File content as of revision 0:9e72c57b16fd:

/* mbed TextLCD Library Base Class
 * Copyright (c) 2007-2009 sford
 * Released under the MIT License: http://mbed.org/license/mit
 * Modified by Ned Konz to provide better support for 4-line LCDs and ones with other controller chips.
 */
#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,
            uint16_t rows = 2, uint16_t columns = 16);
    virtual void character(uint16_t column, uint16_t row, int c);
    virtual uint16_t rows() {
        return _rows;
    }
    virtual uint16_t columns() {
        return _columns;
    }
    virtual void reset();
    virtual void cls();

    // locate, putc, printf come from parent class

protected:
    void writeByte(uint16_t value);
    void writeHalfByte(uint16_t value);
    void writeCommand(uint16_t command);
    void writeData(uint16_t data);
    uint16_t readAddressAndBusy();
    void waitUntilDone();

    DigitalOut _rw, _rs, _e;
    BusInOut _d;
    uint16_t _rows, _columns;
};

#endif