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How to read audio data from a mic using SAI / I2S

Question asked by mike ross on Nov 2, 2016



I am working with MK82FN256VLL15 MCU. I am trying to read the audio data from a MIC using SAI/I2S protocol. 

Using a logic analyzer I could see the data being transmitted from mic to the MCU.  But when I print the buffer I get only zeros.

I have attached the screenshot of from the logic analyzer and also the code.


Any help is very much appreciated.


Thank you in advance


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