mbed-os/features/lorawan/system/LoRaWANTimer.cpp

65 lines
1.4 KiB
C++

/**
/ _____) _ | |
( (____ _____ ____ _| |_ _____ ____| |__
\____ \| ___ | (_ _) ___ |/ ___) _ \
_____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
(C)2013 Semtech
Description: Timer objects and scheduling management
License: Revised BSD License, see LICENSE.TXT file include in the project
Maintainer: Miguel Luis and Gregory Cristian
Copyright (c) 2017, Arm Limited and affiliates.
SPDX-License-Identifier: BSD-3-Clause
*/
#include "LoRaWANTimer.h"
LoRaWANTimeHandler::LoRaWANTimeHandler()
: _queue(NULL)
{
}
LoRaWANTimeHandler::~LoRaWANTimeHandler()
{
}
void LoRaWANTimeHandler::activate_timer_subsystem(events::EventQueue *queue)
{
_queue = queue;
}
lorawan_time_t LoRaWANTimeHandler::get_current_time(void)
{
const uint32_t current_time = _queue->tick();
return (lorawan_time_t)current_time;
}
lorawan_time_t LoRaWANTimeHandler::get_elapsed_time(lorawan_time_t saved_time)
{
return get_current_time() - saved_time;
}
void LoRaWANTimeHandler::init(timer_event_t &obj, mbed::Callback<void()> callback)
{
obj.callback = callback;
obj.timer_id = 0;
}
void LoRaWANTimeHandler::start(timer_event_t &obj, const uint32_t timeout)
{
obj.timer_id = _queue->call_in(timeout, obj.callback);
MBED_ASSERT(obj.timer_id != 0);
}
void LoRaWANTimeHandler::stop(timer_event_t &obj)
{
_queue->cancel(obj.timer_id);
obj.timer_id = 0;
}