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LCD Library 1.3.0
LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.
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00001 // --------------------------------------------------------------------------- 00002 // Created by GHPS on 5/06/2012. 00003 // Copyright 2012 - Under creative commons license 3.0: 00004 // Attribution-ShareAlike CC BY-SA 00005 // 00006 // This software is furnished "as is", without technical support, and with no 00007 // warranty, express or implied, as to its usefulness for any purpose. 00008 // 00009 // Thread Safe: No 00010 // Extendable: Yes 00011 // 00012 // @file LiquidCrystal_I2C_ByVac.c 00013 // This file implements a basic liquid crystal library that comes as standard 00014 // in the Arduino SDK but using the extension board BV4218/BV4208 from ByVac. 00015 // 00016 // @brief 00017 // This is a basic implementation of the LiquidCrystal library of the 00018 // Arduino SDK. The original library has been reworked in such a way that 00019 // this class implements the all methods to command an LCD based 00020 // on the Hitachi HD44780 and compatible chipsets using I2C extension 00021 // backpack BV4218 from ByVac. 00022 // 00023 // The functionality provided by this class and its base class is identical 00024 // to the original functionality of the Arduino LiquidCrystal library. 00025 // 00026 // @author GHPS - ghps-et-users-sourceforge-net 00027 // --------------------------------------------------------------------------- 00028 #ifndef LiquidCrystal_I2C_ByVac_h 00029 #define LiquidCrystal_I2C_ByVac_h 00030 #include <inttypes.h> 00031 #include <Print.h> 00032 00033 #include <../Wire/Wire.h> 00034 #include "LCD.h" 00035 00036 00037 class LiquidCrystal_I2C_ByVac : public LCD 00038 { 00039 public: 00040 00050 LiquidCrystal_I2C_ByVac (uint8_t lcd_Addr); 00051 00068 virtual void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS); 00069 00082 virtual void send(uint8_t value, uint8_t mode); 00083 00084 00092 void setBacklight ( uint8_t value ); 00093 00102 void setContrast ( uint8_t value ); 00103 00104 private: 00105 00111 int init(); 00112 00122 uint8_t _Addr; // I2C Address of the IO expander 00123 00124 }; 00125 00126 #endif