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Kevin O'Connor e1833e020a chelper: Use CLOCK_MONOTONIC_RAW 
Switch the host code from the CLOCK_MONOTONIC clock to the Linux
specific CLOCK_MONOTONIC_RAW clock.  It's common for ntp to slew the
CLOCK_MONOTONIC clock to account for drift, and that can break the
host's ability to make accurate predictions of the micro-controller
clock.  This could lead to "move queue empty" errors.  The
CLOCK_MONOTONIC_RAW clock is not slewed and thus should not have this
problem.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 		2018-07-09 12:25:19 -04:00
config config: Update Smoothieboard configs with notes on flashing the devices 2018-07-08 10:45:17 -04:00
docs docs: Expand on why it is important to provide the log in Contact.md 2018-07-08 20:30:35 -04:00
klippy chelper: Use CLOCK_MONOTONIC_RAW 2018-07-09 12:25:19 -04:00
lib lpc176x: Add initial support for LPC176x processors 2018-05-25 11:52:13 -04:00
scripts travis-build: Narrow portions of test run with "set +x" 2018-07-08 09:29:13 -04:00
src stm32f1: implement spi_prepare 2018-07-08 09:25:11 -04:00
test test: Add additional commands to test in commands.test 2018-07-05 11:02:48 -04:00
.gitignore Initial commit of source code. 2016-05-25 11:37:40 -04:00
.travis.yml build: Build pru gcc in travis-ci scripts and then cache it for later use 2018-06-28 17:01:11 -04:00
COPYING Initial commit of source code. 2016-05-25 11:37:40 -04:00
Makefile build: Add gcc option -std=gnu11 2018-05-21 09:43:48 -04:00
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/.