TextLCD library for controlling various LCD panels based on the HD44780 4-bit interface
TextLCD.h
- Committer:
- simon
- Date:
- 2010-05-22
- Revision:
- 0:edfb85c53631
- Child:
- 1:ac48b187213c
File content as of revision 0:edfb85c53631:
/* mbed TextLCD Library, for a 4-bit 2x16 LCD * Copyright (c) 2007-2010, sford * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "TextDisplay.h" #ifndef MBED_TEXTLCD_H #define MBED_TEXTLCD_H class TextLCD : public TextDisplay { public: TextLCD(PinName rs, PinName rw, PinName e, PinName d0, PinName d1, PinName d2, PinName d3); virtual void character(int column, int row, int c); virtual int rows(); virtual int columns(); // locate, cls, putc, printf come from derived classes protected: void writeByte(int value); void writeCommand(int command); void writeData(int data); DigitalOut _rw, _rs, _e; BusOut _d; }; #endif