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Hello everyone, I have a project and I should do it with EK-TM4C123GH6XL. I have to collect data via audio jack and ADC, put them into buffer and perform FFT on that data to find frequency of played guitar string. I have simply done it on Energia IDE. However I cant find any ready to use FFT library for Keil (in C) or could not manage to use CMSIS DSP libraries. Can someone help if you guys any advice for FFT library that is not very complex and useable for my project.
