SDRPlusPlus/airspy_source/src/main.cpp

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#include <imgui.h>
#include <spdlog/spdlog.h>
#include <module.h>
#include <gui/gui.h>
#include <signal_path/signal_path.h>
#include <core.h>
#include <gui/style.h>
#include <config.h>
#include <libairspy/airspy.h>
#define CONCAT(a, b) ((std::string(a) + b).c_str())
SDRPP_MOD_INFO {
/* Name: */ "airspy_source",
/* Description: */ "Airspy source module for SDR++",
/* Author: */ "Ryzerth",
/* Version: */ 0, 1, 0,
/* Max instances */ 1
};
class AirspySourceModule : public ModuleManager::Instance {
public:
AirspySourceModule(std::string name) {
this->name = name;
sampleRate = 10000000.0;
handler.ctx = this;
handler.selectHandler = menuSelected;
handler.deselectHandler = menuDeselected;
handler.menuHandler = menuHandler;
handler.startHandler = start;
handler.stopHandler = stop;
handler.tuneHandler = tune;
handler.stream = &stream;
refresh();
selectFirst();
sigpath::sourceManager.registerSource("Airspy", &handler);
}
~AirspySourceModule() {
}
void enable() {
enabled = true;
}
void disable() {
enabled = false;
}
bool isEnabled() {
return enabled;
}
void refresh() {
devList.clear();
devListTxt = "";
uint64_t serials[256];
int n = airspy_list_devices(serials, 256);
char buf[1024];
for (int i = 0; i < n; i++) {
sprintf(buf, "%016" PRIX64, serials[i]);
devList.push_back(serials[i]);
devListTxt += buf;
devListTxt += '\0';
}
}
void selectFirst() {
if (devList.size() != 0) {
selectBySerial(devList[0]);
}
}
void selectByString(std::string serial) {
char buf[1024];
for (int i = 0; i < devList.size(); i++) {
sprintf(buf, "%016" PRIX64, devList[i]);
std::string str = buf;
if (serial == str) {
selectBySerial(devList[i]);
return;
}
}
selectFirst();
}
void selectBySerial(uint64_t serial) {
selectedSerial = serial;
airspy_device* dev;
int err = airspy_open_sn(&dev, selectedSerial);
if (err != 0) {
char buf[1024];
sprintf(buf, "%016" PRIX64, selectedSerial);
spdlog::error("Could not open Airspy HF+ {0}", buf);
return;
}
uint32_t sampleRates[256];
airspy_get_samplerates(dev, sampleRates, 0);
int n = sampleRates[0];
airspy_get_samplerates(dev, sampleRates, n);
char buf[1024];
sampleRateList.clear();
sampleRateListTxt = "";
for (int i = 0; i < n; i++) {
sampleRateList.push_back(sampleRates[i]);
sprintf(buf, "%d", sampleRates[i]);
sampleRateListTxt += buf;
sampleRateListTxt += '\0';
}
srId = 0;
airspy_close(dev);
}
private:
static void menuSelected(void* ctx) {
AirspySourceModule* _this = (AirspySourceModule*)ctx;
core::setInputSampleRate(_this->sampleRate);
spdlog::info("AirspySourceModule '{0}': Menu Select!", _this->name);
}
static void menuDeselected(void* ctx) {
AirspySourceModule* _this = (AirspySourceModule*)ctx;
spdlog::info("AirspySourceModule '{0}': Menu Deselect!", _this->name);
}
static void start(void* ctx) {
AirspySourceModule* _this = (AirspySourceModule*)ctx;
if (_this->running) {
return;
}
if (_this->selectedSerial == 0) {
spdlog::error("Tried to start AirspyHF+ source with null serial");
return;
}
int err = airspy_open_sn(&_this->openDev, _this->selectedSerial);
if (err != 0) {
char buf[1024];
sprintf(buf, "%016" PRIX64, _this->selectedSerial);
spdlog::error("Could not open Airspy {0}", buf);
return;
}
airspy_set_samplerate(_this->openDev, _this->sampleRateList[_this->srId]);
airspy_set_freq(_this->openDev, _this->freq);
if (_this->gainMode == 0) {
airspy_set_lna_agc(_this->openDev, 0);
airspy_set_mixer_agc(_this->openDev, 0);
airspy_set_sensitivity_gain(_this->openDev, _this->sensitiveGain);
}
