Closed DEAth1981 closed 3 years ago
I was already so worried that I decided to disconnect communication via GPIO and connected via USB, i.e. Pi -> USB cable -> GTR. Recompiled firmware with USB enabled. I fixed the configuration to use the new port, but nothing changed - ERRORS REMAINED! I'm starting to hate this GTR, and at the same time the manufacturer BTT for the lack of any support !!!
So I could not get this "set" to connect via UART. I ended up connecting the board and Pi via a USB host on the board. Everything works now. I think that the problem was in the Raspberry Pi 3 B+, or rather in the peculiarities of its two UART ports... it was necessary to buy a Raspberry Pi 4 B.
Only connect the GTR and Pi using RX/TX/GND to GPIO pins. You do not have to change the GPIO settings in the Pi. Just flash Octoprint and go. I am also struggling with the GTR and Pi with some specific communication issues (Pid Autotune).
In Marlin set these two as below and then flash the board. This should fix your communication issue. You can try other ports and let me know what works if for some reason this does not.
Also, I think many people are having issues with the GTR and Klipper. There may be a communication block in the design.
Only connect the GTR and Pi using RX/TX/GND to GPIO pins. You do not have to change the GPIO settings in the Pi. Just flash Octoprint and go. I am also struggling with the GTR and Pi with some specific communication issues (Pid Autotune).
In Marlin set these two as below and then flash the board. This should fix your communication issue. You can try other ports and let me know what works if for some reason this does not.
define SERIAL_PORT -1
define SERIAL_PORT_2 1
Also, I think many people are having issues with the GTR and Klipper. There may be a communication block in the design.
What does your post have to do with my problem? Or is it just agitation to use Marlin and not Klipper? And to mine from my first post it is more than clear that your advice to use GPIO for communication does not work for me.
P.S. Sometimes it is better to chew than to speak (in this case, write... the Russians will understand). :)
Good day!
Available:
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What's happening:
What am I doing wrong? How do you achieve stable operation of this bundle on Klipper? klippy.log