Abstract
IEEE-488.2 interface (or popularly known as GPIB interface) -based instruments are very common in the test and measurement industry. The most important characteristics of the firmware for such instruments are small code size and ease of implementation and maintenance. Object-oriented (OO) techniques can be used to exploit their inherent advantages and the paper demonstrates the design of firmware for an IEEE-488.2-based instrument using OO techniques. The advantages of encapsulation allow for ease of comprehension besides ease of implementation and maintenance. This design was used to implement the firmware in a high-end test and measuring instrument and the advantages that ensued are discussed. As a consequence, an inadequacy in the IEEE-488.2 standard was detected which is also pointed out in the paper.
Published Version
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