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Kevin O'Connor 3a7a77d49e basecmd: Improve accuracy of stats "sumsq" variable 
Use a base of 256 instead of 65536 when calculating the sum of the
square of the clock differences in the stats.  This makes the
calculation more accurate.  Export the new base via DECL_CONSTANT for
the host to access.  Use DIV_ROUND_UP() when adjusting for the base to
ensure no lost ticks.  Do the division after multiplication in the
common case where the time between stats_task() invocations is less
than 64K ticks.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 		2017-01-09 23:08:23 -05:00
config extruder: Calculate sane defaults for extrude only velocity and accel 2017-01-03 18:18:30 -05:00
docs extruder: Do sanity checks on extrusion rates 2017-01-03 18:17:43 -05:00
klippy basecmd: Improve accuracy of stats "sumsq" variable 2017-01-09 23:08:23 -05:00
lib lib: Add Atmel SAM3x8e ARM CMSIS files 2016-06-14 14:25:42 -04:00
scripts build: Define DECL_CONSTANT mechanism for defining exported constants 2016-12-23 17:06:10 -05:00
src basecmd: Improve accuracy of stats "sumsq" variable 2017-01-09 23:08:23 -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/.