/*This software is provided in “AS IS” condition,NO WARRANTIES in any form apply to this software.
 picmicrolab.com 
***************************************************************************************************************
Digital Clock with 1602 LCD Shield Board for Arduino

SELECT - 3.0855 V - Adj Hours
LEFT - 1.9778 V - Adj Minutes
DOWN - 1.2446 V
UP - 0.4918 V
RIGHT - 0 V

*/
// include the library code:
#include <LiquidCrystal.h>

// initialize the library by associating any needed LCD interface pin
// with the arduino pin number it is connected to
const int rs = 8, en = 9, d4 = 4, d5 = 5, d6 = 6, d7 = 7;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
//----Time Var----------
int TimeHours10s =  0;
int TimeHours1s =  0;
int TimeMinutes10s =  0;
int TimeMinutes1s =  0;
int TimeSeconds10s =  0;
int TimeSeconds1s =  0;
//----------------------
//----Alarm Var---------
int AlarmHours10s =  0;
int AlarmHours1s =  0;
int AlarmMinutes10s =  0;
int AlarmMinutes1s =  0;
int AlarmSeconds10s =  0;
int AlarmSeconds1s =  0;
//----------------------


void setup() 
{
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
}

void loop() 
{
CalculateTime();  
ShowTime();
//ShowAlarm();
delay(1000);



//-------------------------------------Adj Time Value--------------
while(analogRead(A0)* 4.88 < 4500)
{
CalculateTime();  
ShowTime();
if(analogRead(A0)* 4.88 > 1700 && analogRead(A0)* 4.88 < 2100)
{
TimeMinutes1s++;
delay(500);
CalculateTime();
}
if(analogRead(A0)* 4.88 > 2800 && analogRead(A0)* 4.88 < 3200)
{
TimeHours1s++;
delay(500);
CalculateTime();
}
}
}


 void ShowTime()
  {
  //--------------------------------------------
  // Turn on the display
  lcd.display();
  lcd.setCursor(0, 0); // top left
  lcd.print("Time  ");//
  if(TimeHours10s == 0)
  lcd.print(" ");//
  else
  lcd.print(TimeHours10s);//
  lcd.print(TimeHours1s);//
  lcd.print(":");//
  lcd.print(TimeMinutes10s);//
  lcd.print(TimeMinutes1s);//
  lcd.print(":");//
  lcd.print(TimeSeconds10s);//
  lcd.print(TimeSeconds1s);//
  lcd.setCursor(0, 0); // top left
  }

 

void CalculateTime()
{
 TimeSeconds1s++;
  if(TimeSeconds1s == 10)
  {
  TimeSeconds1s = 0;
  TimeSeconds10s++;
  }
  if(TimeSeconds10s == 6)
  {
  TimeSeconds10s = 0;
  TimeSeconds1s = 0;
  TimeMinutes1s++;
  }
  if(TimeMinutes1s == 10)
  {
  TimeMinutes1s = 0;
  TimeSeconds10s = 0;
  TimeSeconds1s = 0;
  TimeMinutes10s++;
  }
  if(TimeMinutes10s == 6)
  {
  TimeMinutes10s = 0;
  TimeMinutes1s = 0;
  TimeSeconds10s = 0;
  TimeSeconds1s = 0;
  TimeHours1s++;
  }
  if(TimeHours1s == 10) 
  {
  TimeHours1s=0;
  TimeMinutes10s = 0;
  TimeMinutes1s = 0;
  TimeSeconds10s = 0;
  TimeSeconds1s = 0;
  TimeHours10s++;
  }
  if(TimeHours10s == 2 && TimeHours1s == 4) 
  {
  TimeHours10s=0; 
  TimeHours1s=0;
  TimeMinutes10s = 0;
  TimeMinutes1s = 0;
  TimeSeconds10s = 0;
  TimeSeconds1s = 0;
 
  } 
}