Date: Thu, 28 Feb 2013 13:23:08 +0100 From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: s m <sperado_nada@yahoo.com> Cc: freebsd-questions@freebsd.org Subject: Re: backspace shows ^? in serial communication Message-ID: <20130228122307.GA15927@saturn> In-Reply-To: <1361950827.74767.YahooMailClassic@web142502.mail.bf1.yahoo.com> References: <1361950827.74767.YahooMailClassic@web142502.mail.bf1.yahoo.com>
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On 2013-02-26 23:40, s m <sperado_nada@yahoo.com> wrote:
> hello all,
>
> i have problem with backspace in freebsd 8.2. when i run a serial
> program to communicate via a serial port to the other system,
> backspace shows ^? in opened terminal. i use termios and fcntl to
> open, read, write and close serial port. i set erase and erase2 for
> ttyu2(my serial port) but backspace shows ^? yet.
>
> any body knows what i'm doing wrong? just erase and erase2 should be
> set to backspace works correctly or any other options should be set?
Just run:
stty erase '^?'
in your serial console terminal. The backspace key sends ^? so you are
seeing it because it's not mapped to 'erase'.
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