1 files changed, 54 insertions, 0 deletions
diff --git a/gpr/source/lib/common/private/timer.c b/gpr/source/lib/common/private/timer.c
new file mode 100755
index 0000000..4db60e7
--- /dev/null
+++ b/gpr/source/lib/common/private/timer.c
@@ -0,0 +1,54 @@
+/*! @file gpr_timer.c
+ *
+ *  @brief Implementation of a high-resolution performance timer.
+ *
+ *  @version 1.0.0
+ *
+ *  (C) Copyright 2018 GoPro Inc (http://gopro.com/).
+ *
+ *  Licensed under either:
+ *  - Apache License, Version 2.0, http://www.apache.org/licenses/LICENSE-2.0
+ *  - MIT license, http://opensource.org/licenses/MIT
+ *  at your option.
+ *
+ *  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.
+ */
+
+#include "timer.h"
+
+/*!
+	@brief Initialize a timer
+	
+	The frequency of the performance timer is determined if it has not
+	already been obtained.
+ */
+void InitTimer(TIMER *timer)
+{
+    timer->begin    = 0;
+	timer->elapsed  = 0;
+}
+
+void StartTimer(TIMER *timer)
+{
+    timer->begin    = clock();
+}
+
+void StopTimer(TIMER *timer)
+{
+	timer->elapsed += (clock() - timer->begin);
+}
+
+float TimeSecs(TIMER *timer)
+{
+	return (float)(timer->elapsed) / CLOCKS_PER_SEC;
+}
+
+float TimeMSecs(TIMER *timer)
+{
+    return (float)(TimeSecs(timer) * 1000);
+}
+