What hardware are you using for hosting klipper and mainsail? Are you using a pi and mainsail os or a pi with raspberry pi os and kiauh to setup klipper and mainsail? Could you post your klippy.log?
this post was submitted on 23 Jun 2023
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Hardware is a Pi4, 4GB. I've looked through the log, don't know how to upload file here for you to look through it, and it's too long for character limit. It does indicate issues with the serial port, either permission denied in the case i tried tty0 symlink, or no such file or directory when going strait to the serial/by-id.
I've tried many setups. First was following https://www.klipper3d.org/Installation.html#obtain-a-klipper-configuration-file With octopi. Next was another guide that I can't seem to find the link to again. But was a default raspbian lite x32, and installing klipper and mainsail on top with kiauh. next was this guide https://www.obico.io/blog/install-klipper-ender-3/ which I modified for the Ender5+ (what processor to compile for)
I've had varying success, initial try the USB wouldn't show in serial/by-id, I swapped cables and still had no entry. Swapped cables back and tried the next guide/OS, and that gave me the entry in serial/by-id.
also I Tried using the symlink tty0, but that didn't work either.
For the current OS/Setup I think i've messed with too many things, and just need to start over from fresh OS. But I can't think of anything different to try.
Since you mention permissions/access denied, have you given your user permissions to use serial? You can do this with:
sudo usermod -a -G dialout $USER
What is the output of:
ls -al /dev/serial/by-id/*
This is likely the problem. I'll try it when I get off work.
Thanks!!
Thank you for pointing me in the right direction.
Pi Imager lets you option for a username change. I changed it originally, and mainsail is setup for "pi" user normally.
I reflashed with pi Imager, without changing username, and it all is working now.
Awesome, I’m glad you we were able to get it solved and it get everything back working.
Also, make sure [include mainsail.cfg] is present in your printer.cfg file. Apparently this is important when changing frontends (octoprint -> mainsail).
Would you mind sharing how you found the port ID and the line you made for it in printer.cfg? Assuming the USB cable works, this is the next thing I'd check.
Found the port ID by ls /dev/serial/by-id/* I only have one usb device connected, the printer.
I didn't make a new line in the printer.cfg, just edited the [mcu] serial: /dev/serial/by-id/usbXXXXXXXX To match the id I found in the previous command.
That sounds right. And "klipper" is in the XXXXXX part, right?
How did you install klipper? Are you using mainsailos, or did you install manually? Or with KIAUH? I have an ender 3 and ender 5+, both running klipper. I used the official raspberry pi imager program to install mainsailos to both SD cards, and things went fairly smoothly.
What error message are you seeing in mainsail? I'm wondering if klipper doesn't have permission to access the USB device, but that seems unlikely if you are using mainsailos.
Are you still having issues? I just rebuilt my e5p (Klipper, Fluidd, bigtreetech skr mini e3 v3, and new screen) and have been working out the bugs. Everything is working good so far, but still need to find tune the printer.
Nope, found my problem with the install of mainsail being a permissions thing.
I'm still running the stock board, but have upgraded to a remote direct drive extruder.
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