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Professional Windows® Embedded Compact 7 by Thierry Joubert, David Jones, Samuel Phung

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Chapter 31

Interrupts

WHAT’S IN THIS CHAPTER?

  • Understanding interrupts
  • Exploring Compact 7 Interrupt Architecture
  • What are installable Interrupts?
  • Using Compact 7 Message Queues
  • Understanding watchdog timers
  • Using the eBox 3300 watchdogs to generate interrupts
  • Creating a native DLL project and application that calls it

This chapter covers everything you need to know to get started with implementing and using interrupts with a Compact 7 system. It introduces interrupts and then discusses the Compact 7 interrupt architecture for IRQs, ISTs, and system interrupts. Watchdog timers are then introduced and a detailed example explains how to use them to generate system interrupts and how to trap these in user code. Also, you learn how to create a native DLL subproject as well as a native application subproject that calls the DLL.

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