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69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
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* Copyright (C) 2017 Fundacion Inria Chile
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @{
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* @ingroup net
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* @file
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* @brief Implementation of OpenThread alarm platform abstraction
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*
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* @author Jose Ignacio Alamos <jialamos@uc.cl>
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* @}
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*/
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#include <stdint.h>
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#include "msg.h"
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#include "openthread/platform/alarm.h"
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#include "ot.h"
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#include "thread.h"
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#include "xtimer.h"
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#include "timex.h"
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#define ENABLE_DEBUG (0)
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#include "debug.h"
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static xtimer_t ot_timer;
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static msg_t ot_alarm_msg;
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/**
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* Set the alarm to fire at @p aDt milliseconds after @p aT0.
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*
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* @param[in] aInstance The OpenThread instance structure.
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* @param[in] aT0 The reference time.
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* @param[in] aDt The time delay in milliseconds from @p aT0.
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*/
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void otPlatAlarmStartAt(otInstance *aInstance, uint32_t aT0, uint32_t aDt)
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{
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DEBUG("openthread: otPlatAlarmStartAt: aT0: %" PRIu32 ", aDT: %" PRIu32 "\n", aT0, aDt);
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ot_alarm_msg.type = OPENTHREAD_XTIMER_MSG_TYPE_EVENT;
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if (aDt == 0) {
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msg_send(&ot_alarm_msg, thread_getpid());
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}
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else {
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int dt = aDt * US_PER_MS;
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xtimer_set_msg(&ot_timer, dt, &ot_alarm_msg, thread_getpid());
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}
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}
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/* OpenThread will call this to stop alarms */
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void otPlatAlarmStop(otInstance *aInstance)
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{
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DEBUG("openthread: otPlatAlarmStop\n");
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xtimer_remove(&ot_timer);
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}
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/* OpenThread will call this for getting running time in millisecs */
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uint32_t otPlatAlarmGetNow(void)
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{
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uint32_t now = xtimer_now_usec() / US_PER_MS;
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DEBUG("openthread: otPlatAlarmGetNow: %" PRIu32 "\n", now);
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return now;
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}
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