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Merge branch 'Documentation' of github.com:stv0g/Marlin into Documentation
This commit is contained in:
Steffen Vogel
commit
26337a56cc
@ -1,13 +1,10 @@
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Features:
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=========
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# Features
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* Interrupt based movement with real linear acceleration
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* High steprate
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* Look ahead (Keep the speed high when possible. High cornering speed)
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* Interrupt based temperature protection
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* preliminary support for Matthew Roberts advance algorithm
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For more info see: http://reprap.org/pipermail/reprap-dev/2011-May/003323.html
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* Preliminary support for [Matthew Roberts Advance Algorithm](http://reprap.org/pipermail/reprap-dev/2011-May/003323.html)
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* Full endstop support
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* SD Card support
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* SD Card folders (works in pronterface)
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@ -19,12 +16,12 @@ Features:
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* Arc support
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* Temperature oversampling
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* Dynamic Temperature setpointing aka "AutoTemp"
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* Support for QTMarlin, a very beta GUI for PID-tuning and velocity-acceleration testing. https://github.com/bkubicek/QTMarlin
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* Support for [QTMarlin](https://github.com/bkubicek/QTMarlin), a very beta GUI for PID-tuning and velocity-acceleration testing.
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* Endstop trigger reporting to the host software.
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* Updated sdcardlib
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* Heater power reporting. Useful for PID monitoring.
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* PID tuning
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* CoreXY kinematics (www.corexy.com/theory.html)
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* [CoreXY kinematics](www.corexy.com/theory.html)
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* Delta kinematics
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* SCARA kinematics
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* Dual X-carriage support for multiple extruder systems
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@ -36,12 +33,9 @@ Features:
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The default baudrate is 250000. This baudrate has less jitter and hence errors than the usual 115200 baud, but is less supported by drivers and host-environments.
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## Differences and additions to the already good Sprinter firmware
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Differences and additions to the already good Sprinter firmware:
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================================================================
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Look-ahead:
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-----------
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### Look-ahead
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Marlin has look-ahead. While sprinter has to break and re-accelerate at each corner,
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lookahead will only decelerate and accelerate to a velocity,
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@ -49,21 +43,18 @@ so that the change in vectorial velocity magnitude is less than the xy_jerk_velo
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This is only possible, if some future moves are already processed, hence the name.
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It leads to less over-deposition at corners, especially at flat angles.
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Arc support:
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------------
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### Arc support
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Slic3r can find curves that, although broken into segments, were ment to describe an arc.
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Marlin is able to print those arcs. The advantage is the firmware can choose the resolution,
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and can perform the arc with nearly constant velocity, resulting in a nice finish.
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Also, less serial communication is needed.
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Temperature Oversampling:
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-------------------------
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### Temperature Oversampling
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To reduce noise and make the PID-differential term more useful, 16 ADC conversion results are averaged.
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AutoTemp:
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---------
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### AutoTemp
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If your gcode contains a wide spread of extruder velocities, or you realtime change the building speed, the temperature should be changed accordingly.
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Usually, higher speed requires higher temperature.
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@ -76,42 +67,36 @@ The wanted temperature then will be set to t=tempmin+factor*maxerate, while bein
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If the target temperature is set manually or by gcode to a value less then tempmin, it will be kept without change.
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Ideally, your gcode can be completely free of temperature controls, apart from a M109 S T F in the start.gcode, and a M109 S0 in the end.gcode.
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EEPROM:
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-------
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### EEPROM
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If you know your PID values, the acceleration and max-velocities of your unique machine, you can set them, and finally store them in the EEPROM.
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After each reboot, it will magically load them from EEPROM, independent what your Configuration.h says.
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LCD Menu:
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---------
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### LCD Menu
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If your hardware supports it, you can build yourself a LCD-CardReader+Click+encoder combination. It will enable you to realtime tune temperatures,
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accelerations, velocities, flow rates, select and print files from the SD card, preheat, disable the steppers, and do other fancy stuff.
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One working hardware is documented here: http://www.thingiverse.com/thing:12663
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Also, with just a 20x4 or 16x2 display, useful data is shown.
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SD card folders:
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----------------
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### SD card directories
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If you have an SD card reader attached to your controller, also folders work now. Listing the files in pronterface will show "/path/subpath/file.g".
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You can write to file in a subfolder by specifying a similar text using small letters in the path.
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Also, backup copies of various operating systems are hidden, as well as files not ending with ".g".
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SD card folders:
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----------------
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### Autostart
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If you place a file auto[0-9].g into the root of the sd card, it will be automatically executed if you boot the printer. The same file will be executed by selecting "Autostart" from the menu.
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First *0 will be performed, than *1 and so on. That way, you can heat up or even print automatically without user interaction.
