I am currently working on an analog vibration sensor I have to recover 5 harmonics with my Stm32wle5jc I would like to know how to do a simple fft without DMA at first then with? because I am a beginner in the field
I tried to integrate an example of fft on my existing code and I have a problem "undefined reference to `arm_cfft_radix4_f32'" knowing that I just put the file arm_math.h and after I also tried to put the library DSP and lib arm_cortexM4lf_math.lib a...