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ilvoronilvoron
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Added basic functional: generate and export signal (sine wave)
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‎.gitignore‎

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# Prerequisites
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*.d
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# Object files
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*.o
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*.ko
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*.obj
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*.elf
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# Linker output
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*.ilk
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*.map
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*.exp
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# Precompiled Headers
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*.gch
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*.pch
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# Libraries
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*.lib
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# *.a
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*.la
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*.lo
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# Shared objects (inc. Windows DLLs)
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*.dll
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*.so
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*.so.*
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*.dylib
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# Executables
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*.exe
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*.out
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*.app
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*.i*86
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*.x86_64
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*.hex
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# Debug files
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*.dSYM/
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*.su
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*.idb
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*.pdb
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# Kernel Module Compile Results
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*.mod*
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*.cmd
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.tmp_versions/
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modules.order
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Module.symvers
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Mkfile.old
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dkms.conf
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# [Custom]
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build

‎CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.5)
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project(SignalProcceser)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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add_subdirectory(src)
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add_executable(signal main.cpp)
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target_link_libraries(signal lib)

‎_build_cmake_make.bat‎

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echo off
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echo Changing directory to "build"
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cd build
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echo Running CMake
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cmake -G "MinGW Makefiles" ..
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echo Running Make
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mingw32-make
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set /p DUMMY=Done. Press ENTER to exit...

‎_build_make.bat‎

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echo off
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echo Changing directory to "build"
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cd build
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echo Running Make
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set MAKE=wsl -e make
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%MAKE%
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set /p DUMMY=Done. Press ENTER to exit...

‎_clean.bat‎

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echo off
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echo Cleaning "build" directory...
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rmdir /S /Q build
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echo Making "build" directory...
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mkdir build
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set /p DUMMY=Done. Press ENTER to exit...

‎_clean_build_cmake_make.bat‎

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echo off
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echo Cleaning "build" directory...
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rmdir /S /Q build
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echo Making "build" directory...
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mkdir build
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echo Changing directory to "build"
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cd build
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echo Running CMake
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cmake -G "MinGW Makefiles" ..
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echo Running Make
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mingw32-make
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set /p DUMMY=Done. Press ENTER to exit...

‎main.cpp‎

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#include "TFileWriter.h"
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#include "TGenerator.h"
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int main()
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{
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double time = 3;
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double oscillationFreq = 2;
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double samplingFreq = 200;
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double amplitude = 3.5;
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double initPhase = 0;
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double offsetY = 0;
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TGenerator gen(time, oscillationFreq, initPhase, offsetY, amplitude, samplingFreq);
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gen.exec();
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TFileWriter file(gen.sl(), "signal.txt");
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file.exec();
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}

‎src/CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.5)
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file(GLOB_RECURSE CORE_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/core/*.cpp")
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file(GLOB_RECURSE IO_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/io/*.cpp")
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file(GLOB_RECURSE ANALYSIS_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/analysis/*.cpp")
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file(GLOB_RECURSE CORE_HEADERS "${CMAKE_CURRENT_SOURCE_DIR}/core/*.h")
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file(GLOB_RECURSE IO_HEADERS "${CMAKE_CURRENT_SOURCE_DIR}/io/*.h")
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file(GLOB_RECURSE ANALYSIS_HEADERS "${CMAKE_CURRENT_SOURCE_DIR}/analysis/*.h")
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add_library(lib
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${CORE_SOURCES} ${IO_SOURCES} ${ANALYSIS_SOURCES}
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${CORE_HEADERS} ${IO_HEADERS} ${ANALYSIS_HEADERS}
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)
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target_include_directories(lib PUBLIC
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${CMAKE_CURRENT_SOURCE_DIR}/core
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${CMAKE_CURRENT_SOURCE_DIR}/io
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${CMAKE_CURRENT_SOURCE_DIR}/analysis
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)

‎src/core/TGenerator.cpp‎

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#include "TGenerator.h"
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#include <math.h>
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// *************
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// PRIVATE
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// *************
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int TGenerator::_randInt(int from, int to) {
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return rand() % (to - from + 1) + from;
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}
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// ************
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// PUBLIC
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// ************
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TGenerator::TGenerator(double time, double oscillationFreq, double initPhase, double offsetY, double amplitude, double samplingFreq) {
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_time = time;
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_oscillationFreq = oscillationFreq;
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_initPhase = initPhase;
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_offsetY = offsetY;
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_amplitude = amplitude;
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_samplingFreq = samplingFreq;
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_sl = new TSignalLine(time, oscillationFreq, initPhase, offsetY, amplitude, samplingFreq);
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}
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TSignalLine *TGenerator::sl() const { return _sl; }
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void TGenerator::exec() {
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unsigned int pointsCount = _sl->pointsCount();
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double x, y;
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for (int i = 0; i < pointsCount; i++) {
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x = i / _samplingFreq;
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y = _amplitude * sin((2 * i * M_PI * _oscillationFreq) / _samplingFreq + _initPhase) + _offsetY;
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_sl->set(i, x, y);
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}
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}
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// TODO: MAKE "TRUE" NOISE WITH TOTAL ABS EQUALS TO 0 + REFACTOR THE FUNCTION
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void TGenerator::addNoise(double dispersion){
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for (int i = 0;i<_sl->pointsCount();i++){
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double yOffset = _randInt(1, 1000000) / 1000000. * dispersion;
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int modif = _randInt(0, 2) - 1;
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_sl->set(i,_sl->at(i).x,_sl->at(i).y + modif * yOffset);
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}
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}

‎src/core/TGenerator.h‎

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#ifndef TGENERATOR_H
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#define TGENERATOR_H
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#include <cmath>
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#include "TSignalLine.h"
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class TGenerator{
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public:
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TGenerator(double time, double oscillationFreq, double initPhase = 0, double offsetY = 0, double amplitude = 1, double samplingFreq = 1000);
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TSignalLine *sl() const;
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void exec();
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void addNoise(double dispersion);
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private:
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TSignalLine* _sl;
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double _time;
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double _oscillationFreq;
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double _initPhase;
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double _offsetY;
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double _amplitude;
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double _samplingFreq;
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int _randInt(int from, int to);
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};
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#endif

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