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Kevin O'Connor e05c635489 stepcompreses: Change the step queue to use 32bit integers 
The RaspberryPi processor implements 'double to int32' conversions
much faster than 'double to int64' conversions.  Rework the code so
that steps stored in the queue are always a small offset from the last
sent step time.  (In the unlikely event that a step is far from the
last step time, then the queue is flushed to maintain this invariant.)

This simplifies the step compression code as well - it no longer needs
to check for integer overflows.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
 		2017-08-31 00:27:43 -04:00
config docs: Remove documentation for "custom" command blocks 2017-08-26 18:27:21 -04:00
docs docs: Remove documentation for "custom" command blocks 2017-08-26 18:27:21 -04:00
klippy stepcompreses: Change the step queue to use 32bit integers 2017-08-31 00:27:43 -04:00
lib sched: Introduce sched_wake_tasks() function to wake up tasks 2017-08-08 00:27:28 -04:00
scripts graphstats: Increase maximum expected task duration 2017-08-09 19:12:27 -04:00
src pru: Compile the irq_poll() function with -O2 optimization 2017-08-15 11:05:30 -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: Default to python2 in the Makefile 2017-06-28 10:52:05 -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/.