/* * Copyright (C) 2015, 2016 "IoT.bzh" * Author "Romain Forlot" <romain.forlot@iot.bzh> * * 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. */ #pragma once #include <sys/timeb.h> /* * @brief return epoch in milliseconds * * @return long long int epoch in milliseconds */ typedef long long int (*TimeFunction)(); /** * @struct FrequencyClock * @brief A frequency counting clock. * * @var FrequencyClock::frequency * the clock frequency in Hz. * @var FrequencyClock::last_time * the last time (in milliseconds since startup) that the clock * ticked. * @var FrequencyClock::time_function * a function returning current time */ typedef struct { float frequency; unsigned long lastTick; TimeFunction timeFunction; } FrequencyClock;