I'm trying to figure out how to get faster read speeds from the Portenta than what AnalogRead() provides. I have tried accessing the registers directly to accomplish this, but I am unable to do so from within the Arduino IDE. Any help on either of these fronts would be appreciated.
On a related note, AnalogRead() does not let me pick which ADC to use. Is this just not a feature of the Arduino driver?
I appreciate the advice, but I specified in my original post that analog read is not reading fast enough for my requirements
What is fast enough?
You could look up the specs for the A:D on the Uno and figure out how fast can you go.
Most likely the MCU A:D's won't be fast enough, get an external A:D, spend those bucks and get one fast enough.
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