void lcd_init(void)
{
	LCD_PORT |= _BV(LCD_CS);	 	
	LCD_DIR |= _BV(LCD_CS);		 	
	port_init_io();
	
	wrtab(init1, 24);
	_delay_ms(7);
	wrtab(init2, 40);
	_delay_ms(50);
	wrtab(init3, 2);
	
	LCD_PORT &= ~_BV(LCD_CS);	// select Display
	
	lcd_wrcmd(0xEF);
	lcd_wrcmd(0x90);
	lcd_wrcmd(0x00);
	lcd_wrcmd(0x00);
}

void port_init_io(void)
{
	LCD_PORT &= ~_BV(LCD_RESET);
	LCD_DIR |= _BV(LCD_RESET);	
	LCD_DIR |= _BV(LCD_DAT);	 	
	LCD_PORT |= _BV(LCD_CS);	 	
	LCD_DIR |= _BV(LCD_CS);		 	

	LCD_PORT &= ~_BV(LCD_CLK);	 
	LCD_DIR |= _BV(LCD_CLK);	 	

	LCD_PORT |= _BV(LCD_RS);	 	
	LCD_DIR |= _BV(LCD_RS);		 	
	_delay_ms(50);
	
	LCD_PORT |= _BV(LCD_RESET);		
	
	_delay_ms(10);
	SPSR |=(1<<SPI2X); 
	SPCR = (1<<SPE)|(1<<MSTR); 		// Enable SPI, Master, set clock rate fck/2
}

void lcd_wrdata(char data)
{
	LCD_PORT &= ~_BV(LCD_CS);							// select Display
	LCD_PORT &= ~_BV(LCD_RS);							// clear RS line
	SPDR = data;										// send out data
	while(!(SPSR & (1<<SPIF))) ;						// wait until sent
	
	LCD_PORT |= _BV(LCD_CS);							// deselect Display
}

void lcd_wrcmd(char data)
{
	LCD_PORT &= ~_BV(LCD_CS);							// select Display
	LCD_PORT |= _BV(LCD_RS);							// set RS line

	SPDR = data;										// send out data
	while(!(SPSR & (1<<SPIF))) ;						// wait until sent
		
	LCD_PORT |= _BV(LCD_CS);							// deselect Display
}

void lcd_clrscr(void)
{
	uint16_t cnt;
	lcd_wrcmd(0xEF);
	lcd_wrcmd(0x90);
	lcd_wrcmd(0x05);
	lcd_wrcmd(0x00);
	lcd_wrcmd(0x06);
	lcd_wrcmd(0x00);
	lcd_wrcmd(0x07);
	lcd_wrcmd(0x00);
	for(cnt=0;cnt<(132*176);cnt++)
	{
		lcd_wrdata(0xff);
		lcd_wrdata(0xff);
	}
}