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Unread 23-03-2012, 07:06
Greg McKaskle Greg McKaskle is offline
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Re: D-link dropping out

The watchdog and communications are related, but let me dig a bit deeper in your symptoms.

If your robot loses communications with the DS, the FPGA System watchdog will disable the robot outputs. This is the same as the disable mode of the DS, but the DS doesn't have to send it. Incoming packets allow the robot to be a mode other than disabled. Your Diagnostics should contain a message each time this happens with the total times the FPGA disables it.

If you are using a User watchdog in your code and you don't feed it, your robot will be disabled even though it still has communications. This is useful for debugging code, for runaway code without a runaway robot, etc. The Diagnostic window will get a printout and the User number should be the one that is increasing.

Can you say which was causing your issue?

Greg McKaskle