stepper.h

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/*
  stepper.h - stepper motor driver: executes motion plans of planner.c using the stepper motors
  Part of Grbl
 
  Copyright (c) 2011-2016 Sungeun K. Jeon for Gnea Research LLC
  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
 
#ifndef SEGMENT_BUFFER_SIZE
  #define SEGMENT_BUFFER_SIZE 6
#endif
 
// Initialize and setup the stepper motor subsystem
void stepper_init();
 
// Enable steppers, but cycle does not start unless called by motion control or realtime command.
void st_wake_up();
 
// Immediately disables steppers
void st_go_idle();
 
// Generate the step and direction port invert masks.
void st_generate_step_dir_invert_masks();
 
// Reset the stepper subsystem variables
void st_reset();
 
// Changes the run state of the step segment buffer to execute the special parking motion.
void st_parking_setup_buffer();
 
// Restores the step segment buffer to the normal run state after a parking motion.
void st_parking_restore_buffer();
 
// Reloads step segment buffer. Called continuously by realtime execution system.
void st_prep_buffer();
 
// Called by planner_recalculate() when the executing block is updated by the new plan.
void st_update_plan_block_parameters();
 
// Called by realtime status reporting if realtime rate reporting is enabled in config.h.
float st_get_realtime_rate();
 
#endif