About Head not tail: Whoops, yes correct. > The correct message counter is 0x100, the wrong one 0x120. That's 2x > FIFO size. I'd like to know when the FIFO head is wrong for the first > time, one that results in a data transfer where "old" FIFO contents is > read. I haven't dumped any data yet. Not sure what you mean. Do you want the message counter at that point in time? Thomas
