[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: serial line speed of 115200

From: Roland McGrath
Subject: Re: serial line speed of 115200
Date: Thu, 26 Apr 2001 20:41:05 -0400 (EDT)

> GNU Mach currently only supports speedsup to 38400.

The com driver actually goes to 57600, I think.  
But chario.c checks NSPEEDS.

> Will it work to set a divisor of "1" in i386/i386at/com.c and a new symbol
> "B115200 16" in include/device/tty_status.h to implement 115200 speed?

No, but it will work if you add B57600 16 and B115200 17, and make NSPEEDS 18.

> I know zip about modem programming, and it might require some special setup
> to get working. I tried to look at the linux kernel code, but it is covering
> too much hardware to be comprehensible for me.

It looks to me like linux would do the same thing for 115200 that gnumach
would do with that change.

reply via email to

[Prev in Thread] Current Thread [Next in Thread]