else if (_this->gainMode == 1) {
airspy_set_lna_agc(_this->openDev, 0);
airspy_set_mixer_agc(_this->openDev, 0);
airspy_set_linearity_gain(_this->openDev, _this->linearGain);
}
else if (_this->gainMode == 2) {
if (_this->lnaAgc) {
airspy_set_lna_agc(_this->openDev, 1);
}
else {
airspy_set_lna_agc(_this->openDev, 0);
airspy_set_lna_gain(_this->openDev, _this->lnaGain);
}
if (_this->mixerAgc) {
airspy_set_mixer_agc(_this->openDev, 1);
}
else {
airspy_set_mixer_agc(_this->openDev, 0);
airspy_set_mixer_gain(_this->openDev, _this->mixerGain);
}
airspy_set_vga_gain(_this->openDev, _this->vgaGain);
}
airspy_set_rf_bias(_this->openDev, _this->biasT);
airspy_start_rx(_this->openDev, callback, _this);
_this->running = true;
spdlog::info("AirspySourceModule '{0}': Start!", _this->name);
}
static void stop(void* ctx) {
AirspySourceModule* _this = (AirspySourceModule*)ctx;
if (!_this->running) {
return;
}
_this->running = false;
_this->stream.stopWriter();
airspy_close(_this->openDev);
_this->stream.clearWriteStop();
spdlog::info("AirspySourceModule '{0}': Stop!", _this->name);
}
static void tune(double freq, void* ctx) {
AirspySourceModule* _this = (AirspySourceModule*)ctx;
if (_this->running) {
airspy_set_freq(_this->openDev, freq);
}
_this->freq = freq;
spdlog::info("AirspySourceModule '{0}': Tune: {1}!", _this->name, freq);
}
static void menuHandler(void* ctx) {
AirspySourceModule* _this = (AirspySourceModule*)ctx;
float menuWidth = ImGui::GetContentRegionAvailWidth();
if (_this->running) { style::beginDisabled(); }
ImGui::SetNextItemWidth(menuWidth);
if (ImGui::Combo(CONCAT("##_airspy_dev_sel_", _this->name), &_this->devId, _this->devListTxt.c_str())) {
_this->selectBySerial(_this->devList[_this->devId]);
}
if (ImGui::Combo(CONCAT("##_airspy_sr_sel_", _this->name), &_this->srId, _this->sampleRateListTxt.c_str())) {
_this->sampleRate = _this->sampleRateList[_this->srId];
core::setInputSampleRate(_this->sampleRate);
}
ImGui::SameLine();
float refreshBtnWdith = menuWidth - ImGui::GetCursorPosX();
if (ImGui::Button(CONCAT("Refresh##_airspy_refr_", _this->name), ImVec2(refreshBtnWdith, 0))) {
_this->refresh();
_this->selectFirst();
}
if (_this->running) { style::endDisabled(); }
ImGui::BeginGroup();
ImGui::Columns(3, CONCAT("AirspyGainModeColumns##_", _this->name), false);
if (ImGui::RadioButton(CONCAT("Sensitive##_airspy_gm_", _this->name), _this->gainMode == 0)) {
_this->gainMode = 0;
if (_this->running) {
airspy_set_lna_agc(_this->openDev, 0);
airspy_set_mixer_agc(_this->openDev, 0);
airspy_set_sensitivity_gain(_this->openDev, _this->sensitiveGain);
}
}
ImGui::NextColumn();
if (ImGui::RadioButton(CONCAT("Linear##_airspy_gm_", _this->name), _this->gainMode == 1)) {
_this->gainMode = 1;
if (_this->running) {
airspy_set_lna_agc(_this->openDev, 0);
airspy_set_mixer_agc(_this->openDev, 0);
airspy_set_linearity_gain(_this->openDev, _this->linearGain);
}
}
ImGui::NextColumn();
if (ImGui::RadioButton(CONCAT("Free##_airspy_gm_", _this->name), _this->gainMode == 2)) {
_this->gainMode = 2;
if (_this->running) {
if (_this->lnaAgc) {
airspy_set_lna_agc(_this->openDev, 1);
}
else {
airspy_set_lna_agc(_this->openDev, 0);
airspy_set_lna_gain(_this->openDev, _this->lnaGain);
}
if (_this->mixerAgc) {
airspy_set_mixer_agc(_this->openDev, 1);
}
else {
airspy_set_mixer_agc(_this->openDev, 0);
airspy_set_mixer_gain(_this->openDev, _this->mixerGain);
}
airspy_set_vga_gain(_this->openDev, _this->vgaGain);
}
}
ImGui::Columns(1, CONCAT("EndAirspyGainModeColumns##_", _this->name), false);
ImGui::EndGroup();
// Gain menus
