printer feedback in raw mode

[th.breyer at web.de]

Hello,

I am using cups-1.1.20 on a embedded system (PPC) in raw mode on a serial printer.

Now I have some special esc/pos commands which return a byte sequence or a status byte on the serial line (e.g. sending a $17 returns two bytes one can read the version of the printer firmware).

How can I transfer these answers of the printer to the application or the shell?

Greetinx
tom