結構Structure setup()設定 loop()主迴圈 控制迴圈 if如果 if…else如果…否則 for計數 switch case分支 while直到 do… while做..直到 break直接跳出 continue繼續 return回傳 goto跳躍 Further Syntax符號語法 ;(semicolon)分號 {}(curly braces)大括號 ...
if-elsestatement if-else-ifstatement. Theifstatement Given below is the structure of anifstatement: If (conditional expression) { Body of the if statement } Theconditional expressioncan be anything that can result either in true or false. If the statement is true, the code in the...
• setup() 每次 Arduino 上电或重启后,setup 函数只运行一次,用于初始化变量、设置针脚的输出\输入类型、配置串口、引入类库文件等等 • loop() 该函数在程序运行过程中不断的循环 Control Structures 结构控制 • if • if...else • for • switch case • while • do... while • break...
WiFiEsp库允许Arduino开发板连接到互联网。它既可以用作接受传入连接的服务器，也可以用作进行传出连接的...
| | `if (outputValue >= 40){``outputValue = 0;``} else {``outputValue = outputValue + 1;` | if else 语句检查某事是否为真;如果是,它做一件事,如果不是,它做另一件事。在这种情况下,它检查变量 outPutValue 的值是否大于或等于 40;如果是,它使变量包含值 0,这关闭 LED,如果不是,它增加...
&top - __brkval : &top - __malloc_heap_start; #endif // __arm__ } #else #if (ARDUINO >= 100) #include <Arduino.h> #else #include <WProgram.h> #endif extern unsigned int __heap_start; extern void *__brkval; /* * The free list structure as maintained by the * avr-libc...
or else the .cpp/.h files // for both classes must be in the include path of your project #include "I2Cdev.h" #include "MPU6050.h" // Arduino Wire library is required if I2Cdev I2CDEV_ARDUINO_WIRE implementation // is used in I2Cdev.h #if I2CDEV_IMPLEMENTATION == I2CDEV_ARDUINO...
the same as the assignment operator =, and the double equal sign is an operation used in the expression of the if statement to determine whether the expression can be true. The single equal sign is used to assign a value to a variable.在本段程序中也涉及到了if~else这个语句，下面来介绍if...
else if((infrared_Scan(infrared_1_GPIO_PORT,infrared_1_GPIO_PIN)==INFRARED_ON))//循迹,左侧外部传感器见到黑线,说明车身方向偏左 TIMx_Mode_Config(900,0,0,0);//剧烈右转 else TIMx_Mode_Config(500,0,500,0);//直行 } } } 1.
shifted till firsbit is zero. */ void ht1632_writebits (byte bits, byte firstbit) { DEBUGPRINT(" "); while (firstbit) { DEBUGPRINT((bits&firstbit ? "1" : "0")); digitalWrite(HT1632_WRCLK, LOW); if (bits & firstbit) { digitalWrite(HT1632_DATA, HIGH); } else { digitalWrite...