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https://github.com/RobTillaart/Arduino.git
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43 lines
628 B
C
43 lines
628 B
C
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//
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// FILE: PCF8574.H
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// AUTHOR: Rob Tillaart
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// DATE: 02-febr-2013
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//
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// PUPROSE:
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//
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#ifndef _PCF8574_H
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#define _PCF8574_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 PCF8574_LIB_VERSION "0.1.00"
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class PCF8574
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{
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public:
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PCF8574(uint8_t address);
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uint8_t read8();
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uint8_t read(uint8_t pin);
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void write8(uint8_t value);
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void write(uint8_t pin, uint8_t value);
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void PCF8574::toggle(uint8_t pin);
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void PCF8574::shiftRight();
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void PCF8574::shiftLeft();
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private:
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uint8_t _address;
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uint8_t _data;
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int _status;
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};
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#endif
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