/*

 * GraphLCD driver library

 *

 * gu256x64-372.h  -  8-bit driver module for Noritake GU256x64-372

 *                    VFD displays. The VFD is operating in its 8-bit

 *                    mode connected to a single PC parallel port.

 *

 * based on:

 *   gu256x32f driver module for graphlcd

 *     (c) 2003 Andreas Brachold <vdr04 AT deltab.de>

 *   HD61830 device

 *     (c) 2001-2003 by Carsten Siebholz <c.siebholz AT t-online.de>

 *   lcdproc 0.4 driver hd44780-ext8bit

 *     (c) 1999, 1995 Benjamin Tse <blt AT comports.com>

 *

 * This file is released under the GNU General Public License. Refer

 * to the COPYING file distributed with this package.

 *

 * (c) 2004 Andreas 'randy' Weinberger (randy AT smue.org)

 */

#ifndef _GLCDDRIVERS_GU256X64_372_H_

#define _GLCDDRIVERS_GU256X64_372_H_

#include "driver.h"

namespace GLCD

{

class cDriverConfig;

class cParallelPort;

class cDriverGU256X64_372 : public cDriver

{

    cParallelPort * port;

    cDriverConfig * config;

    cDriverConfig * oldConfig;

    int m_iSizeYb;

    int m_nRefreshCounter;

    unsigned char ** m_pDrawMem; // the draw "memory"

    unsigned char ** m_pVFDMem; // the double buffed display "memory"

    long m_nTimingAdjustCmd;

    bool m_bSleepIsInit;

    int CheckSetup();

protected:

    void ClearVFDMem();

    void SetPixel(int x, int y);

    void GU256X64Cmd(unsigned char data);

    void GU256X64Data(unsigned char data);

public:

    cDriverGU256X64_372(cDriverConfig * config);

    virtual ~cDriverGU256X64_372();

    virtual int Init();

    virtual int DeInit();

    virtual void Clear();

    virtual void Set8Pixels(int x, int y, unsigned char data);

    virtual void Refresh(bool refreshAll = false);

    virtual void SetBrightness(unsigned int percent);

};

} // end of namespace

#endif