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Embedded system log control implementation
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abstract
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The log record in program development is composed of the sentences which are used to output some useful information embedded in the programs to the developer .
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In the running process of program , the wrong information records may save the questionable field and record errors. It's very important to malfunction localization and function maintenance for software system ;Moreover, the correlative information recorded in the running process of program is aslo helpful to the maintainer to detect the hidden trouble of the system and solve the malfunction as early as possible.
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The log recording system of embedded system is responsible for recording the system's state and kinds of wrong information .Therefore the log recording function of the embedded system is very significant and is needed to research on focus. Uses a special log recording package of object, may reduce to the tens of thousands of System.out.println.statement maintain cost. This article first has carried on showing to this topic origin and the selected topic basis, has carried on the description to the practice company software product. Next to will insert under the basic principle and the method and Linux which the type system software will develop programs has made an outline, as well as to some new technical and new method introduction. Once more,this article in detail elaborated embedded log control the implementation system design and the implementation. Finally, this article briefly will narrate the program debugging and the unit test.
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Key words: embedded system; Log control; Linux; Log implementation
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