grbl-LPC-CoreXY/stepper.h
2010-03-03 13:04:51 +01:00

49 lines
1.4 KiB
C

/*
stepper.h - stepper motor interface
Part of Grbl
Copyright (c) 2009 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>
#define STEPPER_MODE_STOPPED 0
#define STEPPER_MODE_RUNNING 1
#define STEPPER_MODE_LIMIT_OVERRUN 2
#define STEPPER_MODE_HOMING 3
// Initialize and start the stepper motor subsystem
void st_init();
// Add a new linear movement to the buffer. steps_x, _y and _z is the signed, relative motion in
// steps. Microseconds specify how many microseconds the move should take to perform.
void st_buffer_line(int32_t steps_x, int32_t steps_y, int32_t steps_z, uint32_t rate);
// Block until all buffered steps are executed
void st_synchronize();
// Cancel all pending steps
void st_flush();
// Execute the homing cycle
void st_go_home();
#endif