Is it possible to use python to get True Full Duplex on a Serial port?
greg at cosc.canterbury.ac.nz
Sat Aug 15 13:44:59 CEST 2009
Terry Reedy wrote:
> I believe the C standard specifies that the behavior of mixed reads and
> writes is undefined without intervening seek and/or flush, even if the
> seek is ignored (as it is on some Unix systems). With two threads, the
> timing is undetermined.
It's also possible that the stdio object is being locked
while one of the threads is using it, which would also
account for the observed half-duplex behaviour.
Another good reason to steer clear of file objects!
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