rgb_interface_init_2_8.txt

CMEL奇美光电2.8寸OLED屏的SPI初始化程序 配置为RGB工作模式

//==========OLED 2.4"  parallel 24 bits RGB interface==========//

#define S6E63D6_ID	0x70	//0111,0 ID RS R/W

void SPI_Write_Command(uWORD wAddr)
{
	uCHAR j,k;
	uCHAR	StartByte=S6E63D6_ID;

	Set_SPIEN_Low;
	for(j = 0; j < SPI_SHORT_TIME; j++) ;

	Set_SPISCK_High;                    //make sure SCk is High
	for(j = 0; j < SPI_SHORT_TIME; j++) ;
	for(k=0; k<8; k++)			//send start byte
	{
		Set_SPISCK_Low;

		if(StartByte&0x80) 	Set_SPISDA_High;
		else				Set_SPISDA_Low;
		for(j = 0; j < SPI_SHORT_TIME; j++) ;

		Set_SPISCK_High;
		for(j = 0; j < SPI_SHORT_TIME; j++);

		StartByte<<=1;
	}

	for(k = 0; k < 16; k++)		//send 16 bits data
	{
		Set_SPISCK_Low;

		if(wAddr&0x8000) 		Set_SPISDA_High;
		else					Set_SPISDA_Low;
		for(j = 0; j < SPI_SHORT_TIME; j++) ;

		Set_SPISCK_High;
		for(j = 0; j < SPI_SHORT_TIME; j++);

		wAddr<<=1;
	}	

	Set_SPISDA_High;
	for(j = 0; j < SPI_SHORT_TIME; j++);
	Set_SPIEN_High;
	for(j = 0; j < SPI_SHORT_TIME; j++);
}


void SPI_Write_Data(uWORD wData)
{
	uCHAR j,k;
	uCHAR	StartByte=(S6E63D6_ID|0x02);

	Set_SPIEN_Low;
	for(j = 0; j < SPI_SHORT_TIME; j++) ;

	Set_SPISCK_High;                    //make sure SCk is High
	for(j = 0; j < SPI_SHORT_TIME; j++) ;
	for(k=0; k<8; k++)			//send start byte
	{
		Set_SPISCK_Low;
		
		if(StartByte&0x80) 	Set_SPISDA_High;
		else				Set_SPISDA_Low;
		for(j = 0; j < SPI_SHORT_TIME; j++) ;

		Set_SPISCK_High;
		for(j = 0; j < SPI_SHORT_TIME; j++);

		StartByte<<=1;
	}
	
	for(k = 0; k < 16; k++)		//send 16 bits data
	{
		Set_SPISCK_Low;
		
		if(wData&0x8000) 	Set_SPISDA_High;
		else				Set_SPISDA_Low;
		for(j = 0; j < SPI_SHORT_TIME; j++) ;

		Set_SPISCK_High;
		for(j = 0; j < SPI_SHORT_TIME; j++);

		wData<<=1;
	}	

	Set_SPISDA_High;
	for(j = 0; j < SPI_SHORT_TIME; j++);
	Set_SPIEN_High;
	for(j = 0; j < SPI_SHORT_TIME; j++);
}


void SPI_Write_Register(uWORD wAddr, uWORD wData)
{
	SPI_Write_Command(wAddr);
	SPI_Write_Data(wData);	
}

void CMEL_DriverIC_Initial(void)
{
	//===========Gamma Setting ===============//
	SPI_Write_Register(0x0070, 0x2580);	
	SPI_Write_Register(0x0071, 0x2780);	
	SPI_Write_Register(0x0072, 0x3380);	
	SPI_Write_Register(0x0073, 0x1d18);	
	SPI_Write_Register(0x0074, 0x1f15);	
	SPI_Write_Register(0x0075, 0x2419);
	SPI_Write_Register(0x0076, 0x1a14);	
	SPI_Write_Register(0x0077, 0x211a);	
	SPI_Write_Register(0x0078, 0x2013);

	SPI_Write_Register(0x0002, 0x0182);		//RGB interface control
	SPI_Write_Register(0x00F8, 0x0014);		//Power gen3,VGH4~VGH0
	SPI_Write_Register(0x00F9, 0x0014);		//Power gen4,VGL4~VGL0

	#ifdef VERTICAL_DISPLAY
		SPI_Write_Register(0x0003, 0x8020);		//Entry mode	
	#else
		SPI_Write_Register(0x0003, 0x8031);		//Entry mode
	#endif	
	
	SPI_Write_Register(0x0010, 0x0000); 		//Stand by mode off
	SPI_Write_Register(0x0005, 0x0001);		//Display control1, display on

	#ifdef VERTICAL_DISPLAY
		SPI_Write_Register(0x0020, 0x00ef);
		//SPI_Write_Register(0x0021, 0x013f); 
	#endif
	
	SPI_Write_Command(0x0022);				//This command is very important!

}