Re: lag while printing and serial redirect

Stas Sergeev
2016-12-13T21:13:56Z

13.12.2016 16:26, Jakub Klawiter пишет:
> Hello!
>
> i've got dosemu installed on ubuntu box. I've OKI dot matrix printer
> connected to it via USB2parallel interface.
>
> Now if i'll try e.g.
>
> $ echo test | lpr -l
> the printer starts to print immediately.
>
> But from dosemu if i'll try:
>
> C:>echo test > lpt1:
>
> it's working but there is 3-4 seconds lag before it starts to print.
> Where can i look to fix it?
>
> my dosemu.conf part:
>
> $_lpt1 = "lpr -l"
> $_printer_timeout = (10)
So why dont you reduce the timeout then?

> The second thing:
>
> i like to have COM1 (serial) port transmission redirected to reglar
> file. I tried something like:
>
> $_com1 = "/tmp/com1.txt"
>
> but it's not working. Is it possible to catch serial transmission to a file?
Yes, but not as simple. You need to establish the pty link
with 'socat' program. But this feature is quite simple to add.