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44 lines
747 B
C++
44 lines
747 B
C++
//
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// FILE: FastShiftOut.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.03
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// PURPOSE: shiftout that implements the Print interface
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// DATE: 2013-08-22
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// URL:
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//
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// Released to the public domain
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//
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#ifndef FastShiftOut_h
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#define FastShiftOut_h
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#if defined(ARDUINO) && 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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#define FASTSHIFTOUT_LIB_VERSION "0.1.03"
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#include "Print.h"
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class FastShiftOut : public Print
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{
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public:
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FastShiftOut(uint8_t, uint8_t, uint8_t);
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size_t write(uint8_t);
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int read(void);
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private:
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uint8_t _bitorder;
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int _value;
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uint8_t _databit;
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volatile uint8_t *_dataout;
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uint8_t _clockbit;
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volatile uint8_t *_clockout;
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};
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#endif
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// -- END OF FILE --
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