August 2017
Intermediate to advanced
272 pages
5h 32m
Chinese
Content preview from Node.js物聯網裝置開發
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第二章 Arduino 閃爍燈光
從這張腳位功能圖，只需迅速一瞥，便可概略瞭解各個不同的腳位功能，除了 Arduino
程式庫採用的腳位編號對應，你還可看到更低階的名稱與功能（從規格書而言），舉例
來說：
Arduino Pin 9 | Physical Pin 15 | Port B | Output/Compare/Timer 1
對嵌入式系統開發新手來說，查看腳位功能圖，絕對比查閱繁雜的規格書來得簡單。當
你對於微控制器越來越熟悉之後，便可根據腳位功能圖或規格書，探索試驗腳位的各種
不同功能。
PighiXXX 為諸多受歡迎的 Arduino 開發板，繪製了優質的腳位功能圖，網址是
http://
www.pighixxx.com/test/pinoutspg/boards/#prettyPhoto
。
韌體
嵌入式裝置裡的軟體，我們稱之為
韌體
（
firmware
），韌體建置完成並放入裝置後，微控
制器便知道該做些什麼。
使用 JavaScript 語言來為嵌入式裝置開發程式，通常可跳過以 C 或 C++ 撰寫的特製韌
體，簡化開發工作。然而，很多針對硬體開發的軟體，都是以 C 撰寫，若能瞭解特製韌
體的開發工作，將會有所助益。
韌體存放在微控制器的「非揮發性記憶體（nonvolatile memory, NVM）」裡，有時候被
稱為 ROM（唯讀記憶體），改變 NVM 內容的動作通常叫做「燒錄（flashing）」， 燒 錄
動作往往需要特別的燒錄器（programmer）。為了讓燒錄裝置的動作更加簡便，許多板 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.