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SDRPlusPlus/bladerf_source/src/main.cpp

371 wiersze
12 KiB
C++
Czysty Wina Historia

#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 <options.h>
#include <gui/widgets/stepped_slider.h>
#include <libbladeRF.h>
#include <dsp/processing.h>
#define CONCAT(a, b) ((std::string(a) + b).c_str())
#define NUM_BUFFERS 128
#define NUM_TRANSFERS 1
SDRPP_MOD_INFO {
/* Name: */ "bladerf_source",
/* Description: */ "BladeRF source module for SDR++",
/* Author: */ "Ryzerth",
/* Version: */ 0, 1, 0,
/* Max instances */ 1
};
ConfigManager config;
class BladeRFSourceModule : public ModuleManager::Instance {
public:
BladeRFSourceModule(std::string name) {
this->name = name;
sampleRate = 1000000.0;
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();
// Select device here
core::setInputSampleRate(sampleRate);
sigpath::sourceManager.registerSource("BladeRF", &handler);
}
~BladeRFSourceModule() {
}
void enable() {
enabled = true;
}
void disable() {
enabled = false;
}
bool isEnabled() {
return enabled;
}
void refresh() {
devListTxt = "";
if (devInfoList != NULL) {
bladerf_free_device_list(devInfoList);
}
devCount = bladerf_get_device_list(&devInfoList);
if (devCount < 0) {
spdlog::error("Could not list devices");
return;
}
for (int i = 0; i < devCount; i++) {
// Keep only the first 32 character of the serial number for display
devListTxt += std::string(devInfoList[i].serial).substr(0, 16);
devListTxt += '\0';
}
}
void selectFirst() {
if (devCount > 0) { selectByInfo(&devInfoList[0]); }
}
void selectByInfo(bladerf_devinfo* info) {
int ret = bladerf_open_with_devinfo(&openDev, info);
if (ret != 0) {
spdlog::error("Could not open device {0}", info->serial);
return;
}
// Gather info about the BladeRF's ranges
channelCount = bladerf_get_channel_count(openDev, BLADERF_RX);
bladerf_get_sample_rate_range(openDev, BLADERF_CHANNEL_RX(0), &srRange);
bladerf_get_bandwidth_range(openDev, BLADERF_CHANNEL_RX(0), &bwRange);
bladerf_get_gain_range(openDev, BLADERF_CHANNEL_RX(0), &gainRange);
// Generate sampleRate and Bandwidth lists
sampleRates.clear();
sampleRatesTxt = "";
sampleRates.push_back(srRange->min);
sampleRatesTxt += getBandwdithScaled(srRange->min);
sampleRatesTxt += '\0';
for (int i = 2000000; i < srRange->max; i += 2000000) {
sampleRates.push_back(i);
sampleRatesTxt += getBandwdithScaled(i);
sampleRatesTxt += '\0';
}
sampleRates.push_back(srRange->max);
sampleRatesTxt += getBandwdithScaled(srRange->max);
sampleRatesTxt += '\0';
// Generate bandwidth list
bandwidths.clear();
bandwidthsTxt = "";
bandwidths.push_back(bwRange->min);
bandwidthsTxt += getBandwdithScaled(bwRange->min);
bandwidthsTxt += '\0';
for (int i = 2000000; i < bwRange->max; i += 2000000) {
bandwidths.push_back(i);
bandwidthsTxt += getBandwdithScaled(i);
bandwidthsTxt += '\0';
}
bandwidths.push_back(bwRange->max);
bandwidthsTxt += getBandwdithScaled(bwRange->max);
bandwidthsTxt += '\0';
bandwidthsTxt += "Auto";
bandwidthsTxt += '\0';
srId = 0;
sampleRate = sampleRates[0];
// Set bandwidth to auto as default
bwId = bandwidths.size();
bladerf_close(openDev);
}
private:
std::string getBandwdithScaled(double bw) {