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Endstop trigger reporting:
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--------------------------
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### Endstop trigger reporting
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If an endstop is hit while moving towards the endstop, the location at which the firmware thinks that the endstop was triggered is outputed on the serial port.
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This is useful, because the user gets a warning message.
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However, also tools like QTMarlin can use this for finding acceptable combinations of velocity+acceleration.
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Coding paradigm:
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----------------
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### Coding paradigm
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Not relevant from a user side, but Marlin was split into thematic junks, and has tried to partially enforced private variables.
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This is intended to make it clearer, what interacts which what, and leads to a higher level of modularization.
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@ -121,8 +106,7 @@ In the serial communication, a #define based level of abstraction was enforced,
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some transfer is information (usually beginning with "echo:"), an error "error:", or just normal protocol,
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necessary for backwards compatibility.
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Interrupt based temperature measurements:
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-----------------------------------------
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### Interrupt based temperature measurements
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An interrupt is used to manage ADC conversions, and enforce checking for critical temperatures.
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This leads to less blocking in the heater management routine.
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@ -19,8 +19,6 @@ http://reprap.org/wiki/RAMPS
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#define BOARD_RAMPS_13_EEF 36 // RAMPS 1.3 / 1.4 (Power outputs: Extruder0, Extruder1, Fan)
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```
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#define BOARD_DUEMILANOVE_328P 4 // Duemilanove w/ ATMega328P pin assignment
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##### Generation 3 Electronics
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http://reprap.org/wiki/Generation_3_Electronics
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@ -98,6 +96,7 @@ http://reprap.org/wiki/RUMBA
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#### Others
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```
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#define BOARD_DUEMILANOVE_328P 4 // Duemilanove w/ ATMega328P pin assignment
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#define BOARD_STB_11 64 // STB V1.1
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#define BOARD_ULTIMAKER 7 // Ultimaker
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#define BOARD_ULTIMAKER_OLD 71 // Ultimaker (Older electronics. Pre 1.5.4. This is rare)
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@ -117,4 +116,4 @@ http://reprap.org/wiki/RUMBA
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#define BOARD_ELEFU_3 21 // Elefu Ra Board (v3)
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#define BOARD_5DPRINT 88 // 5DPrint D8 Driver Board
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#define BOARD_LEAPFROG 999 // Leapfrog
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```
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```
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34
README.md
34
README.md
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## Quick Information
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This RepRap firmware is a mashup between <a href="https://github.com/kliment/Sprinter">Sprinter</a>, <a href="https://github.com/simen/grbl/tree">grbl</a> and many original parts.
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Derived from Sprinter and Grbl by Erik van der Zalm.
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Sprinters lead developers are Kliment and caru.
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Grbls lead developer is Simen Svale Skogsrud. Sonney Jeon (Chamnit) improved some parts of grbl
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A fork by bkubicek for the Ultimaker was merged, and further development was aided by him.
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Some features have been added by:
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Lampmaker, Bradley Feldman, and others...
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This is a firmware for reprap single-processor electronics setups.
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It also works on the Ultimaker PCB. It supports printing from SD card+Folders, and look-ahead trajectory planning.
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This firmware is a mashup between [Sprinter](https://github.com/kliment/Sprinter), [grbl](https://github.com/simen/grbl) and many original parts.
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## Current Status: Bug Fixing
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The Marlin development is currently revived. There's a long list of reported issues and pull requests, which we are working on currently.
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We are actively looking for testers. So please try the current development version and report new issues and feedback.
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[](https://scan.coverity.com/projects/2224)
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[](https://travis-ci.org/MarlinFirmware/Marlin)
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What bugs are we working on: https://github.com/MarlinFirmware/Marlin/milestones/Bug%20Fixing%20Round%201
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What bugs are we working on: [Bug Fixing Round 2](https://github.com/MarlinFirmware/Marlin/milestones/Bug%20Fixing%20Round%202)
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## Contact
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@ -36,6 +34,24 @@ __IRC:__ #marlin-firmware @freenode
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__Google Hangouts:__ https://plus.google.com/hangouts/_/event/cps5d0ru0iruhl6ebqbk9dpqpa4?authuser=0&hl=da
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## Credits
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The current Marlin dev team consists of:
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- Erik van der Zalm ([@ErikZalm](https://github.com/ErikZalm))
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- [@daid](https://github.com/daid)
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- Bo Herrmannsen ([@boelle](https://github.com/boelle))
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Sprinters lead developers are Kliment and caru.
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Grbls lead developer is Simen Svale Skogsrud.
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Sonney Jeon (Chamnit) improved some parts of grbl
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A fork by bkubicek for the Ultimaker was merged.
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More features have been added by:
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- Lampmaker,
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- Bradley Feldman,
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- and others...
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## Licence
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Marlin is published unde the [GPL license](/Documentation/COPYING.md) because I believe in open development.
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