/*

  * GraphLCD driver library

  *

  * picctl.c  -  PIC controlled LCD driver class

  *

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

  * to the COPYING file distributed with this package.

  *

  * Codebase by Andreas Regel <andreas.regel AT powarman.de>

  * (c) 2007 Carsten Presser

  */

 #ifndef _GLCDDRIVERS_PICCTL_H_

 #define _GLCDDRIVERS_PICCTL_H_

 #include "driver.h"

 namespace GLCD

 {

 class cDriverConfig;

 class cSerialPort;

 class cDriverPICCtl : public cDriver

 {

 private:

     cSerialPort * port;

     unsigned char ** newLCD; // wanted state

     unsigned char ** oldLCD; // current state

     cDriverConfig * config;

     cDriverConfig * oldConfig;

     int WaitForAck(void);

     void CmdDispClearScreen(void);

     void CmdSetMode(uint8_t mode);

     void CmdDispSetManaged(void);

     void CmdDispSetUnManaged(void);

     void CmdDispSetBrightness(uint8_t percent);

     void CmdDispSetColData(uint8_t yoffset, uint8_t xoffset, uint8_t length, uint8_t * data);

     int  CheckSetup();

     void DecodeCmd(uint8_t * cmd, uint8_t len);

     void InputHandler();

     uint8_t buf[255];

     uint8_t buf_pos;

     uint8_t buf_cmd_start;

     bool    buf_flag_escape;

     int     keys[255];

     uint8_t keys_pos;

     uint8_t keys_pos_;

     int  refreshCounter;

     bool ack_flag;

 public:

     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);

     virtual int  GetKey();

     virtual bool HasKeys();

     cDriverPICCtl(cDriverConfig * config);	// Konstruktor

     virtual ~cDriverPICCtl();			// Destruktor

 };

 } // end of namespace

 #endif