From: Bakul Shah <bakul@bitblocks.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] usb/serial control open
Date: Sun, 23 Mar 2014 15:02:05 -0700 [thread overview]
Message-ID: <20140323220205.1AE20B827@mail.bitblocks.com> (raw)
In-Reply-To: Your message of "Sun, 23 Mar 2014 17:53:22 EDT." <9838602a5db28f523fec74b5e8a9c2ab@brasstown.quanstro.net>
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.
next prev parent reply other threads:[~2014-03-23 22:02 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-23 18:09 erik quanstrom
2014-03-23 18:34 ` Gorka Guardiola
2014-03-23 18:55 ` erik quanstrom
2014-03-23 19:47 ` Gorka Guardiola
2014-03-23 19:55 ` Gorka Guardiola
2014-03-23 20:32 ` erik quanstrom
2014-03-23 21:08 ` Gorka Guardiola
2014-03-24 1:49 ` erik quanstrom
2014-03-23 21:32 ` Bakul Shah
2014-03-23 21:53 ` erik quanstrom
2014-03-23 22:02 ` Bakul Shah [this message]
2014-03-24 0:32 ` erik quanstrom
2014-03-24 0:41 ` Bakul Shah
2014-03-23 5:04 ` lucio
2014-03-23 19:53 ` Gorka Guardiola
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