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https://github.com/RobTillaart/Arduino.git
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46 lines
1.0 KiB
C++
46 lines
1.0 KiB
C++
#ifndef I2C_EEPROM_H
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#define I2C_EEPROM_H
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//
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// FILE: I2C_eeprom.h
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// AUTHOR: Rob Tillaart
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// PURPOSE: Simple I2C_eeprom library for Arduino with EEPROM 24LC256 et al.
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// HISTORY: See I2C_eeprom.cpp
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//
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// Released to the public domain
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//
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#include <Wire.h>
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// BLOCKSIZE must be 16
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#define BLOCKSIZE 16
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#define I2C_EEPROM_VERSION "0.2"
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// interface
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class I2C_eeprom
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{
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public:
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// (I2C address)
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I2C_eeprom(uint8_t);
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// (mem_address, value)
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void writeByte(unsigned int, uint8_t );
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// (mem_address, buffer, length)
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void writeBlock(unsigned int, uint8_t*, int );
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// (mem_address, value, count)
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void setBlock(unsigned int, uint8_t, int );
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// (mem_address)
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uint8_t readByte(unsigned int );
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// (mem_address, buffer, length)
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void readBlock(unsigned int, uint8_t*, int );
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private:
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uint8_t _Device;
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// (address)
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int endOfPage(unsigned int);
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// (mem_address, buffer, length)
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void _WriteBlock(unsigned int, uint8_t*, uint8_t );
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void _ReadBlock(unsigned int, uint8_t*, uint8_t );
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};
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#endif
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// END OF FILE
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