C++/C 玩单片机IO口

#include <intrinsics.h>

#include <stddef.h>

#include <ioavr.h>





#ifndef _BV

#define _BV(A) (1U<<(A))

#endif



#ifndef __always_inline__

#define __always_inline__ _Pragma("inline=forced") inline

#endif



typedef unsigned char uint8;



#define __AVR_GPIO_ASSIGN(A, B, C) \

__always_inline__ static void Set(void) {PORT##B |= _BV(C);}\

__always_inline__ static void Clr(void) {PORT##B &= ~_BV(C);}\

__always_inline__ static void MakeOut(void) {DDR##B |= _BV(C);}\

__always_inline__ static void MakeIn(void) {DDR##B &= ~_BV(C);}\

__always_inline__ static void MakeOutHigh(void) {Set(); MakeOut();}\

__always_inline__ static void MakeOutLow(void) {Clr(); MakeOut();}\

__always_inline__ static void MakeInHighImpedance(void) {DDR##B &= ~_BV(C); PORT##B &= ~_BV(C);}\

__always_inline__ static void MakeInPullUp(void) {DDR##B &= ~_BV(C); PORT##B |= _BV(C);}\

__always_inline__ static void Toggle(void) {PORT##B ^= _BV(C);}\

__always_inline__ static uint8 ReadIn(void) {return ((PIN##B & _BV(C)) != 0);}\

__always_inline__ static uint8 ReadOut(void) {return ((PORT##B & _BV(C)) != 0);}\

__always_inline__ static uint8 ReadDir(void) {return ((DDR##B & _BV(C)) != 0);}\

__always_inline__ static uint8 Read(void) {return ReadIn();}\

__always_inline__ static void Out(uint8 x) {(x)?(Set())Clr());}\

__always_inline__ static uint8 IsOutHigh(void) {return ReadOut();}\

__always_inline__ static uint8 IsOutLow(void) {return !ReadOut();}\



#define __AVR_GPIO_ASSIGN_POLARITY(A, B, C,X) \

__AVR_GPIO_ASSIGN(A, B, C)\

__always_inline__ static void On(void) { (X)?(Set())Clr());}\

__always_inline__ static void Off(void) {(!X)?(Set())Clr());}\

__always_inline__ static void MakeOutOn(void) {On();MakeOut();}\

__always_inline__ static void MakeOutOff(void) {Off();MakeOut();}\

__always_inline__ static uint8 IsOn(void) {return (X)?IsOutHigh():IsOutLow();}\

__always_inline__ static uint8 IsOff(void) {return (!X)?IsOutHigh():IsOutLow();}







#define AVR_GPIO_ASSIGN(A, B, C) \

static class class##A{\

public:\

__AVR_GPIO_ASSIGN(A, B, C)\

} A;



#define AVR_GPIO_ASSIGN_POLARITY(A, B, C,X) \

static class class##A{\

public:\

__AVR_GPIO_ASSIGN_POLARITY(A, B, C,X)\

} A;





AVR_GPIO_ASSIGN_POLARITY(LED_0,D,0,1); //LED_0D0:高电平亮

AVR_GPIO_ASSIGN_POLARITY(LED_1,D,1,0); //LED_1D1:低电平亮

AVR_GPIO_ASSIGN(LED_2,D,2); //LED_2D2





volatile uint8 read;



void test(void)

{

LED_0.MakeOut(); //LED_0设置为输出

LED_0.Set(); //LED_0输出高

LED_0.Clr(); //LED_0输出低

LED_0.Toggle(); //LED_0翻转

LED_0.On(); //LED_0亮

LED_0.Off(); //LED_0灭



(&LED_0)->MakeOut(); //LED_0设置为输出

(&LED_0)->Set(); //LED_0输出高

(&LED_0)->Clr(); //LED_0输出低

(&LED_0)->Toggle(); //LED_0翻转

(&LED_0)->On(); //LED_0亮

(&LED_0)->Off(); //LED_0灭





LED_1.MakeOut(); //LED_1设置为输出

LED_1.Set(); //LED_1输出高

LED_1.Clr(); //LED_1输出低

LED_1.Toggle(); //LED_1翻转

LED_1.On(); //LED_1亮

LED_1.Off(); //LED_1灭



(&LED_1)->MakeOut(); //LED_1设置为输出

(&LED_1)->Set(); //LED_1输出高

(&LED_1)->Clr(); //LED_1输出低

(&LED_1)->Toggle(); //LED_1翻转

(&LED_1)->On(); //LED_1亮

(&LED_1)->Off(); //LED_1灭



LED_2.MakeInHighImpedance(); //LED_2设置为高阻输入

LED_2.MakeInPullUp(); //LED_2设置为上拉输入

LED_2.MakeOutHigh(); //LED_2设置为输出高

LED_2.MakeOutLow(); //LED_2设置为上拉输入



read=LED_2.ReadIn(); //读取LED_2引脚点品 

read=LED_2.ReadDir(); //读取LED_2方向 

read=LED_2.ReadOut(); //如果LED_2端口寄存器



(&LED_2)->MakeInHighImpedance(); //LED_2设置为高阻输入

(&LED_2)->MakeInPullUp(); //LED_2设置为上拉输入

(&LED_2)->MakeOutHigh(); //LED_2设置为输出高

(&LED_2)->MakeOutLow(); //LED_2设置为上拉输入



read=(&LED_2)->ReadIn(); //读取LED_2引脚点品 

read=(&LED_2)->ReadDir(); //读取LED_2方向 

read=(&LED_2)->ReadOut(); //如果LED_2端口寄存器



}

 RSEG CODE:CODE:NOROOT(1)

