#define command_oled	 	0x00


	//==================================== OSRAM INIT  ============================================

// Set Column Address
	WriteCommand(0x15);
	WriteCommand(0x00);
	WriteCommand(0x3F);

// Set Row Address
	WriteCommand(0x75);
	WriteCommand(0x00);
	WriteCommand(0x3F);

	// Set Current Range
	WriteCommand(0x86);

// Set Contrast Control
	WriteCommand(0x81);
	WriteCommand(0x66);	

// Set Re-map
	WriteCommand(0xA0);
	WriteCommand(0x40);

// Set Display Start Line
	WriteCommand(0xA1);
	WriteCommand(0x00);

// Set Display Offset
	WriteCommand(0xA2);
	WriteCommand(0x44);

// Set Display Mode
	WriteCommand(0xA4);

// Set Multiplex ratio
	WriteCommand(0xA8);
	WriteCommand(0x3F);

// Set Phase Length
	WriteCommand(0xB1);
	WriteCommand(0x22);

// Set Row Period
	WriteCommand(0xB2);
	WriteCommand(0x46);

// Set Clock Divide
	WriteCommand(0xB3);
	WriteCommand(0x91);

// Set VSL
	WriteCommand(0xBF);
	WriteCommand(0x0D);

// Set VcomH
	WriteCommand(0xBE);
	WriteCommand(0x02);

// Set Vp
	WriteCommand(0xBC);
	WriteCommand(0x04);

	// Set Gray Scale Table
	WriteCommand(0xB8);
	WriteCommand(0x01);
	WriteCommand(0x11);
	WriteCommand(0x22);
	WriteCommand(0x32);
	WriteCommand(0x43);
	WriteCommand(0x54);
	WriteCommand(0x65);
	WriteCommand(0x76);

// Set DC-DC-Converter
	WriteCommand(0xAD);
	WriteCommand(0x02);

// Display ON
	WriteCommand(0xAF);

	ClearDisplay(0);

	CS_n =0;
	WR_n = 1;
}

// =================== Ende InitOLED() ==========================



// ==============================================================

//====================================WRITE COMMAND =============================================
void WriteCommand(unsigned char command)
{
	DC_n = command_oled;
	RD_n = 1;
	WR_n = 1;
	p0 = command;	// Ausgabe auf PORT
	WR_n=0;
	WR_n=1;
}





//========================== CLEAR DISPLAY ==============================================
void ClearDisplay(unsigned char grayScale)
{
	int  index;
	

// Column Address
	WriteCommand(0x15);
	WriteCommand(0x00);
	WriteCommand(0x3F);

// Row Address
	WriteCommand(0x75);
	WriteCommand(0x00);
	WriteCommand(0x3F);

	DC_n =1;
	CS_n =0;
	for(index =0; index < 4096; index++)
	{
		p0 = grayScale;
		WR_n=0;
		WR_n=1;
	}
	DC_n = 0;
}