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1、2021/3/111ARDUINO 编程语法基础2021/3/112结构setup()loop()当项目开始运行时会调用setup()函数 常我们在其中初始化一些变量、引脚状态及一些调用的库等loop函数是一个循环体，其中的程序将会不断的运行 示例示例int buttonPin=3;void setup()Serial.begin(9600);pinMode(buttonPin,INPUT);void loop()if(digitalRead(buttonPin)=HIGH)serialWrite(H);else serialWrite(L);delay(1000);2021/3/113控制结
2、构 if if.else for switch case while do.while break continue return goto2021/3/114语法;(分号)(大括号)/(胆寒注释)/*/(多汗注释)#define#include2021/3/115算术运算符=(assignment operator)+(addition)-(subtraction)*(multiplication)/(division)%(modulo)2021/3/116比较运算符=(equal to)!=(not equal to)(greater than)=(greater than or equa
3、l to)2021/3/117布尔运算符&(and)|(or)!(not)2021/3/118指针运算符*dereference operator&reference operator2021/3/119位运算符&(bitwise and)|(bitwise or)(bitwise xor)(bitwise not)(bitshift right)2021/3/1110复合运算符+(increment)-(decrement)+=(compound addition)-=(compound subtraction)*=(compound multiplication)/=(compound d
4、ivision)&=(compound bitwise and)|=(compound bitwise or)2021/3/1111数值数值 常量 HIGH|LOW INPUT|OUTPUT|INPUT_PULLUP true|false integer constants floating point constants2021/3/1112数值数值数据类型voidbooleancharunsigned charbyteintunsigned intwordlongunsigned longfloatdoublestring-char arrayString-objectarray2021/
5、3/1113数值数值 转换 char()byte()int()word()long()float()2021/3/1114数值数值 变量范围与限定符 variable scope static volatile const Utilities sizeof()2021/3/1115函数函数 数字数字 I/OI/O pinMode()digitalWrite()digitalRead()2021/3/1116模拟模拟 I/OI/O analogReference()analogRead()analogWrite()-PWM2021/3/1117高级高级 I/OI/O tone()noTone()
6、shiftOut()shiftIn()pulseIn()2021/3/1118时间时间 millis()micros()delay()delayMicroseconds()2021/3/1119数学数学 min()max()abs()constrain()map()pow()sqrt()2021/3/1120三角函数三角函数 sin()cos()tan()2021/3/1121随机数随机数 randomSeed()random()2021/3/1122位与字节位与字节 lowByte()highByte()bitRead()bitWrite()bitSet()bitClear()bit()2021/3/1123外部中断外部中断 attachInterrupt()detachInterrupt()2021/3/1124通信通信 Serial Stream2021/3/1125USBUSB（仅适用于（仅适用于LeonardoLeonardo、DueDue、MicroMicro）Keyboard Mouse
ARDUINO编程语法基础
