#ifndef STEPPER_H
#define STEPPER_H

#include <avr/interrupt.h>

// To raise shade, set adjup_pos to num cycles desired
extern volatile unsigned char adjup_pos;
// To lower shade, set adjdown_pos to num cycles desired
extern volatile unsigned char adjdown_pos;
// To open shade, set adjopen_pos to num cycles desired
extern volatile unsigned char adjopen_pos;
// To close shade, set adjclose_pos to num cycles desired
extern volatile unsigned char adjclose_pos;

extern volatile unsigned char current_flap_pos;
extern volatile unsigned char current_blind_pos;

extern unsigned char steps_per_blind_pos;
extern unsigned char steps_per_flap_pos;
/****
 * Initializes the stepper motor for full range
 ****/
void stepper_init();

// Calibrate and zero stepper motor position
void stepper_calib();

ISR(TIMER2_COMPA_vect);
#endif