kopia lustrzana https://github.com/AlexandreRouma/SDRPlusPlus
590 wiersze
19 KiB
C++
590 wiersze
19 KiB
C++
#include <spdlog/spdlog.h>
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#include <module.h>
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#include <gui/gui.h>
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#include <signal_path/signal_path.h>
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#include <core.h>
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#include <gui/style.h>
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#include <config.h>
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#include <options.h>
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#include <gui/smgui.h>
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#include <rtl-sdr.h>
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#ifdef __ANDROID__
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#include <android_backend.h>
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#endif
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#define CONCAT(a, b) ((std::string(a) + b).c_str())
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SDRPP_MOD_INFO{
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/* Name: */ "rtl_sdr_source",
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/* Description: */ "RTL-SDR source module for SDR++",
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/* Author: */ "Ryzerth",
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/* Version: */ 0, 1, 0,
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/* Max instances */ 1
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};
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ConfigManager config;
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const double sampleRates[] = {
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250000,
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1024000,
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1536000,
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1792000,
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1920000,
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2048000,
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2160000,
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2400000,
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2560000,
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2880000,
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3200000
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};
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const char* sampleRatesTxt[] = {
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"250KHz",
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"1.024MHz",
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"1.536MHz",
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"1.792MHz",
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"1.92MHz",
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"2.048MHz",
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"2.16MHz",
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"2.4MHz",
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"2.56MHz",
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"2.88MHz",
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"3.2MHz"
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};
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const char* directSamplingModesTxt = "Disabled\0I branch\0Q branch\0";
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class RTLSDRSourceModule : public ModuleManager::Instance {
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public:
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RTLSDRSourceModule(std::string name) {
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this->name = name;
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sampleRate = sampleRates[0];
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handler.ctx = this;
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handler.selectHandler = menuSelected;
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handler.deselectHandler = menuDeselected;
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handler.menuHandler = menuHandler;
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handler.startHandler = start;
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handler.stopHandler = stop;
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handler.tuneHandler = tune;
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handler.stream = &stream;
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strcpy(dbTxt, "--");
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for (int i = 0; i < 11; i++) {
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sampleRateListTxt += sampleRatesTxt[i];
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sampleRateListTxt += '\0';
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}
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refresh();
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config.acquire();
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if (!config.conf["device"].is_string()) {
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selectedDevName = "";
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config.conf["device"] = "";
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}
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else {
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selectedDevName = config.conf["device"];
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}
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config.release(true);
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selectByName(selectedDevName);
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sigpath::sourceManager.registerSource("RTL-SDR", &handler);
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}
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~RTLSDRSourceModule() {
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stop(this);
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sigpath::sourceManager.unregisterSource("RTL-SDR");
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}
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void postInit() {}
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void enable() {
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enabled = true;
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}
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void disable() {
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enabled = false;
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}
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bool isEnabled() {
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return enabled;
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}
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void refresh() {
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devNames.clear();
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devListTxt = "";
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#ifndef __ANDROID__
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devCount = rtlsdr_get_device_count();
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char buf[1024];
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for (int i = 0; i < devCount; i++) {
