[sdiy] Audio codec question

Richie Burnett rburnett at richieburnett.co.uk
Wed May 20 14:08:22 CEST 2015

Totally agree.  Not essential for really simple jobs or quick lash-ups.  But 
once you get it working you won't look back.


> Thirded. DMA isn't essential, since you can always process
> samples one at a time in an interrupt and then shove the next
> one out, but it is *far* more efficient to process them in blocks
> (of 8, 16, 32, whatever) and then get DMA to transfer them to the DAC as 
> required.
> As ever, the set-up is a painful process of trying lots of things until it 
> goes, but once it's working, it's like magic.
> Tom 

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