rtimer-arch.h

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00001 /*
00002  * Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
00003  * to the MC1322x project (http://mc1322x.devl.org) and Contiki.
00004  *
00005  * All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions
00009  * are met:
00010  * 1. Redistributions of source code must retain the above copyright
00011  *    notice, this list of conditions and the following disclaimer.
00012  * 2. Redistributions in binary form must reproduce the above copyright
00013  *    notice, this list of conditions and the following disclaimer in the
00014  *    documentation and/or other materials provided with the distribution.
00015  * 3. Neither the name of the Institute nor the names of its contributors
00016  *    may be used to endorse or promote products derived from this software
00017  *    without specific prior written permission.
00018  *
00019  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00020  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00021  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00022  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00023  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00024  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00025  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00026  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00027  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00028  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00029  * SUCH DAMAGE.
00030  *
00031  * This file is part of the Contiki OS.
00032  *
00033  *
00034  */
00035 
00036 /**
00037  * \file
00038  *         Header file for the mc1322x-specific rtimer code
00039  * \author
00040  *         Mariano Alvira <mar@devl.org>
00041  */
00042 
00043 #ifndef __RTIMER_ARCH_H__
00044 #define __RTIMER_ARCH_H__
00045 
00046 /* contiki */
00047 #include "sys/rtimer.h"
00048 
00049 /* mc1322x */
00050 #include "crm.h"
00051 #include "utils.h"
00052 
00053 #if USE_32KHZ_XTAL
00054 #define RTIMER_ARCH_SECOND 32768
00055 #else
00056 #define RTIMER_ARCH_SECOND 2000 /* bogus value --- you should set xmac_config after calibration */
00057 #endif
00058 
00059 #define rtimer_arch_now() (*CRM_RTC_COUNT)
00060 
00061 #endif /* __RTIMER_ARCH_H__ */