// 65 void test(void)

??test:

// 66 {

// 67 LED_0.MakeOut(); //LED_0设置为输出

SBI 0x11, 0x00

// 68 LED_0.Set(); //LED_0输出高

SBI 0x12, 0x00

// 69 LED_0.Clr(); //LED_0输出低

CBI 0x12, 0x00

// 70 LED_0.Toggle(); //LED_0翻转

LDI R16, 1

IN R17, 0x12

EOR R17, R16

OUT 0x12, R17

// 71 LED_0.On(); //LED_0亮

SBI 0x12, 0x00

// 72 LED_0.Off(); //LED_0灭

CBI 0x12, 0x00

// 73 

// 74 (&LED_0)->MakeOut(); //LED_0设置为输出

SBI 0x11, 0x00

// 75 (&LED_0)->Set(); //LED_0输出高

SBI 0x12, 0x00

// 76 (&LED_0)->Clr(); //LED_0输出低

CBI 0x12, 0x00

// 77 (&LED_0)->Toggle(); //LED_0翻转

IN R17, 0x12

EOR R17, R16

OUT 0x12, R17

// 78 (&LED_0)->On(); //LED_0亮

SBI 0x12, 0x00

// 79 (&LED_0)->Off(); //LED_0灭

CBI 0x12, 0x00

// 80 

// 81 

// 82 LED_1.MakeOut(); //LED_1设置为输出

SBI 0x11, 0x01

// 83 LED_1.Set(); //LED_1输出高

SBI 0x12, 0x01

// 84 LED_1.Clr(); //LED_1输出低

CBI 0x12, 0x01

// 85 LED_1.Toggle(); //LED_1翻转

LDI R16, 2

IN R17, 0x12

EOR R17, R16

OUT 0x12, R17

// 86 LED_1.On(); //LED_1亮

CBI 0x12, 0x01

// 87 LED_1.Off(); //LED_1灭

SBI 0x12, 0x01

// 88 

// 89 (&LED_1)->MakeOut(); //LED_1设置为输出

SBI 0x11, 0x01

// 90 (&LED_1)->Set(); //LED_1输出高

SBI 0x12, 0x01

// 91 (&LED_1)->Clr(); //LED_1输出低

CBI 0x12, 0x01

// 92 (&LED_1)->Toggle(); //LED_1翻转

IN R17, 0x12

EOR R17, R16

OUT 0x12, R17

// 93 (&LED_1)->On(); //LED_1亮

CBI 0x12, 0x01

// 94 (&LED_1)->Off(); //LED_1灭

SBI 0x12, 0x01

// 95 

// 96 LED_2.MakeInHighImpedance(); //LED_2设置为高阻输入

CBI 0x11, 0x02

CBI 0x12, 0x02

// 97 LED_2.MakeInPullUp(); //LED_2设置为上拉输入

CBI 0x11, 0x02

SBI 0x12, 0x02

// 98 LED_2.MakeOutHigh(); //LED_2设置为输出高

SBI 0x12, 0x02

SBI 0x11, 0x02

// 99 LED_2.MakeOutLow(); //LED_2设置为上拉输入

CBI 0x12, 0x02

SBI 0x11, 0x02

// 100 

// 101 read=LED_2.ReadIn(); //读取LED_2引脚点品 

SBIS 0x10, 0x02

RJMP ??test_1

LDI R16, 1

RJMP ??test_2

??test_1:

LDI R16, 0

??test_2:

STS `read`, R16

// 102 read=LED_2.ReadDir(); //读取LED_2方向 

SBIS 0x11, 0x02

RJMP ??test_3

LDI R16, 1

RJMP ??test_4

??test_3:

LDI R16, 0

??test_4:

STS `read`, R16

// 103 read=LED_2.ReadOut(); //如果LED_2端口寄存器

SBIS 0x12, 0x02

RJMP ??test_5

LDI R16, 1

RJMP ??test_6

??test_5:

LDI R16, 0

??test_6:

STS `read`, R16

// 104 

// 105 (&LED_2)->MakeInHighImpedance(); //LED_2设置为高阻输入

CBI 0x11, 0x02

CBI 0x12, 0x02

// 106 (&LED_2)->MakeInPullUp(); //LED_2设置为上拉输入

CBI 0x11, 0x02

SBI 0x12, 0x02

// 107 (&LED_2)->MakeOutHigh(); //LED_2设置为输出高

SBI 0x12, 0x02

SBI 0x11, 0x02

// 108 (&LED_2)->MakeOutLow(); //LED_2设置为上拉输入

CBI 0x12, 0x02

SBI 0x11, 0x02

// 109 

// 110 read=(&LED_2)->ReadIn(); //读取LED_2引脚点品 

SBIS 0x10, 0x02

RJMP ??test_7

LDI R16, 1

RJMP ??test_8

??test_7:

LDI R16, 0

??test_8:

STS `read`, R16

// 111 read=(&LED_2)->ReadDir(); //读取LED_2方向 

SBIS 0x11, 0x02

RJMP ??test_9

LDI R16, 1

RJMP ??test_10

??test_9:

LDI R16, 0

??test_10:

STS `read`, R16

// 112 read=(&LED_2)->ReadOut(); //如果LED_2端口寄存器

SBIS 0x12, 0x02

RJMP ??test_11

LDI R16, 1

RJMP ??test_12

??test_11:

LDI R16, 0

??test_12:

STS `read`, R16

// 113 

// 114 }

RET