_vga1, 20);
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d.readS32(3, &m_vga2, 9);
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d.readS32(4, &m_samplerate, 0);
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d.readU32(5, &m_log2Decim, 0);
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d.readBool(6, &m_xb200);
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d.readS32(7, &intval);
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m_xb200Path = (bladerf_xb200_path) intval;
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d.readS32(8, &intval);
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m_xb200Filter = (bladerf_xb200_filter) intval;
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d.readS32(9, &m_bandwidth, 0);
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d.readS32(10, &intval, 0);
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m_fcPos = (fcPos_t) intval;
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return true;
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} else {
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resetToDefaults();
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return false;
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}
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}
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BladerfInput::BladerfInput(MessageQueue* msgQueueToGUI) :
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SampleSource(msgQueueToGUI),
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m_settings(),
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m_dev(NULL),
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m_bladerfThread(NULL),
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m_deviceDescription()
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{
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}
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BladerfInput::~BladerfInput()
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{
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stopInput();
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}
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bool BladerfInput::startInput(int device)
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{
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QMutexLocker mutexLocker(&m_mutex);
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if(m_dev != NULL)
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stopInput();
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int res;
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int fpga_loaded;
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if(!m_sampleFifo.setSize(96000 * 4)) {
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qCritical("Could not allocate SampleFifo");
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return false;
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}
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if ((m_dev = open_bladerf_from_serial(0)) == NULL) // TODO: fix; Open first available device as there is no proper handling for multiple devices
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{
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qCritical("could not open BladeRF");
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return false;
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}
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fpga_loaded = bladerf_is_fpga_configured(m_dev);
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if (fpga_loaded < 0) {
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qCritical("Failed to check FPGA state: %s",
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bladerf_strerror(fpga_loaded));
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return false;
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} else if (fpga_loaded == 0) {
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qCritical("The device's FPGA is not loaded.");
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return false;
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}
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// TODO: adjust USB transfer data according to sample rate
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if ((res = bladerf_sync_config(m_dev, BLADERF_MODULE_RX, BLADERF_FORMAT_SC16_Q11, 64, 8192, 32, 10000)) < 0)
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{
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qCritical("bladerf_sync_config with return code %d", res);
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goto failed;
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}
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if ((res = bladerf_enable_module(m_dev, BLADERF_MODULE_RX, true)) < 0)
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{
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qCritical("bladerf_enable_module with return code %d", res);
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goto failed;
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}
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if((m_bladerfThread = new BladerfThread(m_dev, &m_sampleFifo)) == NULL) {
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qFatal("out of memory");
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goto failed;
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}
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m_bladerfThread->startWork();
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mutexLocker.unlock();
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applySettings(m_generalSettings, m_settings, true);
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qDebug("bladerfInput: start");
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//MsgReportBladerf::create(m_gains)->submit(m_guiMessageQueue); Pass anything here
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return true;
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failed:
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stopInput();
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return false;
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}
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void BladerfInput::stopInput()
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{
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QMutexLocker mutexLocker(&m_mutex);
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if(m_bladerfThread != NULL) {
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m_bladerfThread->stopWork();
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delete m_bladerfThread;
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m_bladerfThread = NULL;
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}
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if(m_dev != NULL) {
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bladerf_close(m_dev);
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m_dev = NULL;
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}
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m_deviceDescription.clear();
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}
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const QString& BladerfInput::getDeviceDescription() const
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{
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return m_deviceDescription;
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}
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int BladerfInput::getSampleRate() const
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{
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int rate = m_settings.m_samplerate;
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return (rate / (1<<m_settings.m_log2Decim));
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}
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quint64 BladerfInput::getCenterFrequency() const
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{
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return m_generalSettings.m_centerFrequency;
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}
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bool BladerfInput::handleMessage(Message* message)
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{
