Pull Request for Arduino Support

[pschatzmann]

I was wondering if you would accept a pull request to add Arduino Support which contains the following changes

• new file library.properties in the root directory.
• new file kiss_arduino_config.h in the root directory where we can define FIXED_POINT.
• the following change in kiss_fft.h to use the configuration

#if defined(ARDUINO) && !defined(IGNORE_ARDUINO_CONFIG)
#include "kiss_arduino_config.h"
#endif

With these changes the project can be used as Arduino library...

[dizcza]

I saw your fork. Please rename IGNORE_ARDUINO_CONFIG to a more project-specific name like KISSFFT_IGNORE_ARDUINO_CONFIG.

[dizcza]

... and putting yourself as the author discredits Mark's invaluable work.

[pschatzmann]

Done, but I did not get any answer from mborgerding, so I did not submit any pull request. I planned to update library.properties after getting an answer, which unfortunately never happend.

[dizcza]

Yeah, the support seems to be abandoned, as I've also seen another PR here that I wanted to be merged.

Anyhow, I linked your library against a copy-pasted kissfft lib from this project and it worked out fine.

[pschatzmann]

Cool, my major goal was to be able to provide some alternative implementations in my Arduino Audio Tools, so that we can use one common API. You might also have a look at esp-dsp from Espressif...

[dizcza]

Actually, I had a look at your audio tools repo a few months ago when searching for a simple solution to save audio from INMP441. I hadn't noticed that you also provide FFT support and even some benches.

So AudioESP32FFT appears as the winner, doesn't it? That's interesting that it supports both ARM and ESP platforms... I may have a closer look.

Ah, I should have read it to the end:

AudioRealFFT seems to perform better, with bigger values!

Got it.