1 Exercise 1: Install PC Software & NXT Firmware Install FTC Software 2010 CDs (LabVIEW + MINDSTORMS software + FTC Toolkit) Upgrade NXT firmware to 1.28

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Exercise 1: Install PC Software & NXT Firmware

• Install FTC Software 2010 CDs (LabVIEW + MINDSTORMS software + FTC Toolkit)

• Upgrade NXT firmware to 1.28(LabVIEW >> Tools >> NXT Tools >> NXT Terminal >> Update Firmware)

LabVIEW: NXT & TetrixTraining & Exercises

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Overview• NXT Review• NXT-G LabVIEW• General Programming• LabVIEW (NXT)• LabVIEW (Tetrix)• Resources• Learn More

NXT-G LV Gen. Prog. LV NXT LV TetrixNXT Review Resources

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NXT Hardware

• Inputs (to NXT Brick) Touch Sensor Sound Sensor Light Sensor Ultrasonic Sensor Rotation Sensor NXT Buttons Temperature Sensor (Legacy) Read Bluetooth Messages (Read Files) NEW: IR Sensor

• Outputs (from NXT Brick) Motor Sound Display Lamp (Legacy) Write Bluetooth Messages (Write Files)


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NXT-G Environment

Workspace

Palettes

Block

Download Options

Configuration Panel Help


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LabVIEW Environment

Workspace

Palettes

Block

Download Options

Configuration Panel Help

Context Help Window

NXT Toolkit Palette

BlockDiagram

Constants(Inputs)

NXT Terminal Window

VI(Block)


jrutledg

edit w/ targeted pic

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General Programming

• Data Types Numeric Boolean String Ring

• Dataflow• Loops


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Data Types: Numeric• Whole Numbers (0,2,-10, …)

• Decimal Numbers (2.2, 12.3, -15.1, …)

Which takes up more memory?


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Data Types: Boolean

• For Example: On/Off Yes/No True/False


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Data Types: String

• Grouping of Characters


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Data Types: Ring

• List of Predefined Items User Can Select


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Dataflow

• Sequence Beam

• Sequence Flow In/Out


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Loops

• Repeat Code


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LabVIEW (NXT)• Context Help Window• User Documentation• Constants• Case Structures• Variables• Real Time User Interaction with Brick• Program Download Options• Debugging


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Context Help Window

• Help >> Show Context Help• Terminals

Required Recommended Optional


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User Documentation• Labels (attached)

Right-click >> Show >> Label• Free Labels (unattached)

Double click


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Constants

• Configuration Panel • Block Diagram


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Case Structures

• Switch (NXT-G)

• Case Structure


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Variables

• Variable (NXT-G) • Local Variable


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Exercise 2: (NXT) Motor

• Task: Move robot in a square using Move Motor and

Timing VIs


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Exercise 3: (NXT) Motor + Light Sensor

• Task: Move robot inside a square outlined by tape using

Light Sensor


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Real Time User Interaction with Brick

• Front Panel• Controls• Indicators• Plotting Data


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Program Download Options

• NXT Terminal (Tools >> NXT Tools >> NXT Terminal)

Compile and Download Compile, Download, and Run Debug

• Front Panel linked to running code Abort


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Exercise 4: (NXT) Motor + Light Sensor + Front Panel• Task:

Alter Exercise 3: (NXT) Motor + Light Sensor Put light detection threshold value on Front Panel Put turn degrees on Front Panel


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Debugging

• Debug (download option)

• Broken “Run” Arrow in LabVIEW

• Context Help


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Demo 3: Direct Commands

• Task: Scan for all Available NXT Bricks User Selects One Brick to Connect Query Brick for All of Its Files Remotely Start One Program Remotely Stop the Program


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LabVIEW (Tetrix)

• New Hardware Items• Tetrix VIs• Additional Need-to-know


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New Tetrix Hardware Items

• DC Motors• Motor Controller• Servos• Servo Controller• Touch Mux• Compass


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Tetrix VIs (formerly FTC)


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FTC Tools

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Additional Need-to-know


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Exercise 5: 4 Tetrix Motors + 2 NXT Motors• Task:

Move Robot in a Square Open/Close Claws Every 5 seconds


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Demo 4: ConstantSpeedGodz

• Task: Constant Speed Dead Zone Implementation Sound File Controller Station


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Resources

• “If You Forget Everything Else”• Help• Examples• Big Differences


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“If You Forget Everything Else”

• When in doubt, Right-click.• Constants = Inputs (on Block Diagram)• Controls = Inputs (on Front Panel)• Indicators = Outputs (on Front Panel)• Palettes (Right-click on Block Diagram, Front Panel)

• Context Help (“?”, CTRL + H, Help >> Show Context Help)

• NXT Terminal (Tools >> NXT Tools >> NXT Terminal)


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Help

• Right-click• Context Help (“?”, CTRL + H, Help >> Show Context Help)

• LabVIEW Help (Help >> Search the LabVIEW Help… >> Search: “NXT”)

• PDF Manuals (C:\Program Files\National Instruments\LabVIEW 2009\manuals)

NXT_Getting_Started NXT_Advanced_Programming_Guide FTC_Getting_Started

• LabVIEW for LEGO MINSTORMS NXT (by Michael Gasperi)

• www.ni.com/academic/mindstorms/


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Examples

• NXT www.ni.com >> Search: “nxt example”

• Tetrix C:\Program Files\National Instruments\LabVIEW 2009\examples\FTC Toolkit


http://www.ni.com/

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Big Differences: NXT-G & LabVIEW• Sequence Beam vs. Sequence Flow In/Out• Front Panel• Debug in Real Time (download option)• Direct Commands• Data Logging• Arrays, Clusters• Numeric, Boolean, String Manipulation• Mathematical Processing• …

Questions?


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Learn More• Tool Selection Window• Arrays

Graphs• Clusters• Write/Read to File• Flat Sequence Structure• How to Remotely Control your NXT with

LabVIEW• Latching/Switching Booleans


Documents

1 Exercise 1: Install PC Software & NXT Firmware Install FTC Software 2010 CDs (LabVIEW + MINDSTORMS software + FTC Toolkit) Upgrade NXT firmware to 1.28