/*********************************************************************
                        INCLUDE SECTION
**********************************************************************/
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include "RTClib.h"
/*********************************************************************
                        DEFINE SECTION
**********************************************************************/
#define lcdPrint(strings)           lcd.print(strings)
#define lcdCursor(param1,param2)    lcd.setCursor(param1,param2);
/*********************************************************************
                        GLOBAL VARIABLES SECTION
**********************************************************************/
 LiquidCrystal_I2C lcd(0x27,20,4); 
 RTC_DS1307 rtc;
/*********************************************************************
                        MAIN SECTION
**********************************************************************/

void setup() {
  LCD2004_Init();
  RTCDS1307_Init();
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

/*********************************************************************
                        LOW LAYER SECTION
**********************************************************************/
/*
@fn void outputHigh(int pin)
@brief set an output high
@param [in] int pin: pin name or number
@return: none
*/
void outputHigh(int pin)
{
  digitalWrite(pin,HIGH);
}
/*
@fn void outputLow(int pin)
@brief set an output low
@param [in] int pin: pin name or number
@return: none
*/
void outputLow(int pin)
{
  digitalWrite(pin,LOW);
}
/*
@fn void outputToggle(int pin)
@brief toggle output
@param [in] int pin: pin name or number
@return: none
*/
void outputToggle(int pin)
{
  int status = digitalRead(pin);
  digitalWrite(pin,!status);
}

/*
@fn void delay_ms(unsigned )
@brief delay 
@param [in] unsigned: value in milliseconds
@return: none
*/
void delay_ms(unsigned int time)
{
  unsigned int ms = millis();

  while((millis()-ms) <= time);
}
/*********************************************************************
                        MEDIUM LAYER SECTION
**********************************************************************/
void LCD2004_Animation(void)
{
  for(int j = 0; j < 1; j++)
  {
    for(int i = 0; i < 20; i++)
    {
      lcdCursor(i,2);
      lcdPrint("*");
      delay_ms(20);  
      lcdCursor(i,2);
      lcdPrint(" ");
    }

    for(int i = 19; i >= 0; i--)
    {
      lcdCursor(i,2);
      lcdPrint("*");
      delay_ms(20);  
      lcdCursor(i,2);
      lcdPrint(" ");
    }
  }
}
/*
@fn void LCD2004_Init(void)
@brief initialize LCD
@param [in]: none 
@return: none
*/
void LCD2004_Init(void)
{
 
  lcd.begin(20, 4);
  lcd.backlight();
  lcd.clear();
  lcdCursor(1,0);
  lcdPrint("System initialized");

  LCD2004_Animation();
}
/*
@fn void RTCDS1307_Init(void)
@brief initialize RTC
@param [in]: none 
@return: none
*/
void RTCDS1307_Init(void)
{
  lcd.clear();
  delay_ms(100);

  if (!rtc.begin()) {
    lcdCursor(1,0);
    lcdPrint("failInit RCT");
    abort();
  }
  else{
    lcdCursor(1,0);
    lcdPrint("RTC initialized");
  }
  LCD2004_Animation();
}
/*********************************************************************
                        HIGH LAYER SECTION
**********************************************************************/