sl@9: 
sl@9: #include "FutabaVfd.h"
sl@9: //#include <stdlib.h>
sl@9: #include <string.h>
sl@9: 
sl@10: 
sl@10: //
sl@10: //
sl@10: //
sl@10: 
sl@10: 
sl@10: 
sl@10: 
sl@10: 
sl@10: //
sl@10: //
sl@10: //
sl@10: 
sl@9: FutabaVfdCommand::FutabaVfdCommand():/*iBuffer(NULL),*/iSize(0),iMaxSize(0)
sl@9:     {
sl@9:     }
sl@9: 
sl@9: FutabaVfdCommand::~FutabaVfdCommand()
sl@9:     {
sl@9:     //Delete();
sl@9:     }
sl@9: 
sl@9: 
sl@9: /**
sl@9: 
sl@9: */
sl@9: void FutabaVfdCommand::Reset()
sl@9:     {
sl@9:     memset(iReports,0,sizeof(iReports));
sl@9:     }
sl@9: 
sl@9: 
sl@9: 
sl@9: /**
sl@9: 
sl@9: */
sl@9: /*
sl@9: void FutabaVfdCommand::Create(int aMaxSize)
sl@9:     {
sl@9:     iBuffer=new unsigned char[aMaxSize];
sl@9:     if (iBuffer)
sl@9:         {
sl@9:         iMaxSize = aMaxSize;
sl@9:         iSize = 0;
sl@9:         }
sl@9:     }
sl@9: */
sl@9: 
sl@9: /**
sl@9: 
sl@9: */
sl@9: /*
sl@9: void FutabaVfdCommand::Delete()
sl@9: {
sl@9:     delete[] iBuffer;
sl@9:     iBuffer = NULL;
sl@9:     iMaxSize = 0;
sl@9:     iSize = 0;
sl@9: }
sl@9: */
sl@9: 
sl@9: 
sl@10: 
sl@10: 
sl@10: //
sl@10: // class GP1212A01A
sl@10: //
sl@10: 
sl@23: GP1212A01A::GP1212A01A():iDisplayPositionX(0),iDisplayPositionY(0),iOffScreenMode(true)
sl@23: 	{
sl@23: 	}
sl@23: 
sl@10: int GP1212A01A::Open()
sl@10: 	{
sl@10: 	int success = HidDevice::Open(KFutabaVendorId,KFutabaProductIdGP1212A01A,NULL);
sl@10: 	if (success)
sl@10: 		{
sl@10: 		SetNonBlocking(1);
sl@23: 		//Since we can't get our display position we for it to our default
sl@23: 		//This makes sure frames are in sync from the start
sl@23: 		SetDisplayPosition(iDisplayPositionX,iDisplayPositionY);
sl@10: 		}
sl@10: 	return success;
sl@10: 	}
sl@10: 
sl@10: /**
sl@10: */
sl@23: void GP1212A01A::SetPixel(unsigned char aX, unsigned char aY, bool aOn)
sl@10: 	{
sl@10: 	//Just specify a one pixel block
sl@10: 	SetPixelBlock(aX,aY,0x00,0x01,aOn);
sl@10: 	}
sl@10: 
sl@10: /**
sl@23: Set all pixels on our screen to the desired value.
sl@23: This operation is performed off screen to avoid tearing.
sl@23: @param 8 pixels pattern
sl@10: */
sl@23: void GP1212A01A::SetAllPixels(unsigned char aPattern)
sl@10: 	{
sl@23: 	//With a single buffer
sl@23: 	//unsigned char screen[2048]; //One screen worth of pixels
sl@23: 	//memset(screen,0xFF,sizeof(screen));
sl@23: 	//SetPixelBlock(0,0,63,sizeof(screen),screen);
sl@10: 
sl@23: 	//Using pattern SetPixelBlock variant.
sl@23: 	SetPixelBlock(0,0,63,FrameBufferSizeInBytes(),aPattern);
sl@10: 	}
sl@10: 
sl@10: /**
sl@23: Set our screen brightness.
sl@23: @param The desired brightness level. Must be between MinBrightness and MaxBrightness.
