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Merge pull request SatDump#601 from OK9UWU/master
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Add Cluster WBD Decoder
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Aang23 authored Jan 17, 2024
2 parents 4052308 + c9a0e23 commit 028849c
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Showing 8 changed files with 403 additions and 1 deletion.
9 changes: 8 additions & 1 deletion pipelines/Cluster.json
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Expand Up @@ -49,6 +49,10 @@
[
2,
0
],
[
3,
0
]
],
"work": {
Expand All @@ -73,7 +77,10 @@
"rs_i": 5,
"rs_type": "rs239"
}
}
},
"products":{
"cluster_instruments": {}
}
}
}
}
6 changes: 6 additions & 0 deletions plugins/CMakeLists.txt
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Expand Up @@ -213,6 +213,12 @@ if(PLUGIN_DVB OR PLUGINS_ALL)
add_subdirectory(dvb_support)
endif()

option(PLUGIN_CLUSTER "Enable the CLUSTER support plugin" OFF)

if(PLUGIN_CLUSTER OR PLUGINS_ALL)
add_subdirectory(cluster_support)
endif()

# add_subdirectory(sample)
option(PLUGIN_GVAR_EXTENDED "Enable the GVAR Extended plugin" OFF)

Expand Down
9 changes: 9 additions & 0 deletions plugins/cluster_support/CMakeLists.txt
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cmake_minimum_required(VERSION 3.0.0)
project(cluster_support)

file(GLOB_RECURSE cluster_support_CPPS *.cpp)
add_library(cluster_support SHARED ${cluster_support_CPPS})
target_link_libraries(cluster_support PUBLIC satdump_core)
target_include_directories(cluster_support PUBLIC src)

install(TARGETS cluster_support DESTINATION lib/satdump/plugins)
50 changes: 50 additions & 0 deletions plugins/cluster_support/cluster/instruments/wbd_decoder.cpp
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#include "wbd_decoder.h"

namespace cluster
{
std::vector<MajorFrame> WBDdecoder::work(uint8_t *frm)
{
std::vector<MajorFrame> outputframes;

if (frm[3] % 4 == 0)
{
if (wbdwip.payload.size() == 1090 * 4 - 8)
outputframes.push_back(wbdwip);
wbdwip = MajorFrame();
}
else if (frm[3] % 4 == 1)
{
wbdwip.antennaselect = (frm[5] >> 4) & 0b11; // 0 Ez, 1 Bz, 2 By, 3 Ey
wbdwip.convfreq = (frm[5] >> 2) & 0b11; // conversion freq, 0, 125.454, 250.908, 501.816k
wbdwip.hgagc = frm[5] & 0b11; // Higher AGC select
wbdwip.commands = frm[5] >> 5 & 0b1; // Command Status (0=No cmds; 1=Cmds received)
wbdwip.OBDH = frm[5] >> 6 & 0b1; // OBDH Interface (0=Primary; 1=Redundant)
wbdwip.ADpower = frm[5] >> 4 & 0b1; // seems to be always on
wbdwip.VCXO = frm[5] >> 7; // locked unlocked, 0 is locked
}
else if (frm[3] % 4 == 2)
{

wbdwip.AGC = frm[4] >> 5 & 0b1; // AGC MAN/AUTO 0 for Auto, 1 for Manual
wbdwip.gainlevel = frm[4] >> 1 & 0b1111; // Gain, 16steps as per 3.2.2.4-1
wbdwip.antennaselect = (frm[5] >> 4) & 0b11; // 0 Ez, 1 Bz, 2 By, 3 Ey
wbdwip.convfreq = (frm[5] >> 2) & 0b11; // conversion freq, 0, 125.454, 250.908, 501.816k
wbdwip.hgagc = frm[5] & 0b11; // Higher AGC select
}
else if (frm[3] % 4 == 3)
{
wbdwip.commands = frm[5] >> 5 & 0b1; // Command Status (0=No cmds; 1=Cmds received)
wbdwip.OBDH = frm[5] >> 6 & 0b1; // OBDH Interface (0=Primary; 1=Redundant)
wbdwip.ADpower = frm[5] >> 4 & 0b1; // seems to be always on
wbdwip.VCXO = frm[5] >> 7; // locked unlocked, 0 is locked
wbdwip.outputmode = frm[4] >> 2 & 0b111; // sampling rate, bit depth, duty cycle as per 3.2.2.5-1
wbdwip.lwagc = frm[4] & 0b11; // Lower AGC select
}

for (int i = 6; i < 1096; i++)
if (i != 88 && i != 89)
wbdwip.payload.push_back(frm[i]);

