Klipper project

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Frequently asked questions

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window.I would love to see it ported to the Micro, but I don't really have the time, myself although it wouldn't likely take very long, I'd have to learn a bunch of stuff about the Micro before I could even start.

I am more than willing to answer any questions about that printer though, so if anyone wants to know anything then feel free to ask. The source code the iMe firmware is also a very good place to see how that printer works. Although it is a big help, digging through iMe's code is still going to take a while. Do you have any kind of notes you compiled while figuring stuff out?

Tidbits like the information on the motors and drivers located at the top of motors. I'm also curious about firmware installation itself. Do you have a succinct description of the built-in bootloader protocol?

One last question: is iMe all from scratch, or did you modify some existing firmware? If the latter, I was thinking of getting an unmodified copy and doing a diff to narrow down the areas to search for Micro-specific code.

I did start writing some documentation for the Micro 3D printer a while ago, but never released it. I think I only really got around to writing about the bootloader stuff. I added it to iMe's github repo if you want to check it out. The microcontroller's lock bits prevent writing to the bootloader section of flash, so the only way to replace the firmware entirely would be to use an ICSP to erase the whole chip and reset the lock bits.

With USB you can only program and erase 32KB of flash that gets used as the application section of flash. The only part of it that I didn't code myself is the Atmel software framework libraryhowever I did modify a bit of Atmel's library to reduce the iMe's size a bit. The whole time I was programming iMe it was an up hill battle to keep it under 32KB, so I had to do everything I could to keep it small enough. Here's all the tidbits that are included at the top or some of the iMe's source code.

They're pretty much just the information about the hardware that is used in the printer. Apart from that I didn't keep any other kind of notes except for where all the microcontroller's pins went to.

klipper project

Hopefully that helps you get started. Feel free to ask if there's anything specific that you want to know. These docs will definitely help get me started; thanks!GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again.

If nothing happens, download the GitHub extension for Visual Studio and try again. Klipper is a 3d-Printer firmware. It combines the power of a general purpose computer with one or more micro-controllers. See the features document for more information on why you should use Klipper.

To begin using Klipper start by installing it. Klipper is Free Software. See the license or read the documentation. Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Sign up. Klipper is a 3d-printer firmware. Branch: master. Find file. Sign in Sign up. Go back. Launching Xcode If nothing happens, download Xcode and try again.

Latest commit. KevinOConnor test: Fix printer-tronxy-pe Latest commit c7d6d81 Apr 14, Welcome to the Klipper project! You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Apr 15, Apr 2, Jan 14, Apr 3, Mar 24, Oct 27, Aug 17, Initial commit of source code.

May 25, Aug 22, Apr 20, GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. These instructions assume the software will run on a Raspberry Pi computer in conjunction with OctoPrint. It is recommended that a Raspberry Pi 2, 3, or 4 computer be used as the host machine see the FAQ for other machines. Start by installing OctoPi on the Raspberry Pi computer.

Use OctoPi v0. One should verify that OctoPi boots and that the OctoPrint web server works. After connecting to the OctoPrint web page, follow the prompt to upgrade OctoPrint to v1.

After installing OctoPi and upgrading OctoPrint, it will be necessary to ssh into the target machine to run a handful of system commands. If using a Linux or MacOS desktop, then the "ssh" software should already be installed on the desktop. There are free ssh clients available for other desktops eg, PuTTY. Use the ssh utility to connect to the Raspberry Pi ssh pi octopi -- password is "raspberry" and run the following commands:.

The above will download Klipper, install some system dependencies, setup Klipper to run at system startup, and start the Klipper host software. It will require an internet connection and it may take a few minutes to complete. Select the appropriate micro-controller and review any other options provided. Once configured, run:. It is necessary to determine the serial port connected to the micro-controller.

For micro-controllers that connect via USB, run the following:. It's common for each printer to have its own unique serial port name. This unique name will be used when flashing the micro-controller. It's possible there may be multiple lines in the above output - if so, choose the line corresponding to the micro-controller see the FAQ for more information. When flashing for the first time, make sure that OctoPrint is not connected directly to the printer from the OctoPrint web page, under the "Connection" section, click "Disconnect".

The OctoPrint web server needs to be configured to communicate with the Klipper host software. Using a web browser, login to the OctoPrint web page and then configure the following items:. Navigate to the Settings tab the wrench icon at the top of the page. Then click "Save". In the Settings tab, navigate to the "Behavior" sub-tab and select the "Cancel any ongoing prints but stay connected to the printer" option.

Click "Save". Once connected, navigate to the "Terminal" tab and type "status" without the quotes into the command entry box and click "Send". The terminal window will likely report there is an error opening the config file - that means OctoPrint is successfully communicating with Klipper.

klipper project

Proceed to the next section. The Klipper configuration is stored in a text file on the Raspberry Pi. Take a look at the example config files in the config directory. The example. However, for most printers, one of the other config files may be a more concise starting point. Use one of the example config files as a starting point and save it as a file named "printer.

Alternatively, one can also copy and edit the file directly on the Raspberry Pi via ssh - for example:. It's common for each printer to have its own unique name for the micro-controller. For example, update the [mcu] section to look something similar to:.If you know the steps per millimeter for the axis then use a calculator to divide 1. Then round this number to six decimal places and place it in the config six decimal places is nano-meter precision. It can also be calculated from the axis pitch, motor step angle, and driver microstepping.

The config uses millimeters for all distance measurements. It will likely produce output similar to the following:.

klipper project

The name found in the above command is stable and it is possible to use it in the config file and while flashing the micro-controller code. For example, a flash command might look similar to:. The code attempts to flash the device using the most common method for each platform.

