mbed-os/drivers/source/Timeout.cpp

63 lines
1.9 KiB
C++

/* mbed Microcontroller Library
* Copyright (c) 2006-2013 ARM Limited
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "drivers/Timeout.h"
#include "drivers/LowPowerTimeout.h"
#include "drivers/HighResClock.h"
#include "drivers/LowPowerClock.h"
#include "drivers/RealTimeClock.h"
using namespace std::chrono;
namespace mbed {
void TimeoutBase::handler()
{
if (_function) {
Callback<void()> function_to_call = _function;
// Clean up state to "detached" before calling callback; it may attach
// a new callback. Equivalent to detach(), but skips the remove();
// it's unnecessary because we're in the ticker's handler.
_function = nullptr;
if (_lock_deepsleep) {
sleep_manager_unlock_deep_sleep();
}
function_to_call();
}
}
Timeout::Timeout() : TimeoutBase(get_us_ticker_data(), true)
{
}
#if DEVICE_LPTICKER
LowPowerTimeout::LowPowerTimeout() : TimeoutBase(get_lp_ticker_data(), false)
{
}
#endif
/* A few miscellaneous out-of-line static members from various related classes,
* just to save them getting needing their own cpp file for one line.
* (In C++17 could avoid the need for this by making the members inline).
*/
const bool HighResClock::is_steady;
#if DEVICE_LPTICKER
const bool LowPowerClock::is_steady;
#endif
const bool RealTimeClock::is_steady;
} // namespace mbed