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Setting Up and Programming the Cortex Microcontroller with easyC

This guide provides step-by-step instructions for charging batteries, setting up the Cortex microcontroller with easyC, and updating firmware. Before starting any programming, ensure that both 7.2V batteries and 6 AAA batteries in the joystick are fully charged. Follow the procedures for connecting the devices using the VEXNet USB tether, installing easyC software, unlocking it, and updating the firmware on both the controller and joystick. Get comprehensive tips for testing, programming options, and joystick calibration from BEST Robotics resources.

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Setting Up and Programming the Cortex Microcontroller with easyC

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  1. Using the Cortex Carolyn Bauer July 21-22, 2014

  2. Charge the Batteries • Before you begin any work, charge the following: • Both 7.2 V batteries • All 6 AAA batteries

  3. Introduction to easyC® & Cortex™ Adapted from http://www.intelitekdownloads.com/easyCV4/intro.pdf and http://best.eng.auburn.edu/stored_procedures/folder-manager/create-folder.php?folder=491&parent_id=489

  4. Cortex™ Microcontroller

  5. Joystick

  6. VEXNet™USB A-A Tether Cableand USB Keys

  7. Setup for Download of Firmware to Cortex/Joystick • AAA batteries in joystick • Connect programming cable • Power on • Open easyC • Use same connection with Cortex microcontroller

  8. Install easyC • Install easyC v4 for Cortex (Trial version) on your computer • Download from http://www.intelitekdownloads.com/easyCV4/

  9. easyC®V4 Programming Software • Download from the website. • Run as Administrator to install.

  10. Unlocking easyC® • Right-click easyC , Run as Administrator • Type in your CD Key and click Unlock.

  11. Updating easyC® Go to Help…Check For Updates. If you don’t have the latest version, you can download updates.

  12. Updating Firmware on Controller and Joystick We have done this already in 2014 • Start…All Programs…easyC v4 For Cortex…IFI VEXNet Firmware Utility

  13. Updating Controller and Joystick • Select SEARCH. If the response is Upgrade requiredthen BOOTLOADand YES.

  14. Updating Controller and Joystick • Click DOWNLOAD. • Afterward you should see:

  15. Updating Controller and Joystick • Now repeat the entire SEARCH…BootLoad… DOWNLOAD process with the Cortex Microcontroller.

  16. Tethering Controller and Joystick Do this in 2014 After updating the firmware on both the joystick and Cortex microcontroller: • Connect the two devices with the tethering cable and turn them both on. • Wait until both VEXNet LEDs turn solid green. This lets the devices learn each other’s addresses, so that they can talk together wirelessly.

  17. BEST Control System • From BEST Robotics, Inc. online Resources • Includes photos of all items in Returnable Kit • Hookups, labels, system features of Cortex • Motor connections & motors, servos • Digital, analog connections • BEST default firmware (default program) • Programming options • Testing tips; team tips; joystick calibration • Where to find help

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