/* mbed Microcontroller Library * Copyright (c) 2018 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. */ #ifndef MBED_WATCHDOG_H #define MBED_WATCHDOG_H #ifdef DEVICE_WATCHDOG #include "watchdog_api.h" #include "mbed_error.h" #include "mbed.h" #include "platform/mbed_critical.h" #include "LowPowerTicker.h" #ifdef __cplusplus extern "C" { #endif /** \addtogroup drivers */ /** A system timer that will reset the system in the case of system failures or * malfunctions. * * Example: * @code * * mbed_wdog_manager_start(); * * while (true) { * wait(0.3); * * } * @endcode * @ingroup drivers */ /** Start an independent watchdog timer * * * @return status true if the watchdog timer was started * successfully. assert if one of the input parameters is out of range for the current platform. * false if watchdog timer was not started */ bool mbed_wdog_manager_start(); /** Stops the watchdog timer * * Calling this function will attempt to disable any currently running * watchdog timers if supported by the current platform. * * @return Returns true if the watchdog timer was succesfully * stopped, or if the timer was never started. Returns * false if the watchdog cannot be disabled * on the current platform. */ bool mbed_wdog_manager_stop(); /** Get the watchdog timer refresh value * * This function returns the refresh timeout of the watchdog timer. * * @return Reload value for the watchdog timer in milliseconds. */ uint32_t mbed_wdog_manager_get_reload_value(); /** Get the maximum refresh value for the current platform in milliseconds * * @return Maximum refresh value supported by the watchdog for the current * platform in milliseconds */ uint32_t mbed_wdog_manager_get_max_timeout(); #ifdef __cplusplus } #endif #endif // DEVICE_WATCHDOG #endif // MBED_WATCHDOG_H