libraries/Wire.h - master - dmitry.kartashov/Arduino

libraries/Wire.h
63 строки2 KB
Paul Richards
v0.01
16 май 2013, 06:36
16 май 2013, 06:36ff57934
/*
  TwoWire.h - TWI/I2C library for Arduino & Wiring
  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

  Modified 2012 by Todd Krein (todd@krein.org) to implement repeated starts
*/

#ifndef TwoWire_h
#define TwoWire_h

#include <inttypes.h>
// #include <Stream>

#define BUFFER_LENGTH 32

class TwoWire  // public Stream
{
  public:
    TwoWire(){};
    void begin() {};
    void begin(uint8_t) {};
    void begin(int){};
    void beginTransmission(uint8_t){};
    void beginTransmission(int){};
    uint8_t endTransmission(void){};
    uint8_t endTransmission(uint8_t){};
    uint8_t requestFrom(uint8_t, uint8_t){};
    uint8_t requestFrom(uint8_t, uint8_t, uint8_t){};
    uint8_t requestFrom(int, int){};
    uint8_t requestFrom(int, int, int){};
    //virtual size_t write(uint8_t);
    //virtual size_t write(const uint8_t *, size_t);
    int available(){return 0;};
    int read(void){return 0;};
    //virtual int peek(void);
	//virtual void flush(void);
    void onReceive( void (*)(int) ){};
    void onRequest( void (*)(void) ){};
  
    void write(unsigned long n) { return write((uint8_t)n); }
    void write(long n) { return write((uint8_t)n); }
    void write(unsigned int n) { return write((uint8_t)n); }
    void write(int n) { return write((uint8_t)n); }
    // using Print::write;
};

extern TwoWire Wire;

#endif