fft Driver for espressif dsp library: https://espressif-docs.readthedocs-hosted.com/projects/esp-dsp/en/latest/esp-dsp-apis.html More...
#include <AudioEspressifFFT.h>
Inheritance diagram for FFTDriverEspressifFFT:
Public Member Functions | |
| bool | begin (int len) override |
| void | conjugate () |
| void | end () override |
| void | fft () override |
| Perform FFT. | |
| bool | getBin (int pos, FFTBin &bin) override |
| gets the value of a bin | |
| float | getValue (int idx) override |
| Get result value from Reverse FFT. | |
| bool | isReverseFFT () override |
| Returns true if reverse FFT is supported. | |
| bool | isValid () override |
| float | magnitude (int idx) override |
| Calculate the magnitude (fft result) at index (sqr(i² + r²)) | |
| float | magnitudeFast (int idx) override |
| magnitude w/o sqrt | |
| void | rfft () override |
| Calculate reverse FFT. | |
| bool | setBin (int pos, FFTBin &bin) |
| bool | setBin (int pos, float real, float img) override |
| sets the value of a bin | |
| void | setValue (int idx, float value) override |
| Sets the real value. | |
Public Attributes | |
| int | len =0 |
| float * | p_data = nullptr |
| esp_err_t | ret |
Detailed Description
fft Driver for espressif dsp library: https://espressif-docs.readthedocs-hosted.com/projects/esp-dsp/en/latest/esp-dsp-apis.html
- Copyright
- GPLv3
The documentation for this class was generated from the following file:
- src/AudioTools/AudioLibs/AudioEspressifFFT.h
