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ADAU1451 readback firmware version and sample rate

Question asked by davebtw on May 11, 2015

Hello,

 

I have a working board with two ADAU1451s on it  We can run the DSP at different sample rates and currently compile SigmaStudio firmware based upon a setup option for a single sample rate.  We have that working just fine.  My firmware engineers want to be able to read back from the DSP a firmware version and what sample rate it was compiled for.

 

I have suggested that an 8 bit register than can be set to a value say, 4 bits for version, and 4 for sample rate would work.  I do not know how to create such a readback.  Is it possible?

 

Any suggestions?

 

-david BTW

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