92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/*
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* Copyright (c) 2014, Texas Instruments Incorporated - http://www.ti.com/
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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 copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \addtogroup cc26xx-rtimer
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* @{
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*
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* \file
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* Implementation of the arch-specific rtimer functions for the CC13xx/CC26xx
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki.h"
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#include "sys/energest.h"
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#include "sys/rtimer.h"
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#include "cpu.h"
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#include "dev/soc-rtc.h"
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#include "ti-lib.h"
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#include <stdint.h>
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/*---------------------------------------------------------------------------*/
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/**
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* \brief We don't need to do anything special here. The RTC is initialised
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* elsewhere
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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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return;
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Schedules an rtimer task to be triggered at time t
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* \param t The time when the task will need executed.
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*
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* \e t is an absolute time, in other words the task will be executed AT
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* time \e t, not IN \e t rtimer ticks.
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*
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* This function schedules a one-shot event with the AON RTC.
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*
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* This functions converts \e to a value suitable for the AON RTC.
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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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/* Convert the rtimer tick value to a value suitable for the AON RTC */
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soc_rtc_schedule_one_shot(AON_RTC_CH0, t);
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Returns the current real-time clock time
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* \return The current rtimer time in ticks
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*
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* The value is read from the AON RTC counter and converted to a number of
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* rtimer ticks
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*
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*/
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rtimer_clock_t
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rtimer_arch_now()
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{
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return ti_lib_aon_rtc_current_compare_value_get();
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}
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/*---------------------------------------------------------------------------*/
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/** @} */
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