ARDUINO 编程语法基础.ppt

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1、ARDUINO编程语法基础结构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intbuttonPin=3;voidsetup(){Serial.begin(9600);pinMode(buttonPin,INPUT);}voidloop(){if(digitalRead(buttonPin)==HIGH)serialWrite('H');elseserialWrite('L');delay(

2、1000);}控制结构ifif...elseforswitchcasewhiledo...whilebreakcontinuereturngoto语法;(分号){}(大括号)//(胆寒注释)/**/(多汗注释)#define#include算术运算符=(assignmentoperator)+(addition)-(subtraction)*(multiplication)/(division)%(modulo)比较运算符==(equalto)!=(notequalto)<(lessthan)>(greaterth

3、an)<=(lessthanorequalto)>=(greaterthanorequalto)布尔运算符&&(and)

4、

5、(or)!(not)指针运算符*dereferenceoperator&referenceoperator位运算符&(bitwiseand)

6、(bitwiseor)^(bitwisexor)~(bitwisenot)<<(bitshiftleft)>>(bitshiftright)复合运算符++(increment)--(decrement)+=(compoundaddition)-=(com

7、poundsubtraction)*=(compoundmultiplication)/=(compounddivision)&=(compoundbitwiseand)

8、=(compoundbitwiseor)数值常量HIGH

9、LOWINPUT

10、OUTPUT

11、INPUT_PULLUPtrue

12、falseintegerconstantsfloatingpointconstants数值数据类型voidbooleancharunsignedcharbyteintunsignedintwordlongunsignedlo

13、ngfloatdoublestring-chararrayString-objectarray数值转换char()byte()int()word()long()float()数值变量范围与限定符variablescopestaticvolatileconstUtilitiessizeof()函数数字I/OpinMode()digitalWrite()digitalRead()模拟I/OanalogReference()analogRead()analogWrite()-PWM高级I/Otone()noTone()s

14、hiftOut()shiftIn()pulseIn()时间millis()micros()delay()delayMicroseconds()数学min()max()abs()constrain()map()pow()sqrt()三角函数sin()cos()tan()随机数randomSeed()random()位与字节lowByte()highByte()bitRead()bitWrite()bitSet()bitClear()bit()外部中断attachInterrupt()detachInterrupt()

15、通信SerialStreamUSB（仅适用于Leonardo、Due、Micro）KeyboardMouse