#include "FutabaVfd.h"

//#include <stdlib.h>

#include <string.h>

//

//

//

//

//

//

FutabaVfdCommand::FutabaVfdCommand():/*iBuffer(NULL),*/iSize(0),iMaxSize(0)

    {

    }

FutabaVfdCommand::~FutabaVfdCommand()

    {

    //Delete();

    }

/**

*/

void FutabaVfdCommand::Reset()

    {

    memset(iReports,0,sizeof(iReports));

    }

/**

*/

/*

void FutabaVfdCommand::Create(int aMaxSize)

    {

    iBuffer=new unsigned char[aMaxSize];

    if (iBuffer)

        {

        iMaxSize = aMaxSize;

        iSize = 0;

        }

    }

*/

/**

*/

/*

void FutabaVfdCommand::Delete()

{

    delete[] iBuffer;

    iBuffer = NULL;

    iMaxSize = 0;

    iSize = 0;

}

*/

//

// class GP1212A01A

//

int GP1212A01A::Open()

	{

	int success = HidDevice::Open(KFutabaVendorId,KFutabaProductIdGP1212A01A,NULL);

	if (success)

		{

		SetNonBlocking(1);

		}

	return success;

	}

/**

*/

void GP1212A01A::SetPixel(int aX, int aY, bool aOn)

	{

	//Just specify a one pixel block

	SetPixelBlock(aX,aY,0x00,0x01,aOn);

	}

/**

*/

void GP1212A01A::SetAllPixels(bool aOn)

	{

	//One pixel at a time

	/*

	for (int i=0;i<256;i++)

		{

		for (int j=0;j<64;j++)

			{

			SetPixel(i,j,0x01);

			}

		}

	*/

	//16x16=256 pixels at a time goes much faster

	//TODO: use even larger blocks

	for (int i=0;i<256;i+=16)

		{

		for (int j=0;j<64;j+=16)

			{

			SetPixelBlock(i,j,15,32,(aOn?0xFF:0x00));

			//FXThread::sleep(1000000000);

			}

		}

	}

/**

*/

void GP1212A01A::SetBrightness(int aBrightness)

    {

	if (aBrightness<MinBrightness()||aBrightness>MaxBrightness())

        {

        //Brightness out of range.

        //Just ignore that request.

        return;

        }

    FutabaVfdReport report;

    report[0]=0x00; //Report ID

    report[1]=0x06; //Report size

    report[2]=0x1B; //Command ID

    report[3]=0x5C; //Command ID

    report[4]=0x3F; //Command ID

    report[5]=0x4C; //Command ID

    report[6]=0x44; //Command ID

    report[7]=0x30+aBrightness; //Brightness level

    Write(report);

	}

/**

Set the defined pixel block to the given value.

@param X coordinate of our pixel block starting point.

@param Y coordinate of our pixel block starting point.

@param The height of our pixel block.

@param The size of our pixel data. Number of pixels divided by 8.

@param The value set to 8 pixels used as a pattern.

*/

void GP1212A01A::SetPixelBlock(int aX, int aY, int aHeight, int aSize, unsigned char aValue)

	{

	//Size must be 63 or below

	FutabaVfdReport report;

	report[0]=0x00; //Report ID

	report[1]=0x08+aSize; //Report length

	report[2]=0x1B; //

	report[3]=0x5B; //

	report[4]=0xF0; //

	report[5]=aX; //X

	report[6]=aY; //Y

	report[7]=aHeight; //Y length before return. Though outside the specs, setting this to zero apparently allows us to modify a single pixel without touching any other.

	report[8]=0x00; //Size of pixel data in bytes (MSB)

	report[9]=aSize; //Size of pixel data in bytes (LSB)

	memset(report.Buffer()+10, aValue, aSize);

	//iOutputReportBuffer[10]=aValue; //Pixel data

	Write(report);

	}

/**

Set the defined pixel block to the given value.

@param X coordinate of our pixel block starting point.

@param Y coordinate of our pixel block starting point.

@param The height of our pixel block.

@param The size of our pixel data. Number of pixels divided by 8.

@param Pointer to our pixel data.

*/

void GP1212A01A::SetPixelBlock(int aX, int aY, int aHeight, int aSize, unsigned char* aPixels)

    {

    FutabaVfdReport report;

    report[0]=0x00; //Report ID

    report[1]=0x08+(aSize<=report.Size()-10?aSize:64); //Report length. -10 is for our header first 10 bytes

    report[2]=0x1B; //Command ID

    report[3]=0x5B; //Command ID

    report[4]=0xF0; //Command ID

    report[5]=aX;   //X

    report[6]=aY;   //Y

    report[7]=aHeight; //Y length before return. Though outside the specs, setting this to zero apparently allows us to modify a single pixel without touching any other.

    unsigned short* sizePtr=(unsigned short*)report.Buffer()+8; //Size of pixel data in bytes (MSB)

    *sizePtr=aSize; //Put our size over 2 bytes

    int sizeWritten=MIN(aSize,report.Size()-10);

    memcpy(report.Buffer()+10, aPixels, sizeWritten);

    Write(report);

    int remainingSize=aSize;

    //We need to keep on sending our pixel data until we are done

    while (report[1]==64)

        {

        report.Reset();

        remainingSize-=sizeWritten;

        report[0]=0x00; //Report ID

        report[1]=(remainingSize<=report.Size()-2?aSize:64); //Report length, should be 64 or the remaining size

        sizeWritten=(report[1]==64?63:report[1]);

        memcpy(report.Buffer()+2, aPixels+(aSize-remainingSize), sizeWritten);

        Write(report);

        }

    }

/**

Clear our display's screen.

*/

void GP1212A01A::Clear()

	{

    //Send Clear display command

	FutabaVfdReport report;

	report[0]=0x00; //Report ID

	report[1]=0x04; //Report length

	report[2]=0x1B; //Command ID

	report[3]=0x5B; //Command ID

	report[4]=0x32; //Command ID

	report[5]=0x4A; //Command ID

	Write(report);

	}

/**

*/

void GP1212A01A::RequestId()

    {

    //1BH,5BH,63H,49H,44H

    //Send Read ID command

    FutabaVfdReport report;

    report[0]=0x00; //Report ID

    report[1]=0x05; //Report length

    report[2]=0x1B; //Command ID

    report[3]=0x5B; //Command ID

    report[4]=0x63; //Command ID

    report[5]=0x49; //Command ID

    report[6]=0x44; //Command ID

    Write(report);

    }

/**

*/

void GP1212A01A::RequestFirmwareRevision()

    {

    //1BH,5BH,63H,46H,52H

    //Send Software Revision Read Command

    FutabaVfdReport report;

    report[0]=0x00; //Report ID

    report[1]=0x05; //Report length

    report[2]=0x1B; //Command ID

    report[3]=0x5B; //Command ID

    report[4]=0x63; //Command ID

    report[5]=0x46; //Command ID

    report[6]=0x52; //Command ID

    Write(report);

    }

/**

*/

void GP1212A01A::RequestPowerSupplyStatus()

    {

    //1BH,5BH,63H,50H,4DH

    //Send Power Suppply Monitor Command

    FutabaVfdReport report;

    report[0]=0x00; //Report ID

    report[1]=0x05; //Report length

    report[2]=0x1B; //Command ID

    report[3]=0x5B; //Command ID

    report[4]=0x63; //Command ID

    report[5]=0x50; //Command ID

    report[6]=0x4D; //Command ID

    Write(report);

    }