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DMA and SSI
Posted by: mikro May,31.2006-22:39 

before i get totally confused... is there any way how to program SSI interface to transfer one 16 bit word into DSP and output four 16 bit words from DSP in the same time in DMA?

when i coded just raw DMA transfer via DSP, i set SSI for network mode, prescale divider for two (i.e. 2 words in one clock period) and voila, only thing i have to do is to load from SSI and store to SSI. It works in interrupts, handshaked transfer, no problem.

but when the size of output and input isn't the same... no idea. i'm newbie in all this SSI stuff so i'm pretty confused by the amount of information in DSP user's manual ;)

any hint welcomed :)







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Topic Posted by  Date 
DMA and SSI mikro May,31.2006-22:39
  Re: DMA and SSI mikro May,31.2006-22:43
    Re: DMA and SSI mikro Jun,01.2006-01:26
      Re: DMA and SSI gwEm Jun,06.2006-09:58
        Re: DMA and SSI mikro Jun,06.2006-15:25
          Re: DMA and SSI earx Jun,06.2006-19:57
            Re: DMA and SSI mikro Jun,06.2006-23:30
              Re: DMA and SSI earx Jun,07.2006-08:57
                Re: DMA and SSI mikro Jun,07.2006-16:09
                  Re: DMA and SSI Patrice Mandin Jun,07.2006-19:09
                    Re: DMA and SSI mikro Jun,07.2006-23:02


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