RFLink connected to /dev/ttyUSB0 not working

[ulysse132]

Hello,

I've build my own RFLink using an arduino. It work very well on RPi.

But I have problem to make it work on Rock64. It worked this morning but after a restart (sudo reboot), it didn't work anymore.
Domoticz is configured to connect to RFLink via /dev/ttyUSB0.
After the restart, I have this error :

Error: RFLink: Error opening serial port!

I have no idea to solve it. Could you please help me ?

I use ayufan's latest stable version of xenial linux.
On RPi, the solution was to add 

Code:

enable_uart=1

to /boot/config.txt but there isn't any config.txt file.


Thanks a lot !