[fpc-pascal] SerReadTimeout question

[Christo Crause]

On Mon, 19 Sep 2022, 03:18 James Richters via fpc-pascal, <
fpc-pascal at lists.freepascal.org> wrote:

> I can't seem to find any documentation or SerRead or SerReadTimeout..
> searching for either along with Freepascal doesn't get me any results.
> If it exists somewhere and I am just missing it, can someone tell me where
> it is?
>
> Anyway, what I'm trying to figure out is when the timeout timer starts...
>

FPC uses the OS provided functionality to interact with the serial port. On
Windows the timeout seems to start when the read request is made (
https://learn.microsoft.com/en-us/previous-versions/ff547486(v=vs.85)). On
POSIX (at least Linux) it depends on the specific set of flags specified ,
scroll down to the discussion on canonical/noncanonical mode for the
details (https://linux.die.net/man/3/termios).

>
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