摘要
ＶＩＳＡ（Ｖｉｒｔｕａｌ Ｉｎｓｔｒｕｍｅｎｔａｔｉｏｎ Ｓｏｆｔｗａｒｅ Ａｒｃｈｉｔｅｃｔｕｒｅ）是 ＶＰＰ（ＶＸＩ ｐｌｕｇ ＆ ｐｌａｙ）联盟制定的新一代仪器Ｉ／Ｏ标准。本文对ＶＩＳＡ标准Ｉ／Ｏ库函数集的内部结构及底层调用过程进行了分析，并介绍了对现有非ＶＩＳＡ标准的ＶＸＩ／Ｏ库函数集进行ＷＳＡ标准化的方法。
VISA (Virtual Instrumentation software Architecture) is state--of-the--art instrument I/O standard drawn up by VPP (VXI plug & play) Union. This paper introduces the VISA's basic operating principle, inside structure and low-level calling process. The method of standardizing the non-VISA - standard instrument I/O functions is also discussed in the paper.
出处
《电子测量与仪器学报》
CSCD
1999年第4期46-51,共6页
Journal of Electronic Measurement and Instrumentation
