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Sunday 16 March 2014

Room Management System - The complete code

As promised the updated and debugged code for the room management system.

/////////////////////Declaring the Variables/////////////////

///////////Timer and Sensitivity Settings to be changed to individual needs////////////////
 unsigned int sensitivity = 500;                                       //should be between 200 and 1000 as
                                                                                    //lower the number as more responsive
                                                                                   //the system will be

unsigned int photoCellCutOff = 280;              //var holding the value where the photocell cuts off


long int dBed1 = 60000;                                                //delay time in milliseconds for bedroom 1
long int dBed2 = 60000;                                                //delay time in milliseconds for bedroom 2
long int dBed3 = 60000;                                                //delay time in milliseconds for bedroom 3
long int dLiving = 120000;                                             //delay time in milliseconds for living area
long int dBath1 = 180000;                                             //delay time in milliseconds for bathroom 1
long int dBath2 = 180000;                                             //delay time in milliseconds for bathroom 2
long int dBath3 = 180000;                                             //delay time in milliseconds for bathroom 3
long int dBath4 = 180000;                                             //delay time in milliseconds for bathroom 4
long int dKitchen = 120000;                                          //delay time in milliseconds for kitchen
long int dCorridor = 60000;                                           //delay time in milliseconds for corridor
long int dAC1 = 120000;                                               //delay time in milliseconds for AC 1 (bed1)
long int dAC2 = 120000;                                              //delay time in milliseconds for AC 2 (bed2)
long int dAC3 = 120000;                                              //delay time in milliseconds for AC 3 (bed3)
long int dAC4 = 120000;                                              //delay time in milliseconds for AC 4 (living)
long int dMaster = 240000;                                          //delay time in milliseconds for Master Off

////////////////DO NOT MODIVY BELOW HERE///////////////////////

//////////defining Arduino Pins/////////////////
const int latchPin = 2;                                                       //latch pin input connected to
                                                                                        //Arduino digital pin 2
const int clockPin = 3;                                                      //clock pin input connected to
                                                                                       //Arduino digital pin 3
const int dataPin = 4;                                                       //data pin input connected to
                                                                                       //Arduino digital pin 4
const int latchPinOut = 5;                                                 //latch pin output shift register
                                                                                       //74HC595 connected to Arduino
                                                                                       //digital pin 5
const int clockPinOut = 6;                                               //clock pin output shift register
                                                                                      //74HC595 connected to Arduino
                                                                                      //digital pin 6
const int dataPinOut = 7;                                                //data pin output shift register
                                                                                      //74HC595 connected to Arduino
                                                                                      //digital pin 7

//////////Variables to hold the data for each input shift register//////////

byte switchVar1 = 0;                                                       //data for input shift register 1
byte switchVar2 = 0;                                                       //data for input shift register 2
byte switchVar3 = 0;                                                       //data for input shift register 3

////////////////all the other variables///////////////////////////
unsigned long delayTime[16] = {dBed1, dBed2, dBed3, dLiving, dBath1, 
                                               dBath2, dBath3, dBath4, dKitchen, 
                                               dCorridor, dAC1, dAC2, dAC3, dAC4,
                                               dMaster, 0};

 

int maintenancePin = 0;                             //defining the var for the maintenance switch
int lightSensor = A0;                                                 //defining the input for the photocell
int sensorValue = 0;                                                  //holding the indicated sensor value
                                                                                //of the photocell
unsigned long outputL = 0;                                              //variable to hold the output
unsigned int mainOff = 1;                                                 //variable for master relay control
unsigned long offTime = 0;                                               //var needed to calculate delay for master off
unsigned int masterSwitchStateOld = 0;                           //var holding the previous door switch state
int doorMonitor = 13;                                                     //Arduino pin for a monitor LED
unsigned int switchState[25] = {0};                                 //array holding the state of each switch
unsigned long lightOutput[17] = {0};                               //array holding a integer which converted to binary
                                                                                      //will trigger the relay to switch in our output code
unsigned int lightStatus[17] = {0};                                  //array holding the switch status of each room on/off
unsigned long roomTimer[17] = {0};                              //array holding the time when the PIR was last
                                                                                     //activated
unsigned int priorityStatus[17] = {0};                             //array holding the priority status of each room 
                                                                                    //on/off
unsigned long currentTime = 0;                                      //var to hold a reference time to calculate the up time
                                                                                    //against the preprogrammed delay time
unsigned long endTime = 0;                                           //var to hold a temp result to calculate the up time
                                                                                    //against the preprogrammed delay time


void setup() {
//////////////Start Serial for Debugging/////////////////////

Serial.begin(9600);

