mirror of https://gitee.com/openkylin/linux.git
64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/****************************************************************************
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******* *******
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******* T I M E
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******* *******
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****************************************************************************
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Author : Jeremy Rolls
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Date :
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*
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* (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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Version : 0.01
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Mods
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----------------------------------------------------------------------------
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Date By Description
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----------------------------------------------------------------------------
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***************************************************************************/
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#ifndef _riotime_h
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#define _riotime_h 1
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#ifndef lint
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#ifdef SCCS
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static char *_rio_riotime_h_sccs = "@(#)riotime.h 1.1" ;
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#endif
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#endif
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#define TWO_POWER_FIFTEEN (ushort)32768
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#define RioTime() riotime
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#define RioTimeAfter(time1,time2) ((ushort)time1 - (ushort)time2) < TWO_POWER_FIFTEEN
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#define RioTimePlus(time1,time2) ((ushort)time1 + (ushort)time2)
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/**************************************
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* Convert a RIO tick (1/10th second)
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* into transputer low priority ticks
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*************************************/
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#define RioTimeToLow(time) (time*(100000 / 64))
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#define RioLowToTime(time) ((time*64)/100000)
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#define RIOTENTHSECOND (ushort)1
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#define RIOSECOND (ushort)(RIOTENTHSECOND * 10)
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#endif
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/*********** end of file ***********/
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