[arduino]-1-Basics代码解读
Posted ryu-janeway
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arduino IDE 自带示例中的Basics系列,
可以说是
向一个拥有C系家族编程语言基础的人
解释清楚了它自己的基本操作
BareMinimum(基本文件结构):
void setup() { // put your setup code here, to run once: // 这里放的setup代码只会运行一次 } void loop() { // put your main code here, to run repeatedly: // 这里放的主要代码会在setup之后不停循环执行 }
Start(有修改):
// the setup routine runs once when you press reset: //setup会在你按下reset之后首先执行 void setup() { // initialize the digital pin as an output. // 将数字端口初始化为输出模式 pinMode(0, OUTPUT); //LED on Model B pinMode(1, OUTPUT); //LED on Model A or Pro } // the loop routine runs over and over again forever: //loop会一遍又一遍的永远执行下去 void loop() { digitalWrite(0, HIGH); // turn the LED on (HIGH is the voltage level) // 打开LED(HIGH代表电压高低) digitalWrite(1, HIGH); delay(1000); // wait for a second digitalWrite(0, LOW); // turn the LED off by making the voltage LOW // 将电压降低来关闭LED digitalWrite(1, LOW); delay(1000); // wait for a second }
Blink:
/* Blink 闪烁 Turns an LED on for one second, then off for one second, repeatedly. 点亮LED持续1秒钟,然后熄灭LED一秒钟,一次循环。 Most Arduinos have an on-board LED you can control. 许多arduino都有一个板载LED可供使用 On the UNO, MEGA and ZERO it is attached to digital pin 13, on MKR1000 on pin 6. 在UNO,MEGA和ZERO上它与数字端口13相连。//后略 LED_BUILTIN is set to the correct LED pin independent of which board is used. LED_BUILTIN被设定为各种主板相对应的LED而与型号无关。 If you want to know what pin the on-board LED is connected to on your Arduino model, check the Technical Specs of your board at: 如果你想知道你的这种arduino上到底哪个端口连接着板载LED,那么查看详细的说明可以到: https://www.arduino.cc/en/Main/Products modified 8 May 2014 by Scott Fitzgerald modified 2 Sep 2016 by Arturo Guadalupi modified 8 Sep 2016 by Colby Newman This example code is in the public domain. http://www.arduino.cc/en/Tutorial/Blink */ // the setup function runs once when you press reset or power the board void setup() { // initialize digital pin LED_BUILTIN as an output. // 将LED_BUILTIN端口初始化为输出模式。 pinMode(LED_BUILTIN, OUTPUT); } // the loop function runs over and over again forever void loop() { digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level) delay(1000); // wait for a second digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW delay(1000); // wait for a second }
以上的代码皆可直接下载到UNO上运行
关于具体代码的理解,
请各位善用自己的英语知识
与互联网工具
本节关键代码词汇含义对照:
setup ≈ set up 意思非常之多,初始化,安排,安装,构建,都可以
loop 循环
pin 端口/针脚,1pin就是一根线,所以电脑里面的电源插口,4P,6P,24P就是这样来的
built in 内置/板载
digital 数字,关于模拟和数字的区别,你用着用着就明白了
delay 等待/延迟
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