See if there is a config file in the config directory with specific instructions for flashing the device. Finally, on AVR devices, it may be possible to manually flash the device using avrdude with custom command-line parameters - see the avrdude documentation for further information. The recommended baud rate for Klipper is This baud rate works well on all micro-controller boards that Klipper supports.

If you want to change the baud rate anyway, then the new rate will need to be configured in the micro-controller during make menuconfig and that updated code will need to be compiled and flashed to the micro-controller. The Klipper printer. For example:. The baud rate shown on the OctoPrint web page has no impact on the internal Klipper micro-controller baud rate.

Always set the OctoPrint baud rate to when using Klipper. See the bootloader document for additional information on bootloaders. For running on the Beaglebone, see the Beaglebone specific installation instructions.

Klipper has been run on other machines.

klipper project

The Klipper host software only requires Python running on a Linux or similar computer. However, if you wish to run it on a different machine you will need Linux admin knowledge to install the system prerequisites for that particular machine. See the install-octopi. It is possible to run multiple instances of the Klipper host software, but doing so requires Linux admin knowledge.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

If you know the steps per millimeter for the axis then use a calculator to divide 1. Then round this number to six decimal places and place it in the config six decimal places is nano-meter precision. It can also be calculated from the axis pitch, motor step angle, and driver microstepping. If unsure, do a web search for "calculate steps per mm" to find an online calculator. The config uses millimeters for all distance measurements. Continuing to configure this one distance in units of "inverse millimeters" is felt to be quirky and unnecessary.

It will likely produce output similar to the following:. The name found in the above command is stable and it is possible to use it in the config file and while flashing the micro-controller code.

For example, a flash command might look similar to:. Be sure to copy-and-paste the name from the "ls" command that you ran above as the name will be different for each printer. Follow the directions in the " Where's my serial port?

The code attempts to flash the device using the most common method for each platform. Unfortunately, there is a lot of variance in flashing methods, so the "make flash" command may not work on all boards.

However, if "make flash" just doesn't work for your board, then you will need to manually flash. See if there is a config file in the config directory with specific instructions for flashing the device.

Also, check the board manufacturer's documentation to see if it describes how to flash the device. Finally, it may be possible to manually flash the device using tools such as "avrdude" or "bossac" - see the bootloader document for additional information. The recommended baud rate for Klipper is This baud rate works well on all micro-controller boards that Klipper supports. If you've found an online guide recommending a different baud rate, then ignore that part of the guide and continue with the default value of If you want to change the baud rate anyway, then the new rate will need to be configured in the micro-controller during make menuconfig and that updated code will need to be compiled and flashed to the micro-controller.

The Klipper printer. For example:. The baud rate shown on the OctoPrint web page has no impact on the internal Klipper micro-controller baud rate. Always set the OctoPrint baud rate to when using Klipper.

The Klipper Project

The Klipper micro-controller baud rate is not related to the baud rate of the micro-controller's bootloader. See the bootloader document for additional information on bootloaders.

Klipper will run on a Raspberry Pi 1 and on the Raspberry Pi Zero, but these boards don't have enough processing power to run OctoPrint well. It is common for print stalls to occur on these slower machines when printing directly from OctoPrint.

The printer may move faster than OctoPrint can send movement commands. For running on the Beaglebone, see the Beaglebone specific installation instructions. Klipper has been run on other machines. The Klipper host software only requires Python running on a Linux or similar computer. However, if you wish to run it on a different machine you will need Linux admin knowledge to install the system prerequisites for that particular machine. See the install-octopi.

Note: If you are not using an OctoPi image, be aware that several Linux distributions enable a "ModemManager" or similar package that can disrupt serial communication. If you install Klipper on one of these distributions you may need to disable that package. It is possible to run multiple instances of the Klipper host software, but doing so requires Linux admin knowledge.In short, instead of modifying any hardware, upgrade your 3D-printer by modifying the firmware powering the unit.

Thanks to reader Alvaro for sending this in. He writes. With a Raspberry Pi running Octoprint, and a regular 3d printer you can upgrade it without changing hardware, just by changing the firmware of the printer you can go back if you need to. This new firmware optimizes stepper control to make the printer faster than default, way more silent, anti-oozing and with better torque. Works with multiple 3d printer models from several vendors.

This project implements a 3d-printer firmware. There are two parts to this firmware — code that runs on a micro-controller and code that runs on a host machine. The host software does the work to build a schedule of events, while the micro-controller software does the work to execute the provided schedule at the specified times. Stop breadboarding and soldering — start making immediately! Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming sitelearn computer science using the CS Discoveries class on code.

It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand. Have an amazing project to share? CircuitPython — The easiest way to program microcontrollers — CircuitPython. Maker Business — 1, True Fans, how creators can sustain themselves in the digital age.

Python for Microcontrollers — CircuitPython 5. A Pi 2 or 3 works glitch free.

The straightforward tuning procedures for setting pressure advance values helped significantly. Control will be solely through Octoprint and some manual endstop value tuning in the config file may be required.

I may go back to Repetier someday, but I like how Klipper is performing. Accepting essential orders - here's how. He writes, With a Raspberry Pi running Octoprint, and a regular 3d printer you can upgrade it without changing hardware, just by changing the firmware of the printer you can go back if you need to.

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at AdafruitDaily. January 18, at pm. January 19, at am. Filed under: 3D printing — Tags: 3d printer3d printers3D printingfirmwareopen firmware — by nicknormal Comments 2.


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