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Kevin O'Connor 345fc41482 extruder: Don't do pressure advance on velocity changes due to cornering 
Due to the lookahead, small changes in the direction of the toolhead
cause minor changes in toolhead velocity.  These "cornering" velocity
changes cause the current extruder code to trigger pressure advance
and its associated pressure retract.  This causes the extruder to
rapidly "jerk" the filament.

This code change updates the extruder to detect velocity changes due
solely to cornering and avoid pressure advance.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 		2016-11-05 11:06:58 -04:00
config heater: Make it possible to disable min_extrude_temp for testing 2016-10-11 00:21:30 -04:00
docs extruder: Don't do pressure advance on velocity changes due to cornering 2016-11-05 11:06:58 -04:00
klippy extruder: Don't do pressure advance on velocity changes due to cornering 2016-11-05 11:06:58 -04:00
lib lib: Add Atmel SAM3x8e ARM CMSIS files 2016-06-14 14:25:42 -04:00
scripts stepstats: Add debugging script to calculate stats on stepper movement 2016-10-31 11:15:38 -04:00
src gpio: Merge gpio_adc_sample_time() into gpio_adc_sample() 2016-11-02 17:36:43 -04:00
.gitignore Initial commit of source code. 2016-05-25 11:37:40 -04:00
COPYING Initial commit of source code. 2016-05-25 11:37:40 -04:00
Makefile build: Be sure to also include out/*.d files in Makefile 2016-10-21 12:00:03 -04:00
README.md Initial commit of source code. 2016-05-25 11:37:40 -04:00

README.md

Welcome to the Klipper project!

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.

Please see the documentation for more information on running and working with Klipper.

License

Klipper is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Klipper is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with Klipper. If not, see http://www.gnu.org/licenses/.