[PATCH] commands: add msleep command
Steffen Trumtrar
s.trumtrar at pengutronix.de
Wed Jun 13 06:01:50 EDT 2012
Add a command to sleep for n milliseconds.
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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