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101 lines
2.7 KiB
Markdown
101 lines
2.7 KiB
Markdown
# Beaglebone
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This document describes the process of running Klipper on a Beaglebone
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PRU.
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## Building an OS image
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Start by installing the
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[Debian 9.9 2019-08-03 4GB SD IoT](https://beagleboard.org/latest-images)
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image. One may run the image from either a micro-SD card or from
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builtin eMMC. If using the eMMC, install it to eMMC now by following
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the instructions from the above link.
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Then ssh into the Beaglebone machine (`ssh debian@beaglebone` --
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password is `temppwd`) and install Klipper by running the following
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commands:
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```
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git clone https://github.com/Klipper3d/klipper
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./klipper/scripts/install-beaglebone.sh
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```
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## Install Octoprint
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One may then install Octoprint:
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```
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git clone https://github.com/foosel/OctoPrint.git
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cd OctoPrint/
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virtualenv venv
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./venv/bin/python setup.py install
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```
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And setup OctoPrint to start at bootup:
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```
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sudo cp ~/OctoPrint/scripts/octoprint.init /etc/init.d/octoprint
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sudo chmod +x /etc/init.d/octoprint
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sudo cp ~/OctoPrint/scripts/octoprint.default /etc/default/octoprint
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sudo update-rc.d octoprint defaults
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```
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It is necessary to modify OctoPrint's **/etc/default/octoprint**
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configuration file. One must change the `OCTOPRINT_USER` user to
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`debian`, change `NICELEVEL` to `0`, uncomment the `BASEDIR`, `CONFIGFILE`,
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and `DAEMON` settings and change the references from `/home/pi/` to
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`/home/debian/`:
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```
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sudo nano /etc/default/octoprint
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```
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Then start the Octoprint service:
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```
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sudo systemctl start octoprint
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```
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Make sure the OctoPrint web server is accessible - it should be at:
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[http://beaglebone:5000/](http://beaglebone:5000/)
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## Building the micro-controller code
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To compile the Klipper micro-controller code, start by configuring it
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for the "Beaglebone PRU":
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```
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cd ~/klipper/
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make menuconfig
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```
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To build and install the new micro-controller code, run:
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```
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sudo service klipper stop
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make flash
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sudo service klipper start
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```
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It is also necessary to compile and install the micro-controller code
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for a Linux host process. Configure it a second time for a "Linux process":
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```
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make menuconfig
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```
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Then install this micro-controller code as well:
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```
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sudo service klipper stop
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make flash
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sudo service klipper start
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```
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## Remaining configuration
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Complete the installation by configuring Klipper and Octoprint
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following the instructions in
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the main [Installation](Installation.md#configuring-klipper) document.
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## Printing on the Beaglebone
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Unfortunately, the Beaglebone processor can sometimes struggle to run
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OctoPrint well. Print stalls have been known to occur on complex
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prints (the printer may move faster than OctoPrint can send movement
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commands). If this occurs, consider using the "virtual_sdcard" feature
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(see [Config Reference](Config_Reference.md#virtual_sdcard) for
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details) to print directly from Klipper.
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