From de8fb10e1d8e98a85dfba6fc8966266dbf5e42c6 Mon Sep 17 00:00:00 2001 From: Romain Forlot Date: Mon, 6 Mar 2017 22:28:50 +0100 Subject: Beginning of work on obd2 object and files reorganization. Change-Id: Idaa7ad05c45d734ce771506fd6e41f1a09a6ac66 Signed-off-by: Romain Forlot --- src/utils/timer.hpp | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 src/utils/timer.hpp (limited to 'src/utils/timer.hpp') diff --git a/src/utils/timer.hpp b/src/utils/timer.hpp new file mode 100644 index 00000000..7d0e4669 --- /dev/null +++ b/src/utils/timer.hpp @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2015, 2016 "IoT.bzh" + * Author "Romain Forlot" + * + * 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 + +/* + * @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; \ No newline at end of file -- cgit 1.2.3-korg