1747-PIC編程電纜參詳
1747-PIC編程電纜參詳
1747-PIC編程電纜參詳
在設(shè)計(jì)較復(fù)雜的程序時(shí),一般采用自頂向下的方法,將問題劃分為幾個(gè)部分,各個(gè)部分再進(jìn)行細(xì)化,直到分解為較好解決問題為止。模塊化設(shè)計(jì),簡單地說就是程序的編寫不是一開始就逐條錄入計(jì)算機(jī)語句和指令,而是首先用主程序、子程序、子過程等框架把軟件的主要結(jié)構(gòu)和流程描述出來,并定義和調(diào)試好各個(gè)框架之間的輸入、輸出鏈接關(guān)系逐步求精的結(jié)果是得到一系列以功能塊為單位的算法描述。以功能塊為單位進(jìn)行程序設(shè)計(jì),實(shí)現(xiàn)其求解算法的方法稱為模塊化。模塊化的目的是為了降低程序復(fù)雜度,使程序設(shè)計(jì)、調(diào)試和維護(hù)等操作簡單化。
利用函數(shù),不僅可以實(shí)現(xiàn)程序的模塊化,使得程序設(shè)計(jì)更加簡單和直觀,從而提高了程序的易讀性和可維護(hù)性,而且還可以把程序中經(jīng)常用到的一些計(jì)算或操作編寫成通用函數(shù),以供隨時(shí)調(diào)用。
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