scale/src/lcd.h

#ifndef LCD_H
#define LCD_H

#include <Arduino.h>
#include <LiquidCrystal_I2C.h>

class LCD {
private:
    LiquidCrystal_I2C* lcd = nullptr;  // set the LCD address to 0x27 for a 16 chars and 2 line display
    const int columns = 18;
    const int rows = 2;

public:
    LCD();
    ~LCD();
    
    void init();
    void print_init_message(int calibration_weight) const;
    void print_calibration(int calib_weight) const;
    void print_weight(double weight, int precision, const char* unit) const;
    void print_weights(double grams, double grains) const;
    void print_control_result(String name, double val_min, double val_max, int result);
    void clear_row(int row) const;
    void clear() const;
};

#endif