MarlinFirmware/Marlin/stepper.h

/*
  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 "planner.h"

// Initialize and start the stepper motor subsystem
void st_init();

// Block until all buffered steps are executed
void st_synchronize();

// Set current position in steps
void st_set_position(const long &x, const long &y, const long &z, const long &e);
void st_set_e_position(const long &e);

// Get current position in steps
long st_get_position(char axis);

// 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();

  
void checkHitEndstops(); //call from somwhere to create an serial error message with the locations the endstops where hit, in case they were triggered
void endstops_hit_on_purpose(); //avoid creation of the message, i.e. after homeing and before a routine call of checkHitEndstops();

void checkStepperErrors(); //Print errors detected by the stepper

extern block_t *current_block;  // A pointer to the block currently being traced


#endif