Technical discussions about the TI C54x DSPs (including the c5401, c5402, c5402a, c5404, c5407, c5409, c5409a, c5410, c5410a, c5416, c5420, c5421, c5441, c549, c5470 and c5471).
use CSL function DMA_RGETH(hDma2, DMDST). it returns the next dst address for DMA transfer. > > > > Hello all, > >'5416 device. > >Using ABU mode, is there any way of determining which half of the >buffer the DMA is currently writing (in other words which half of the >buffer was just filled and generated the half or full buffer >interrupt? > >We can of course use a simple flip-flop variable, which is toggled in >the ISR, as a simple framer but if an interrupt is missed (for >whatever reason) this system falls apart. Why would we miss an >interrupt - who knows but it is not good to know of a failure >mechanism in code you release is it. > >Can the DMA count registers be accessed in some fashion? I have >looked through the documentation but did not find anything on this. > >Ian Wilson > > > > > >