BIGTREETECH BTT Pi V1.2 The plugin is installed but it is not in the plugin manager.

[Aleks-MO]

On BIG TREE TECH BTT Pi V1.2 from debian 11 taken from github - CB1_Debian11_minimal_kernel5.16_20240319.img.xz Octoprint 1.10 The plugin is installed but it is not in the plugin manager. In protected mode, I see this plugin. What to do?

[RobinTail]

I'd ask for support on OctoPrint forum, @Aleks-MO

[RobinTail]

Perhaps it's a file permission issue. Or there may be other reasons why OctoPrint's plugin manager does not list an installed plugin, @Aleks-MO

[Aleks-MO]

@RobinTail All GPIO-related plugins behave like this, there are no problems with the rest. ((((

[RobinTail]

All GPIO-related plugins

Then I'd assume that the issue is related to the RPi.GPIO module in your environment.

Could you please enable DEBUG level for OctoRelay in OctoPrint logging settings, restart it, and try finding the entries related to OctoRelay.

Perhaps it's the issue similar to #255 , @Aleks-MO

[Aleks-MO]

What does he tell you, and what should I do in this case. octoprint log -----

2024-05-15 10:36:08,015 - octoprint.plugin.core - DEBUG - Parsing plugin metadata from AST of /home/biqu/OctoPrint/venv/lib/python3.9/site-packages/octoprint_octorelay/init.py 2024-05-15 10:36:08,082 - octoprint.plugin.core - ERROR - Error loading plugin octorelay Traceback (most recent call last): File "/home/biqu/OctoPrint/venv/lib/python3.9/site-packages/octoprint/plugin/core.py", line 1297, in _import_plugin module = _load_module(module_name, spec) File "/home/biqu/OctoPrint/venv/lib/python3.9/site-packages/octoprint/plugin/core.py", line 52, in _load_module return imp.load_module(name, f, filename, details) File "/home/biqu/OctoPrint/venv/lib/python3.9/site-packages/octoprint/vendor/imp.py", line 238, in load_module return load_package(name, filename) File "/home/biqu/OctoPrint/venv/lib/python3.9/site-packages/octoprint/vendor/imp.py", line 212, in load_package return _load(spec) File "", line 711, in _load File "", line 680, in _load_unlocked File "", line 790, in exec_module File "", line 228, in _call_with_frames_removed File "/home/biqu/OctoPrint/venv/lib/python3.9/site-packages/octoprint_octorelay/init.py", line 20, in from .driver import Relay File "/home/biqu/OctoPrint/venv/lib/python3.9/site-packages/octoprint_octorelay/driver.py", line 3, in from RPi import GPIO File "/home/biqu/OctoPrint/venv/lib/python3.9/site-packages/RPi/GPIO/init.py", line 23, in from RPi._GPIO import * RuntimeError: This module can only be run on a Raspberry Pi! 2024-05-15 10:36:08,109 - octoprint.plugin.core - DEBUG - Parsing plugin metadata from AST of /home/biqu/OctoPrint/venv/lib/python3.9/site-packages/octoprint_pi_support/init.py

[RobinTail]

from RPi._GPIO import * RuntimeError: This module can only be run on a Raspberry Pi!

@Aleks-MO

The plugin adds buttons to control GPIO pins of Raspberry Pi

I'm not sure what "BIGTREETECH BTT Pi" exactly is, but the python module does not recognize it as Raspberry Pi or compatible, @Aleks-MO

[RobinTail]

What to do in this case, @Aleks-MO

I found an information on your hardware, it seems to be a clone of Raspberry Pi optimized for running Klipper.

It seems that some hardware and software is different.

What could help is making a fork of this repo and replace RPi.GPIO module with another, that is compatible for operating GPIO of your hardware. There probably should be a recommendation from the vendor on python module for that purpose.

So, a research is required to find a suitable replacement of "RPi.GPIO".

[RobinTail]

Found a user manual here. And there is a repo that probably can contain even more information

https://github.com/bigtreetech/BTT-Pi/blob/master/BIGTREETECH%20Pi%20V1.2%20User%20Manual.pdf

[RobinTail]

In the end, @Aleks-MO , I recommend to raise an issue in https://github.com/bigtreetech/BTT-Pi in order to ask what should be the replacement of "RPi.GPIO" python module in your case. When you find this out, let me know and I will help you to make a custom build of OctoRelay if still needed.

[Aleks-MO]

@RobinTail Yes, this board and description, there is also a Debian 11 build - https://github.com/bigtreetech/CB1/releases/tag/V2 .3.4 which is menial. But it's not clear how it works with GPIO.

