RS485/CAN hat for raspberry PI 4 4GB Not working? possible failure of boot process?
by AltarouteRnD from LinuxQuestions.org on (#4ZJJ8)
Hi everyone,
This is my first post so please be gentle on the technical jargon. I do have a year of experience thus far so no totally unable.
My issue is that i am trying to use a RS485/CAN Hat for the raspberry pi 4 (4GB model).
I can get the device to work on raspbian as the product ships with instruction for raspbian. However due to the industry we are involved in we must stick with ubuntu 18.04 LTS. This is where the problem lies as the same set of instructions do not work.
I have already tried editing the boot partition with the correct overlay files and editing config.txt to call upon the .dtbo file.
Whenever i run ls -l /dev/ttyS* i only every get TTYS0 as being enabled. this is natively enabled anyway by the PI.
If anybody could advise on what I'm potentially doing wrong that would be great.
This is my first post so please be gentle on the technical jargon. I do have a year of experience thus far so no totally unable.
My issue is that i am trying to use a RS485/CAN Hat for the raspberry pi 4 (4GB model).
I can get the device to work on raspbian as the product ships with instruction for raspbian. However due to the industry we are involved in we must stick with ubuntu 18.04 LTS. This is where the problem lies as the same set of instructions do not work.
I have already tried editing the boot partition with the correct overlay files and editing config.txt to call upon the .dtbo file.
Whenever i run ls -l /dev/ttyS* i only every get TTYS0 as being enabled. this is natively enabled anyway by the PI.
If anybody could advise on what I'm potentially doing wrong that would be great.