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+--- Thread: USB OTG connector? (/showthread.php?tid=2249)
USB OTG connector? - Triangles - 11-23-2017
How do I use the OTG USB connector as a 3rd USB port? Or maybe I should ask can I? I bought a OTG adapter with the USB micro connector to plug into the pi and a standard female USB plug on the other end. When I plug anything into it, it is as if there is no power to the USB port. I can use this adapter with an android phone so I know the adapter works. TIA for any help with this.
RE: USB OTG connector? - alexkidd - 11-23-2017
which board/system? i have no issues with RetrOrangePi 3 or 4 in an OPi One. I use a 4-port self powered hub and it works fine
RE: USB OTG connector? - Triangles - 11-23-2017
Oops I forgot to mention it's an OPi Lite.
RE: USB OTG connector? - alexkidd - 11-23-2017
please check contents of this file: /etc/systemd/system/serial-getty@ttyGS0.service.d/10-switch-role.conf
if you find an "echo 2", change to "echo 0"
RE: USB OTG connector? - Triangles - 11-28-2017
I found it and yes it's "echo 2" However it appears I need to be logged in as root to edit it. Unfortunately I have almost no knowledge of linux. I don't have any knowledge of the proper syntax or commands in terminal and I wouldn't know how to login as root. If there are some resources you could point me to to help me figure it out I would greatly appreciate it.
RE: USB OTG connector? - alexkidd - 11-28-2017
Code:
sudo nano /etc/systemd/system/serial-getty@ttyGS0.service.d/10-switch-role.confedit, press Ctrl X to quit, Y to save, then
Code:
sudo rebootRE: USB OTG connector? - Triangles - 11-29-2017
Wow that was pretty easy. Thank you!