INtime® 3.1 Software - tenAsys

Contents
Part I
Chapter 1
Chapter 2
Introducing INtime software
Overview
How does INtime software work ........................................................................................ 3
Running an INtime application in Windows .............................................................. 4
Communication between Windows and RT threads ............................................ 4
Considerations for INtime applications running on a single processor PC ......... 5
Considerations for INtime applications running on a multiprocessor PC ........... 6
Developing an INtime application ....................................................................................... 7
Design considerations.................................................................................................... 7
Code development......................................................................................................... 7
Features ................................................................................................................................. 8
Development environment............................................................................................ 8
Wizards ................................................................................................................... 8
Libraries .................................................................................................................. 9
Debuggers................................................................................................................ 10
Sample applications............................................................................................... 10
Runtime environment ................................................................................................... 12
RT enhancements to Windows .............................................................................. 12
Memory protection................................................................................................. 12
Blue screen protection ........................................................................................... 13
Understanding INtime software architecture
How INtime software and Windows work together to run RT applications ...................... 15
Topology terminology.................................................................................................... 17
INtime on a single PC............................................................................................. 17
INtime distributed across multiple PCs................................................................. 17
Transport mechanisms .................................................................................................. 19
About the OSEM..................................................................................................... 20
How the RT interface driver works........................................................................ 21
About remote NTX ................................................................................................. 22
About the Windows HAL .............................................................................................. 23
About thread scheduling ...................................................................................................... 23
Priority-based scheduling.............................................................................................. 23
Execution state .............................................................................................................. 23
Round-robin scheduling................................................................................................ 25
Handling interrupts .............................................................................................................. 25
Interrupt handler alone ................................................................................................. 26
Interrupt handler/thread combination.......................................................................... 26
Managing time ...................................................................................................................... 27
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