I have an audio acquisition library that runs on the Arduino Uno that makes heavy use of direct calls to the ATMega’s ADC. Does anyone have resources for convening that to run on the STM32F205? What is the best documentation on accessing that specifically for DSP usage?
The basic premise is a mic hooked up to a 3 stage op-amp. The MCU scan 3 ADC to find which one to pull from (if it is not full saturated) and then samples it, runs an FFT and a-weighting and returns a sound pressure level in dBa. I would love to get this working on the particle.