[RobinTail]

Related Reddit (no solution): https://www.reddit.com/r/BIGTREETECH/comments/182b8op/btt_pi_python_gpio/

Or maybe you can switch to Klipper which is your hardware seems to be optimized for (instead of OctoPrint), @Aleks-MO ?

It looks like it has its own drivers for operating GPIO and most likely the plugins similar to OctoRelay https://www.klipper3d.org/RPi_microcontroller.html#rpi-microcontroller

I never used Klipper myself, but those who used it told me that it's great.

[RobinTail]

Found this (another board from same vendor), @Aleks-MO

• https://github.com/bigtreetech/CB1/issues/66

[Aleks-MO]

I've seen it, it's not the first question for BTT. It doesn't work either -https://wiki.radxa.com/Gpiod

[Aleks-MO]

@RobinTail Thanks!, I didn't see the last link. I'll try to write here, it helped or not. )

[RobinTail]

Yeah, in order to address it properly, we should make another driver for your board

https://github.com/borisbu/OctoRelay/blob/f323c978d52986060ffbe5db93f62cf5d3f2e991/octoprint_octorelay/driver.py#L3

Using this module instead:

https://pypi.org/project/gpiod/

It seems to have a completely different interface and requires to define the "GPIO chip character device".

[Aleks-MO]

The "gpiochip0" is used with the legs "Gpio 0 to 287". Pin 211 is installed on the fan control board. Turning on and off the light pins 203 and 201. I don't understand how to prescribe it. (((

biqu@BTT-CB1:~$ sudo cat /sys/kernel/debug/gpio gpiochip0: GPIOs 0-287, parent: platform/300b000.pinctrl, 300b000.pinctrl: gpio-166 ( |:wifi_power ) out hi gpio-207 ( |:wifi_wake ) out hi gpio-210 ( |reset ) out hi ACTIVE LOW gpio-229 ( |sysfs ) out hi

gpiochip1: GPIOs 352-383, parent: platform/7022000.pinctrl, 7022000.pinctrl: biqu@BTT-CB1:~$ gpiodetect gpiochip0 [300b000.pinctrl] (288 lines) gpiochip1 [7022000.pinctrl] (32 lines) iqu@BTT-CB1:~$ gpioinfo gpiochip0 - 288 lines: line 0: unnamed kernel input active-high [used] line 1: unnamed kernel input active-high [used] line 2: unnamed kernel input active-high [used] line 3: unnamed kernel input active-high [used] line 4: unnamed kernel input active-high [used] line 5: unnamed kernel input active-high [used] line 6: unnamed kernel input active-high [used]

[Aleks-MO]

@RobinTail Here is the link given by the BTT manufacturer https://blog.csdn.net/hsl416604093/article/details/122634479 ? I tried to turn on and off the fan on the board, it works. Can you fix the plug-in for the BTT Pi v2 board?

biqu@BTT-CB1:~$ cd /sys/class/gpio/ biqu@BTT-CB1:/sys/class/gpio$ ls export gpio229 gpiochip0 gpiochip352 unexport biqu@BTT-CB1:/sys/class/gpio$ sudo su root@BTT-CB1:/sys/class/gpio# sudo echo 211 > export root@BTT-CB1:/sys/class/gpio# ls export gpio211 gpio229 gpiochip0 gpiochip352 unexport root@BTT-CB1:/sys/class/gpio# sudo echo out > direction bash: direction: Permission denied root@BTT-CB1:/sys/class/gpio# cd /sys/class/gpio/gpio211 root@BTT-CB1:/sys/class/gpio/gpio211# sudo echo out > direction root@BTT-CB1:/sys/class/gpio/gpio211# sudo echo 1 > value root@BTT-CB1:/sys/class/gpio/gpio211# ls active_low device direction edge power subsystem uevent value root@BTT-CB1:/sys/class/gpio/gpio211# sudo echo 0 > value root@BTT-CB1:/sys/class/gpio/gpio211# cd /sys/class/gpio/ root@BTT-CB1:/sys/class/gpio# sudo echo 211 > unexport root@BTT-CB1:/sys/class/gpio#

[RobinTail]

@Aleks-MO , I checked that gpiod library works in general on my Raspberry Pi so I could probably make a driver based on it. Could you please try the following:

1. pip3 install gpiod
2. And tell me which version would be installed in your case
3. Make a file test_gpiod.py of the following content:

import gpiod

exists = gpiod.is_gpiochip_device("/dev/gpiochip0")

print(f"Exists {exists}")

chip = gpiod.Chip("/dev/gpiochip0")
info = chip.get_info()

print(f"{info.name} [{info.label}] ({info.num_lines} lines)")

4. And then run in python3 test_gpiod.py and tell me what it says, should be similar to this:

Exists True
gpiochip0 [pinctrl-bcm2835] (54 lines)

Can you fix the plug-in for the BTT Pi v2 board?

