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https://github.com/k3ng/k3ng_rotator_controller.git
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78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
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/*
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HMC5883L.h - Header file for the HMC5883L Triple Axis Magnetometer Arduino Library.
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Copyright (C) 2011 Love Electronics (loveelectronics.co.uk) / 2012 bildr.org (Arduino 1.0 compatible)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the version 3 GNU General Public License as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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WARNING: THE HMC5883L IS NOT IDENTICAL TO THE HMC5883!
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Datasheet for HMC5883L:
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http://www51.honeywell.com/aero/common/documents/myaerospacecatalog-documents/Defense_Brochures-documents/HMC5883L_3-Axis_Digital_Compass_IC.pdf
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*/
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#ifndef HMC5883L_h
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#define HMC5883L_h
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#include <Arduino.h>
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#include <Wire.h>
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#define HMC5883L_Address 0x1E
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#define ConfigurationRegisterA 0x00
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#define ConfigurationRegisterB 0x01
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#define ModeRegister 0x02
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#define DataRegisterBegin 0x03
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#define Measurement_Continuous 0x00
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#define Measurement_SingleShot 0x01
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#define Measurement_Idle 0x03
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#define ErrorCode_1 "Entered scale was not valid, valid gauss values are: 0.88, 1.3, 1.9, 2.5, 4.0, 4.7, 5.6, 8.1"
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#define ErrorCode_1_Num 1
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struct MagnetometerScaled
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{
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float XAxis;
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float YAxis;
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float ZAxis;
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};
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struct MagnetometerRaw
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{
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int XAxis;
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int YAxis;
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int ZAxis;
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};
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class HMC5883L
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{
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public:
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HMC5883L();
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MagnetometerRaw ReadRawAxis();
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MagnetometerScaled ReadScaledAxis();
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int SetMeasurementMode(uint8_t mode);
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int SetScale(float gauss);
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char* GetErrorText(int errorCode);
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protected:
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void Write(int address, int byte);
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uint8_t* Read(int address, int length);
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private:
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float m_Scale;
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};
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#endif
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