forked from rrcarlosr/Jetpack
68 lines
1.2 KiB
C
68 lines
1.2 KiB
C
/*
|
|
* (C) Copyright 2001
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
/*
|
|
* Misc functions
|
|
*/
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <console.h>
|
|
|
|
static int do_sleep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
ulong start = get_timer(0);
|
|
ulong delay;
|
|
|
|
if (argc != 2)
|
|
return CMD_RET_USAGE;
|
|
|
|
delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
|
|
|
|
while (get_timer(start) < delay) {
|
|
if (ctrlc())
|
|
return (-1);
|
|
|
|
udelay(100);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
sleep , 2, 1, do_sleep,
|
|
"delay execution for some time",
|
|
"N\n"
|
|
" - delay execution for N seconds (N is _decimal_ !!!)"
|
|
);
|
|
|
|
#ifdef CONFIG_CMD_TIMER
|
|
static int do_timer(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
static ulong start;
|
|
|
|
if (argc != 2)
|
|
return CMD_RET_USAGE;
|
|
|
|
if (!strcmp(argv[1], "start"))
|
|
start = get_timer(0);
|
|
|
|
if (!strcmp(argv[1], "get")) {
|
|
ulong msecs = get_timer(start) * 1000 / CONFIG_SYS_HZ;
|
|
printf("%ld.%03d\n", msecs / 1000, (int)(msecs % 1000));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
timer, 2, 1, do_timer,
|
|
"access the system timer",
|
|
"start - Reset the timer reference.\n"
|
|
"timer get - Print the time since 'start'."
|
|
);
|
|
#endif
|