[PATCH] commands: add msleep command
Antony Pavlov
antonynpavlov at gmail.com
Wed Jun 13 07:07:15 EDT 2012
On 13 June 2012 14:01, Steffen Trumtrar <s.trumtrar at pengutronix.de> wrote:
> Add a command to sleep for n milliseconds.
>
May be will be better to upgrade sleep?
SYNOPSIS
sleep NUMBER
DESCRIPTION
Pause for NUMBER seconds.
The NUMBER may be an arbitrary floating point number.
> Signed-off-by: Steffen Trumtrar <s.trumtrar at pengutronix.de>
> ---
> commands/Kconfig | 4 ++++
> commands/Makefile | 1 +
> commands/msleep.c | 40 ++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 45 insertions(+)
> create mode 100644 commands/msleep.c
>
> diff --git a/commands/Kconfig b/commands/Kconfig
> index 52e1f17..adc0914 100644
> --- a/commands/Kconfig
> +++ b/commands/Kconfig
> @@ -25,6 +25,10 @@ config CMD_SLEEP
> tristate
> prompt "sleep"
>
> +config CMD_MSLEEP
> + tristate
> + prompt "msleep"
> +
> config CMD_SAVEENV
> tristate
> select ENV_HANDLING
> diff --git a/commands/Makefile b/commands/Makefile
> index 4c8a0a9..0970ba3 100644
> --- a/commands/Makefile
> +++ b/commands/Makefile
> @@ -10,6 +10,7 @@ obj-$(CONFIG_CMD_MTEST) += memtest.o
> obj-$(CONFIG_CMD_EDIT) += edit.o
> obj-$(CONFIG_CMD_EXEC) += exec.o
> obj-$(CONFIG_CMD_SLEEP) += sleep.o
> +obj-$(CONFIG_CMD_MSLEEP) += msleep.o
> obj-$(CONFIG_CMD_RESET) += reset.o
> obj-$(CONFIG_CMD_GO) += go.o
> obj-$(CONFIG_NET) += net.o
> diff --git a/commands/msleep.c b/commands/msleep.c
> new file mode 100644
> index 0000000..c9fa23c
> --- /dev/null
> +++ b/commands/msleep.c
> @@ -0,0 +1,40 @@
> +/*
> + * msleep.c - delay execution for n milliseconds
> + *
> + * Copyright (c) 2012 Steffen Trumtrar <s.trumtrar at pengutronix.de>, Pengutronix
> + *
> + * derived from commands/sleep.c
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2
> + * as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + */
> +
> +#include <common.h>
> +#include <command.h>
> +#include <clock.h>
> +
> +static int do_msleep(int argc, char *argv[])
> +{
> + ulong delay;
> +
> + if (argc != 2)
> + return COMMAND_ERROR_USAGE;
> +
> + delay = simple_strtoul(argv[1], NULL, 10);
> +
> + mdelay(delay);
> +
> + return 0;
> +}
> +
> +BAREBOX_CMD_START(msleep)
> + .cmd = do_msleep,
> + .usage = "delay execution for n milliseconds",
> +BAREBOX_CMD_END
> --
> 1.7.10
>
>
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--
Best regards,
Antony Pavlov
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