VABTutorial

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Unformatted text preview: $ 7 8 7 2 5 , $ / $ 7 8 7 2 5 , $ / $ 7XWRULDO Getting up to speed with VAB This chapter is designed to get you up and running with the VAB software as quickly as possible. You may find it helpful to follow the tutorial along and actually re-create the demonstrations presented here with your VAB software and C31 DSK. This way you will actually be able to learn how to use VAB more easily and quickly. If you desire to re- create the demonstrations shown in this tutorial you should verify that your C31 DSK is properly communicating with VAB before proceeding ( see Chapter 1 for information on verifying VAB / DSK communications ). Several of the more commonly used commands will be presented in this chapter as are some of the common steps used in creating your own worksheets. It’s recommended that in addition to this section, you read through the rest of this user manual for further information and additional suggestions. The steps listed in this tutorial show how to: 1. Start a new VAB worksheet session 2. Select block components 3. Establish data flow connections 4. Change a block’s parameters 5. Run the worksheet 6. Using a Parameter Connect 7. Use edit cut/copy/paste/undo functions 8. Use hierarchy in a worksheet 9. Save the Worksheet 6WDUWLQJ D 9$% 6HVVLRQ The first step in creating a block diagram real-time design with VAB is to start a new worksheet. A worksheet is a window which serves as a work space for your applications, and may be thought of being like a piece of paper in which a block diagram may be drawn. Each worksheet can contain many different block components that are arranged in a structured block diagram algorithm. Many worksheets can be opened and maintained while in the VAB environment, but only the worksheet chosen as the active worksheet can be executed. The active worksheet filename is displayed in the VAB application caption bar. Choosing the File menu New &KDSWHU 9 $ % ² 6 7 $ 5 7 ( 5 · 6 * 8 , ' ( 9 $ % ² 6 7 $ 5 7 ( 5 · 6 * 8 , ' ( command will cause an empty worksheet to be loaded. It is in this window where you will place your block components. If you desire to re-create the demonstration shown in this tutorial you should select the VAB File New menu command to bring-up an empty worksheet. This will produce a VAB worksheet similar to the figure shown below: VAB with an Empty Worksheet 6HOHFWLQJ %ORFN &RPSRQHQWV Block components can be placed onto the active worksheet by using the Block Function Selector tool, or by using VAB’s block component Toolbars. Choosing the VAB Blocks menu Select Blocks... command will cause the Block Function Selector dialog box to appear. The Block Toolbars will appear as “dockable” toolbars in the VAB work area....
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This note was uploaded on 02/26/2012 for the course EE 4150 taught by Professor Wu during the Fall '10 term at LSU.

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VABTutorial - $ 7 8 7 2 5 , $ / $ 7 8 7 2 5 , $ / $...

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