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43 lines
1.1 KiB
43 lines
1.1 KiB
/*
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Copyright (c) 2013 Arduino LLC. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef Compass_h
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#define Compass_h
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#if ARDUINO >= 100
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#include "Arduino.h"
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#else
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#include "WProgram.h"
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#endif
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//0x21==0x42>>1, from bildr's code
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#define HMC6352SlaveAddress 0x21
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#define HMC6352ReadAddress 0x41
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class Compass{
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public:
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void begin();
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float getReading();
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private:
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void _beginTransmission();
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void _endTransmission();
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};
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#endif
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