From mboxrd@z Thu Jan  1 00:00:00 1970
From: Detlev Zundel <dzu@denx.de>
Date: Mon, 08 Jun 2009 18:06:05 +0200
Subject: [U-Boot] [PATCH 3/3] digsy MTC: Add 'mtc' command.
In-Reply-To: <1243416179-64368-3-git-send-email-gjb@semihalf.com> (Grzegorz
	Bernacki's message of "Wed, 27 May 2009 11:22:59 +0200")
References: <1243416179-64368-1-git-send-email-gjb@semihalf.com>
	<1243416179-64368-3-git-send-email-gjb@semihalf.com>
Message-ID: <m2bpoy6782.fsf@ohwell.denx.de>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

Hi Grzegorz,

> New command allows to:
>  o check FW version
>  o set LED status
>  o set digital output status
>  o get digital input status
>
> Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
> ---
>  board/digsy_mtc/Makefile  |    2 +-
>  board/digsy_mtc/cmd_mtc.c |  287 +++++++++++++++++++++++++++++++++++++++++++++
>  board/digsy_mtc/cmd_mtc.h |   60 ++++++++++
>  3 files changed, 348 insertions(+), 1 deletions(-)
>  create mode 100644 board/digsy_mtc/cmd_mtc.c
>  create mode 100644 board/digsy_mtc/cmd_mtc.h

[...]

> +int cmd_mtc(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
> +{
> +	int err = 0;
> +
> +	if (argc > 1) {
> +		if (strncmp(argv[1], "led", 3) == 0)
> +			err = subcmd_led(cmdtp, flag, argc, argv);
> +		else if (strncmp(argv[1], "key", 3) == 0)
> +			err = subcmd_key(cmdtp, flag, argc, argv);
> +		else if (strncmp(argv[1], "version", 7) == 0)
> +			err = subcmd_version(cmdtp, flag, argc, argv);
> +		else if (strncmp(argv[1], "appreg", 6) == 0)
> +			err = subcmd_appreg(cmdtp, flag, argc, argv);
> +		else if (strncmp(argv[1], "digin", 5) == 0)
> +			err = subcmd_digin(cmdtp, flag, argc, argv);
> +		else if (strncmp(argv[1], "digout", 6) == 0)
> +			err = subcmd_digout(cmdtp, flag, argc, argv);
> +		else {
> +			printf("Usage:\n%s\n", cmdtp->help);
> +			err = 1;
> +		}
> +	} else {
> +		printf("Usage:\n%s\n", cmdtp->help);
> +		err = 1;
> +	}
> +
> +	return err;
> +}

Please use your own cmd_tblt_t to implement sub-commands re-using
existing infrastructure.  Check board/inka4x0/inkadiag.c for an example.

Cheers
  Detlev

-- 
X-Windows has to be the most expensive way ever of popping up an Emacs
window.
                                          -- The UNIX Haters Handbook
--
DENX Software Engineering GmbH,      MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich,  Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-40 Fax: (+49)-8142-66989-80 Email: dzu at denx.de