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Structured Development for Real-Time Systems by Paul T. Ward, Stephen J. Mellor

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Appendix A. Cruise Control System

Implementation Resources

The cruise control system is to be implemented on a single powerful microprocessor with 16 interrupts which shall be connected to the control signals that come from the driver’s console.

The system software for the chosen microprocessor permits several (up to 8) tasks to run simultaneously, and it has the capability to schedule tasks on a timer to a resolution of 10 milliseconds. The operating system and the interrupt handler each count as a single task. The operating system occupies 16K bytes of memory; each task may occupy up to 16K bytes. However, the total memory ...

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