Sam Grove
/
canopen_slavenode
CANfestival - an open source CANopen framework
framework/include/mbed/timerscfg.h
- Committer:
- sam_grove
- Date:
- 2011-05-30
- Revision:
- 0:6219434a0cb5
File content as of revision 0:6219434a0cb5:
/* This file is part of CanFestival, a library implementing CanOpen Stack. Copyright (C): Edouard TISSERANT and Francis DUPIN mbed port: sgrove See COPYING file for copyrights details. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __TIMERSCFG_H__ #define __TIMERSCFG_H__ // Whatever your microcontroller, the timer wont work if // TIMEVAL is not at least on 32 bits #define TIMEVAL UNS32 // The max count for the freerunning counter register #define TIMEVAL_MAX 0xFFFFFFFF // The timer is incrementing every 4 us. //#define MS_TO_TIMEVAL(ms) (ms * 250) //#define US_TO_TIMEVAL(us) (us>>2) // The timer is incrementing every 8 us. #define MS_TO_TIMEVAL(ms) ((ms) * 125) #define US_TO_TIMEVAL(us) ((us)>>3) #endif