if (_this->gainMode == 0) {
ImGui::Text("Gain");
ImGui::SameLine();
ImGui::SetNextItemWidth(menuWidth - ImGui::GetCursorPosX());
if (ImGui::SliderInt(CONCAT("##_airspy_sens_gain_", _this->name), &_this->sensitiveGain, 0, 21)) {
if (_this->running) {
airspy_set_sensitivity_gain(_this->openDev, _this->sensitiveGain);
}
}
}
else if (_this->gainMode == 1) {
ImGui::Text("Gain");
ImGui::SameLine();
ImGui::SetNextItemWidth(menuWidth - ImGui::GetCursorPosX());
if (ImGui::SliderInt(CONCAT("##_airspy_lin_gain_", _this->name), &_this->linearGain, 0, 21)) {
if (_this->running) {
airspy_set_linearity_gain(_this->openDev, _this->linearGain);
}
}
}
else if (_this->gainMode == 2) {
if (_this->lnaAgc) { style::beginDisabled(); }
ImGui::Text("LNA Gain");
ImGui::SameLine();
ImGui::SetNextItemWidth(menuWidth - ImGui::GetCursorPosX());
if (ImGui::SliderInt(CONCAT("##_airspy_lna_gain_", _this->name), &_this->lnaGain, 0, 15)) {
if (_this->running) {
airspy_set_lna_gain(_this->openDev, _this->lnaGain);
}
}
if (_this->lnaAgc) { style::endDisabled(); }
if (_this->mixerAgc) { style::beginDisabled(); }
ImGui::Text("Mixer Gain");
ImGui::SameLine();
ImGui::SetNextItemWidth(menuWidth - ImGui::GetCursorPosX());
if (ImGui::SliderInt(CONCAT("##_airspy_mix_gain_", _this->name), &_this->mixerGain, 0, 15)) {
if (_this->running) {
airspy_set_mixer_gain(_this->openDev, _this->mixerGain);
}
}
if (_this->mixerAgc) { style::endDisabled(); }
ImGui::Text("VGA Gain");
ImGui::SameLine();
ImGui::SetNextItemWidth(menuWidth - ImGui::GetCursorPosX());
if (ImGui::SliderInt(CONCAT("##_airspy_vga_gain_", _this->name), &_this->vgaGain, 0, 15)) {
if (_this->running) {
airspy_set_vga_gain(_this->openDev, _this->vgaGain);
}
}
// AGC Control
if (ImGui::Checkbox(CONCAT("LNA AGC##_airspy_", _this->name), &_this->lnaAgc)) {
if (_this->running) {
if (_this->lnaAgc) {
airspy_set_lna_agc(_this->openDev, 1);
}
else {
airspy_set_lna_agc(_this->openDev, 0);
airspy_set_lna_gain(_this->openDev, _this->lnaGain);
}
}
}
if (ImGui::Checkbox(CONCAT("Mixer AGC##_airspy_", _this->name), &_this->mixerAgc)) {
if (_this->running) {
if (_this->mixerAgc) {
airspy_set_mixer_agc(_this->openDev, 1);
}
else {
airspy_set_mixer_agc(_this->openDev, 0);
airspy_set_mixer_gain(_this->openDev, _this->mixerGain);
}
}
}
}
// Bias T
if (ImGui::Checkbox(CONCAT("Bias T##_airspy_", _this->name), &_this->biasT)) {
if (_this->running) {
airspy_set_rf_bias(_this->openDev, _this->biasT);
}
}
}
static int callback(airspy_transfer_t* transfer) {
AirspySourceModule* _this = (AirspySourceModule*)transfer->ctx;
memcpy(_this->stream.writeBuf, transfer->samples, transfer->sample_count * sizeof(dsp::complex_t));
if (!_this->stream.swap(transfer->sample_count)) { return -1; }
return 0;
}
std::string name;
airspy_device* openDev;
bool enabled = true;
dsp::stream<dsp::complex_t> stream;
double sampleRate;
SourceManager::SourceHandler handler;
bool running = false;
double freq;
uint64_t selectedSerial = 0;
int devId = 0;
int srId = 0;
bool biasT = false;
int lnaGain = 0;
int vgaGain = 0;
int mixerGain = 0;
int linearGain = 0;
int sensitiveGain = 0;
int gainMode = 0;
bool lnaAgc = false;
bool mixerAgc = false;
std::vector<uint64_t> devList;
std::string devListTxt;
std::vector<uint32_t> sampleRateList;
std::string sampleRateListTxt;
};
MOD_EXPORT void _INIT_() {
}
MOD_EXPORT ModuleManager::Instance* _CREATE_INSTANCE_(std::string name) {
return new AirspySourceModule(name);
}
MOD_EXPORT void _DELETE_INSTANCE_(ModuleManager::Instance* instance) {
delete (AirspySourceModule*)instance;
}
MOD_EXPORT void _END_() {
}