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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