C 语言嵌入式系统编程修炼之一:背景篇
不同于一般形式的软件编程，嵌入式系统编程建立在特定的硬件平台上，势必要求
其编程语言具备较强的硬件直接操作能力。无疑，汇编语言具备这样的特质。但是，归
因于汇编语言开发过程的复杂性，它并不是嵌入式系统开发的一般选择。而与之相比，
C 语言--一种"高级的低级"语言，则成为嵌入式系统开发的最佳选择。笔者在嵌入式系
统项目的开发过程中，一次又一次感受到C 语言的精妙，沉
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