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Kevin O'Connor ab1eb70d1c toolhead: Rework lookahead flush to be more stable during high cpu 
Change the lookahead queue so that it attempts to buffer at least
buffer_time_high amount of moves when first starting a print.  This
helps ensure the buffer is normally always full.

If the buffer falls below buffer_time_low then it is either due to the
end of a print or because octoprint/klippy is unable to keep up.
Change the code so that in this case the lookahead queue will attempt
to gather buffer_time_high amount of moves before restarting movement.

Update the default buffer_time_low to 1 second and buffer_time_high to
2 seconds.  With the above changes a smaller buffer_time_high and a
larger buffer_time_low are more practical.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 		2017-02-12 17:20:40 -05:00
config toolhead: Introduce "smoothed" acceleration during lookahead 2017-02-06 12:17:50 -05:00
docs command: Check for reentrant calls to sendf() 2017-01-13 12:10:00 -05:00
klippy toolhead: Rework lookahead flush to be more stable during high cpu 2017-02-12 17:20:40 -05:00
lib lib: Add Atmel SAM3x8e ARM CMSIS files 2016-06-14 14:25:42 -04:00
scripts toolhead: Rework lookahead flush to be more stable during high cpu 2017-02-12 17:20:40 -05:00
src io.h: read/write[bwl] should use barrier 2017-02-02 10:46:42 -05:00
.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: Define DECL_CONSTANT mechanism for defining exported constants 2016-12-23 17:06:10 -05:00
README.md docs: Add a features document 2016-12-20 22:31:46 -05:00

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.

See the features document to find out why you should use Klipper. To begin using Klipper start by installing it.

There is also developer documentation available.

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/.