char buf[1024];
if (bw >= 1000000.0) {
sprintf(buf, "%.1lfMHz", bw / 1000000.0);
}
else if (bw >= 1000.0) {
sprintf(buf, "%.1lfKHz", bw / 1000.0);
}
else {
sprintf(buf, "%.1lfHz", bw);
}
return std::string(buf);
}
static void menuSelected(void* ctx) {
BladeRFSourceModule* _this = (BladeRFSourceModule*)ctx;
core::setInputSampleRate(_this->sampleRate);
spdlog::info("BladeRFSourceModule '{0}': Menu Select!", _this->name);
}
static void menuDeselected(void* ctx) {
BladeRFSourceModule* _this = (BladeRFSourceModule*)ctx;
spdlog::info("BladeRFSourceModule '{0}': Menu Deselect!", _this->name);
}
static void start(void* ctx) {
BladeRFSourceModule* _this = (BladeRFSourceModule*)ctx;
if (_this->running) {
return;
}
if (_this->devCount == 0) { return; }
// Open device
bladerf_devinfo info = _this->devInfoList[_this->devId];
int ret = bladerf_open_with_devinfo(&_this->openDev, &info);
if (ret != 0) {
spdlog::error("Could not open device {0}", info.serial);
return;
}
// Calculate buffer size, must be a multiple of 1024
_this->bufferSize = _this->sampleRate / 200.0;
_this->bufferSize /= 1024;
_this->bufferSize *= 1024;
if (_this->bufferSize < 1024) { _this->bufferSize = 1024; }
// Setup device parameters
bladerf_set_sample_rate(_this->openDev, BLADERF_CHANNEL_RX(0), _this->sampleRate, NULL);
bladerf_set_frequency(_this->openDev, BLADERF_CHANNEL_RX(0), _this->freq);
bladerf_set_bandwidth(_this->openDev, BLADERF_CHANNEL_RX(0), (_this->bwId == _this->bandwidths.size()) ? _this->sampleRate : _this->bandwidths[_this->bwId], NULL);
bladerf_set_gain_mode(_this->openDev, BLADERF_CHANNEL_RX(0), BLADERF_GAIN_MANUAL);
bladerf_set_gain(_this->openDev, BLADERF_CHANNEL_RX(0), _this->testGain);
// Setup syncronous transfer
bladerf_sync_config(_this->openDev, BLADERF_RX_X1, BLADERF_FORMAT_SC16_Q11, 16, _this->bufferSize, 8, 3500);
// Enable streaming
bladerf_enable_module(_this->openDev, BLADERF_CHANNEL_RX(0), true);
_this->running = true;
_this->workerThread = std::thread(&BladeRFSourceModule::worker, _this);
spdlog::info("BladeRFSourceModule '{0}': Start!", _this->name);
}
static void stop(void* ctx) {
BladeRFSourceModule* _this = (BladeRFSourceModule*)ctx;
if (!_this->running) {
return;
}
_this->running = false;
_this->stream.stopWriter();
// Disable streaming
bladerf_enable_module(_this->openDev, BLADERF_CHANNEL_RX(0), false);
// Wait for read worker to terminate
if (_this->workerThread.joinable()) {
_this->workerThread.join();
}
// Close device
bladerf_close(_this->openDev);
_this->stream.clearWriteStop();
spdlog::info("BladeRFSourceModule '{0}': Stop!", _this->name);
}
static void tune(double freq, void* ctx) {
BladeRFSourceModule* _this = (BladeRFSourceModule*)ctx;
_this->freq = freq;
if (_this->running) {
bladerf_set_frequency(_this->openDev, BLADERF_CHANNEL_RX(0), _this->freq);
}
spdlog::info("BladeRFSourceModule '{0}': Tune: {1}!", _this->name, freq);
}
static void menuHandler(void* ctx) {
BladeRFSourceModule* _this = (BladeRFSourceModule*)ctx;
float menuWidth = ImGui::GetContentRegionAvailWidth();
if (_this->running) { style::beginDisabled(); }
ImGui::SetNextItemWidth(menuWidth);