sl@10: */
sl@10: void GP1212A01A::SetBrightness(int aBrightness)
sl@18:     {
sl@18: 	if (aBrightness<MinBrightness()||aBrightness>MaxBrightness())
sl@18:         {
sl@18:         //Brightness out of range.
sl@18:         //Just ignore that request.
sl@18:         return;
sl@18:         }
sl@18: 
sl@18:     FutabaVfdReport report;
sl@18:     report[0]=0x00; //Report ID
sl@18:     report[1]=0x06; //Report size
sl@18:     report[2]=0x1B; //Command ID
sl@18:     report[3]=0x5C; //Command ID
sl@18:     report[4]=0x3F; //Command ID
sl@18:     report[5]=0x4C; //Command ID
sl@18:     report[6]=0x44; //Command ID
sl@18:     report[7]=0x30+aBrightness; //Brightness level
sl@18:     Write(report);
sl@18: 
sl@10: 	}
sl@10: 
sl@10: /**
sl@10: Set the defined pixel block to the given value.
sl@10: @param X coordinate of our pixel block starting point.
sl@10: @param Y coordinate of our pixel block starting point.
sl@10: @param The height of our pixel block.
sl@10: @param The size of our pixel data. Number of pixels divided by 8.
sl@20: @param The value set to 8 pixels used as a pattern.
sl@10: */
sl@23: void GP1212A01A::SetPixelBlock(unsigned char aX, unsigned char aY, int aHeight, int aSize, unsigned char aValue)
sl@10: 	{
sl@23: 	OffScreenTranslation(aX,aY);
sl@23:     FutabaVfdReport report;
sl@23:     report[0]=0x00; //Report ID
sl@23:     report[1]=(aSize<=report.Size()-10?aSize+0x08:64); //Report length. -10 is for our header first 10 bytes. +8 is for our Futaba header size
sl@23:     report[2]=0x1B; //Command ID
sl@23:     report[3]=0x5B; //Command ID
sl@23:     report[4]=0xF0; //Command ID
sl@23:     report[5]=aX;   //X
sl@23:     report[6]=aY;   //Y
sl@23:     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.
sl@23: 	report[8]=aSize>>8; //Size of pixel data in bytes (MSB)
sl@23: 	report[9]=aSize;	//Size of pixel data in bytes (LSB)
sl@23:     int sizeWritten=MIN(aSize,report.Size()-10);
sl@23:     memset(report.Buffer()+10, aValue, sizeWritten);
sl@23:     Write(report);
sl@23: 
sl@23:     int remainingSize=aSize;
sl@23:     //We need to keep on sending our pixel data until we are done
sl@23:     while (report[1]==64)
sl@23:         {
sl@23:         report.Reset();
sl@23:         remainingSize-=sizeWritten;
sl@23:         report[0]=0x00; //Report ID
sl@23:         report[1]=(remainingSize<=report.Size()-2?remainingSize:64); //Report length, should be 64 or the remaining size
sl@23:         sizeWritten=(report[1]==64?63:report[1]);
sl@23:         memset(report.Buffer()+2, aValue, sizeWritten);
sl@23:         Write(report);
sl@23:         }
sl@10: 	}
sl@10: 
sl@20: /**
sl@20: Set the defined pixel block to the given value.
sl@20: @param X coordinate of our pixel block starting point.
sl@20: @param Y coordinate of our pixel block starting point.
sl@20: @param The height of our pixel block.
sl@20: @param The size of our pixel data. Number of pixels divided by 8.
sl@20: @param Pointer to our pixel data.
sl@20: */
sl@23: void GP1212A01A::SetPixelBlock(unsigned char aX, unsigned char aY, int aHeight, int aSize, unsigned char* aPixels)
sl@20:     {
sl@23: 	OffScreenTranslation(aX,aY);
sl@20:     FutabaVfdReport report;
sl@20:     report[0]=0x00; //Report ID
sl@23:     report[1]=(aSize<=report.Size()-10?aSize+0x08:64); //Report length. -10 is for our header first 10 bytes. +8 is for our Futaba header size
sl@20:     report[2]=0x1B; //Command ID
sl@20:     report[3]=0x5B; //Command ID
sl@20:     report[4]=0xF0; //Command ID
sl@20:     report[5]=aX;   //X
sl@20:     report[6]=aY;   //Y
sl@20:     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.
