//

 // Copyright (C) 2014-2015 Stéphane Lenclud.

 //

 // This file is part of MiniDisplay.

 //

 // MiniDisplay is free software: you can redistribute it and/or modify

 // it under the terms of the GNU General Public License as published by

 // the Free Software Foundation, either version 3 of the License, or

 // (at your option) any later version.

 //

 // MiniDisplay is distributed in the hope that it will be useful,

 // but WITHOUT ANY WARRANTY; without even the implied warranty of

 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 // GNU General Public License for more details.

 //

 // You should have received a copy of the GNU General Public License

 // along with MiniDisplay.  If not, see <http://www.gnu.org/licenses/>.

 //

 #ifndef FUTABA_GP1212A01_H

 #define FUTABA_GP1212A01_H

 #include "FutabaGP1212.h"

 #include "FutabaVfd.h"

 /**

 GP1212A01A is a graphic display module using a FUTABA 256x64dots VFD.

 The module do not include character ROM, the customer will compile the character

 by themselves (from main system).

 */

 class GP1212A01A : public GP1212XXXX

 	{

 public:

 public:

     GP1212A01A();

     ~GP1212A01A();

 	//From DisplayBase

 	int Open();

 	//From FutabaGraphicVfd

 	virtual void SetPixel(unsigned char aX, unsigned char aY, unsigned int aPixel);

 	virtual void SetAllPixels(unsigned char aPattern);

     virtual int FrameBufferSizeInBytes() const {return KGP12xFrameBufferSizeInBytes;}

     //virtual void BitBlit(const BitArray& aBitmap, int aSrcWidth, int aSrcHeight, int aTargetX, int aTargetY) const;

 	//From FutabaVfd

 	virtual void SetBrightness(int aBrightness);

 	virtual void Clear();

 	virtual void Fill();

 	//Specific to GP1212A01A

 	void SetPixelBlock(unsigned char aX, unsigned char aY, int aHeight, int aSize, unsigned char aValue);

     void SetPixelBlock(unsigned char aX, unsigned char aY, int aHeight, int aSize, unsigned char* aPixels);

     //Define display position within our display RAM

 	void SetDisplayPosition(unsigned char aX, unsigned char aY);

     unsigned char DisplayPositionX() const {return iDisplayPositionX;}

     unsigned char DisplayPositionY() const {return iDisplayPositionY;}

     //

 	void SwapBuffers();

     //

 	virtual void Request(TMiniDisplayRequest aRequest);

 	//

 	void ToggleOffScreenMode();

     void SetOffScreenMode(bool aOn);

     bool OffScreenMode() const {return iOffScreenMode;}

     //

     void SetFrameDifferencing(bool aOn){iUseFrameDifferencing=aOn;}

     bool FrameDifferencing() const {return iUseFrameDifferencing;}

     //

     TMiniDisplayRequest AttemptRequestCompletion();

     FutabaVfdReport& InputReport() {return iInputReport;}

 private:

 	void RequestDeviceId();

     void RequestFirmwareRevision();

     void RequestPowerSupplyStatus();

 private:

 	enum DW

 		{

         DW1=0xC0,

         DW2=0xD0

 		};

 	void SetDisplayPosition(DW aDw,unsigned char aX, unsigned char aY);

 	unsigned char OffScreenY() const;

 	void SendClearCommand();

 	void OffScreenTranslation(unsigned char& aX, unsigned char& aY);

 	void ResetBuffers();

     void SendModifiedPixelBlocks();

 private:

 	unsigned char iDisplayPositionX;

 	unsigned char iDisplayPositionY;

 	///Off screen mode is the recommended default settings to avoid tearing.

 	///Though turning it off can be useful for debugging

 	bool iOffScreenMode;

     ///Frame differences algo is used to reduce USB bus traffic and improve frame rate in typical use case

     bool iUseFrameDifferencing;

 	///

 	//FutabaVfdReport iReport;

 	///

 	//unsigned char iFrameBuffer[256*64];

     BitArrayHigh* iFrameNext;

     BitArrayHigh* iFrameCurrent;

     BitArrayHigh* iFramePrevious;

     //

     BitArrayHigh* iFrameAlpha;

     BitArrayHigh* iFrameBeta;

     BitArrayHigh* iFrameGamma;

     //

     int iNeedFullFrameUpdate;

 	//unsigned char iFrameBeta[256*64];

 	//unsigned char *iFrontBuffer;

 	//unsigned char *iBackBuffer;

     FutabaVfdReport iInputReport;

 	};

 #endif