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It's possible for sched_del_timer() to be called on a timer that fires just after sched_del_timer disables irqs but before the next timer is scheduled. In this case be sure to clear the irq pending status flag after scheduling the next timer so that a delayed irq doesn't cause the wrong timer to be run. For the same reason, make sure to check the irq pending status flag at the start of the timer irq. Also, as a safety check, make sure timer_set_next() isn't called from within the timer irq dispatch loop. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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/.