nes-proj/cpu/mc1322x/rtimer-arch.h
Mariano Alvira 6c0bbc492b change mc1322x rtimers to 32-bit
hardcode a close default value for the RTC
2011-09-02 12:32:47 -04:00

62 lines
2.2 KiB
C

/*
* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
* to the MC1322x project (http://mc1322x.devl.org) and Contiki.
*
* 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 OS.
*
*
*/
/**
* \file
* Header file for the mc1322x-specific rtimer code
* \author
* Mariano Alvira <mar@devl.org>
*/
#ifndef __RTIMER_ARCH_H__
#define __RTIMER_ARCH_H__
/* contiki */
#include "sys/rtimer.h"
/* mc1322x */
#include "crm.h"
#include "utils.h"
#if USE_32KHZ_XTAL
#define RTIMER_ARCH_SECOND 32768
#else
#define RTIMER_ARCH_SECOND 18778 /* close --- should get calibrated */
#endif
#define rtimer_arch_now() (*CRM_RTC_COUNT)
#endif /* __RTIMER_ARCH_H__ */