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const char* devName = rtlsdr_get_device_name(i);
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sprintf(buf, "%s [%d]", devName, i);
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devNames.push_back(buf);
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devListTxt += buf;
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devListTxt += '\0';
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}
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#else
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// Check for device connection
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devCount = 0;
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int vid, pid;
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devFd = backend::getDeviceFD(vid, pid, backend::RTL_SDR_VIDPIDS);
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if (devFd < 0) { return; }
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// Generate fake device info
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devCount = 1;
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std::string fakeName = "RTL-SDR Dongle USB";
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devNames.push_back(fakeName);
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devListTxt += fakeName;
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devListTxt += '\0';
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#endif
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}
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void selectFirst() {
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if (devCount > 0) {
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selectById(0);
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}
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}
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void selectByName(std::string name) {
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for (int i = 0; i < devCount; i++) {
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if (name == devNames[i]) {
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selectById(i);
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return;
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}
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}
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selectFirst();
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}
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void selectById(int id) {
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selectedDevName = devNames[id];
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#ifndef __ANDROID__
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int oret = rtlsdr_open(&openDev, id);
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#else
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int oret = rtlsdr_open(&openDev, devFd);
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#endif
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if (oret < 0) {
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selectedDevName = "";
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spdlog::error("Could not open RTL-SDR: {0}", oret);
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return;
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}
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gainList.clear();
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int gains[256];
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int n = rtlsdr_get_tuner_gains(openDev, gains);
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gainList = std::vector<int>(gains, gains + n);
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std::sort(gainList.begin(), gainList.end());
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bool created = false;
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config.acquire();
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if (!config.conf["devices"].contains(selectedDevName)) {
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created = true;
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config.conf["devices"][selectedDevName]["sampleRate"] = 2400000.0;
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config.conf["devices"][selectedDevName]["directSampling"] = directSamplingMode;
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config.conf["devices"][selectedDevName]["ppm"] = 0;
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config.conf["devices"][selectedDevName]["biasT"] = biasT;
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config.conf["devices"][selectedDevName]["offsetTuning"] = offsetTuning;
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config.conf["devices"][selectedDevName]["rtlAgc"] = rtlAgc;
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config.conf["devices"][selectedDevName]["tunerAgc"] = tunerAgc;
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config.conf["devices"][selectedDevName]["gain"] = gainId;
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}
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if (gainId >= gainList.size()) { gainId = gainList.size() - 1; }
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updateGainTxt();
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// Load config
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if (config.conf["devices"][selectedDevName].contains("sampleRate")) {
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int selectedSr = config.conf["devices"][selectedDevName]["sampleRate"];
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for (int i = 0; i < 11; i++) {
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if (sampleRates[i] == selectedSr) {
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srId = i;
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sampleRate = selectedSr;
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break;
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}
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}
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}
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if (config.conf["devices"][selectedDevName].contains("directSampling")) {
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directSamplingMode = config.conf["devices"][selectedDevName]["directSampling"];
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}
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if (config.conf["devices"][selectedDevName].contains("ppm")) {
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ppm = config.conf["devices"][selectedDevName]["ppm"];
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}
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if (config.conf["devices"][selectedDevName].contains("biasT")) {
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biasT = config.conf["devices"][selectedDevName]["biasT"];
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}
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if (config.conf["devices"][selectedDevName].contains("offsetTuning")) {
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offsetTuning = config.conf["devices"][selectedDevName]["offsetTuning"];
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}
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if (config.conf["devices"][selectedDevName].contains("rtlAgc")) {
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rtlAgc = config.conf["devices"][selectedDevName]["rtlAgc"];
