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

#define SetBit(x,y) (x|=y)
#define ClrBit(x,y) (x&=~y)
#define NOP()	asm("nop")

#define blink	1
#define no_blink	0
#define cursor	1
#define no_cursor	0
#define GraphicMode 1
#define TextMode 0

#define DDRData DDRB
#define DDRCtrl  DDRC
#define PORTData PORTB
#define PORTCtrl PORTC
#define PINData PINB
#define RS 0b00000001
#define E 0b00000010
#define RW 0b00000100
#define RST 0b00001000
#define CS 0b00010000
//*********************************************
void init();
void GoThenNoBusy();
void SetMode(unsigned short GraphicModeON,unsigned short blinkON, short unsigned  cursorON);
void Command(unsigned Com);
void Data(unsigned _Data);
void Print (unsigned _Data);
//**********************************************
short unsigned Busy=1;
int main()
{
	DDRCtrl=0xFF;
	DDRData=0xFF;
	init();
Print(0xCC);
Print(0xCC);
Print(0x33);
Print(0x33);
while(1)
{
NOP()	;
}
return 0;
}
//***************************************
void init()
{
	ClrBit(PORTCtrl, CS);//CS=0;
		//RESET display
	ClrBit(PORTCtrl, RST);
	_delay_ms(2);
	SetBit(PORTCtrl, RST);
	_delay_ms(2);
		//
	GoThenNoBusy();
	SetMode(GraphicMode, no_blink, no_cursor);

	Command(0x01);//
	Data(0x07);//HP=8, HP-1=7=0x07
	Command(0x02);
	Data(0x1D);//n=HP*HN, n=240 => HN=30, HN-1=29=0x1D
	Command(0x03);//
Data(0x3F);//Nx=64, Nx-1=63=0x3F 
//	Command(0x04);//
Command(0x08);
Data(0x00);
Command(0x09);
Data(0x00);
Command(0x0A);
Data(0x00);
Command(0x0B);
Data(0x00);

}
//---------------------------------------
void GoThenNoBusy()
{	
	PORTData=0x00;
	DDRData=0x00; //
	ClrBit(PORTCtrl,E);		//0
	SetBit(PORTCtrl,RW);	//1
	SetBit(PORTCtrl,RS);	//1
	NOP();
	NOP();
	SetBit(PORTCtrl,E);		//1
	Busy=1;
	NOP();
	NOP();
	_delay_us(4);	
	while (Busy) 
	{
		Busy=(0x80&PINData);
		ClrBit(PORTCtrl,E);		//0
		_delay_us(4);
		SetBit(PORTCtrl,E);		//1
		_delay_us(4);
	}
	ClrBit(PORTCtrl,E);//0
	DDRData=0xFF;
	NOP();
	NOP();
}

void SetMode(unsigned short GraphicModeON,unsigned short blinkON,unsigned short cursorON)
{
	GoThenNoBusy();
	ClrBit(PORTCtrl,E);
	SetBit(PORTCtrl,RS);//1	
	ClrBit(PORTCtrl,RW);//0
	PORTData=0x00;
	SetBit(PORTCtrl,E);//1
	_delay_us(4);
	ClrBit(PORTCtrl,E);//0

	GoThenNoBusy();
	ClrBit(PORTCtrl,RS);//=0
	SetBit(PORTData,5);//display on
	SetBit(PORTData,4);//master
	if (blinkON) SetBit(PORTData,3);
	if (cursorON) SetBit(PORTData,2);
	if (GraphicModeON) SetBit(PORTData,1);
	//ClrBit(PORTData,0);
	NOP();
	NOP();
	SetBit(PORTCtrl,E);//1
	_delay_us(4);
	ClrBit(PORTCtrl,E);//0
	_delay_us(4);
}
void Command (unsigned Com)
{
	GoThenNoBusy();
	ClrBit(PORTCtrl,E);
	SetBit(PORTCtrl,RS);//1	
	ClrBit(PORTCtrl,RW);//0
	PORTData=Com;
	NOP();
	NOP();
	SetBit(PORTCtrl,E);//1
	_delay_us(4);
	ClrBit(PORTCtrl,E);//0
	_delay_us(4);
}
void Data(unsigned _Data)
{
	GoThenNoBusy();
	ClrBit(PORTCtrl,E);
	ClrBit(PORTCtrl,RS);//0
	ClrBit(PORTCtrl,RW);//0
	PORTData=_Data;
	NOP();
	NOP();
	SetBit(PORTCtrl,E);//1
	_delay_us(4);
	ClrBit(PORTCtrl,E);
	_delay_us(4);
}
void Print( unsigned _Data)
{
Command(0x0C);
Data(_Data);
}