A basic dsp library for arduino and most of the microcontrollers which can be programmed in C/C++
C++ C
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examples
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simpleDSP_Global.h
simpleDSP_fft.cpp
simpleDSP_fft.h
simpleDSP_fir.cpp
simpleDSP_fir.h

README.md

SimpleDSP

A basic dsp library for arduino and most of the microcontrollers which can be programmed in C/C++

https://github.com/mozanunal/SimpleDSP/wiki

Performance:

Arduino Nano

  • fft 16 points: 2 ms
  • fft 32 points: 6 ms
  • fft 64 points: 16 ms
  • fir filter 10 coeficients: 190 us
  • fir filter 23 coeficients: 453 us
  • fir filter 46 coeficients: 900 us

for 10 coeficients implementation max frequency 5khz

Arduino Due

  • fft 64 points: 2 ms
  • fft 128 points: 6 ms
  • fft 256 points: 10 ms