timer.h

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00001 #ifndef _ARCH_TIMER_H_
00002 #define _ARCH_TIMER_H_
00003 
00004 /*
00005  * Copyright (C) 2001-2005 by egnite Software GmbH. All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions
00009  * are met:
00010  *
00011  * 1. Redistributions of source code must retain the above copyright
00012  *    notice, this list of conditions and the following disclaimer.
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  *    notice, this list of conditions and the following disclaimer in the
00015  *    documentation and/or other materials provided with the distribution.
00016  * 3. Neither the name of the copyright holders nor the names of
00017  *    contributors may be used to endorse or promote products derived
00018  *    from this software without specific prior written permission.
00019  *
00020  * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
00021  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00022  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00023  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
00024  * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00025  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00026  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
00027  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
00028  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00029  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
00030  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00031  * SUCH DAMAGE.
00032  *
00033  * For additional information see http://www.ethernut.de/
00034  */
00035 
00036 /*
00037  * $Log: timer.h,v $
00038  * Revision 1.2  2008/07/08 08:25:05  haraldkipp
00039  * NutDelay is no more architecture specific.
00040  * Number of loops per millisecond is configurable or will be automatically
00041  * determined.
00042  * A new function NutMicroDelay provides shorter delays.
00043  *
00044  * Revision 1.1  2005/07/26 18:42:19  haraldkipp
00045  * First check in
00046  *
00047  */
00048 
00049 #if defined(__AVR__)
00050 #include <arch/avr/timer.h>
00051 #elif defined(__arm__)
00052 #include <arch/arm/timer.h>
00053 #elif defined(__H8300H__) || defined(__H8300S__)
00054 #include <arch/h8300h/timer.h>
00055 #elif defined(__m68k__)
00056 #include <arch/m68k/timer.h>
00057 #elif defined(__linux__) || defined(__APPLE__) || defined(__CYGWIN__)
00058 #include <arch/unix/timer.h>
00059 #endif
00060 
00061 __BEGIN_DECLS
00062 /* Prototypes */
00063 
00064 /*
00065  * Architecture dependent functions.
00066  */
00067 extern void NutRegisterTimer(void (*handler) (void *));
00068 extern u_long NutGetCpuClock(void);
00069 extern u_long NutGetTickClock(void);
00070 extern u_long NutTimerMillisToTicks(u_long ms);
00071 
00072 __END_DECLS
00073 /* End of prototypes */
00074 
00075 #endif

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