source: SVN/rincon/u-boot/common/cmd_misc.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 22 months ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 1.7 KB
Line 
1/*
2 * (C) Copyright 2001
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24/*
25 * Misc functions
26 */
27#include <common.h>
28#include <command.h>
29
30int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
31{
32        ulong start = get_timer(0);
33        ulong delay;
34
35        if (argc != 2) {
36                printf ("Usage:\n%s\n", cmdtp->usage);
37                return 1;
38        }
39
40        delay = simple_strtoul(argv[1], NULL, 10) * CFG_HZ;
41
42        while (get_timer(start) < delay) {
43                if (ctrlc ()) {
44                        return (-1);
45                }
46                udelay (100);
47        }
48
49        return 0;
50}
51
52/* Implemented in $(CPU)/interrupts.c */
53#if defined(CONFIG_CMD_IRQ)
54int do_irqinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
55
56U_BOOT_CMD(
57        irqinfo,    1,    1,     do_irqinfo,
58        "irqinfo - print information about IRQs\n",
59        NULL
60);
61#endif
62
63U_BOOT_CMD(
64        sleep ,    2,    1,     do_sleep,
65        "sleep   - delay execution for some time\n",
66        "N\n"
67        "    - delay execution for N seconds (N is _decimal_ !!!)\n"
68);
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