timer.h

Vitesse 24port gigabit Switch Source Code

/*

    Copyright (c) 2002-2005 Vitesse Semiconductor Corporation "Vitesse".  
    All Rights Reserved.  Unpublished rights reserved under the copyright laws
    of the United States of America, other countries and international treaties.
    The software is provided without a fee. Permission to use, copy, store and 
    modify, the software and its source code is granted. Permission to integrate
    into other products, disclose, transmit and distribute the software in an
    absolute machine readable format (e.g. HEX file) is also granted. 

    The source code of the software may not be disclosed, transmitted or
    distributed without the written permission of Vitesse. The software and its
    source code may only be used in products utilizing a Vitesse VSC73xx product.
 
    This copyright notice must appear in any copy, modification, disclosure,
    transmission or distribution of the software. Vitesse retains all ownership,
    copyright, trade secret and proprietary rights in the software.  

    THIS SOFTWARE HAS BEEN PROVIDED "AS IS," WITHOUT EXPRESS OR IMPLIED WARRANTY
    INCLUDING, WITHOUT LIMITATION, IMPLIED WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR USE AND NON-INFRINGEMENT.

*/
#ifndef __TIMER_H__
#define __TIMER_H__

extern data ushort tick_count;
extern bit ms_10_timeout_flag;
extern bit sec_1_timeout_flag;

void  timer_1_init (void) small;
void  delay (uchar delay_in_10_msec) small;
void  delay_1 (uchar delay_in_1_msec) small;
void  start_timer (uchar time_in_10_msec) small;
bool  timeout (void) small;

/* Some frequently used timer values in granularity of 10 msec */
#define MSEC_20     2
#define MSEC_30     3
#define MSEC_40     4
#define MSEC_50     5
#define MSEC_100   10
#define MSEC_400   40
#define MSEC_500   50
#define MSEC_750   75
#define MSEC_1000 100

#endif