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-rw-r--r--src/modules/ekf_att_pos_estimator/estimator_utilities.h43
1 files changed, 41 insertions, 2 deletions
diff --git a/src/modules/ekf_att_pos_estimator/estimator_utilities.h b/src/modules/ekf_att_pos_estimator/estimator_utilities.h
index a6b670c4d..95b83ead4 100644
--- a/src/modules/ekf_att_pos_estimator/estimator_utilities.h
+++ b/src/modules/ekf_att_pos_estimator/estimator_utilities.h
@@ -1,8 +1,47 @@
-#include <math.h>
-#include <stdint.h>
+/****************************************************************************
+* Copyright (c) 2014, Paul Riseborough All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* Redistributions of source code must retain the above copyright notice, this
+* list of conditions and the following disclaimer.
+*
+* Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* Neither the name of the {organization} nor the names of its contributors
+* may be used to endorse or promote products derived from this software without
+* specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+****************************************************************************/
+
+/**
+ * @file estimator_utilities.h
+ *
+ * Estimator support utilities.
+ *
+ * @author Paul Riseborough <p_riseborough@live.com.au>
+ * @author Lorenz Meier <lorenz@px4.io>
+ */
#pragma once
+#include <math.h>
+#include <stdint.h>
+
#define GRAVITY_MSS 9.80665f
#define deg2rad 0.017453292f
#define rad2deg 57.295780f