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if(MsgConfigureBladerf::match(message)) {
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MsgConfigureBladerf* conf = (MsgConfigureBladerf*)message;
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if(!applySettings(conf->getGeneralSettings(), conf->getSettings(), false))
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qDebug("BladeRF config error");
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message->completed();
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return true;
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} else {
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return false;
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}
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}
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bool BladerfInput::applySettings(const GeneralSettings& generalSettings, const Settings& settings, bool force)
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{
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QMutexLocker mutexLocker(&m_mutex);
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if((m_settings.m_lnaGain != settings.m_lnaGain) || force) {
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m_settings.m_lnaGain = settings.m_lnaGain;
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if(m_dev != NULL) {
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if(bladerf_set_lna_gain(m_dev, getLnaGain(m_settings.m_lnaGain)) != 0) {
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qDebug("bladerf_set_lna_gain() failed");
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} else {
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std::cerr << "BladerfInput: LNA gain set to " << getLnaGain(m_settings.m_lnaGain) << std::endl;
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}
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}
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}
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if((m_settings.m_vga1 != settings.m_vga1) || force) {
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m_settings.m_vga1 = settings.m_vga1;
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if(m_dev != NULL) {
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if(bladerf_set_rxvga1(m_dev, m_settings.m_vga1) != 0) {
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qDebug("bladerf_set_rxvga1() failed");
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} else {
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std::cerr << "BladerfInput: VGA1 gain set to " << m_settings.m_vga1 << std::endl;
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}
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}
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}
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if((m_settings.m_vga2 != settings.m_vga2) || force) {
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m_settings.m_vga2 = settings.m_vga2;
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if(m_dev != NULL) {
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if(bladerf_set_rxvga2(m_dev, m_settings.m_vga2) != 0) {
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qDebug("bladerf_set_rxvga2() failed");
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} else {
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std::cerr << "BladerfInput: VGA2 gain set to " << m_settings.m_vga2 << std::endl;
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}
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}
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}
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if((m_settings.m_xb200 != settings.m_xb200) || force) {
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m_settings.m_xb200 = settings.m_xb200;
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if(m_dev != NULL) {
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if (m_settings.m_xb200) {
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if (bladerf_expansion_attach(m_dev, BLADERF_XB_200) != 0) {
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qDebug("bladerf_expansion_attach(xb200) failed");
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} else {
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std::cerr << "BladerfInput: Attach XB200" << std::endl;
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}
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} else {
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if (bladerf_expansion_attach(m_dev, BLADERF_XB_NONE) != 0) {
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qDebug("bladerf_expansion_attach(none) failed");
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} else {
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std::cerr << "BladerfInput: Detach XB200" << std::endl;
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}
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}
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}
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}
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if((m_settings.m_xb200Path != settings.m_xb200Path) || force) {
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m_settings.m_xb200Path = settings.m_xb200Path;
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if(m_dev != NULL) {
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if(bladerf_xb200_set_path(m_dev, BLADERF_MODULE_RX, m_settings.m_xb200Path) != 0) {
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qDebug("bladerf_xb200_set_path(BLADERF_MODULE_RX) failed");
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} else {
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std::cerr << "BladerfInput: set xb200 path to " << m_settings.m_xb200Path << std::endl;
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}
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}
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}
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if((m_settings.m_xb200Filter != settings.m_xb200Filter) || force) {
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m_settings.m_xb200Filter = settings.m_xb200Filter;
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if(m_dev != NULL) {
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if(bladerf_xb200_set_filterbank(m_dev, BLADERF_MODULE_RX, m_settings.m_xb200Filter) != 0) {
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qDebug("bladerf_xb200_set_filterbank(BLADERF_MODULE_RX) failed");
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} else {
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std::cerr << "BladerfInput: set xb200 filter to " << m_settings.m_xb200Filter << std::endl;
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}
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}
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}
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if((m_settings.m_samplerate != settings.m_samplerate) || force) {
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if(m_dev != NULL) {
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unsigned int actualSamplerate;
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if( bladerf_set_sample_rate(m_dev, BLADERF_MODULE_RX, settings.m_samplerate, &actualSamplerate) < 0)
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qCritical("could not set sample rate: %d", settings.m_samplerate);
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else {
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std::cerr << "bladerf_set_sample_rate(BLADERF_MODULE_RX) actual sample rate is " << actualSamplerate << std::endl;
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m_settings.m_samplerate = settings.m_samplerate;
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m_bladerfThread->setSamplerate(settings.m_samplerate);
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}
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}
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}
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if((m_settings.m_bandwidth != settings.m_bandwidth) || force) {
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if(m_dev != NULL) {
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unsigned int actualBandwidth;
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if( bladerf_set_bandwidth(m_dev, BLADERF_MODULE_RX, settings.m_bandwidth, &actualBandwidth) < 0)