sl@23: 	report[8]=aSize>>8; //Size of pixel data in bytes (MSB)
sl@23: 	report[9]=aSize;	//Size of pixel data in bytes (LSB)
sl@20:     int sizeWritten=MIN(aSize,report.Size()-10);
sl@20:     memcpy(report.Buffer()+10, aPixels, sizeWritten);
sl@20:     Write(report);
sl@20: 
sl@20:     int remainingSize=aSize;
sl@20:     //We need to keep on sending our pixel data until we are done
sl@20:     while (report[1]==64)
sl@20:         {
sl@20:         report.Reset();
sl@20:         remainingSize-=sizeWritten;
sl@20:         report[0]=0x00; //Report ID
sl@23:         report[1]=(remainingSize<=report.Size()-2?remainingSize:64); //Report length, should be 64 or the remaining size
sl@20:         sizeWritten=(report[1]==64?63:report[1]);
sl@20:         memcpy(report.Buffer()+2, aPixels+(aSize-remainingSize), sizeWritten);
sl@20:         Write(report);
sl@20:         }
sl@20:     }
sl@20: 
sl@10: 
sl@10: /**
sl@19: Clear our display's screen.
sl@23: This operation is performed off screen to avoid tearing.
sl@10: */
sl@10: void GP1212A01A::Clear()
sl@10: 	{
sl@23: 	//Using pattern SetPixelBlock variant.
sl@23: 	//First fill our off screen buffer with the desired values
sl@23: 	SetPixelBlock(0,0,63,FrameBufferSizeInBytes(),(unsigned char)0x00);
sl@23: 	}
sl@23: 
sl@23: /**
sl@23: Using this function is advised against as is causes tearing.
sl@23: Use Clear instead.
sl@23: */
sl@23: void GP1212A01A::SendClearCommand()
sl@23: 	{
sl@21:     //1BH,5BH,32H,4AH
sl@21:     //Send Clear Display Command
sl@10: 	FutabaVfdReport report;
sl@10: 	report[0]=0x00; //Report ID
sl@10: 	report[1]=0x04; //Report length
sl@19: 	report[2]=0x1B; //Command ID
sl@19: 	report[3]=0x5B; //Command ID
sl@19: 	report[4]=0x32; //Command ID
sl@19: 	report[5]=0x4A; //Command ID
sl@10: 	Write(report);
sl@19: 	}
sl@19: 
sl@19: /**
sl@21: Change our display position within our buffer.
sl@21: */
sl@23: void GP1212A01A::SetDisplayPosition(DW aDw,unsigned char aX, unsigned char aY)
sl@21:     {
sl@21:     //1BH,5BH,Dw,Px,Py
sl@21:     //Send Display Position Settings Command
sl@21:     FutabaVfdReport report;
sl@21:     report[0]=0x00; //Report ID
sl@21:     report[1]=0x05; //Report length
sl@21:     report[2]=0x1B; //Command ID
sl@21:     report[3]=0x5B; //Command ID
sl@21:     report[4]=aDw;  //Specify our DW
sl@21:     report[5]=aX;   //X coordinate of our DW top-left corner
sl@22:     report[6]=aY;   //Y coordinate of our DW top-left corner
sl@21:     Write(report);
sl@21:     }
sl@21: 
sl@21: /**
sl@22: Change our display position within our buffer.
sl@22: */
sl@23: void GP1212A01A::SetDisplayPosition(unsigned char aX, unsigned char aY)
sl@22: 	{
sl@22: 	//Specs apparently says both DW should remain the same
sl@22: 	//Just don't ask
sl@22:     SetDisplayPosition(GP1212A01A::DW1,aX,aY);
sl@22:     SetDisplayPosition(GP1212A01A::DW2,aX,aY);
sl@23: 	iDisplayPositionX=aX;
sl@23: 	iDisplayPositionY=aY;
sl@23: 	}
sl@23: 
sl@23: /**
sl@23: Provide Y coordinate of our off screen buffer.
