I am using the STM32F4 Board and Wolfson pi audio card for my
problem, which I stated down. I am trying to pass my own sample
values to the DAC, then passing out them through the speaker. Then I
want to capture/sense those values (emitted signals from the speaker)
by using the MEMS microphone present on the audio card.
This is similar to audio passthrough example provided by ARM, in
which our voice will be sensed by the MEMS microphone and then the
same will be emitted by the speake
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