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qCritical("could not set sample rate: %d", settings.m_samplerate);
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else {
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std::cerr << "bladerf_set_bandwidth(BLADERF_MODULE_RX) actual bandwidth is " << actualBandwidth << std::endl;
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m_settings.m_bandwidth = settings.m_bandwidth;
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}
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}
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}
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if((m_settings.m_log2Decim != settings.m_log2Decim) || force) {
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if(m_dev != NULL) {
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m_settings.m_log2Decim = settings.m_log2Decim;
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m_bladerfThread->setLog2Decimation(settings.m_log2Decim);
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std::cerr << "BladerfInput: set decimation to " << (1<<settings.m_log2Decim) << std::endl;
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}
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}
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if((m_settings.m_fcPos != settings.m_fcPos) || force) {
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if(m_dev != NULL) {
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m_settings.m_fcPos = settings.m_fcPos;
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m_bladerfThread->setFcPos((int) settings.m_fcPos);
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std::cerr << "BladerfInput: set fc pos (enum) to " << (int) m_settings.m_fcPos << std::endl;
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}
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}
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m_generalSettings.m_centerFrequency = generalSettings.m_centerFrequency;
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if(m_dev != NULL) {
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qint64 centerFrequency = m_generalSettings.m_centerFrequency;
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qint64 f_img = centerFrequency;
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qint64 f_cut = centerFrequency + m_settings.m_bandwidth/2;
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if (m_settings.m_log2Decim == 0)
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{ // Little wooby-doop if no decimation
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centerFrequency = m_generalSettings.m_centerFrequency;
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f_img = centerFrequency;
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f_cut = centerFrequency + m_settings.m_bandwidth/2;
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}
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else
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{
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if (m_settings.m_fcPos == FC_POS_INFRA) {
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centerFrequency = m_generalSettings.m_centerFrequency + (m_settings.m_samplerate / 4);
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f_img = centerFrequency + m_settings.m_samplerate/2;
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f_cut = centerFrequency + m_settings.m_bandwidth/2;
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} else if (m_settings.m_fcPos == FC_POS_SUPRA) {
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centerFrequency = m_generalSettings.m_centerFrequency - (m_settings.m_samplerate / 4);
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f_img = centerFrequency - m_settings.m_samplerate/2;
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f_cut = centerFrequency - m_settings.m_bandwidth/2;
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}
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}
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if(bladerf_set_frequency( m_dev, BLADERF_MODULE_RX, centerFrequency ) != 0) {
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qDebug("bladerf_set_frequency(%lld) failed", m_generalSettings.m_centerFrequency);
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}
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std::cerr << "BladerfInput: center freq: " << m_generalSettings.m_centerFrequency << " Hz"
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<< " RF center freq: " << centerFrequency << " Hz"
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<< " sample rate / 2 : " << m_settings.m_samplerate/2 << "Hz"
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<< " BW: " << m_settings.m_bandwidth << "Hz"
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<< " img: " << f_img << "Hz"
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<< " cut: " << f_cut << "Hz"
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<< " img - cut: " << f_img - f_cut << std::endl;
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}
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return true;
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}
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bladerf_lna_gain BladerfInput::getLnaGain(int lnaGain)
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{
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if (lnaGain == 2) {
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return BLADERF_LNA_GAIN_MAX;
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} else if (lnaGain == 1) {
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return BLADERF_LNA_GAIN_MID;
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} else {
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return BLADERF_LNA_GAIN_BYPASS;
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}
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}
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struct bladerf *BladerfInput::open_bladerf_from_serial(const char *serial)
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{
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int status;
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struct bladerf *dev;
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struct bladerf_devinfo info;
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/* Initialize all fields to "don't care" wildcard values.
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*
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* Immediately passing this to bladerf_open_with_devinfo() would cause
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* libbladeRF to open any device on any available backend. */
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bladerf_init_devinfo(&info);
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/* Specify the desired device's serial number, while leaving all other
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* fields in the info structure wildcard values */
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if (serial != NULL) {
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strncpy(info.serial, serial, BLADERF_SERIAL_LENGTH - 1);
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info.serial[BLADERF_SERIAL_LENGTH - 1] = '\0';
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}
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status = bladerf_open_with_devinfo(&dev, &info);
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if (status == BLADERF_ERR_NODEV) {
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fprintf(stderr, "No devices available with serial=%s\n", serial);
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return NULL;
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} else if (status != 0) {
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fprintf(stderr, "Failed to open device with serial=%s (%s)\n",
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serial, bladerf_strerror(status));
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return NULL;
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} else {
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return dev;
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}
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}
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