Beginning of work on obd2 object and

files reorganization.

Change-Id: Idaa7ad05c45d734ce771506fd6e41f1a09a6ac66
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 45 insertions, 0 deletions

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" <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;
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