//

//

//

#ifndef FUTABA_GP1212A02_H

#define FUTABA_GP1212A02_H

#include "FutabaGP1212.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 GP1212A02A : public GP1212XXXX

	{

public:

    GP1212A02A();

    ~GP1212A02A();

	//From DisplayBase

	int Open();

	virtual void SwapBuffers();

	virtual void TurnPowerOn();

	virtual void TurnPowerOff();

	virtual bool SupportPowerOnOff(){return true;} 

	//From GraphicDisplay

	virtual void SetPixel(unsigned char aX, unsigned char aY, bool aOn);

	virtual void SetAllPixels(unsigned char aPattern);

    virtual int FrameBufferSizeInBytes() const {return KGP12xFrameBufferSizeInBytes;}

	virtual void SetBrightness(int aBrightness);

	virtual void Clear();

	virtual void Fill();

	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;}

    bool IsPowerOn();

	char* DeviceId();

	char* FirmwareRevision();

	enum TBmpBoxId

	{

		EBmpBoxIdNull=0x30,

		EBmpBoxIdOne=0x31,

		EBmpBoxIdTwo=0x32,

		EBmpBoxIdThree=0x33

	};

	enum TTarget

	{

		ETargetDisplayWindow=0x30,

		ETargetDataMemory=0x31

	};

	enum TDirection

	{

		EDirectionY=0x30,

		EDirectionX=0x31

	};

	enum TPowerStatus

	{

		EPowerOff=0x30,

		EPowerOn=0x31

	};

private:

	//Specific to GP1212A02A

	//General setting command

	void BmpDataInput(TTarget aTarget, unsigned short aAddress, TDirection aDirection, unsigned short aSize, unsigned char* aPixels);

	//BMP box

	void BmpBoxSetting(TBmpBoxId aBoxId, unsigned short aAddress, int aWidth, int aHeight);

	void BmpBoxSelect(TBmpBoxId aBoxId);

	void BmpBoxDataMemoryTransfer(unsigned short aAddress);

	void BmpBoxDataInput(unsigned short aSize, unsigned char* aPixels);

	//

	void SendCommandPower(TPowerStatus aPowerStatus);

private:

    void RequestDeviceId();

    void RequestFirmwareRevision();

    void RequestPowerSupplyStatus();

private:

	unsigned char OffScreenY() const;

	void SendClearCommand();

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

	void ResetBuffers();

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];

    BitArrayLow* iFrameNext;

    BitArrayLow* iFrameCurrent;

    BitArrayLow* iFramePrevious;

    //

    BitArrayLow* iFrameAlpha;

    BitArrayLow* iFrameBeta;

    BitArrayLow* iFrameGamma;

    //

    int iNeedFullFrameUpdate;

	//unsigned char iFrameBeta[256*64];

	//unsigned char *iFrontBuffer;

	//unsigned char *iBackBuffer;

    FutabaVfdReport iInputReport;

	//

	char iDeviceId[KFutabaMaxHidReportSize];

	char iFirmwareRevision[KFutabaMaxHidReportSize];

    bool iPowerOn;

	//

	unsigned short iNextFrameAddress;

	};

#endif