My product is using M0+ core of MCU. And it has FFT and FIR process using CMSIS-DSP.
But I faced an issue for performance of these process. It cannot finish doing process within some period of system.
Is there any ideas or ways to improve performance?
It could not reduce data size for this process. This is because it affects product specification.
You are correct. This is product should use M4 or M33 of CPU.
Also floating-point calculation is very slow. Now I tried to Q16 form of real FFT.
But I faced issue of data scaling...
Thank you for your reply!