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#ifndef _STEPPER_H_

#define _STEPPER_H_

#define S_STEP    PD6

#define S_DIR     PD7

#define S_MS      PB7

#define S_EN      PF0

#define STEP_WHOLE 2

#define STEP_HALF 1

/* Initializes the stepper with whole steps and no direction. step_sweep_bounds

 * and step_dir should be called before using step_sweep. */

void step_init();

/* Don't call step_do_step or step_sweep if you haven't called step_enable() */

void step_set_size(char size);

void step_dir(int dir);

void step_do_step();

void step_flush();

void step_sweep_bounds(int ccw, int cw);

void step_sweep();

void step_enable();

void step_disable();

int step_get_pos();

#endif