From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: Haojian Zhuang <haojian.zhuang@linaro.org>
Cc: edk2-devel-01 <edk2-devel@lists.01.org>,
Linaro UEFI Mailman List <linaro-uefi@lists.linaro.org>,
Leif Lindholm <leif.lindholm@linaro.org>
Subject: Re: [issue] Arrow key can't be read on tty terminal in release build
Date: Wed, 7 Feb 2018 15:52:59 +0000 [thread overview]
Message-ID: <78656541-A557-41BE-A302-0CB8F9CAAA5B@linaro.org> (raw)
In-Reply-To: <CAD6h2NQis=i4UDn4x0Fg4JtdojwAJo0-qzt-5cb+ZKHF82SaHA@mail.gmail.com>
> On 7 Feb 2018, at 15:50, Haojian Zhuang <haojian.zhuang@linaro.org> wrote:
>
> Hi all,
>
> I have an issue on tty terminal. I setup PL011 serial console as the
> tty terminal on HiKey platform. When it's built in debug mode, arrow
> key works well. When it's built in release mode, arrow key can't work.
>
> For example, DOWN key is gotten in terminal with "~[B" value in debug
> build. DOWN key is gotten in terminal with "~" value in release build.
> These values are fetched by GetOneKeyFromSerial().
>
> But I can't find any difference on PL011 serial driver between debug
> and release mode.
>
> Do you have any idea on this?
>
>
You need to set the FIFO depth to 16 iirc
next prev parent reply other threads:[~2018-02-07 15:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-07 15:50 [issue] Arrow key can't be read on tty terminal in release build Haojian Zhuang
2018-02-07 15:52 ` Ard Biesheuvel [this message]
2018-02-07 16:12 ` Haojian Zhuang
2018-02-07 16:13 ` Ard Biesheuvel
2018-02-07 16:43 ` Haojian Zhuang
2018-02-07 16:52 ` Ard Biesheuvel
2018-02-09 15:52 ` [Linaro-uefi] " Jeremy Linton
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