[Ben Zimmer]

Hi Everyone,

I've posted a new TipJar video, giving a summary of the FRC TipJar Videos so far, as a tour of Team 843's FRC code.

Although intended primarily for FRC teams and mentors, the ideas may prove helpful to anyone working in LabVIEW.

http://www.lvmastery...ipJar2009-07-02

The purpose of this video is not to teach new concepts, but to relate back to ones taught in previous Tip Jars.

I discuss:

• The concept of robustness: good code can be easily modified, debugged, scaled to work in different situations.
• The Block Diagram, Begin VI, TeleOp VI, Lifter VI, Steering VI, Debugging VI, and Autonomous Independent.
• The uses of the “Command Signal”: initializing it, writing to it, and reading from it.
• The use of “Boolean trigger” to have actions take press on joystick button presses only when pressed or released.
• A consistent and robust approach for programming a robot function VI using a "shifter".
• How to create and use “Re-entrant VIs” to modularize and reuse code for identical robot subsystems in parallel.
• How to use the command signal architecture to create a simple autonomous VI which uses the full functionality of your robot code.

All the best,
Ben

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Ben Zimmer
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