Using Perl to access serial ports
Jason Pearce
jason.pearce@ieee.org
Tue May 31 16:58:00 GMT 2005
Igor Pechtchanski wrote:
>Just FYI: /dev/ttyS* devices are numbered from 0, so /dev/com1 corresponds
>to /dev/ttyS0... Also, if you have a sequence of shell commands that
>should work but don't (e.g., stty followed by echo followed by read/cat),
>could you please post them, along with an equivalent program (whether perl
>or C) that does work?
> Igor
>
>
Ahh. That explains why /dev/com3 did nothing but /dev/ttyS3 gave me
permission denied (I have an internal modem on COM3, but no COM4 port).
I'll have another go at using the /dev method again then and let you
know what I find.
Jason
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