mbed-os/drivers/WatchdogManager.h

54 lines
1.5 KiB
C++

/*
* Copyright (c) 2019 Arm Limited and affiliates.
* 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.
*/
#ifndef MBED_WATCHDOG_MANAGER_H
#define MBED_WATCHDOG_MANAGER_H
#include "platform/SingletonPtr.h"
#include "drivers/LowPowerTicker.h"
#include "platform/Callback.h"
#include "hal/ticker_api.h"
#include <cstdio>
namespace mbed {
/** \addtogroup drivers */
class WatchdogManager {
public:
static void attach(Callback<void()> func, us_timestamp_t timeout);
static void detach();
// static uint32_t get_elapsed();
static const uint32_t elapsed_ms = MBED_CONF_TARGET_WATCHDOG_TIMEOUT / 2;
private:
#if DEVICE_LPTICKER
/** Create singleton instance of LowPowerTicker for watchdog periodic call back of kick.
*/
static SingletonPtr<LowPowerTicker> _ticker;
#else
/** Create singleton instance of Ticker for watchdog periodic call back of kick.
*/
static SingletonPtr<Ticker> _ticker;
#endif
};
} // namespace mbed
#endif // MBED_WATCHDOG_MANAGER_H