Quote:
Originally Posted by Greg McKaskle
The CAN devices allowed on FRC robots are running a firmware that relies on safety tokens on the roboRIO to provide an extra level of safety. If the robot is Estopped or disabled, the CAN devices need to go into safe mode, even when they have been told to do closed loop operations like position control.
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This is a really interesting idea. Can you explain some more on how this works? I'm assuming the roboRIO sends a token to each device going "keep on working" and that the device stops after it hasn't seen a token in some time. Is this correct?