2024年3月31日发(作者：)

Arduino编程参考手册

程序结构 .................................................................................................................................................................................................................................... 3

控制语句 ............................................................................................................................................................................................................................ 5

if ................................................................................................................................................................................................................................. 5

if。.。else .................................................................................................................................................................................................................. 6

for ............................................................................................................................................................................................................................... 8

switch case ................................................................................................................................................................................................................ 11

while ......................................................................................................................................................................................................................... 14

do.。。while .............................................................................................................................................................................................................. 15

break ......................................................................................................................................................................................................................... 16

continue .................................................................................................................................................................................................................... 17

return ........................................................................................................................................................................................................................ 17

goto ........................................................................................................................................................................................................................... 19

相关语法 .......................................................................................................................................................................................................................... 20

分号 .......................................................................................................................................................................................................................... 20

大括号 ...................................................................................................................................................................................................................... 21

注释 .......................................................................................................................................................................................................................... 24

define ........................................................................................................................................................................................................................ 25

include ...................................................................................................................................................................................................................... 26

算术运算符 ...................................................................................................................................................................................................................... 27

赋值 .......................................................................................................................................................................................................................... 27

加，减，乘,除 ......................................................................................................................................................................................................... 28

取模 .......................................................................................................................................................................................................................... 30

比较运算符 ...................................................................................................................................................................................................................... 32

if(条件） and ==, !=， <, > （比较运算符) ........................................................................................................................................................ 32

布尔运算符 ...................................................................................................................................................................................................................... 35

&& （逻辑与） ...................................................................................................................................................................................................... 35

｜｜ (逻辑或) ......................................................................................................................................................................................................... 35

！ (非) ..................................................................................................................................................................................................................... 36

指针运算符 ...................................................................................................................................................................................................................... 37

＆（引用）和 *（间接引用） .............................................................................................................................................................................. 37

位运算 .............................................................................................................................................................................................................................. 37

位与 .......................................................................................................................................................................................................................... 37

位或 .......................................................................................................................................................................................................................... 38

位异或 ...................................................................................................................................................................................................................... 41

位非 .......................................................................................................................................................................................................................... 43

左移、右移 .............................................................................................................................................................................................................. 44

复合运算符 ...................................................................................................................................................................................................................... 48

自加++ ..................................................................................................................................................................................................................... 48

自减—— .................................................................................................................................................................................................................. 48

复合加+= ................................................................................................................................................................................................................. 48

复合减-= .................................................................................................................................................................................................................. 48

复合乘*= .................................................................................................................................................................................................................. 48

复合除/= ................................................................................................................................................................................................................... 48

复合与＆= ................................................................................................................................................................................................................ 48

复合或|= ................................................................................................................................................................................................................... 49

变量 .......................................................................................................................................................................................................................................... 49

常量 .................................................................................................................................................................................................................................. 49

false .......................................................................................................................................................................................................................... 49

true ............................................................................................................................................................................................................................ 49

HIGH ........................................................................................................................................................................................................................ 50

LOW ......................................................................................................................................................................................................................... 50

宏定义 ...................................................................................................................................................................................................................... 51

整型常量 .................................................................................................................................................................................................................. 53

浮点数常量 .............................................................................................................................................................................................................. 56

数据类型 .......................................................................................................................................................................................................................... 57

void ........................................................................................................................................................................................................................... 57

boolean ..................................................................................................................................................................................................................... 58

char ........................................................................................................................................................................................................................... 59

char .......................................................................................................................................................................................................................... 59

unsigned char ............................................................................................................................................................................................................ 60

byte ........................................................................................................................................................................................................................... 61

int .............................................................................................................................................................................................................................. 61

unsigned int .............................................................................................................................................................................................................. 63

word .......................................................................................................................................................................................................................... 65

long ........................................................................................................................................................................................................................... 65

unsigned long ........................................................................................................................................................................................................... 66

float ........................................................................................................................................................................................................................... 68

double ....................................................................................................................................................................................................................... 70

string ......................................................................................................................................................................................................................... 70

String(c++) ............................................................................................................................................................................................................... 74

array .......................................................................................................................................................................................................................... 76

数据类型转换 .................................................................................................................................................................................................................. 78

char() ........................................................................................................................................................................................................................ 78

byte() ........................................................................................................................................................................................................................ 79

int（） ...................................................................................................................................................................................................................... 80

word（) .................................................................................................................................................................................................................... 80

long（） ................................................................................................................................................................................................................... 81

float(） ..................................................................................................................................................................................................................... 82

变量作用域&修饰符 ....................................................................................................................................................................................................... 82

变量作用域 .............................................................................................................................................................................................................. 82

static (静态变量） ................................................................................................................................................................................................... 84

volatile （易变变量） ............................................................................................................................................................................................ 87

a ............................................................................................................................................................................................................................................... 88

const （不可改变变量) .......................................................................................................................................................................................... 89

辅助工具 .......................................................................................................................................................................................................................... 90

sizeof（) (sizeof运算符） ...................................................................................................................................................................................... 90

ASCII码表 ............................................................................................................................................................................................................... 92

基本函数 .................................................................................................................................................................................................................................. 94

数字I/O ............................................................................................................................................................................................................................ 94

pinMode() ................................................................................................................................................................................................................. 94

digitalWrite（).......................................................................................................................................................................................................... 96

digitalRead（) .......................................................................................................................................................................................................... 98

模拟I/O .......................................................................................................................................................................................................................... 100

analogReference（） ............................................................................................................................................................................................. 100

analogRead（） ..................................................................................................................................................................................................... 100

analogWrite(） ....................................................................................................................................................................................................... 102

高级I/O .......................................................................................................................................................................................................................... 104

shiftOut（） ........................................................................................................................................................................................................... 104

pulseIn（） ............................................................................................................................................................................................................ 105

时间 ................................................................................................................................................................................................................................ 107

millis（).................................................................................................................................................................................................................. 107

delay(ms） ............................................................................................................................................................................................................. 107

delayMicroseconds（us) ........................................................................................................................................................................................ 109

数学库 ............................................................................................................................................................................................................................ 110

min（） .................................................................................................................................................................................................................. 110

max（) .................................................................................................................................................................................................................... 111

abs（） ................................................................................................................................................................................................................... 111

constrain(） ............................................................................................................................................................................................................ 111

map（) .................................................................................................................................................................................................................... 112

pow（) .................................................................................................................................................................................................................... 114