moham_96
Posts: 2
Joined: Sat Aug 12, 2017 5:02 pm

Raspberry pi 3 as a UART adapter

Sat Aug 12, 2017 5:11 pm

Hi,
I'm trying to use the raspberry pi 3 as a serial adapter to debug another board I've read many topics and tried a lot of tricks (editing cmd.txt disabling hciuart in systemd) but none of them worked. Currently, when I connect my board I see nothing in minicom and when connecting the two data pins together I'm not getting a loop back

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topguy
Posts: 3295
Joined: Tue Oct 09, 2012 11:46 am
Location: Trondheim, Norway

Re: Raspberry pi 3 as a UART adapter

Sat Aug 12, 2017 7:35 pm

You should only need to use "sudo raspi-config" to disable the console on the UART and then use "/dev/serial0".

moham_96
Posts: 2
Joined: Sat Aug 12, 2017 5:02 pm

Re: Raspberry pi 3 as a UART adapter

Mon Aug 14, 2017 8:12 am

topguy wrote:
Sat Aug 12, 2017 7:35 pm
You should only need to use "sudo raspi-config" to disable the console on the UART and then use "/dev/serial0".
Didn't work, i used a freshly installed and updated rasbian and used raspi-config to disable serial login shell and serial port and rebooted, once i rebooted i tried to use /dev/serial0 as you suggested but there was no /dev/serial0 there was only /dev/serial1 which is a symlink to /dev/ttyAMA0 i tried to use it in minicom but no loopback either :(

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