/*

  * GraphLCD driver library

  *

  * gu140x32f.h  -  8-bit driver module for Noritake GU140x32-F7806 VFD

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

  *                 connected to a single PC parallel port.

  *

  * based on:

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

  */

 #ifndef _GLCDDRIVERS_GU140X32F_H_

 #define _GLCDDRIVERS_GU140X32F_H_

 #include "driver.h"

 namespace GLCD

 {

 class cDriverConfig;

 class cParallelPort;

 class cDriverGU140X32F : public cDriver

 {

     unsigned char m_WiringRS;

     unsigned char m_WiringEN1;

     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 Write(unsigned char nFlags, unsigned char bData, unsigned int nMicroSecBusyTime);

 public:

     cDriverGU140X32F(cDriverConfig * config);

     virtual ~cDriverGU140X32F();

     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