// ***************************************************************************
// this constant won't change:
const int buttonPin = 2; // the pin that the pushbutton is attached to
const int ledPin = 13; // the pin that the LED is attached to
// Variables will change:
int DOCounter = 0; // counter for the number of Door Opened
int doorState = 0; // current state of the Door
int lastdoorState = 0; // previous state of the Door
unsigned long Dtemps = 0; // Duration of the operation
unsigned long SDtemps = 0; // Duration of the operation in second
unsigned long DtimeO = 0; // Exact time the door is opened
unsigned long SDtimeO = 0; // Exact time the door is opened in seconds
unsigned long DtimeC = 0; // Exact time the door is closed
unsigned long SDtimeC = 0; // Exact time the door is Closed in seconds
unsigned long DOtime = 0; // Door Previous opening time
unsigned long SDOtime = 0; // Door Previous opening time in seconds
unsigned long DOTotaltime = 0; // Cumulative time of all Door openings
unsigned long SDOTotaltime = 0; // Cumulative time of all Door openings in seconds
float DOpercent = 0; // Percentage of door opening time
// ********************************************************
void setup() {
// initialize the button pin as a input:
pinMode(buttonPin, INPUT);
// initialize the LED as an output:
pinMode(ledPin, OUTPUT);
// initialize serial communication:
Serial.begin(9600);
//Program Start Phrase
Serial.println( " Starting the program: Hello ... ");
Serial.println(" ");
/*
Op : Opening
D. O .T. : Door opening time
D. C .T. : Door closing time
D. O. : Door open time
C. D. O. : Cumulative door open time
D. S. O. : Duration of the operation
% : Percentage of door opening time
*/
Serial.println(" Op : Opening | D. O .T. : Door opening time | D. C .T. : Door closing time");
Serial.println(" D. O. : Door open time | C. D. O. : Cumulative door open time ");
Serial.println(" D. S. O. : Duration of the operation | % : Percentage of door opening time ");
Serial.println(" ");
Serial.println("********************************************************************");
Serial.println(" Op | D. O .T. | D. C. T. | D. O. | C. D. O. | D. S. O. | % ");
Serial.println("--------------------------------------------------------------------");
} //void setup
// ***************************************************************************
void loop() {
// read the pushbutton input pin:
doorState = digitalRead(buttonPin);
Dtemps = millis(); // Exact time the operation began
// compare the buttonState to its previous state
if (doorState != lastdoorState) {
// if the state has changed, increment the counter
if (doorState == LOW) {
// turn LED ON:
digitalWrite(ledPin, HIGH);
// if the current state is HIGH then the button went from off to on:
DOCounter++; // Adds 1 to the counter
DtimeO = millis(); // Exact time the door is opened
} //if (doorState == LOW)
else {
// turn LED OFF:
digitalWrite(ledPin, LOW);
// if the current state is LOW then the button went from on to off:
SDtemps = 0.001 * Dtemps; // Expression of time in seconds
SDtimeO = 0.001 * DtimeO; // Expression of time in seconds
DtimeC = millis(); // Exact time the door is closed
SDtimeC = 0.001 * DtimeC;// Expression of time in seconds
DOtime = DtimeC - DtimeO; // Calculation of door opening time
SDOtime = 0.001 * DOtime; // Expression of time in seconds
DOTotaltime = DOTotaltime + DOtime; // Calculation of the total duration of all door openings
SDOTotaltime = 0.001 * DOTotaltime; // Expression of time in seconds
float fDtimeC = (float)DtimeC; // Conversion to Float
float fDOTotaltime = (float)DOTotaltime; // Conversion to Float
DOpercent = 100 * (fDOTotaltime / fDtimeC); // percentage calculation
// Display values
// Op:
if (DOCounter < 10){Serial.print(" ");}
else if (DOCounter < 100){Serial.print(" ");}
Serial.print(DOCounter);
Serial.print(" | ");
// D. O. T.
if ( SDtimeO < 10){ Serial.print(" ");}
else if ( SDtimeO < 100){ Serial.print(" ");}
else if ( SDtimeO < 1000){ Serial.print(" ");}
else if ( SDtimeO < 10000){ Serial.print(" ");}
Serial.print(SDtimeO);
Serial.print(" | ");
// D. C. T.
if ( SDtimeC < 10){ Serial.print(" ");}
else if ( SDtimeC < 100){ Serial.print(" ");}
else if ( SDtimeC < 1000){ Serial.print(" ");}
else if ( SDtimeC < 10000){ Serial.print(" ");}
Serial.print(SDtimeC);
Serial.print(" | ");
// D. O.
if ( SDOtime < 10){ Serial.print(" ");}
else if ( SDOtime < 100){ Serial.print(" ");}
else if ( SDOtime < 1000){ Serial.print(" ");}
else if ( SDOtime < 10000){ Serial.print(" ");}
Serial.print(SDOtime);
Serial.print(" | ");
// C. D. O.
if ( SDOTotaltime < 10){ Serial.print(" ");}
else if ( SDOTotaltime < 100){ Serial.print(" ");}
else if ( SDOTotaltime < 1000){ Serial.print(" ");}
else if ( SDOTotaltime < 10000){ Serial.print(" ");}
Serial.print(SDOTotaltime);
Serial.print(" | ");
// D. S. O.
if ( SDtemps < 10){ Serial.print(" ");}
else if ( SDtemps < 100){ Serial.print(" ");}
else if ( SDtemps < 1000){ Serial.print(" ");}
else if ( SDtemps < 10000){ Serial.print(" ");}
Serial.print(SDtemps);
Serial.print(" | ");
// %
if ( DOpercent < 10){ Serial.print(" ");}
else if ( DOpercent < 100){ Serial.print(" ");}
Serial.println(DOpercent);
Serial.println("--------------------------------------------------------------------");
} //else
// Delay a little bit to avoid bouncing
delay(10);
} //if (doorState != lastdoorState)
// save the current state as the last state, for next time through the loop
lastdoorState = doorState;
} //void loop
