Re: using system serial drivers

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Samuel Thibault, on Sat 19 Nov 2016 22:47:09 +0100, wrote:
> David, on Sat 19 Nov 2016 11:28:34 -0500, wrote:
> > Have any of you bothered to read the code in the driver you are calling
> > and see what overhead is imposed on entry/exit? It is quite abit.
> 
> That's still extremely slow compared to the actual time spent by
> hardware to send the bytes over the wire.

Oops, sorry, I meant "low" instead of "slow".

Samuel
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