On Mon, 19 Nov 2012, schmitz wrote: > No length field - must have relied on the ESP interrupt to terminate the > transfer.
I think that for PIO, it doesn't matter. On the other hand, if there is a DMA controller on the board, a schematic would probably answer your question, and PIO doesn't matter. > > Does Mac ESP PIO run in some sort of coroutine? No, and I doubt that the ESP core could accomodate that given that so much processing happens via the interrupt handler (i.e. when interrupts are disabled). Finn > > Cheers, > > Michael > > > -- To UNSUBSCRIBE, email to debian-68k-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/alpine.LNX.2.00.1211201039060.22733@nippy.intranet
