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The JIAWG input/output system (JIOS)

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2 Author(s)
Newport, J. ; US Naval Avionic Center, Indianapolis, IN, USA ; Roark, C.

The joint integrated avionics working group (JIAWG) input/output system (JIOS) provides the software/hardware interface for built-in-test (BIT) and I/O provided via the PI-Bus and TM-Bus for the JIAWG 16-bit common modules. The need for JIOS, the functionality of the JIOS, concerns related to the use of the JIOS, and a planned JIOS demonstration are presented. The JIOS is intended to be a generic software interface for BIT, as well as PI and TM buses. The hardware and software which comprise the JIOS are required to be an integral part of the module architecture so that no operational software downloads are needed. The JIOS features are specified by the JIAWG input/output built-in-test interface definition specification (IOBIDS). IOBIDS contains a complete definition of the user interface, including functions provided, called sequences, parameter type definitions, and special user requirements. These definitions are provided as an Ada package specification with no package body, for each functional area. The JIOS is a unique approach which carries with it technical risk associated with performance and program size

Published in:

Aerospace and Electronics Conference, 1990. NAECON 1990., Proceedings of the IEEE 1990 National

Date of Conference:

21-25 May 1990