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}
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if (config.conf["devices"][selectedDevName].contains("tunerAgc")) {
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tunerAgc = config.conf["devices"][selectedDevName]["tunerAgc"];
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}
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if (config.conf["devices"][selectedDevName].contains("gain")) {
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gainId = config.conf["devices"][selectedDevName]["gain"];
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updateGainTxt();
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}
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config.release(created);
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rtlsdr_close(openDev);
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}
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private:
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std::string getBandwdithScaled(double bw) {
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char buf[1024];
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if (bw >= 1000000.0) {
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sprintf(buf, "%.1lfMHz", bw / 1000000.0);
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}
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else if (bw >= 1000.0) {
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sprintf(buf, "%.1lfKHz", bw / 1000.0);
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}
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else {
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sprintf(buf, "%.1lfHz", bw);
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}
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return std::string(buf);
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}
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static void menuSelected(void* ctx) {
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RTLSDRSourceModule* _this = (RTLSDRSourceModule*)ctx;
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core::setInputSampleRate(_this->sampleRate);
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spdlog::info("RTLSDRSourceModule '{0}': Menu Select!", _this->name);
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}
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static void menuDeselected(void* ctx) {
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RTLSDRSourceModule* _this = (RTLSDRSourceModule*)ctx;
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spdlog::info("RTLSDRSourceModule '{0}': Menu Deselect!", _this->name);
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}
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static void start(void* ctx) {
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RTLSDRSourceModule* _this = (RTLSDRSourceModule*)ctx;
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if (_this->running) { return; }
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if (_this->selectedDevName == "") {
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spdlog::error("No device selected");
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return;
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}
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#ifndef __ANDROID__
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int oret = rtlsdr_open(&_this->openDev, _this->devId);
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#else
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int oret = rtlsdr_open(&_this->openDev, _this->devFd);
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#endif
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if (oret < 0) {
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spdlog::error("Could not open RTL-SDR");
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return;
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}
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spdlog::info("RTL-SDR Sample Rate: {0}", _this->sampleRate);
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rtlsdr_set_sample_rate(_this->openDev, _this->sampleRate);
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rtlsdr_set_center_freq(_this->openDev, _this->freq);
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rtlsdr_set_freq_correction(_this->openDev, _this->ppm);
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rtlsdr_set_tuner_bandwidth(_this->openDev, 0);
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rtlsdr_set_direct_sampling(_this->openDev, _this->directSamplingMode);
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rtlsdr_set_bias_tee(_this->openDev, _this->biasT);
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rtlsdr_set_agc_mode(_this->openDev, _this->rtlAgc);
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rtlsdr_set_tuner_gain(_this->openDev, _this->gainList[_this->gainId]);
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if (_this->tunerAgc) {
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rtlsdr_set_tuner_gain_mode(_this->openDev, 0);
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}
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else {
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rtlsdr_set_tuner_gain_mode(_this->openDev, 1);
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rtlsdr_set_tuner_gain(_this->openDev, _this->gainList[_this->gainId]);
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}
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rtlsdr_set_offset_tuning(_this->openDev, _this->offsetTuning);
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_this->asyncCount = (int)roundf(_this->sampleRate / (200 * 512)) * 512;
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_this->workerThread = std::thread(&RTLSDRSourceModule::worker, _this);
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_this->running = true;
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spdlog::info("RTLSDRSourceModule '{0}': Start!", _this->name);
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}
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static void stop(void* ctx) {
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RTLSDRSourceModule* _this = (RTLSDRSourceModule*)ctx;
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if (!_this->running) { return; }
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_this->running = false;
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_this->stream.stopWriter();
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rtlsdr_cancel_async(_this->openDev);
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if (_this->workerThread.joinable()) { _this->workerThread.join(); }
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_this->stream.clearWriteStop();
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rtlsdr_close(_this->openDev);
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spdlog::info("RTLSDRSourceModule '{0}': Stop!", _this->name);
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}
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static void tune(double freq, void* ctx) {
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RTLSDRSourceModule* _this = (RTLSDRSourceModule*)ctx;
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if (_this->running) {
