osd-contiki/platform/jn516x/dev/rtimer-arch.h
2015-11-21 10:23:15 +01:00

61 lines
2.2 KiB
C

/*
* Copyright (c) 2014, SICS Swedish ICT.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \file
* Header file for NXP jn516x-specific rtimer code
* \author
* Beshr Al Nahas <beshr@sics.se>
*/
#ifndef RTIMER_ARCH_H_
#define RTIMER_ARCH_H_
#include "sys/rtimer.h"
#ifdef RTIMER_CONF_SECOND
#define RTIMER_ARCH_SECOND RTIMER_CONF_SECOND
#else
/* 32MHz CPU clock => 16MHz timer */
#define RTIMER_ARCH_SECOND (F_CPU / 2)
#endif
#define US_TO_RTIMERTICKS(D) ((int64_t)(D) << 4)
#define RTIMERTICKS_TO_US(T) ((int64_t)(T) >> 4)
#define RTIMERTICKS_TO_US_64(T) RTIMERTICKS_TO_US(T)
rtimer_clock_t rtimer_arch_now(void);
rtimer_clock_t rtimer_arch_get_time_until_next_wakeup(void);
#endif /* RTIMER_ARCH_H_ */