ARDUINO 编程语法基础PPT课件

1、.,1,ARDUINO 编程语法基础,.,2,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 int buttonPin = 3; void setup() Serial.begin(9600); pinMode(buttonPin, INPUT); void loop() if (digitalRead(buttonPin) = HIGH) serialWrite(H); else serialWrite(L); delay(1000); ,.,3,控

2、制结构,if if.else for switch case while do. while break continue return goto,.,4,语法,;(分号 ) (大括号 ) /(胆寒注释) /* */(多汗注释) #define #include,.,5,算术运算符,=(assignment operator) +(addition) -(subtraction) *(multiplication) /(division) %(modulo),.,6,比较运算符,=(equal to) !=(not equal to) (greater than) =(greater than

3、 or equal to),.,7,布尔运算符,&(and) |(or) !(not),.,8,指针运算符,* dereference operator & reference operator,.,9,位运算符,&(bitwise and) |(bitwise or) (bitwise xor) (bitwise not) (bitshift right),.,10,复合运算符,+(increment) -(decrement) +=(compound addition) -=(compound subtraction) *=(compound multiplication) /=(comp

4、ound division) &=(compound bitwise and) |=(compound bitwise or),.,11,数值,常量 HIGH|LOW INPUT|OUTPUT|INPUT_PULLUP true|false integer constants floating point constants,.,12,数值,数据类型 void boolean char unsigned char byte int unsigned int word long unsigned long float double string- char array String- objec

5、t array,.,13,数值,转换 char() byte() int() word() long() float(),.,14,数值,变量范围与限定符 variable scope static volatile const Utilities sizeof(),.,15,函数,数字 I/O pinMode() digitalWrite() digitalRead(),.,16,模拟 I/O,analogReference() analogRead() analogWrite() -PWM,.,17,高级 I/O,tone() noTone() shiftOut() shiftIn() pulseIn(),.,18,时间,millis() micros() delay() delayMicroseconds(),.,19,数学,min() max() abs() constrain() map() pow() sqrt(),.,20,三角函数,sin() cos() tan(),.,21,随机数,randomSeed() random(),.,22,位与字节,lowByte() highByte() bitRead() bitWrite() bitSet() bitClear() bit(),.,23,外部中断,attachInterru