Chapter 6

Real Time

Chapter Outline

6.1 Real-Time Systems

6.2 Visualizing Program Models of Embedded Systems

6.3 Event Handling in Embedded Systems

6.4 Programming for Interrupts

In my original plan for this book, I had a single chapter allocated to all real-time related articles, whether this included real-time operating system (RTOS) topics or not. I then concluded that I should emphasize the fact that there’s more to real-time than RTOSes. So these articles got a chapter to themselves.

6.1 Real-Time Systems

Back in 1992, when I wrote the original NewBits article, upon which this piece is based, there was an increasing feeling among embedded developers that “real-time” meant “real-time operating system” (RTOS). This was an attitude only ...

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