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uart0 gone missing
I have had problems getting pypilot connecting to the motor controller.

It worked two days ago but sorting other problem may have lef to this one.

When I enable all 5 uarts with the serial 3.3.0, they all appear except uart0, which I need for the pypilot motor controller.

The only other device is a usb gps puck which is working fine.

What might the problem be?
I posted my problem on the OpenCPN forum but they told me to go away. So, here is my problem again:

Where is /dev/ttyAMA0? I cannot find it and not sure whether it has been disabled somehow. When I select all the GPIO uart options, they all come up except the one I need for PyPilot. The only other device which shows up is the GPS USB puck /dev/ttyACM0. Any suggestions?

I can't seem to post an image of the devices which show up but it's over here:

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