From: "Jaime Garcia" <jgarcia@vali.com.mx>
To: 'Glynn Clements' <glynn@gclements.plus.com>
Cc: linux-c-programming@vger.kernel.org
Subject: RE: Serial Port (RS-232)
Date: Wed, 28 Jan 2009 18:14:01 -0600 [thread overview]
Message-ID: <005401c981a6$7cd4b9c0$767e2d40$@com.mx> (raw)
In-Reply-To: <18816.37793.803089.202815@cerise.gclements.plus.com>
I'll give a try to this, thank you so much for the reply Glynn!
Regards!
>
> Jaime Garcia wrote:
>
> > What I want to do is to read from another device that transmit a
> string of
> > chars through serial connector, what do you recommend? I would like
> to know
> > your approach for this. Thank you in advance for your help.
>
> First, open() the device.
>
> Then configure the line settings with e.g.:
>
> struct termios t;
> tcgetattr(fd, &t);
> t.c_lflag &= ~ICANON;
> tcsetattr(fd, TCSANOW, &t);
>
> The ICANON flag controls the use of "canonical mode" (line buffering,
> processing of control codes, etc). For a device other than a terminal,
> you would normally disable this flag. Exactly how the line is
> configured depends upon the device; see the termios(3) manpage for a
> list of settings.
>
> Finally, just read() data.
>
> --
> Glynn Clements <glynn@gclements.plus.com>
> --
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prev parent reply other threads:[~2009-01-29 0:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-27 15:59 Serial Port (RS-232) Jaime Garcia
2009-01-27 16:20 ` Jai Sharma
2009-01-27 16:46 ` Jaime Garcia
2009-01-27 16:35 ` Tiago Maluta
2009-01-27 17:13 ` Michael Iatrou
2009-01-27 17:33 ` Jaime Garcia
2009-01-28 0:56 ` Glynn Clements
2009-01-28 15:16 ` Jaime Garcia
2009-01-28 17:19 ` Glynn Clements
2009-01-29 0:14 ` Jaime Garcia [this message]
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