SDR++, The bloat-free SDR software

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readme.md

SDR++, The bloat-free SDR software.

SDR++ is a cross-platform and open source SDR software with the aim of being bloat free and simple to use.

Current Features

Uses SoapySDR for wide hardware support
Hardware accelerated graphics (OpenGL + ImGui)
SIMD accelerated DSP (parts of the DSP are still missing)
Cross-platform
Full waterfall update when possible. Makes browsing signals easier and more pleasant

Comming soon

Multi-VFO
Plugins
Digital demodulators and decoders
Quick replay (replay last n seconds, cool if you missed a short signal)

Small things to add

Switchable bandwidth for demodulators
Switchable audio output device and sample rate
Recording
Light theme (I know you weirdos exist lol)
Waterfall color scheme editor
Switchable fft size
Bias-T enable/disable
other small customisation options
Save waterfall and demod settings between sessions
"Hide sidebar" option
Input filter bandwidth option

Known issues (please check before reporting)

Random crashes (yikes)
Gains aren't stepped
The default gains might contain a bogus value before being adjusted
Clicks in the audio
In some cases, it takes a long time to select a device (RTL-SDR in perticular)
Min and Max buttons can get unachievable values (eg. min > max or min = max);

Building on Windows

Requirements

cmake
vcpkg (for the packages listed below)
fftw3
portaudio
glfw
glew
PothosSDR (for libvolk and SoapySDR)

The build

mkdir build
cd build
cmake .. "-DCMAKE_TOOLCHAIN_FILE=C:/Users/Alex/vcpkg/scripts/buildsystems/vcpkg.cmake" -G "Visual Studio 15 2017 Win64"
cmake --build . --config Release

Copying over needed directories

The last step of the build process is copying the bandplans and res directories to the output directory. If you followed the steps above, it should be build/Release.

Building on Linux

comming soon :)

Building on OSX

comming soon as well :)

Contributing

Feel free to issue pull request and report bugs via the github issues. I will soon publish a contributing.md listing the code style to use.