riotime.h
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上传日期:2013-02-24
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- /****************************************************************************
- ******* *******
- ******* T I M E
- ******* *******
- ****************************************************************************
- Author : Jeremy Rolls
- Date :
- *
- * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- Version : 0.01
- Mods
- ----------------------------------------------------------------------------
- Date By Description
- ----------------------------------------------------------------------------
- ***************************************************************************/
- #ifndef _riotime_h
- #define _riotime_h 1
- #ifndef lint
- #ifdef SCCS
- static char *_rio_riotime_h_sccs = "@(#)riotime.h 1.1" ;
- #endif
- #endif
- #define TWO_POWER_FIFTEEN (ushort)32768
- #define RioTime() riotime
- #define RioTimeAfter(time1,time2) ((ushort)time1 - (ushort)time2) < TWO_POWER_FIFTEEN
- #define RioTimePlus(time1,time2) ((ushort)time1 + (ushort)time2)
- /**************************************
- * Convert a RIO tick (1/10th second)
- * into transputer low priority ticks
- *************************************/
- #define RioTimeToLow(time) (time*(100000 / 64))
- #define RioLowToTime(time) ((time*64)/100000)
- #define RIOTENTHSECOND (ushort)1
- #define RIOSECOND (ushort)(RIOTENTHSECOND * 10)
- #endif
- /*********** end of file ***********/