System and method for mapping driver level event function calls from a process-based driver level program to a session-based instrumentation control driver level system
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United States of America Patent
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Jun 23, 1998
Issued Date -
N/A
app pub date -
May 6, 1997
filing date -
May 4, 1994
priority date (Note) -
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Abstract
A system and method for enabling applications written for SICL driver level software to operate with a VISA system. The present invention maps driver level event function calls from the SICL driver level library to VISA resource operations. This enables a VISA system to operate in conjunction with applications written for the SICL I/O library. The SICL Driver level library provides a completely different methodology for enabling and handling events than does a VISA system. According to the present invention, the method verifies and translate session identifier parameters from SICL functions to corresponding session identifiers in a VISA system. The method also verifies and translates interrupt condition parameters from SICL to corresponding event types in VISA for numerous event functions. Further, the method examines parameters in various SICL event functions and invokes the appropriate VISA operations to perform the indicated functions. In many instances, the method of the present invention is required to invoke multiple VISA operations to perform the desired functions indicated by a single SICL function. The method of the present invention performs many other operations necessary to map SICL event commands to the appropriate VISA operations.
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