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Reference

Project Lead The Way

and Carnegie Mellon Robotics Academy

/ For use with VEX

Robotics Systems

Troubleshooting ROBOTC with Cortex • 4

Troubleshooting ROBOTC with Cortex

10.AdditionalSteps

• Tryusingthesameprogramonanothercomputer,withthesameCortex.

• Tryusingthesameprogramonthesamecomputer,withadifferentCortex.

• TryusingadifferentUSBA-to-Acable.

Problem: Not able to Download ROBOTC Firmware over USB

1.WasthecorrectstartupsequencefollowedwhenconnectingtheCortextothecomputer?

• StartwiththeCortexTurnedOFF

• ConnecttheCortextothecomputeroverUSB

• TurntheCortexOn

• RetrydownloadingtheROBOTCFirmware

2.HastheMasterCPUFirmwarebeensuccessfullydownloaded?

• DownloadtheMasterCPUFirmware .........................

• RetrydownloadingtheROBOTCFirmware

3.IsthecorrectPlatformTypeSelected?

• VerifythatthecorrectplatformtypeisselectedunderRobot>PlatformType

• RetrydownloadingtheROBOTCFirmware

4.Istheconnectedbatterysufcientlycharged?

• Swapinafullychargedbattery

• RetrydownloadingtheROBOTCFirmware

5.DoestheCortexneedtobepowercycled?

• StartwiththeCortexTurnedOFF

• ConnecttheCortextothecomputeroverUSB

• TurntheCortexOn

• RetrydownloadingtheROBOTCFirmware

6.TryanotherUSBportonthecomputer.

• StartwiththeCortexTurnedOFF

• ConnecttheCortextothecomputeroverUSB

• TurntheCortexOn

• RetrydownloadingtheROBOTCFirmware

7. Restart ROBOTC.

• CloseROBOTC

• OpenROBOTC

• RetrydownloadingtheROBOTCFirmware

8.Restartthecomputer.

• Restartyourcomputer

• OpenROBOTC

• StartwiththeCortexTurnedOFF

• ConnecttheCortextothecomputeroverUSB

• TurntheCortexOn

• RetrydownloadingtheROBOTCFirmware

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Vex CORTEX Manuale delle Istruzioni Pagina 103

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