Virtual Printer Port?

Dan Mahoney (Gushi) freebsd at
Sat Jul 28 20:28:42 UTC 2018

Hey all,

This may be off topic, but does anyone know a port or configuration for 
FreeBSD that can listen on a serial port and spit out a PDF?  I have a 
piece of hardware (a hospital-grade pulse oximeter) that's able to talk to 
an *original* HP Thinkjet with a serial port and produce graphical charts. 
Like, the best 1993 has to offer.

I'd rather simply hook up a BSD box via a serial port and translate those 
control codes into a PDF (or TIFF/PNG/postscript document).  The control 
codes are pretty well documented, since you need them to make printer 
drivers, but this is the reverse use.

Is there anything in ports that can do this?  Is there a better mailing 
list to be asking on?



--------Dan Mahoney--------
Techie,  Sysadmin,  WebGeek
Gushi on efnet/undernet IRC

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