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The Use of Hardware Abstraction Layers in Automated Calibration Systems

The Use of Hardware Abstraction Layers in Automated Calibration Systems. Speaker/Author: Paul Packebush Metrology Group Manager Author: Rishee Bhatt Staff Calibration Engineer. Agenda. Where to find software in calibration systems Instrument Control

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The Use of Hardware Abstraction Layers in Automated Calibration Systems

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  1. The Use of Hardware Abstraction Layers in Automated Calibration Systems Speaker/Author: Paul Packebush Metrology Group Manager Author: Rishee Bhatt Staff Calibration Engineer

  2. Agenda • Where to find software in calibration systems • Instrument Control • Hardware Abstraction Layers • Industry-Standard • Vendor-Defined • User-Defined • HAL Architecture • Object-Oriented Design • Pitfalls • Questions

  3. Software In Calibration Systems

  4. Instrument Control

  5. Instrument Service Life

  6. Hardware Abstraction Layers (HALs) • Layer between hardware and software • Used in modern operating systems • Standardizes interaction with different hardware architectures

  7. Hardware Abstraction Layers (HALs) Industry-Standard Vendor-Defined User-Defined

  8. User-Defined HAL Architecture

  9. Decoupling

  10. Object-Oriented Design Player 14 Score Hand

  11. Inheritance & Dynamic-Dispatch

  12. Drop-In Replacement • Functionality Concerns • Does the instrument support the functionality needed? • Accuracy Concerns • Does the instrument provide the necessary level of accuracy?

  13. Summary • Benefits of a HAL • Decoupling • Dynamic Instrument Interchangeability • Object-Oriented Design • Inheritance • Dynamic Dispatch

  14. Questions?

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