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Chapter 4: Prog ramming the P arallax Propeller Chip 89
Figure 4.18 PWM signal waveform with a 1.5-ms pulse width and 50-Hz rate.
The Top Object is delegating clock configuration responsibilities to one of the component
objects referenced by the reference name system whose file name is Propeller Board of
Education. If you examine the source code for the Propeller Board of Education, you will
find nearly the same code that I used in the FastBlinker1 program to set the clock. This
delegation approach is useful, and it does minimize the code in the Top Object. It really boils
down to your approach to coding, especially if there are multiple Top Objects to be used in
a situation such as the Learning Tutorials where this code came from.
The next line in the Go method is:
servo.Set(14, 0)
Figure 4.19 1 Center Servos Full Source view.