return outputframes;
}
}
32 changes: 32 additions & 0 deletions plugins/cluster_support/cluster/instruments/wbd_decoder.h
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#pragma once
#include <vector>
#include <cstdint>

namespace cluster
{
struct MajorFrame
{
std::vector<uint8_t> payload;
bool VCXO = false;
bool ADpower = false;
bool AGC = false;
bool OBDH = false;
bool commands = false;
int convfreq = 0;
int outputmode = 0;
int antennaselect = 0;
int WBDmodel = 0;
int gainlevel = 0;
int lwagc = 0;
int hgagc = 0;
};

class WBDdecoder
{
private:
MajorFrame wbdwip;

public:
std::vector<MajorFrame> work(uint8_t *frm);
};
}
231 changes: 231 additions & 0 deletions plugins/cluster_support/cluster/module_cluster_instruments.cpp
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#include "module_cluster_instruments.h"
#include <fstream>
#include "common/ccsds/ccsds_standard/vcdu.h"
#include "logger.h"
#include <filesystem>
#include "imgui/imgui.h"
#include "common/utils.h"
#include "common/ccsds/ccsds_standard/demuxer.h"
#include "products/products.h"
#include "products/dataset.h"
#include "common/simple_deframer.h"
#include "instruments/wbd_decoder.h"
#include "common/audio/audio_sink.h"
#include "common/dsp/io/wav_writer.h"

namespace cluster
{
namespace instruments
{
CLUSTERInstrumentsDecoderModule::CLUSTERInstrumentsDecoderModule(std::string input_file, std::string output_file_hint, nlohmann::json parameters)
: ProcessingModule(input_file, output_file_hint, parameters)
{
}

void CLUSTERInstrumentsDecoderModule::process()
{
if (input_data_type == DATA_FILE)
filesize = getFilesize(d_input_file);
std::ifstream data_in;
if (input_data_type == DATA_FILE)
data_in = std::ifstream(d_input_file, std::ios::binary);

logger->info("Using input frames " + d_input_file);

time_t lastTime = 0;
uint8_t cadu[1279];

// Demuxers
ccsds::ccsds_standard::Demuxer demuxer_vcid1(1101, false);

std::ofstream output(d_output_file_hint + "_wbd.frm", std::ios::binary);
std::ofstream output_cadu2(d_output_file_hint + "_cadu_bkp.cadu", std::ios::binary);

def::SimpleDeframer wbddeframer(0xFAF334, 24, 8768, 0);
WBDdecoder wbddecode;

// Audio stuff
int16_t audio_buffer[4352];
bool enable_audio = false;
std::shared_ptr<audio::AudioSink> audio_sink;
if (input_data_type != DATA_FILE && audio::has_sink())
{
enable_audio = true;
audio_sink = audio::get_default_sink();
audio_sink->set_samplerate(27443);
audio_sink->start();
}

// Buffers to wav...for all the antennas
std::ofstream out_antenna_Ez(d_output_file_hint + "_Ez.wav", std::ios::binary);
int final_data_size_ant_Ez = 0;
dsp::WavWriter wave_writer_Ez(out_antenna_Ez);
wave_writer_Ez.write_header(27443, 1);

std::ofstream out_antenna_Bx(d_output_file_hint + "_Bx.wav", std::ios::binary);
int final_data_size_ant_Bx = 0;
dsp::WavWriter wave_writer_Bx(out_antenna_Bx);
wave_writer_Bx.write_header(27443, 1);

std::ofstream out_antenna_By(d_output_file_hint + "_By.wav", std::ios::binary);
int final_data_size_ant_By = 0;
dsp::WavWriter wave_writer_By(out_antenna_By);
wave_writer_By.write_header(27443, 1);

std::ofstream out_antenna_Ey(d_output_file_hint + "_Ey.wav", std::ios::binary);
int final_data_size_ant_Ey = 0;
dsp::WavWriter wave_writer_Ey(out_antenna_Ey);
wave_writer_Ey.write_header(27443, 1);

while (input_data_type == DATA_FILE ? !data_in.eof() : input_active.load())
{
// Read buffer
if (input_data_type == DATA_FILE)
data_in.read((char *)&cadu, 1279);
else
input_fifo->read((uint8_t *)&cadu, 1279);

// Save (for now)
output_cadu2.write((char *)cadu, 1279);

