/*******************************************************************************

* Copyright (c) 2009 Accenture

* All rights reserved. This program and the accompanying materials

* are made available under the terms of the Eclipse Public License v1.0

* which accompanies this distribution, and is available at

* http://www.eclipse.org/legal/epl-v10.html

*

* Contributors:

* Accenture - Johnathan White

*******************************************************************************/

// SymbianLogo.cpp

#include <e32std.h>

#include <e32cons.h>

#include <f32file.h>

#include <hal.h>

#include <S32FILE.H> 

void SetupConsoleL();

void DisplayLogoL(CConsoleBase* aConsole);

CConsoleBase* console;

GLDEF_C TInt E32Main()									

    {

	CTrapCleanup* cleanup=CTrapCleanup::New();			

	TRAPD(error,SetupConsoleL());	

	if(error)

		RDebug::Printf("SymbianLogo SetupError %d", error);

	delete cleanup;										

	return 0;									

    }

void SetupConsoleL()									

    {

	console=Console::NewL(_L("SymbianLogo"),

	TSize(KConsFullScreen,KConsFullScreen));

	CleanupStack::PushL(console);

	TRAPD(error,DisplayLogoL(console));					

	if(error)

		RDebug::Printf("SymbianLogo DisplayLogo Error %d", error);

	CleanupStack::PopAndDestroy();						

    }

GLDEF_C void DisplayLogoL(CConsoleBase* aConsole)

    {

	TInt err =KErrNone;

	//Connect to FileServer

    RFs fs;

    err = fs.Connect();

	User::LeaveIfError(err);

	//Open file 

	/*

	File \sf\adaptation\qemu\baseport\syborg\syborg.dts contains board model description, the hostfs@0 block defines both the host path

	and target drive. The hostpath is by default set to \svphostfs\ and default drive number is 19 (S:\). If you would like to change this 

	edit the dts file and use arm-none-symbianelf-dtc.exe to create updated dtb file

	*/

    RFile file; 

    err = file.Open(fs, _L("S:\\symbian_logo.bmp"), EFileRead);

	User::LeaveIfError(err);

	//Use to read stream from file on HostFs, first 54 bytes are header so skip

	/*

	symbian_logo.bmp is a 480*480 bmp file

	*/

    RFileReadStream filestream(file, 54);

	//Obtain base address of framebuffer which will copy bitmap data into to display

    TInt iScreenAddress;

    HAL::Get(HAL::EDisplayMemoryAddress, iScreenAddress);

	TUint8* pointer = (TUint8*)iScreenAddress;

    pointer+=640*479*4; //bitmap is 480*480 where as display is 640 *640, start by incrementing display pointer to last line required

	for(TInt i=0;i<480;i++)

		{

		for(TInt j=0;j<1920;j++)

    		{

			*pointer = filestream.ReadUint8L(); //reads byte from file into correct offset in framebuffer

			pointer++;

    		}

		pointer-=1920; //decrement over offset between each line

		pointer-=640*4; //decrement to start of next line    

	}

    //Wait for User to press key then return

	aConsole->Getch();

	return;

	}