好吧，不得不承認，我使用飛思卡爾的XS128單片機已經(jīng)非常之習慣了，結果一上手atmega8，最令我反感的就是atmega8不能對IO引腳進行操作，非要用些繁瑣的位操作。我就不，我就要像飛思卡爾那樣操作。。。

于是。。。。。

把我寫的下面這個頭文件塞到winavr目錄的include/avr中，并在io.h頭文件的最后包含這個頭文件。

嘿嘿，一切變得是那么的親切與熟悉。。。。。。

/***********************************************************

* 函數(shù)庫說明：ATMEGE8

* 版本： v1.0

*

************************************************************

*注意： 無

***********************************************************/

#ifndef _BIT_

#define _BIT_

//定義一個8字節(jié)的位段 bit0~7是每個位段名稱 1代表一位 PBIT就是整個位段的名稱

typedef struct

{

unsigned bit0 : 1 ;

unsigned bit1 : 1 ;

unsigned bit2 : 1 ;

unsigned bit3 : 1 ;

unsigned bit4 : 1 ;

unsigned bit5 : 1 ;

unsigned bit6 : 1 ;

unsigned bit7 : 1 ;

}PBIT;

//強制轉(zhuǎn)換

#define PORTABIT (*(volatile PBIT *)0x3B)

#define DDRABIT (*(volatile PBIT *)0x3A)

#define PINABIT (*(volatile PBIT *)0x39)

#define PORTBBIT (*(volatile PBIT *)0x38)

#define DDRBBIT (*(volatile PBIT *)0x37)

#define PINBBIT (*(volatile PBIT *)0x36)

#define PORTCBIT (*(volatile PBIT *)0x35)

#define DDRCBIT (*(volatile PBIT *)0x34)

#define PINCBIT (*(volatile PBIT *)0x33)

#define PORTDBIT (*(volatile PBIT *)0x32)

#define DDRDBIT (*(volatile PBIT *)0x31)

#define PINDBIT (*(volatile PBIT *)0x30)

//繼續(xù)封裝

#define PORTA_PA0 PORTABIT.bit0

#define PORTA_PA1 PORTABIT.bit1

#define PORTA_PA2 PORTABIT.bit2

#define PORTA_PA3 PORTABIT.bit3

#define PORTA_PA4 PORTABIT.bit4

#define PORTA_PA5 PORTABIT.bit5

#define PORTA_PA6 PORTABIT.bit6

#define PORTA_PA7 PORTABIT.bit7

#define PORTB_PB0 PORTBBIT.bit0

#define PORTB_PB1 PORTBBIT.bit1

#define PORTB_PB2 PORTBBIT.bit2

#define PORTB_PB3 PORTBBIT.bit3

#define PORTB_PB4 PORTBBIT.bit4

#define PORTB_PB5 PORTBBIT.bit5

#define PORTB_PB6 PORTBBIT.bit6

#define PORTB_PB7 PORTBBIT.bit7

#define PORTC_PC0 PORTCBIT.bit0

#define PORTC_PC1 PORTCBIT.bit1

#define PORTC_PC2 PORTCBIT.bit2

#define PORTC_PC3 PORTCBIT.bit3

#define PORTC_PC4 PORTCBIT.bit4

#define PORTC_PC5 PORTCBIT.bit5

#define PORTC_PC6 PORTCBIT.bit6

#define PORTC_PC7 PORTCBIT.bit7

#define PORTD_PD0 PORTDBIT.bit0

#define PORTD_PD1 PORTDBIT.bit1

#define PORTD_PD2 PORTDBIT.bit2

#define PORTD_PD3 PORTDBIT.bit3

#define PORTD_PD4 PORTDBIT.bit4

#define PORTD_PD5 PORTDBIT.bit5

#define PORTD_PD6 PORTDBIT.bit6

#define PORTD_PD7 PORTDBIT.bit7

//**********************

#define DDRA_DDRA0 DDRABIT.bit0

#define DDRA_DDRA1 DDRABIT.bit1

#define DDRA_DDRA2 DDRABIT.bit2

#define DDRA_DDRA3 DDRABIT.bit3

#define DDRA_DDRA4 DDRABIT.bit4

#define DDRA_DDRA5 DDRABIT.bit5

#define DDRA_DDRA6 DDRABIT.bit6

#define DDRA_DDRA7 DDRABIT.bit7

#define DDRB_DDRB0 DDRBBIT.bit0

#define DDRB_DDRB1 DDRBBIT.bit1

#define DDRB_DDRB2 DDRBBIT.bit2

#define DDRB_DDRB3 DDRBBIT.bit3

#define DDRB_DDRB4 DDRBBIT.bit4

#define DDRB_DDRB5 DDRBBIT.bit5

#define DDRB_DDRB6 DDRBBIT.bit6

#define DDRB_DDRB7 DDRBBIT.bit7

#define DDRC_DDRC0 DDRCBIT.bit0

#define DDRC_DDRC1 DDRCBIT.bit1

#define DDRC_DDRC2 DDRCBIT.bit2

#define DDRC_DDRC3 DDRCBIT.bit3

#define DDRC_DDRC4 DDRCBIT.bit4

#define DDRC_DDRC5 DDRCBIT.bit5

#define DDRC_DDRC6 DDRCBIT.bit6

#define DDRC_DDRC7 DDRCBIT.bit7

#define DDRD_DDRD0 DDRDBIT.bit0

#define DDRD_DDRD1 DDRDBIT.bit1

#define DDRD_DDRD2 DDRDBIT.bit2

#define DDRD_DDRD3 DDRDBIT.bit3

#define DDRD_DDRD4 DDRDBIT.bit4

#define DDRD_DDRD5 DDRDBIT.bit5

#define DDRD_DDRD6 DDRDBIT.bit6

#define DDRD_DDRD7 DDRDBIT.bit7

//*****************

#define PINA_PA0 PINABIT.bit0

#define PINA_PA1 PINABIT.bit1

#define PINA_PA2 PINABIT.bit2

#define PINA_PA3 PINABIT.bit3

#define PINA_PA4 PINABIT.bit4

#define PINA_PA5 PINABIT.bit5

#define PINA_PA6 PINABIT.bit6

#define PINA_PA7 PINABIT.bit7

#define PINB_PB0 PINBBIT.bit0

#define PINB_PB1 PINBBIT.bit1

#define PINB_PB2 PINBBIT.bit2

#define PINB_PB3 PINBBIT.bit3

#define PINB_PB4 PINBBIT.bit4

#define PINB_PB5 PINBBIT.bit5

#define PINB_PB6 PINBBIT.bit6

#define PINB_PB7 PINBBIT.bit7

#define PINC_PC0 PINCBIT.bit0

#define PINC_PC1 PINCBIT.bit1

#define PINC_PC2 PINCBIT.bit2

#define PINC_PC3 PINCBIT.bit3

#define PINC_PC4 PINCBIT.bit4

#define PINC_PC5 PINCBIT.bit5

#define PINC_PC6 PINCBIT.bit6

#define PINC_PC7 PINCBIT.bit7

#define PIND_PD0 PINDBIT.bit0

#define PIND_PD1 PINDBIT.bit1

#define PIND_PD2 PINDBIT.bit2

#define PIND_PD3 PINDBIT.bit3

#define PIND_PD4 PINDBIT.bit4

#define PIND_PD5 PINDBIT.bit5

#define PIND_PD6 PINDBIT.bit6

#define PIND_PD7 PINDBIT.bit7

#endif