DesignSpark PCB 第3版現(xiàn)已推出!
包括3種全新功能:
1. 模擬介面 Simulation Interface
2. 設(shè)計(jì)計(jì)算機(jī) Design Calculator
3. 零件群組 Component Grouping
第3版新功能介紹 (含資料下載)
另外, 中文版的教學(xué)已經(jīng)準(zhǔn)備好了, 備有簡(jiǎn)體和繁體版, 趕快下載來看看!
設(shè)計(jì)PCB產(chǎn)品激活:激活入品
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軟件開發(fā)工程是有趣的、多產(chǎn)的,甚至是大膽的。同時(shí),它也能源源不斷地帶來商業(yè)價(jià)值,并保持在我們的掌控之下。 極限編程(XP)的構(gòu)思和發(fā)展是針對(duì)小型團(tuán)隊(duì)進(jìn)行軟件開發(fā)時(shí),在面對(duì)不確知的、變化的需求時(shí)所產(chǎn)生的特定需要的。這一新的、輕量級(jí)的方法學(xué)對(duì)許多傳統(tǒng)思維提出了挑戰(zhàn),這其中包括一個(gè)一直以來的假設(shè),即在軟件開發(fā)過程中,對(duì)軟件進(jìn)行一個(gè)小小的改動(dòng)就必然會(huì)使其開發(fā)成本大大增加。極限編程認(rèn)可軟件開發(fā)工程應(yīng)該節(jié)約成本,而且一旦實(shí)現(xiàn)了某種節(jié)約就應(yīng)該加以開發(fā)利用。 你可以喜歡XP,也可以恨它,但是本書將會(huì)使你對(duì)如何開發(fā)軟件有一個(gè)全新的認(rèn)識(shí)。KentBeck擁有并經(jīng)營(yíng)著First Class軟件公司,在這里他把主要精力放在兩個(gè)最大的興趣上——模式和極限編程。他一直在研究軟件開發(fā)的先驅(qū)模式、CRC卡、HotDraw畫圖編輯器框架、xUnit單元測(cè)試框架以及測(cè)試為先的編程。他發(fā)表了五十多篇關(guān)于編程的文章,并出版了《The Smalltalk Best Practice Patterns》(Prentice-Hall出版社)和《Kent Beck’s Guide to Better Smalltalk:A Sorted Collection》(劍橋大學(xué)出版社)兩本著作,同時(shí)他還是超級(jí)暢銷書《重構(gòu)——改善既有代碼的設(shè)計(jì)》(中英文版皆由中國電力出版社出版)的特約撰稿人。
This application report describes the use of Timer_A3 to decode RC5 and SIRC TV IR remote control signals. The decoder described in this report is interrupt-driven and operates a background function using specific features the Timer_A3. Only a small portion of the MSP430 CPU?s nonreal-time resources is used. Specific hardware bit-latching capabilities of the Timer_A3 module are used for real-time decoding of the IR data signal, independent
and asynchronous to the CPU. CPU activity and power consumption are kept to an absolute minimum level. The Timer_A3 decoder implementation also allows other tasks to occur simultaneously if required. The solutions provided are written specifically for MSP430x11x(1) and MSP430x12x derivatives, but can be adapted to any other MSP430 incorporating Timer_A3.
電視遙控器設(shè)計(jì)基於MSP430