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uint32_t newFreq = freq;
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int i;
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for (i = 0; i < 10; i++) {
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rtlsdr_set_center_freq(_this->openDev, freq);
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if (rtlsdr_get_center_freq(_this->openDev) == newFreq) { break; }
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}
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if (i > 1) {
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spdlog::warn("RTL-SDR took {0} attempts to tune...", i);
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}
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}
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_this->freq = freq;
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spdlog::info("RTLSDRSourceModule '{0}': Tune: {1}!", _this->name, freq);
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}
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static void menuHandler(void* ctx) {
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RTLSDRSourceModule* _this = (RTLSDRSourceModule*)ctx;
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if (_this->running) { SmGui::BeginDisabled(); }
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SmGui::FillWidth();
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SmGui::ForceSync();
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if (SmGui::Combo(CONCAT("##_rtlsdr_dev_sel_", _this->name), &_this->devId, _this->devListTxt.c_str())) {
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_this->selectById(_this->devId);
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core::setInputSampleRate(_this->sampleRate);
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if (_this->selectedDevName != "") {
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config.acquire();
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config.conf["device"] = _this->selectedDevName;
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config.release(true);
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}
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}
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if (SmGui::Combo(CONCAT("##_rtlsdr_sr_sel_", _this->name), &_this->srId, _this->sampleRateListTxt.c_str())) {
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_this->sampleRate = sampleRates[_this->srId];
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core::setInputSampleRate(_this->sampleRate);
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if (_this->selectedDevName != "") {
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config.acquire();
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config.conf["devices"][_this->selectedDevName]["sampleRate"] = _this->sampleRate;
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config.release(true);
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}
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}
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SmGui::SameLine();
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SmGui::FillWidth();
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SmGui::ForceSync();
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if (SmGui::Button(CONCAT("Refresh##_rtlsdr_refr_", _this->name)/*, ImVec2(refreshBtnWdith, 0)*/)) {
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_this->refresh();
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_this->selectByName(_this->selectedDevName);
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core::setInputSampleRate(_this->sampleRate);
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}
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if (_this->running) { SmGui::EndDisabled(); }
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// Rest of rtlsdr config here
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SmGui::LeftLabel("Direct Sampling");
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SmGui::FillWidth();
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if (SmGui::Combo(CONCAT("##_rtlsdr_ds_", _this->name), &_this->directSamplingMode, directSamplingModesTxt)) {
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if (_this->running) {
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rtlsdr_set_direct_sampling(_this->openDev, _this->directSamplingMode);
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// Update gains (fix for librtlsdr bug)
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if (_this->directSamplingMode == false) {
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rtlsdr_set_agc_mode(_this->openDev, _this->rtlAgc);
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if (_this->tunerAgc) {
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rtlsdr_set_tuner_gain_mode(_this->openDev, 0);
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}
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else {
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rtlsdr_set_tuner_gain_mode(_this->openDev, 1);
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rtlsdr_set_tuner_gain(_this->openDev, _this->gainList[_this->gainId]);
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}
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}
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}
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if (_this->selectedDevName != "") {
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config.acquire();
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config.conf["devices"][_this->selectedDevName]["directSampling"] = _this->directSamplingMode;
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config.release(true);
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}
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}
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SmGui::LeftLabel("PPM Correction");
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SmGui::FillWidth();
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if (SmGui::InputInt(CONCAT("##_rtlsdr_ppm_", _this->name), &_this->ppm, 1, 10)) {
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_this->ppm = std::clamp<int>(_this->ppm, -1000000, 1000000);
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if (_this->running) {
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rtlsdr_set_freq_correction(_this->openDev, _this->ppm);
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}
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if (_this->selectedDevName != "") {
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config.acquire();
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config.conf["devices"][_this->selectedDevName]["ppm"] = _this->ppm;
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config.release(true);
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}
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}
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if (_this->tunerAgc || _this->gainList.size() == 0) { SmGui::BeginDisabled(); }
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SmGui::FillWidth();
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SmGui::ForceSync();
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// TODO: FIND ANOTHER WAY
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if (options::opts.serverMode) {
