TextLCD library for controlling various LCD panels based on the HD44780 4-bit interface

Fork of TextLCD by Simon Ford

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