We are trying to plug in multiple cameras into the Robo-Rio, but it only works when they are directly plugged in, not with a USB hub. Is there any way to fix this, or is there an alternative way to plug in 3 or more cameras?
I have not tried a USB hub on the RIO, we use a co-processor, BUT, you can easily overrun the throughput on the USB with multiple cameras. I’ve had to tune my camera input bitrates (one high, two very low) in order to get multiple cameras to work via USB on the Jetson - what I found was that one or more of the cameras would not start properly if I tried to push too much data.
Old thread that suggests USB hubs are supported with roboRio: roboRIO usb
Are you using SmartDashboard? If so for us it’s as simple as creating a new CameraStream, and our camera is plugged in to a coprocessor (Raspberry Pi), not the RIO itself.
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