Thread: ARENA Fault
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Unread 17-03-2010, 21:24
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AKA: Kyle
FRC #2481 (Roboteers)
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Join Date: Feb 2008
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Re: ARENA Fault

Quote:
Originally Posted by Al Skierkiewicz View Post
Eric and Kyle,
I believe I was the inspector. The team (and many other teams) brought me an adapter that they couldn't ping. Neither could I, even after two manufacturer resets. I could not connect, I could not see the web interface although it appeared to be handshaking to the computer. A power reset at one point, sent the device into never never land and it never completed. The team took it from me when it would not boot. I merely confirmed what they already thought.
In the final match in Wisconsin, three robots failed. I was informed that two of them lost the Classmate due to dead batteries and the third was a shutdown of the USB hub powered from the Classmate, also a battery issue.
I wish I had a nickel for every match I have missed because I was helping a team. I could buy a nice lunch.
I believe the alliance station also flashes during autonomous if a robot is not running autonomous code.
Al, We thank you for trying to help us with our radio last second. We were in the web interface and configuring it fine. We simply had a configuration question. From what I understand from other threads the program where you simply enter the team number does not work with the newer radios. Would have been nice to know that then. Oh well. After it was reset completely we did not have the time that it would take to configure it from scratch because after applying nearly every setting you have to wait for the device to restart which takes nearly a minute. The robot worked in the next match so the drivers told us to forget about messing with it.

Al, Do you by chance recall which teams were because of dead classmate batteries? We didn't have a USB hub so I would assume one of them was us but I also know that team 1736 let us use there fully charge classmate battery because First did not provide a way (that we were aware of) to charge the classmates during the final matches. I recently found out about the inverter option with a spare robot battery.

The reason I want to know how the comm status is determined is because there are multiple network connection between the classmate, FMS, and the robot. I fully understand a robot radio loosing comms is our fault. There are a countless number of things that could cause this. If the classmate battery is fully charged, ethernet cable securely connected and the classmate looses comms to the FMS I would have to blame the field/arena. The classmate is an unmodified (software and hardware) product from First so nothing the team does aside from the previously mentioned network cable being plugged in properly would influence the comms between the classmate and the FMS. If I am wrong here correct me.
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Is this a "programming error" or a "programmer error"?