From: Frank <frannk_m1@yahoo.com>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] what is the purpose of "serial_tstc()"?
Date: Wed, 27 Apr 2005 07:56:49 -0700 (PDT) [thread overview]
Message-ID: <20050427145649.71847.qmail@web32205.mail.mud.yahoo.com> (raw)
In-Reply-To: 6667
It returns a true if there is a char in the serial input buffer.
I usually use it when I'm in an inifinit loop and want to break
out if some hits the keyboard. Similar to "?key" in Forth.:-)
--- wnlee1109 at gmail.com wrote:
>
> Hello, u-boot community,
>
> When I wrote the hardware dependent parts of serial functions,
>
> I cannot understand what should I write for "serial_tstc()".
>
> What is the purpose of "serial_tstc()"?
> Does anyone know?
>
> Thanks
> Wayne
>
>
>
>
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next reply other threads:[~2005-04-27 14:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-27 14:56 Frank [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-04-27 13:07 [U-Boot-Users] what is the purpose of "serial_tstc()"? wnlee1109 at gmail.com
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