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if (SmGui::SliderInt(CONCAT("##_rtlsdr_gain_", _this->name), &_this->gainId, 0, _this->gainList.size() - 1, SmGui::FMT_STR_NONE)) {
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_this->updateGainTxt();
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if (_this->running) {
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rtlsdr_set_tuner_gain(_this->openDev, _this->gainList[_this->gainId]);
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}
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if (_this->selectedDevName != "") {
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config.acquire();
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config.conf["devices"][_this->selectedDevName]["gain"] = _this->gainId;
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config.release(true);
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}
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}
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}
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else {
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if (ImGui::SliderInt(CONCAT("##_rtlsdr_gain_", _this->name), &_this->gainId, 0, _this->gainList.size() - 1, _this->dbTxt)) {
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_this->updateGainTxt();
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if (_this->running) {
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rtlsdr_set_tuner_gain(_this->openDev, _this->gainList[_this->gainId]);
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}
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if (_this->selectedDevName != "") {
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config.acquire();
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config.conf["devices"][_this->selectedDevName]["gain"] = _this->gainId;
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config.release(true);
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}
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}
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}
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if (_this->tunerAgc || _this->gainList.size() == 0) { SmGui::EndDisabled(); }
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if (SmGui::Checkbox(CONCAT("Bias T##_rtlsdr_rtl_biast_", _this->name), &_this->biasT)) {
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if (_this->running) {
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rtlsdr_set_bias_tee(_this->openDev, _this->biasT);
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}
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if (_this->selectedDevName != "") {
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config.acquire();
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config.conf["devices"][_this->selectedDevName]["biasT"] = _this->biasT;
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config.release(true);
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}
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}
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if (SmGui::Checkbox(CONCAT("Offset Tuning##_rtlsdr_rtl_ofs_", _this->name), &_this->offsetTuning)) {
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if (_this->running) {
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rtlsdr_set_offset_tuning(_this->openDev, _this->offsetTuning);
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}
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if (_this->selectedDevName != "") {
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config.acquire();
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config.conf["devices"][_this->selectedDevName]["offsetTuning"] = _this->offsetTuning;
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config.release(true);
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}
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}
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if (SmGui::Checkbox(CONCAT("RTL AGC##_rtlsdr_rtl_agc_", _this->name), &_this->rtlAgc)) {
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if (_this->running) {
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rtlsdr_set_agc_mode(_this->openDev, _this->rtlAgc);
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}
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if (_this->selectedDevName != "") {
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config.acquire();
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config.conf["devices"][_this->selectedDevName]["rtlAgc"] = _this->rtlAgc;
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config.release(true);
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}
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}
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SmGui::ForceSync();
|
|
if (SmGui::Checkbox(CONCAT("Tuner AGC##_rtlsdr_tuner_agc_", _this->name), &_this->tunerAgc)) {
|
|
if (_this->running) {
|
|
if (_this->tunerAgc) {
|
|
rtlsdr_set_tuner_gain_mode(_this->openDev, 0);
|
|
}
|
|
else {
|
|
rtlsdr_set_tuner_gain_mode(_this->openDev, 1);
|
|
rtlsdr_set_tuner_gain(_this->openDev, _this->gainList[_this->gainId]);
|
|
}
|
|
}
|
|
if (_this->selectedDevName != "") {
|
|
config.acquire();
|
|
config.conf["devices"][_this->selectedDevName]["tunerAgc"] = _this->tunerAgc;
|
|
config.release(true);
|
|
}
|
|
}
|
|
}
|
|
|
|
void worker() {
|
|
rtlsdr_reset_buffer(openDev);
|
|
rtlsdr_read_async(openDev, asyncHandler, this, 0, asyncCount);
|
|
}
|
|
|
|
static void asyncHandler(unsigned char* buf, uint32_t len, void* ctx) {
|
|
RTLSDRSourceModule* _this = (RTLSDRSourceModule*)ctx;
|
|
int sampCount = len / 2;
|
|
for (int i = 0; i < sampCount; i++) {
|
|
_this->stream.writeBuf[i].re = (float)(buf[i * 2] - 127) / 128.0f;
|
|
_this->stream.writeBuf[i].im = (float)(buf[(i * 2) + 1] - 127) / 128.0f;
|
|
}
|
|
if (!_this->stream.swap(sampCount)) { return; }
|
|
}
|
|
|
|
void updateGainTxt() {
|
|
sprintf(dbTxt, "%.1f dB", (float)gainList[gainId] / 10.0f);
|
|
}
|
|
|
|
std::string name;
|
|
rtlsdr_dev_t* openDev;
|
|
bool enabled = true;
|
|
dsp::stream<dsp::complex_t> stream;
|
|
double sampleRate;
|
|
SourceManager::SourceHandler handler;
|
|
bool running = false;
|
|
double freq;
|
|
std::string selectedDevName = "";
|
|
int devId = 0;
|
|
int srId = 0;
|
|
int devCount = 0;
|
|
std::thread workerThread;
|
|
|
|
#ifdef __ANDROID__
|
|
int devFd = -1;
|
|
#endif
|
|
|
|
int ppm = 0;
|
|
|
|
bool biasT = false;
|
|
|
|
int gainId = 0;
|
|
std::vector<int> gainList;
|
|
|
|
bool rtlAgc = false;
|
|
bool tunerAgc = false;
|
|
bool offsetTuning = false;
|
|
|
|
int directSamplingMode = 0;
|
|
|
|
// Handler stuff
|
|
int asyncCount = 0;
|
|
|
|
char dbTxt[128];
|
|
|
|
std::vector<std::string> devNames;
|
|
std::string devListTxt;
|
|
std::string sampleRateListTxt;
|
|
};
|
|
|
|
MOD_EXPORT void _INIT_() {
|
|
json def = json({});
|
|
def["devices"] = json({});
|
|
def["device"] = 0;
|
|
config.setPath(options::opts.root + "/rtl_sdr_config.json");
|
|
config.load(def);
|
|
config.enableAutoSave();
|
|
}
|
|
|
|
MOD_EXPORT ModuleManager::Instance* _CREATE_INSTANCE_(std::string name) {
|
|
return new RTLSDRSourceModule(name);
|
|
}
|
|
|
|
MOD_EXPORT void _DELETE_INSTANCE_(ModuleManager::Instance* instance) {
|
|
delete (RTLSDRSourceModule*)instance;
|
|
}
|
|
|
|
MOD_EXPORT void _END_() {
|
|
config.disableAutoSave();
|
|
config.save();
|
|
} |