Making it work with your board is not a fix, it's a feature.

[RobinTail]

There is also this package, could also work https://python-periphery.readthedocs.io/en/latest/gpio.html

Used by PSU Control: https://github.com/kantlivelong/OctoPrint-PSUControl/blob/master/octoprint_psucontrol/__init__.py#L23

[Aleks-MO]

@RobinTail I did this test, the result is negative.

Last login: Fri May 17 12:54:56 2024 
biqu@BTT-CB1:~$ pip3 install gpiod
Collecting gpiod
  Downloading gpiod-2.1.3.tar.gz (53 kB)
     |████████████████████████████████| 53 kB 104 kB/s
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
    Preparing wheel metadata ... done
Building wheels for collected packages: gpiod
  Building wheel for gpiod (PEP 517) ... done
  Created wheel for gpiod: filename=gpiod-2.1.3-cp39-cp39-linux_aarch64.whl size=91494 sha256=bd8cbfccab914b76906bdceb3c4ef28014661b3bbe0b1ea1e3e0c30a6ed4e4bf
  Stored in directory: /home/biqu/.cache/pip/wheels/5d/18/00/aff28d894b61a5b1a0a230fc8099f8eb7ad6343d344e159b66
Successfully built gpiod
Installing collected packages: gpiod
Successfully installed gpiod-2.1.3
biqu@BTT-CB1:~$ test_gpiod.py
test_gpiod.py: command not found
biqu@BTT-CB1:~$ sudo su
root@BTT-CB1:/home/biqu# test_gpiod.py
test_gpiod.py: command not found
root@BTT-CB1:/home/biqu# sudo python3 test_gpiod.py
Traceback (most recent call last):
  File "/home/biqu/test_gpiod.py", line 1, in <module>
    import gpiod
ModuleNotFoundError: No module named 'gpiod'
root@BTT-CB1:/home/biqu#

[RobinTail]

Please run without sudo, @Aleks-MO

python3 test_gpiod.py

[RobinTail]

@Aleks-MO , you ran pip3 as biqu, but you're running python3 as root. I believe it causes the issue. Please ensure running python3 test_gpiod.py as biqu and without sudo.

[Aleks-MO]

Without SUDO, it looks like this

biqu@BTT-CB1:~$ test_gpiod.py test_gpiod.py: command not found

[Aleks-MO]

@RobinTail Yes, I started it from the user BIQU.

Last login: Sun May 19 09:32:04 2024 
biqu@BTT-CB1:~$ python3 test_gpiod.py
Exists True
gpiochip0 [300b000.pinctrl] (288 lines)
biqu@BTT-CB1:~$

[RobinTail]

biqu@BTT-CB1:~$ test_gpiod.py

The word python3 was missing.

biqu@BTT-CB1:~$ python3 test_gpiod.py gpiochip0 [300b000.pinctrl] (288 lines)

great! So this library works with your board, @Aleks-MO I'm making a driver based on this library in the following branch: #271

Once I test it myself, I will let you know how you can join me.

[Aleks-MO]

@RobinTail Yes, there was my inattention... Apologize. )

Thank you very much, I would appreciate it.

[RobinTail]

I made a version that demonstrates some sort of vitality, @Aleks-MO You can try installing it from this link:

https://github.com/borisbu/OctoRelay/releases/download/5.0.0a3/release.zip

However, it has some issues. In particular, it does not track in background the changes happened to the relay state correctly.

It seems that using the gpiod library can not be done in a drop-in way, but rather requires a complete refactoring because it has a different logic of the operation.

Nevertheless, you can check if at least it could do something with your board.

P.S. I have no idea what pin numbers should be used to address your relays correctly. If there are alternative enumerations — try different ways.

[Aleks-MO]

@RobinTail The plugin has appeared in the plugin manager, the settings are available. There are no icons in the upper tray. After rebooting, the octoprint takes a long time to load or freezes. Does not work. Maybe you're right, it won't work properly. After removing the plugin, the octoprint loads normally, there are no freezes. Maybe it's really time to switch to the Clipper. The verdict on CB1 and Pi v2 does not work.

---

[Aleks-MO]

@RobinTail Thank you for your efforts. It's a pity that it didn't work.

[RobinTail]

Alright. Yes, it seems to require more effort than I currently could dedicate. Thank you for collaboration, @Aleks-MO

[RobinTail]

@Aleks-MO , in case you're still using Octoprint, we made the Octorelay version 5 that uses a more versatile GPIO driver that supports Raspberry Pi 5 and may be compatible with your hardware as well.