>in short, i am confused :) :(
but ... help is at hand. i checked my mail archives:
>The fifo status counts the number of words waiting in the FIFO. A value of
>128 means that the fifo is full. 0 means the fifo is empty.
OK, so this means that
hdsp_fifo_wait (hdsp, 0, some_count);
is waiting till the FIFO is empty. by contrast,
hdsp_fifo_wait (hdsp, 127, some_count);
waits till there is 1 word available in the FIFO, meaning that we can
write to it.
this doesn't help explain why we sometimes fail to see this condition
being met. any insights?
--p
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