From mboxrd@z Thu Jan  1 00:00:00 1970
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
In-reply-to: Your message of "Sun, 23 Mar 2014 17:53:22 EDT."
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Date: Sun, 23 Mar 2014 15:02:05 -0700
From: Bakul Shah <bakul@bitblocks.com>
Message-Id: <20140323220205.1AE20B827@mail.bitblocks.com>
Subject: Re: [9fans] usb/serial control open
Topicbox-Message-UUID: cece0946-ead8-11e9-9d60-3106f5b1d025

On Sun, 23 Mar 2014 17:53:22 EDT erik quanstrom <quanstro@quanstro.net> wrote:
> > A similar idea here would be to have a "default" command to
> > for default settings. When a device is opened, it is
> > initialized with these settings. The reason I like this is
> > because then I don't need to teach every serial IO program
> > what setting to use (often the other end is a dumb device
> > requiring its own fixed and peculiar settings).
>
> i think it is even easier to set the state up properly with cpurc or
> consolefs' configuration file, and have the various programs not even
> care that they're talking to a serial port.

Not my experience. Occasionally programs do have to care about
some serial port parameters and if such a program crashes you
have a partially working interface. Think CTS/RTS state etc.