sl@23: */
sl@23: unsigned char GP1212A01A::OffScreenY() const
sl@23: 	{
sl@23: 	//Overflowing is fine this is just what we want
sl@23: 	return iDisplayPositionY+HeightInPixels();
sl@23: 	}
sl@23: 
sl@23: /**
sl@23: Put our off screen buffer on screen.
sl@23: On screen buffer goes off screen.
sl@23: */
sl@23: void GP1212A01A::SwapBuffers()
sl@23: 	{
sl@23: 	//Only perform buffer swapping if off screen mode is enabled
sl@23: 	if (OffScreenMode())
sl@23: 		{
sl@23: 		SetDisplayPosition(iDisplayPositionX,OffScreenY());
sl@23: 		}
sl@23: 	}
sl@23: 
sl@23: /**
sl@23: Translate the given pixel coordinate according to our off screen mode.
sl@23: */
sl@23: void GP1212A01A::OffScreenTranslation(unsigned char& aX, unsigned char& aY)
sl@23: 	{
sl@23: 	if (OffScreenMode())
sl@23: 		{
sl@23: 		aX+=WidthInPixels()-iDisplayPositionX;
sl@23: 		aY+=HeightInPixels()-iDisplayPositionY;
sl@23: 		}
sl@22: 	}
sl@22: /**
sl@19: */
sl@19: void GP1212A01A::RequestId()
sl@19:     {
sl@19:     //1BH,5BH,63H,49H,44H
sl@19:     //Send Read ID command
sl@19:     FutabaVfdReport report;
sl@19:     report[0]=0x00; //Report ID
sl@19:     report[1]=0x05; //Report length
sl@19:     report[2]=0x1B; //Command ID
sl@19:     report[3]=0x5B; //Command ID
sl@19:     report[4]=0x63; //Command ID
sl@19:     report[5]=0x49; //Command ID
sl@19:     report[6]=0x44; //Command ID
sl@19:     Write(report);
sl@19:     }
sl@19: 
sl@19: /**
sl@19: */
sl@19: void GP1212A01A::RequestFirmwareRevision()
sl@19:     {
sl@19:     //1BH,5BH,63H,46H,52H
sl@19:     //Send Software Revision Read Command
sl@19:     FutabaVfdReport report;
sl@19:     report[0]=0x00; //Report ID
sl@19:     report[1]=0x05; //Report length
sl@19:     report[2]=0x1B; //Command ID
sl@19:     report[3]=0x5B; //Command ID
sl@19:     report[4]=0x63; //Command ID
sl@19:     report[5]=0x46; //Command ID
sl@19:     report[6]=0x52; //Command ID
sl@19:     Write(report);
sl@19:     }
sl@19: 
sl@19: /**
sl@19: */
sl@19: void GP1212A01A::RequestPowerSupplyStatus()
sl@19:     {
sl@19:     //1BH,5BH,63H,50H,4DH
sl@19:     //Send Power Suppply Monitor Command
sl@19:     FutabaVfdReport report;
sl@19:     report[0]=0x00; //Report ID
sl@19:     report[1]=0x05; //Report length
sl@19:     report[2]=0x1B; //Command ID
sl@19:     report[3]=0x5B; //Command ID
sl@19:     report[4]=0x63; //Command ID
sl@19:     report[5]=0x50; //Command ID
sl@19:     report[6]=0x4D; //Command ID
sl@19:     Write(report);
sl@23:     }
sl@23: 
sl@23: 
sl@23: /**
sl@23: This is for development purposes only.
sl@23: Production application should stick to off-screen mode to avoid tearing.
sl@23: */
sl@23: void GP1212A01A::ToggleOffScreenMode()
sl@23: 	{
sl@23: 	iOffScreenMode=!iOffScreenMode;
sl@23: 	//Clean up our buffers upon switching modes	
sl@23: 	SetDisplayPosition(0,0);
sl@23: 	Clear();
sl@23: 	SwapBuffers();
sl@23: 	Clear();
sl@23: 	}