#include <avr/io.h>
#include <util/delay.h>
#define F_CPU 8000000UL

#define CD_High PORTD |= (1<<PORTD6) 
#define CD_Low PORTD &= ~(1<<PORTD6)
#define Dummy Send_Kommando(0x00)

void settings_SPI (void)
{
	
	DDRB = (1<<PORTB3)|(1<<PORTB5)|(1<<PORTB2);
	
	SPCR = (1<<SPE)|(1<<MSTR)|(1<<SPR0);
	SPSR|= (1<<SPI2X);
	
	DDRD = (1<<PORTD6) | (1<<PORTD4) | (1<<PORTD7);
	PORTD |= (1<<PORTD7);
	
};
void Send_Kommando (uint8_t cData)
{
	CD_Low;
	PORTB &= ~(1<<PORTB2);
	{
	// Start transmission //
	SPDR = cData;
	// Wait for transmission complete //
	}
	while(!(SPSR & (1<<SPIF)));
	PORTB |= (1<<PORTB2);	
}
void Send_Daten (uint8_t cData)
{
	CD_High;
	PORTB &= ~(1<<PORTB2);
	{
		// Start transmission //
		SPDR = cData;
		// Wait for transmission complete //
	}
	while(!(SPSR & (1<<SPIF)));
	PORTB |= (1<<PORTB2);
}
void settings_LCD(void)
{
	_delay_ms(150);
	PORTD |= (1<<PORTD4);
	_delay_us(100);
	PORTD &= ~(1<<PORTD4);
	_delay_us(11);
	PORTD |= (1<<PORTD4);
	_delay_ms(130);
	
	Send_Kommando(0x01);
	_delay_ms(10);
	
	Send_Kommando(0xCB);//Power control A
	Send_Daten(0x39);
	Send_Daten(0x2C);
	Send_Daten(0x00);
	Send_Daten(0x34);
	Send_Daten(0x02);

	Send_Kommando(0xCF);//Power control B
	Send_Daten(0x00);
	Send_Daten(0XC1);
	Send_Daten(0X30);

	Send_Kommando(0xE8);//Driver timing control A
	Send_Daten(0x85);
	Send_Daten(0x00);
	Send_Daten(0x78);

	Send_Kommando(0xEA);//Driver timing control B
	Send_Daten(0x00);
	Send_Daten(0x00);

	Send_Kommando(0xED);//Power on sequence control
	Send_Daten(0x64);
	Send_Daten(0x03);
	Send_Daten(0X12);
	Send_Daten(0X81);

	Send_Kommando(0xF7);//Enable 3G
	Send_Daten(0x20);

	Send_Kommando(0xC0);    //Power control
	Send_Daten(0x23);   //VRH[5:0]

	Send_Kommando(0xC1);    //Power control
	Send_Daten(0x10);   //SAP[2:0];BT[3:0]

	Send_Kommando(0xC5);    //VCM control
	Send_Daten(0x3e);   //Contrast
	Send_Daten(0x28);

	Send_Kommando(0xC7);    //VCM control2
	Send_Daten(0x86);   //--

	Send_Kommando(0x36);    // Memory Access Control
	Send_Daten(0x48);   //C8

	Send_Kommando(0x3A);//COLMOD: Pixel Format Set
	Send_Daten(0x55);

	Send_Kommando(0xB1);//Frame Rate Control (In Normal Mode/Full Colors)
	Send_Daten(0x00);
	Send_Daten(0x18);

	Send_Kommando(0xB6);    // Display Function Control
	Send_Daten(0x08);
	Send_Daten(0x82);
	Send_Daten(0x27);
	
	Send_Kommando(0x11);	//Sleep Out
	_delay_ms(120);
	Send_Kommando(0x29); // Display ON
}
void koordinaten (unsigned int x1,unsigned int y1,unsigned int x2,unsigned int y2)
{
	 Send_Kommando(0x2A);
	 Send_Daten(x1>>8);
	 Send_Daten(x1);
	 Send_Daten(x2>>8);
	 Send_Daten(x2);

	 Send_Kommando(0x2B);
	 Send_Daten(y1>>8);
	 Send_Daten(y1);
	 Send_Daten(y2>>8);
	 Send_Daten(y2);

	 Send_Kommando(0x2C);
}
void paint(uint8_t T)
{
	int i,j;
	koordinaten(0,0,240,320);
	for(i=0;i<320;i++)
	{
		for (j=0;j<480;j++)
		{
			Send_Daten(T);
		}
	}
}

int main(void)
{
	settings_SPI();
	settings_LCD();
	
	
while (1)
{
	  paint(0xF0);
	  paint(0xE0);
	  paint(0x05);
	  paint(0x1F);
	}	
}