2010-06-09 14:43:22 +00:00
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/*
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* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
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* to the MC1322x project (http://mc1322x.devl.org) and Contiki.
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki OS.
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*
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2011-02-13 22:12:33 +00:00
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*
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2010-06-09 14:43:22 +00:00
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*/
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/**
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* \file
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* mc1322x-specific rtimer code
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* \author
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* Mariano Alvira <mar@devl.org>
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*/
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#include <signal.h>
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/* contiki */
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#include "sys/energest.h"
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#include "sys/rtimer.h"
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/* mc1322x */
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#include "utils.h"
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#define DEBUG 0
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#if DEBUG
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#include <stdio.h>
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#define PRINTF(...) printf(__VA_ARGS__)
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#else
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#define PRINTF(...)
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#endif
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void rtc_isr(void) {
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PRINTF("rtc_wu_irq\n\r");
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PRINTF("now is %u\n", rtimer_arch_now());
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disable_rtc_wu();
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disable_rtc_wu_irq();
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rtimer_run_next();
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clear_rtc_wu_evt();
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}
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void
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rtimer_arch_init(void)
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{
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}
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void
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rtimer_arch_schedule(rtimer_clock_t t)
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{
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volatile uint32_t now;
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now = rtimer_arch_now();
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PRINTF("rtimer_arch_schedule time %u; now is %u\n", t,now);
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if(now>t) {
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*CRM_RTC_TIMEOUT = 1;
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} else {
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*CRM_RTC_TIMEOUT = t - now;
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}
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clear_rtc_wu_evt();
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enable_rtc_wu();
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enable_rtc_wu_irq();
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PRINTF("rtimer_arch_schedule CRM_RTC_TIMEOUT is %u\n", *CRM_RTC_TIMEOUT);
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}
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