STM32 Fast Fourier Transform (CMSIS DSP FFT) - Phil's Lab #111
How to implement a Fast Fourier Transform (FFT) on an embedded system (STM32 microcontroller + CODEC) using ARM´s CMSIS library. Full walkthrough and demo of a peak frequency detector.
Chapters:
- 00:00Introduction
- 01:56Previous Videos
- 02:27FFT Basics
- 03:04CMSIS Libraries
- 04:24Adding Libraries to CubeIDE
- 06:06Basic Code Structure
- 07:12Including arm_math.h
- 07:43ARM FFT Function Overview
- 09:04FFT Variables & Defines
- 09:56Initialising FFT
- 10:14Processing Callback (Fill Buffer, Compute FFT)
- 12:32Peak Frequency Detector
- 13:26FFT Complex Result
- 14:27Computing Magnitude
- 15:10Frequency Bins
- 17:15Data via USB
- 17:38Test Set-Up
- 18:10Live Demo
- 19:43Outro
