mirror of
https://github.com/paparazzi/paparazzi.git
synced 2026-06-05 23:49:00 +08:00
Antoine Drouin
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/*
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* Paparazzi $Id$
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*
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* Copyright (C) 2009 Pascal Brisset, Antoine Drouin
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*
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* This file is part of paparazzi.
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*
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* paparazzi 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, or (at your option)
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* any later version.
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*
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* paparazzi 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 paparazzi; see the file COPYING. If not, write to
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* the Free Software Foundation, 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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/*
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*\brief architecture independant timing functions
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*
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*/
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#ifndef SYS_TIME_H
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#define SYS_TIME_H
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#include <inttypes.h>
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#include BOARD_CONFIG
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extern uint16_t cpu_time_sec;
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#define SYS_TICS_OF_USEC(us) SYS_TICS_OF_SEC((us) * 1e-6)
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#define SYS_TICS_OF_NSEC(ns) SYS_TICS_OF_SEC((ns) * 1e-9)
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#define SIGNED_SYS_TICS_OF_USEC(us) SIGNED_SYS_TICS_OF_SEC((us) * 1e-6)
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#define SIGNED_SYS_TICS_OF_NSEC(us) SIGNED_SYS_TICS_OF_SEC((us) * 1e-9)
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#define TIME_TICKS_PER_SEC SYS_TICS_OF_SEC( 1.)
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#define FIFTY_MS SYS_TICS_OF_SEC( 50e-3 )
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#define AVR_PERIOD_MS SYS_TICS_OF_SEC( 16.666e-3 )
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#ifndef READYBOARD_SYS_TIME
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#include "sys_time_hw.h"
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#endif
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#endif /* SYS_TIME_H */
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