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/magneto.h | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 sensorlib/magneto.h

(limited to 'sensorlib/magneto.h')

diff --git a/sensorlib/magneto.h b/sensorlib/magneto.h
new file mode 100644
index 0000000..811491e
--- /dev/null
+++ b/sensorlib/magneto.h
@@ -0,0 +1,92 @@
+//*****************************************************************************
+//
+// magneto.h - Prototypes for the functions that manipulate magnetometer
+//             readings.
+//
+// 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_MAGNETO_H__
+#define __SENSORLIB_MAGNETO_H__
+
+//*****************************************************************************
+//
+// The structure that defines the internal state of the magnetometer hard and
+// soft iron compensation.
+//
+//*****************************************************************************
+typedef struct
+{
+    //
+    // The hard iron induced offset in the X axis of the magnetometer.
+    //
+    float fXOffset;
+
+    //
+    // The hard iron induced offset in the Y axis of the magnetometer.
+    //
+    float fYOffset;
+
+    //
+    // The hard iron induced offset in the Z axis of the magnetometer.
+    //
+    float fZOffset;
+
+    //
+    // The Z axis rotation required to align the major/minor axes of the
+    // ellipse in the X-Y plane with the X-Y axes, specified in radians.
+    //
+    float fXYAngle;
+
+    //
+    // The amount to scale the Y axis in order to turn the X-Y ellipse into a
+    // circle.
+    //
+    float fYRatio;
+
+    //
+    // The Y axis rotation required to align the major/minor axes of the
+    // ellipse in the X-Z plane with X-Z axes, specified in radians.
+    //
+    float fXZAngle;
+
+    //
+    // The amount to scale the Z axis in order to turn the X-Z ellipse into a
+    // circle.
+    //
+    float fZRatio;
+}
+tMagnetoCompensation;
+
+//*****************************************************************************
+//
+// Prototypes.
+//
+//*****************************************************************************
+extern void MagnetoCompensateInit(tMagnetoCompensation *psInst, float fXOffset,
+                                  float fYOffset, float fZOffset,
+                                  float fXYAngle, float fYRatio,
+                                  float fXZAngle, float fZRatio);
+extern void MagnetoCompensate(tMagnetoCompensation *psInst, float *pfMagnetoX,
+                              float *pfMagnetoY, float *pfMagnetoZ);
+extern float MagnetoHeadingCompute(float fMagnetoX, float fMagnetoY,
+                                   float fMagnetoZ, float fRoll, float fPitch);
+
+#endif // __SENSORLIB_MAGNETO_H__
-- 
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