Information

#include "ssd1306.h"
#include "nano_gfx.h"
#include <EveryTimer.h>
/*
* define Input/Outputs
*/
#define LED_NANO 13 // LED placed on Arduino Nano board
#define BTN_UP 11 // controlling button UP/PLUS
#define BTN_DOWN 12 // controlling button DOWN/MINUS
#define BTN_EXT 8 // button for material extrusion
#define BTN_REV 7 // button for material reverse
#define MOTOR_DIR 6 // motor direction output
#define MOTOR_PWM 10 // motor PWM output for power driving
#define MOTOR_SLEEP 5
#define HEATER_EN 9 // heater/power output
#define TEMP_IN A0 // temperature measure ADC input
/*
* define heating states
*/
enum {
STATE_HEATING,
STATE_COOLING,
STATE_READY,
} STATE_e;
enum {
MOTOR_STOP,
MOTOR_EXTRUSION,
MOTOR_REVERSE,
MOTOR_CONTINUOUS,
MOTOR_REVERSE_AFTER_EXTRUSION
} MOTOR_STATE_e;