// Parse this transport frame
ccsds::ccsds_standard::VCDU vcdu = ccsds::ccsds_standard::parseVCDU(cadu);

if (vcdu.vcid == 5) // Parse WBD VCID
{
std::vector<ccsds::CCSDSPacket> ccsdsFrames = demuxer_vcid1.work(cadu);
for (ccsds::CCSDSPacket &pkt : ccsdsFrames)
{
std::vector<std::vector<uint8_t>> minorframes = wbddeframer.work(pkt.payload.data(), pkt.payload.size());
for (auto &frm : minorframes)
{
std::vector<MajorFrame> majorframes = wbddecode.work(frm.data());
for (auto &majorframe : majorframes)
{
for (int i = 0; i < 4352; i++)
audio_buffer[i] = (int(majorframe.payload[i]) - 127) * 255;

if (enable_audio)
audio_sink->push_samples(audio_buffer, 4352);

if (majorframe.VCXO == 0)
{
output.write((char *)majorframe.payload.data(), majorframe.payload.size());
if (majorframe.antennaselect == 0)
{
out_antenna_Ez.write((char *)audio_buffer, 4352 * sizeof(int16_t));
final_data_size_ant_Ez += 4352 * sizeof(int16_t);
}
else if (majorframe.antennaselect == 1)
{
out_antenna_Bx.write((char *)audio_buffer, 4352 * sizeof(int16_t));
final_data_size_ant_Bx += 4352 * sizeof(int16_t);
}
else if (majorframe.antennaselect == 2)
{
out_antenna_By.write((char *)audio_buffer, 4352 * sizeof(int16_t));
final_data_size_ant_By += 4352 * sizeof(int16_t);
}
else if (majorframe.antennaselect == 3)
{
out_antenna_Ey.write((char *)audio_buffer, 4352 * sizeof(int16_t));
final_data_size_ant_Ey += 4352 * sizeof(int16_t);
}
}

param_antenna = majorframe.antennaselect;
param_convfrq = majorframe.convfreq;
param_band = majorframe.outputmode;
param_VCXO = majorframe.VCXO;
param_OBDH = majorframe.OBDH;
param_commands = majorframe.commands;
}
}
}
}

progress = data_in.tellg();
if (time(NULL) % 10 == 0 && lastTime != time(NULL))
{
lastTime = time(NULL);
logger->info("Progress " + std::to_string(round(((double)progress / (double)filesize) * 1000.0) / 10.0) + "%%");
}
}

wave_writer_Ez.finish_header(final_data_size_ant_Ez);
wave_writer_Bx.finish_header(final_data_size_ant_Bx);
wave_writer_By.finish_header(final_data_size_ant_By);
wave_writer_Ey.finish_header(final_data_size_ant_Ey);

if (input_data_type == DATA_FILE)
data_in.close();
output_cadu2.close();
}

void CLUSTERInstrumentsDecoderModule::drawUI(bool window)
{
ImGui::Begin("Cluster Instruments Decoder", NULL, window ? 0 : NOWINDOW_FLAGS);

ImGui::Text("Antenna :");
ImGui::SameLine();
if (param_antenna == 0)
ImGui::Text("Ez");
else if (param_antenna == 1)
ImGui::Text("Bx");
else if (param_antenna == 2)
ImGui::Text("By");
else if (param_antenna == 3)
ImGui::Text("Ey");

ImGui::Text("Conversion Freq : ");
ImGui::SameLine();
if (param_convfrq == 0)
ImGui::Text("Baseband");
else if (param_convfrq == 1)
ImGui::Text("125.454 kHz");
else if (param_convfrq == 2)
ImGui::Text("250.908 kHz");
else if (param_convfrq == 3)
ImGui::Text("501.816 kHz");

// ImGui::Text("Freq Band:");
// ImGui::SameLine();
// ImGui::Text("%d", param_band);

ImGui::Text("VCXO : ");
ImGui::SameLine();
if (param_VCXO == 0)
ImGui::Text("Locked");
else
ImGui::Text("Unlocked");

ImGui::Text("OBDH : ");
ImGui::SameLine();
ImGui::Text("%d", param_OBDH);

ImGui::Text("CMD : ");
ImGui::SameLine();
ImGui::Text("%d", param_commands);

if (input_data_type == DATA_FILE)
ImGui::ProgressBar((double)progress / (double)filesize, ImVec2(ImGui::GetWindowWidth() - 10, 20 * ui_scale));

ImGui::End();
}

std::string CLUSTERInstrumentsDecoderModule::getID()
{
return "cluster_instruments";
}

std::vector<std::string> CLUSTERInstrumentsDecoderModule::getParameters()
{
return {};
}

std::shared_ptr<ProcessingModule> CLUSTERInstrumentsDecoderModule::getInstance(std::string input_file, std::string output_file_hint, nlohmann::json parameters)
{
return std::make_shared<CLUSTERInstrumentsDecoderModule>(input_file, output_file_hint, parameters);
}
} // namespace amsu
} // namespace metop
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