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Teacher/Mentor Institute Using the Cortex Chuck Powell.

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Presentation on theme: "Teacher/Mentor Institute Using the Cortex Chuck Powell."— Presentation transcript:

1 Teacher/Mentor Institute Using the Cortex Chuck Powell

2 Introduction to easyC ® & Cortex Introduction to easyC ® & Cortex Page 2August 6-7, 2012 Adapted from and

3 Cortex Microcontroller Page 3August 6-7, 2012

4 Cortex Joystick Page 4August 6-7, 2012

5 VEXNet USB Keys and Tether Cable Page 5August 6-7, 2012

6 easyC ® V4 Programming Software Download from the website. Download from the website. Run as Administrator to install. Run as Administrator to install. Page 6August 6-7, 2012

7 Unlocking easyC ® Right-click easyC, Run as Administrator Right-click easyC, Run as Administrator Type in you CD Key and click Unlock. Type in you CD Key and click Unlock. Page 7August 6-7, 2012

8 Updating easyC ® Page 8August 6-7, 2012 Go to Help…Check For Updates. If you dont have the latest version, you can download updates.

9 Updating Controller and Joystick Start…All Programs…easyC v4 For Cortex…IFI VEXNet Firmware Utility Start…All Programs…easyC v4 For Cortex…IFI VEXNet Firmware Utility Page 9August 6-7, 2012

10 Updating Controller and Joystick Select SEARCH. If the response is Upgrade required then BOOTLOAD and YES. Select SEARCH. If the response is Upgrade required then BOOTLOAD and YES. Page 10August 6-7, 2012

11 Updating Controller and Joystick Click DOWNLOAD. Click DOWNLOAD. Afterward you should see: Afterward you should see: Page 11August 6-7, 2012

12 Updating Controller and Joystick Now repeat the entire SEARCH…BootLoad… Now repeat the entire SEARCH…BootLoad… DOWNLOAD process with the Joystick. DOWNLOAD process with the Joystick. Page 12August 6-7, 2012

13 Tethering Controller and Joystick After updating the firmware on both the joystick and Cortex: Connect the two devices with the tethering cable and turn them both on. Connect the two devices with the tethering cable and turn them both on. Wait until both VEXNet LEDs turn solid green. Wait until both VEXNet LEDs turn solid green. This lets the devices learn each others addresses, so that they can talk together wirelessly. Page 13August 6-7, 2012

14 easyC User Interface Menu Usage: File Menu New Project, Open, Close, Print Edit Menu Undo, Edit, Copy, Paste, Find Project Menu Project Type, Add Function, Import Function, Library Import Build and Download Menu Compile, Build and Download, Reload Default IFI Code Tools Terminal Window, Download Window, On-Line Window Window Block Layout, Block & C Layout Help Menu Contents, Registration, Updates Page 14August 6-7, 2012

15 easyC User Interface Icons New Project New Competition Project OpenSave Start Page Enable Function Blocks Enable Project Explorer Enable Output Panel Enable Controller Configuration Global Variables Page 15August 6-7, 2012

16 easyC User Interface IconsCompile Compile and Download Terminal Window Graphic Display On-line Window FindZoom Page 16August 6-7, 2012

17 easyC User Interface Function Blocks Program Flow Wait, If, Else, While, Timer, Assignment Inputs Limit Switch, Digital Input, Analog Input, Potentiometer Outputs Motor / Servo Module, Digital Output Joystick Tank (2 Stick), Arcade (Single Stick), Motor to Joystick, Motor to Digital (Button), Get Digital, Get Joystick Mathematics SIN, COS, TAN, Power, Random Page 17August 6-7, 2012

18 easyC User Interface Project Explorer Controller Configuration Change Inputs and Output, Label Ports Macros and Constants Create Definitions (aka C #define) Global Variables Variable with Global Program Scope Block Diagram Select Between Functions Source & Header Files Create or Import.c and.h files, Write C-Code Freehand Library Files Import a easyC® library Page 18August 6-7, 2012

19 easyC On-Line Window The easyC On-Line Window allows the user to see and control motors and sensors attached to the robot in real time. This can be enabled at any time. The easyC On-Line Window allows the user to see and control motors and sensors attached to the robot in real time. This can be enabled at any time. Note: The On-Line Window requires a program, even blank, be downloaded after updating the master firmware. Note: The On-Line Window requires a program, even blank, be downloaded after updating the master firmware. Page 19August 6-7, 2012

20 easyC TerminalWindow The easyC allows users to see output from PrintToScreen calls form within their program while the program is running on the Microcontroller The easyC allows users to see output from PrintToScreen calls form within their program while the program is running on the Microcontroller Page 20August 6-7, 2012

21 easyC TerminalWindow The easyC allows users to see output from GraphicDisplay calls form within their program while the program is running on the Microcontroller. The Graphic Display is a more advanced type of feedback that allows values to placed on grid instead of scrolling. The easyC allows users to see output from GraphicDisplay calls form within their program while the program is running on the Microcontroller. The Graphic Display is a more advanced type of feedback that allows values to placed on grid instead of scrolling. Page 21August 6-7, 2012 See Samples –> Graphic Display Joystick Test for code.

22 Creating a New Program File…New Competition Project File…New Competition Project Field Control Competition Project Field Control Competition Project Page 22August 6-7, 2012

23 Tank Drive Example This simple program would drive a robot with motors connected to motor ports 2(left) and 3(right). Using joystick channels 2(right stick) and 3(left stick) This simple program would drive a robot with motors connected to motor ports 2(left) and 3(right). Using joystick channels 2(right stick) and 3(left stick) Page 23August 6-7, 2012

24 Arcade Drive Example This simple program would drive a robot with motors connected to motor ports 2(left) and 3(right). Using joystick channels 2(left stick vertical) and 1(right stick horizontal) This simple program would drive a robot with motors connected to motor ports 2(left) and 3(right). Using joystick channels 2(left stick vertical) and 1(right stick horizontal) Page 24August 6-7, 2012

25 Next: BEST Control System BEST Control SystemBEST Control System (BEST Robotics, Inc.) August 19, 2011 Copyright © 2011 BEST Robotics, Inc. All rights reserved. 25


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