基于EEPROM数据读写的智能电能表白盒测试方法.pdfVIP

学兔兔 第5l卷 第3期 电测与仪表 VO1．51 No．3 2014年 2月lO日 E1ectricai Measurement＆ Instrumentation Feb．10，2014 基于EEPROM数据读写的智能电能表白盒测试方法 徐晴 ，纪峰 ，田正其 ，陈红芳 ，胡环 (1．江苏电力公司电力科学研究院，南京211100；2．威胜集团，长沙410205) 摘要：针对电能表黑盒测试方法无法实现电能表软件分支路径遍历测试，及无法给出电能表EEPROM数据错 误容错能力评价的问题，考虑电能表数据存储单元EEPROM保存着电能表运行参数的事实，提出了一种基于 EEPROM读写的新型电能表白盒测试方法。该测试方法通过对EEPROM参数的改写来实现电能表软件分支 路径的全覆盖，有效地解决了黑盒测试方法相关分支路径的漏测问题，通过相关测试平台的搭建与集成，实现 了智能电能表自动化白盒测试。该方法的实现对提高电能表的可靠性及容错能力，具有一定的参考价值。 关键词：嵌入式软件测试；智能电能表；自动测试；读写EEPROM 中图分类号：TM933 文献标识码：B 文章编号：1001—1390(2014)03—0001—05 A New Watt．hour Meter White BOX Test Method Based on Reading and Writing EEPROM XU Qing ，JI Feng ，TIAN Zheng．qi ，CHEN Hong．fang ，HU Huan (1．Jiangsu Electric Power Company Research Institute，Nanjing 1 00080，China 2．Wasion Group，Changsha 410205，China．) Abstract：Aiming at the problem that Watt-hour meter black box testing method cannot achieve branch path traversal for the Watt-hour meter software，and that the EEPROM data error tolerance evaluation of the Watt．hour meter cannot be presented．a new type of Watt-hour meter white—box testing method based on EEPROM read and write has been proposed in this paper，considering the fact that Watt—hour meters running parameters are preserved in Watt-hour me— ter data storage unit．The new test method will avoid the branches path missing in the black box test effectively through the changing of EEPROM parameters to achieve the whole coverage for Watt—hour meter software branch path traversa1．The Watt—hour meter software can be test automatically by the white-box test method by the construction and integration of the flew test platform．The new method proposed in this paper w