root / arduino-1.0 / libraries / Wire / Wire.h @ 58d82c77
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/*
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TwoWire.h - TWI/I2C library for Arduino & Wiring
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Copyright (c) 2006 Nicholas Zambetti. 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 TwoWire_h
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#define TwoWire_h
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#include <inttypes.h> |
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#include "Stream.h" |
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#define BUFFER_LENGTH 32 |
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class TwoWire : public Stream |
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{ |
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private:
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static uint8_t rxBuffer[];
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static uint8_t rxBufferIndex;
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static uint8_t rxBufferLength;
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static uint8_t txAddress;
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static uint8_t txBuffer[];
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static uint8_t txBufferIndex;
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static uint8_t txBufferLength;
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static uint8_t transmitting;
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static void (*user_onRequest)(void); |
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static void (*user_onReceive)(int); |
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static void onRequestService(void); |
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static void onReceiveService(uint8_t*, int); |
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public:
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TwoWire(); |
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void begin();
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void begin(uint8_t);
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void begin(int); |
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void beginTransmission(uint8_t);
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void beginTransmission(int); |
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uint8_t endTransmission(void);
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uint8_t requestFrom(uint8_t, uint8_t); |
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uint8_t requestFrom(int, int); |
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virtual size_t write(uint8_t); |
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virtual size_t write(const uint8_t *, size_t);
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virtual int available(void); |
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virtual int read(void); |
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virtual int peek(void); |
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virtual void flush(void); |
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void onReceive( void (*)(int) ); |
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void onRequest( void (*)(void) ); |
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using Print::write; |
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}; |
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extern TwoWire Wire;
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#endif
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