timer.h

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00001 #ifndef _ARCH_UNIX_TIMER_H_
00002 #define _ARCH_UNIX_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  * $Log$
00038  * Revision 1.2  2006/01/26 15:34:49  going_nuts
00039  * adapted to new interrupt handling scheme for unix emulation
00040  * now uses Unix timer and runs without interrupts unless you emulate other hardware
00041  *
00042  * Revision 1.1  2005/07/26 18:35:10  haraldkipp
00043  * First check in
00044  *
00045  */
00046 
00047 /*
00048  * This will need work to individually enable/disable single interrupts
00049  * For now, this feature is not supported.
00050  */
00051 #define NutEnableTimerIrq()    
00052 #define NutDisableTimerIrq()    
00053 
00054 /*
00055  * Previously, the following two setting were used:
00056  * #define NutEnableTimerIrq()     NutEnterCritical()
00057  * #define NutDisableTimerIrq()    NutExitCritical()
00058  * That doesn't work as our NutEnterCritical() disables all interrupts.
00059  * Anyway, I think it should have been reversed anyway.
00060  */
00061 #endif
00062 

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