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/*
stepper.h - stepper motor driver: executes motion plans of planner.c using the stepper motors
Part of Grbl
Copyright (c) 2009-2011 Simen Svale Skogsrud
Grbl 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.
Grbl 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 Grbl. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef stepper_h
#define stepper_h
#include <avr/io.h>
#include <avr/sleep.h>
// Initialize and start the stepper motor subsystem
void st_init();
// Block until all buffered steps are executed
void st_synchronize();
// Execute the homing cycle
void st_go_home();
// The stepper subsystem goes to sleep when it runs out of things to execute. Call this
// to notify the subsystem that it is time to go to work.
void st_wake_up();
#endif
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