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2024年4月26日发(作者：asp论坛答辩报告)
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
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