ea09ddba99
the stepper interrupt is only halted when necessary and for the shortest time possible (8% cycle time)
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
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stepper.h - stepper motor driver: executes motion plans of planner.c using the stepper motors
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Part of Grbl
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Copyright (c) 2009-2011 Simen Svale Skogsrud
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Copyright (c) 2011 Sungeun K. Jeon
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Grbl is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Grbl is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Grbl. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef stepper_h
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#define stepper_h
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#include <avr/io.h>
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// Initialize and setup the stepper motor subsystem
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void st_init();
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// Enable steppers, but cycle does not start unless called by motion control or runtime command.
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void st_wake_up();
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// Immediately disables steppers
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void st_go_idle();
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// Reset the stepper subsystem variables
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void st_reset();
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// Notify the stepper subsystem to start executing the g-code program in buffer.
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void st_cycle_start();
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// Reinitializes the buffer after a feed hold for a resume.
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void st_cycle_reinitialize();
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// Initiates a feed hold of the running program
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void st_feed_hold();
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// Accessor function to query the acceleration state of the stepper
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uint8_t st_is_decelerating();
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#endif
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