use or disclosure of data contained on this page is subject to the restriction on the cover page of...

Use or disclosure of data contained on this page is subject to the restriction on the cover page of this presentation.

Instrumentation Hardware Abstraction Language (IHAL) Demonstration

Knowledge Based Systems, Inc.College Station, Texas

L-3 Telemetry East

AFFTC – Edwards AFB

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©2009 Knowledge Based Systems, Inc.


The Problem

HardwareComponent 1

ISS 1

HardwareComponent 4

HardwareComponent n

HardwareComponent 2

ISS mISS 3ISS 2

HardwareComponent 3

...

...

N x M Translations

Vendor-Specific Hardware Representations

Diverse ISS Development Environments

Version Management

Vendor-ProprietaryConfiguration Rules


The Solution

HardwareComponent 1

ISS 1

HardwareComponent 4

HardwareComponent nHardware

Component 2

ISS mISS 3ISS 2

HardwareComponent 3

IHAL

...

...

N + M Translations

Vendor Neutral

XML-Based

Ease of Integration

Proprietary Rules not exposed


IHAL Key Features

• Instrumentation Hardware Abstraction Language

• Comprehensive representation and integration of instruments, cards and transducers– IHAL represents instruments (DAUs, network devices, etc.), cards

(signal conditioners, bus interface modules, PCM encoders, multiplexers, etc) and transducers (pressure sensors, strain gauges, etc.) in a consistent manner.

• Vendor neutral– IHAL includes generic representations that can be translated to /

from vendor-specific internal representations.

• Standards-based– XML-based representation is a well-establish standard for

representing structured data.


IHAL Key Features (con't)

• Supports hardware capability descriptions– IHAL “pool” features represent device descriptions at the level

found in marketing or engineering datasheets.

• Supports current configuration descriptions– IHAL “use” features represent the realized network (multiple

instances of the same device identified by serial number) and the connection among the device instances, as well as the configuration of each instance.

• Extensible– The IHAL schema can be easily extended to represent vendor

specific concepts (i.e., proprietary bus types) and arbitrary name-value pairs to support vendor applications.

• Component-based– The IHAL schema is designed in such a way as to allow users to

use only what they need for their application


IHAL Benefits• Enables complete instrumentation hardware

descriptions• Consistent modeling framework

– Functional decomposition

• Broad representation– Represents instruments, transducers, connections, pool data

and instance data

•Vendor-independent automated reasoning– A vendor-independent language is needed to do automated,

cross-vendor reasoning


Protecting Proprietary Rules

• Need to protect vendor proprietary configuration rules• E.g. Setting parameter X affects the available

values for parameter Y.

• Define a standard API for configuring hardware settings

• When user attempts to set a value:• Make call to vendor’s implementation of API• Vendor returns the “impact”

• Which settings changed?• Which settings now have restricted values?


Vendor Proprietary Software (Multiple

Vendors)

Standards - based Software

Open Standards

IHAL

IHALConfiguration

API

Vision

Hardware Programming

Configuration logic

Instrumentation Visualization

Instrumentation Selection

Instrumentation Configuration

Hardware ProgrammingHardware

Programming

Configuration logicConfiguration

logic


API

Request configuration

IHAL Hardware Tree

IHAL configuration change

IHAL Impact

Vision

Standards - based Software

Instrumentation Visualization

Instrumentation Selection

Instrumentation Configuration

Vendor Proprietary Software (Multiple

Vendors)

Hardware Programming

Rules for parameter

setting

Hardware ProgrammingHardware

Programming

Rules for parameter

setting

Configuration Logic


Vendor Proprietary Software

Standards – Based Software

Open Standards

IHAL

IHALConfiguration

API

InstrumentMapL-3 Vista TEC

Demonstration


Standards – Based Software

Vendor Proprietary Software

Web

Ser

vice

(R

ES

T o

ver

HT

TP

)

InstrumentMapL-3 Vista TEC

Request configuration

IHAL Hardware Tree

IHAL configuration change

IHAL Impact

Demonstration

Conforms to IHAL Configuration API Specification

http://...

http://...


Benefits

• Supports multi-vendor hardware configuration from single user interface

• Vendor-neutral, standards-based method of storing and representing hardware configurations

• Vendor-neutral, standards-based method of configuring hardware

• Does not require exposure of proprietary configuration logic


Points of Contact

• L-3• Joe Sulewski ([email protected])

• EAFB– Charles Jones ([email protected])– Dalphana Bowman

([email protected])

• KBSI– John Hamilton ([email protected])– Timothy Darr ([email protected])– Ronald Fernandes ([email protected])

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