add VOR receiver module

decoder_modules/vor_receiver/src/main.cpp

@@ -0,0 +1,128 @@
+#include <imgui.h>
+#include <config.h>
+#include <core.h>
+#include <gui/style.h>
+#include <gui/gui.h>
+#include <signal_path/signal_path.h>
+#include <module.h>
+#include <filesystem>
+#include <dsp/buffer/reshaper.h>
+#include <dsp/sink/handler_sink.h>
+#include <gui/widgets/constellation_diagram.h>
+#include "vor_decoder.h"
+#include <fstream>
+
+#define CONCAT(a, b) ((std::string(a) + b).c_str())
+
+SDRPP_MOD_INFO{
+    /* Name:            */ "vor_receiver",
+    /* Description:     */ "VOR Receiver for SDR++",
+    /* Author:          */ "Ryzerth",
+    /* Version:         */ 0, 1, 0,
+    /* Max instances    */ -1
+};
+
+ConfigManager config;
+
+#define INPUT_SAMPLE_RATE VOR_IN_SR
+
+class VORReceiverModule : public ModuleManager::Instance {
+public:
+    VORReceiverModule(std::string name) {
+        this->name = name;
+
+        // Load config
+        config.acquire();
+        // TODO: Load config
+        config.release();
+
+        vfo = sigpath::vfoManager.createVFO(name, ImGui::WaterfallVFO::REF_CENTER, 0, INPUT_SAMPLE_RATE, INPUT_SAMPLE_RATE, INPUT_SAMPLE_RATE, INPUT_SAMPLE_RATE, true);
+        decoder = new vor::Decoder(vfo->output, 1);
+        decoder->onBearing.bind(&VORReceiverModule::onBearing, this);
+
+        decoder->start();
+
+        gui::menu.registerEntry(name, menuHandler, this, this);
+    }
+
+    ~VORReceiverModule() {
+        decoder->stop();
+        sigpath::vfoManager.deleteVFO(vfo);
+        gui::menu.removeEntry(name);
+        delete decoder;
+    }
+
+    void postInit() {}
+
+    void enable() {
+        double bw = gui::waterfall.getBandwidth();
+        vfo = sigpath::vfoManager.createVFO(name, ImGui::WaterfallVFO::REF_CENTER, 0, INPUT_SAMPLE_RATE, INPUT_SAMPLE_RATE, INPUT_SAMPLE_RATE, INPUT_SAMPLE_RATE, true);
+
+        decoder->setInput(vfo->output);
+
+        decoder->start();
+
+        enabled = true;
+    }
+
+    void disable() {
+        decoder->stop();
+
+        sigpath::vfoManager.deleteVFO(vfo);
+        enabled = false;
+    }
+
+    bool isEnabled() {
+        return enabled;
+    }
+
+private:
+    static void menuHandler(void* ctx) {
+        VORReceiverModule* _this = (VORReceiverModule*)ctx;
+
+        float menuWidth = ImGui::GetContentRegionAvail().x;
+
+        if (!_this->enabled) { style::beginDisabled(); }
+
+        ImGui::Text("Bearing: %f°", _this->bearing);
+        ImGui::Text("Quality: %0.1f%%", _this->quality);
+
+        if (!_this->enabled) { style::endDisabled(); }
+    }
+
+    void onBearing(float nbearing, float nquality) {
+        bearing = (180.0f * nbearing / FL_M_PI);
+        quality = nquality * 100.0f;
+    }
+
+    std::string name;
+    bool enabled = true;
+
+    // DSP Chain
+    VFOManager::VFO* vfo;
+    vor::Decoder* decoder;
+
+    float bearing = 0.0f, quality = 0.0f;
+};
+
+MOD_EXPORT void _INIT_() {
+    // Create default recording directory
+    std::string root = (std::string)core::args["root"];
+    json def = json({});
+    config.setPath(root + "/vor_receiver_config.json");
+    config.load(def);
+    config.enableAutoSave();
+}
+
+MOD_EXPORT ModuleManager::Instance* _CREATE_INSTANCE_(std::string name) {
+    return new VORReceiverModule(name);
+}
+
+MOD_EXPORT void _DELETE_INSTANCE_(void* instance) {
+    delete (VORReceiverModule*)instance;
+}
+
+MOD_EXPORT void _END_() {
+    config.disableAutoSave();
+    config.save();
+}