From 4085ae3ddfbbf10c8ccbd3dccd43452c40a1fe40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <yuval@y3xz.com>
Date: Fri, 13 Mar 2015 12:24:52 +0200
Subject: Add bootloader, nfclib and sensorlib

---
 sensorlib/quaternion.h | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 sensorlib/quaternion.h

(limited to 'sensorlib/quaternion.h')

diff --git a/sensorlib/quaternion.h b/sensorlib/quaternion.h
new file mode 100644
index 0000000..79f9270
--- /dev/null
+++ b/sensorlib/quaternion.h
@@ -0,0 +1,70 @@
+//*****************************************************************************
+//
+// quaternion.h - Prototypes for the quaternion functions.
+//
+// Copyright (c) 2013-2014 Texas Instruments Incorporated.  All rights reserved.
+// Software License Agreement
+// 
+// Texas Instruments (TI) is supplying this software for use solely and
+// exclusively on TI's microcontroller products. The software is owned by
+// TI and/or its suppliers, and is protected under applicable copyright
+// laws. You may not combine this software with "viral" open-source
+// software in order to form a larger program.
+// 
+// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
+// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
+// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
+// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
+// DAMAGES, FOR ANY REASON WHATSOEVER.
+// 
+// This is part of revision 2.1.0.12573 of the Tiva Firmware Development Package.
+//
+//*****************************************************************************
+
+#ifndef __SENSORLIB_QUATERNION_H__
+#define __SENSORLIB_QUATERNION_H__
+
+//*****************************************************************************
+//
+// If building with a C++ compiler, make all of the definitions in this header
+// have a C binding.
+//
+//*****************************************************************************
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+//*****************************************************************************
+//
+// The index of the components in a quaternion vector.
+//
+//*****************************************************************************
+#define Q_W                     0
+#define Q_X                     1
+#define Q_Y                     2
+#define Q_Z                     3
+
+//*****************************************************************************
+//
+// Prototypes.
+//
+//*****************************************************************************
+extern void QuaternionFromEuler(float pfQOut[4], float fRollDeg,
+                                float fPitchDeg, float fYawDeg);
+extern float QuaternionMagnitude(float pfQIn[4]);
+extern void QuaternionInverse(float pfQOut[4], float pfQIn[4]);
+extern void QuaternionMult(float pfQOut[4], float pfQIn1[4], float pfQIn2[4]);
+extern float QuaternionAngle(float pfQIn1[4], float pfQIn2[4]);
+
+//*****************************************************************************
+//
+// Mark the end of the C bindings section for C++ compilers.
+//
+//*****************************************************************************
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __SENSORLIB_QUATERNION_H__
-- 
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