main.i

这是一些很常用的c51程序

#line 1 "main.c"

#line 9 "main.c"

#line 1 "E:\李老三资料\avr单片机相关\avr单片机\pckeyboard和单片机连接/kb.h"












void InitKeyBoard(void);
interrupt [EXT_INT0] void INT0_interrupt(void);
void decode(unsigned char sc);
void put_kbbuff(unsigned char c);
int getchar_kb(void);
void print_hexbyte(unsigned char i);


#line 12 "main.c"



#asm
   .equ __lcd_port=0x15
#endasm



void main(void)
{


    unsigned char key;



PORTA=0x00;
DDRA=0x00;


PORTB=0x00;
DDRB=0x00;


PORTC=0x00;
DDRC=0x00;


PORTD=0x00;
DDRD=0x00;






TCCR0=0x00;
TCNT0=0x00;









TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;






TCCR2=0x00;
ASSR=0x00;
TCNT2=0x00;
OCR2=0x00;




GIMSK= 0x40;
MCUCR=0x00;


TIMSK=0x00;




ACSR=0x80;



 lcd_init(16);

 InitKeyBoard();

 while(1)
    {
        key = getchar_kb();
        lcd_putchar(key);
        delay_ms(5);

    }

}