File content as of revision 9:2fe93daa2106:

/*
 * mbed LCDWindow library
* Copyright (c) 2010 Hendrik Lipka
* 
* 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.
*/

#ifndef HD44780_8BIT_H_
#define HD44780_8BIT_H_

#include "lcd.h"

#include "BusOut.h"
#include "DigitalOut.h"

using namespace mbed; 

/**
 * class for connecting HD44780-based LCD-Display (or using similiar controllers)
 * displays are connected in 8bit-mode
 * currently only 1 or 2 lines are supported
*/
class HD44780LCD8bit: public TextLCDBase
{
    public:
        /**
         * @param width number of chars per line
         * @param height number of lines (currently only 1 and 2 work)
         * @param data the bus object used for sending data (must be 8bit)
         * @param enable the pin name for the enable line (1=active)
         * @param rs the pin name for the register select line (0=cmd, 1=data)
        */
        HD44780LCD8bit(unsigned int columns, unsigned int rows, BusOut *data, PinName enable, PinName rs); 
        virtual void init();
        virtual void writeText(const unsigned int column, const unsigned int row, const char text[]);
        virtual void clear();
        virtual void character(int column, int row, int c);

    protected:
        void sendCmd(const unsigned char byte);
        void sendData(const unsigned char byte);
        
        void sendByte(const unsigned char byte);
        
        BusOut* _data;
        DigitalOut *_enable, *_rs;
};
#endif