/* * vivi/lib/time.c: Simple timers * * Copyright (C) 2002 MIZI Research, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA * *  * Author: Janghoon Lyu <nandy@mizi.com> * Date  : $Date: 2004/02/04 06:22:25 $ * * $Revision: 1.1.1.1 $ * $Id: time.c,v 1.1.1.1 2004/02/04 06:22:25 laputa Exp $ * * * History *  * 2002-08-05: Janghoon Lyu <nandy@mizi.com> * */#include "config.h"#include "machine.h"#include "printk.h"#include "time.h"#include "vivi_string.h"#ifdef CONFIG_CMD_SLEEP#include "command.h"#endif#include <string.h>extern void arch_udelay(unsigned int usec);extern void arch_mdelay(unsigned int msec);void udelay(unsigned int usec){	arch_udelay(usec);}void mdelay(unsigned int msec){	arch_mdelay(msec);}#ifdef CONFIG_CMD_SLEEPvoid command_sleep(int argc, const char **argv){	int len;	unsigned int sec;	char buf[10];	char unit;	if (argc != 2) {		printk("invalid 'sleep' command: too few or many arguments\n");		printk("Usage:\n");		printk("  sleep <sec> -- 1m == mili 1u == micro 1s == secon\n");		return;	}	len = strlen(argv[1]);	strncpy(buf, argv[1], len-1);	buf[len-1] = '\0';	strncpy(&unit, argv[1]+(len-1), 1);	sec = (unsigned int)strtoul(buf, NULL, 0, NULL);	if (strncmp("s", (char *)&unit, 1) == 0) {		printk("sleep %d seconds\n", sec);		mdelay(sec * 1000);	} else if (strncmp("m", (char *)&unit, 1) == 0) {		printk("sleep %d mili-seconds\n", sec);		mdelay(sec);	} else if (strncmp("u", (char *)&unit, 1) == 0) {		printk("sleep %d micro-seconds\n", sec);		udelay(sec);	}}user_command_t sleep_cmd = {	"sleep",	command_sleep,	NULL,	"merong"};#endif