#include "LiquidCrystal_Include.h" //#include "LiquidCrystal_Base.h"
// LCD address and geometry for LCD 1602
#include "special_chars.h"
// Initialize library and setting LCD geometry
LiquidCrystal_I2C lcd_20_i2c(0x27,20,4);





void setup() { 
  // Initialize one of LCD variants

  //  lcd = &lcd_20_norm; //
  //  setupTwenty(); //
  //  lcd->begin();
	// lcd = &lcd_16_norm; //setupSixteen(); //lcd->init(); //lcd->begin(16, 2);
   uint32_t start = micros();
   lcd_20_i2c.begin();
  // lcd = &lcd_16_i2c; //lcd->begin();

  lcd_20_i2c.setCursor(1, 1);
  lcd_20_i2c.print(LCD_ALPHA);
  lcd_20_i2c.print(LCD_BETA);
  lcd_20_i2c.print(LCD_EPSILON);
  lcd_20_i2c.print(LCD_MU);
  lcd_20_i2c.print(LCD_RHO);
  lcd_20_i2c.print(LCD_SQROOT);
  lcd_20_i2c.print(LCD_THETA);
  lcd_20_i2c.print(LCD_INFINITY);
  lcd_20_i2c.print(LCD_OHM);
  lcd_20_i2c.print(LCD_SIGMA);
  lcd_20_i2c.print(LCD_PI);
  lcd_20_i2c.print(LCD_XAVG);
  lcd_20_i2c.print(LCD_DEGREE);
  lcd_20_i2c.print(LCD_DIVIDE);

  
  //lcd_20_i2c.print(__TIME__);
  uint32_t stop = micros();


  lcd_20_i2c.write(0xDF); //todo: test

  lcd_20_i2c.setCursor(14, 1);
  lcd_20_i2c.print(stop - start);
  delay(1000);
}

void loop()
{
  
}