if (ImGui::Combo(CONCAT("##_balderf_dev_sel_", _this->name), &_this->devId, _this->devListTxt.c_str())) {
// Select device
core::setInputSampleRate(_this->sampleRate);
// Save config
}
if (ImGui::Combo(CONCAT("##_balderf_sr_sel_", _this->name), &_this->srId, _this->sampleRatesTxt.c_str())) {
_this->sampleRate = _this->sampleRates[_this->srId];
core::setInputSampleRate(_this->sampleRate);
// Save config
}
ImGui::SameLine();
float refreshBtnWdith = menuWidth - ImGui::GetCursorPosX();
if (ImGui::Button(CONCAT("Refresh##_balderf_refr_", _this->name), ImVec2(refreshBtnWdith, 0))) {
_this->refresh();
config.aquire();
std::string devSerial = config.conf["device"];
config.release();
// Reselect device
core::setInputSampleRate(_this->sampleRate);
}
if (_this->running) { style::endDisabled(); }
ImGui::Text("Bandwidth");
ImGui::SameLine();
ImGui::SetNextItemWidth(menuWidth - ImGui::GetCursorPosX());
if (ImGui::Combo(CONCAT("##_balderf_bw_sel_", _this->name), &_this->bwId, _this->bandwidthsTxt.c_str())) {
if (_this->running) {
bladerf_set_bandwidth(_this->openDev, BLADERF_CHANNEL_RX(0), (_this->bwId == _this->bandwidths.size()) ? _this->sampleRate : _this->bandwidths[_this->bwId], NULL);
}
// Save config
}
// General config BS
if (ImGui::SliderInt("Test Gain", &_this->testGain, (_this->gainRange != NULL) ? _this->gainRange->min : 0, (_this->gainRange != NULL) ? _this->gainRange->max : 60)) {
if (_this->running) {
spdlog::info("Setting gain to {0}", _this->testGain);
bladerf_set_gain(_this->openDev, BLADERF_CHANNEL_RX(0), _this->testGain);
}
}
}
void worker() {
int16_t* buffer = new int16_t[bufferSize * 2];
bladerf_metadata meta;
while (true) {
// Receive from the stream and break on error
int ret = bladerf_sync_rx(openDev, buffer, bufferSize, &meta, 3500);
if (ret != 0) { break; }
// Convert to complex float and swap buffers
volk_16i_s32f_convert_32f((float*)stream.writeBuf, buffer, 32768.0f, bufferSize * 2);
if (!stream.swap(bufferSize)) { break; }
}
delete[] buffer;
}
std::string name;
bladerf* openDev;
bool enabled = true;
dsp::stream<dsp::complex_t> stream;
double sampleRate;
SourceManager::SourceHandler handler;
bool running = false;
double freq;
int devId = 0;
int srId = 0;
int bwId = 0;
int chanId = 0;
int channelCount;
const bladerf_range* srRange = NULL;
const bladerf_range* bwRange = NULL;
const bladerf_range* gainRange = NULL;
std::vector<uint64_t> sampleRates;
std::string sampleRatesTxt;
std::vector<uint64_t> bandwidths;
std::string bandwidthsTxt;
int bufferSize;
struct bladerf_stream* rxStream;
int testGain = 0;
std::thread workerThread;
int devCount = 0;
bladerf_devinfo* devInfoList = NULL;
std::string devListTxt;
};
MOD_EXPORT void _INIT_() {
json def = json({});
def["devices"] = json({});
def["device"] = "";
config.setPath(options::opts.root + "/bladerf_config.json");
config.load(def);
config.enableAutoSave();
}
MOD_EXPORT ModuleManager::Instance* _CREATE_INSTANCE_(std::string name) {
return new BladeRFSourceModule(name);
}
MOD_EXPORT void _DELETE_INSTANCE_(ModuleManager::Instance* instance) {
delete (BladeRFSourceModule*)instance;
}
MOD_EXPORT void _END_() {
config.disableAutoSave();
config.save();
}
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