//////////////////defining pin modes////////////////////
pinMode(doorMonitor, OUTPUT);                              //setting the LED pin to output

//input shift register CD4021B

pinMode(latchPin, OUTPUT);                                     //setting the latch pin to output
pinMode(clockPin, OUTPUT);                                    //setting the clock pin to output
pinMode(dataPin, INPUT);                                         //setting the data pin to input

//output shift register 74HC595
 pinMode(latchPinOut, OUTPUT);                            
 pinMode(clockPinOut, OUTPUT);
 pinMode(dataPinOut, OUTPUT);

}

void loop() {
//////////////////////////////////////getting the input//////////////////////////////////////////////////
//pulse the latch pin, set to high to collect serial data
digitalWrite(latchPin, HIGH);
//give it chance to collect the data
delayMicroseconds(20);
//set latch pin to low to transmit data serially
digitalWrite(latchPin, LOW);

//while in serial mode, collect data into a byte
switchVar1 = shiftIn(dataPin, clockPin);
switchVar2 = shiftIn(dataPin, clockPin);
switchVar3 = shiftIn(dataPin, clockPin);
/////////////do something with the collected Data/////////////////////
//checks for debugging
Serial.println();                                                    //debug only
Serial.print("Switch variable 1: ");                        //debug only
Serial.println(switchVar1, BIN);                          //debug only
Serial.println("-------------------");                    //debug only
Serial.println();                                                   //debug only
Serial.print("Switch variable 2: ");                       //debug only
Serial.println(switchVar2, BIN);                         //debug only
Serial.println("-------------------");                   //debug only
Serial.println();                                                  //debug only
Serial.print("Switch variable 3: ");                      //debug only
Serial.println(switchVar3, BIN);                        //debug only
Serial.println("-------------------");                  //debug only

////////////loop through the 8 input pins to check their status////////////
for(int n=0; n<=7; n++){

//shift register 1
if(switchVar1 & (1)) { //checking S1
Serial.println("Switch 1 was activated."); //debug only
switchState[0] = 1;
}
else {
switchState[0] = 0;
}

if(switchVar1 & (1 << 1)) {                                                      //checking S2
Serial.println("Switch 2 was activated.");                                   //debug only
switchState[1] = 1;
}
else {
switchState[1] = 0;
}
if(switchVar1 & (1 << 2)) {                                                      //checking S3
Serial.println("Switch 3 was activated.");                                   //debug only
switchState[2] = 1;
}
else {
switchState[2] = 0;
}

if(switchVar1 & (1 << 3)) {                                                     //checking S4
Serial.println("Switch 4 was activated.");                                  //debug only
switchState[3] = 1;
}
else {
switchState[3] = 0;
}

if(switchVar1 & (1 << 4)) {                                                     //checking S8
Serial.println("Switch 8 was activated.");                                  //debug only
switchState[7] = 1;
}
else {
switchState[7] = 0;
}

if(switchVar1 & (1 << 5)) {                                                    //checking S7
Serial.println("Switch 7 was activated.");                                 //debug only
switchState[6] = 1;
}
else {
switchState[6] = 0;
}

if(switchVar1 & (1 << 6)) {                                                      //checking S6
Serial.println("Switch 6 was activated.");                                   //debug only
switchState[5] = 1;
}
else {
switchState[5] = 0;
}

if(switchVar1 & (1 << 7)) {                                                      //checking S5
Serial.println("Switch 5 was activated.");                                   //debug only
switchState[4] = 1;
}
else {
switchState[4] = 0;
}

//shift register 2

if(switchVar2 & (1)) {                                                               //checking S9
Serial.println("Switch 9 was activated.");                                    //debug only
switchState[8] = 1;
}
else {
switchState[8] = 0;
}

if(switchVar2 & (1 << 1)) {                                                      //checking S10
Serial.println("Switch 10 was activated.");                                 //debug only
switchState[9] = 1;
}
else {
switchState[9] = 0;
}

if(switchVar2 & (1 << 2)) {                                                     //checking S11
Serial.println("Switch 11 was activated.");                                //debug only
switchState[10] = 1;
}
else {
switchState[10] = 0;
}

if(switchVar2 & (1 << 3)) {                                                      //checking S12
Serial.println("Switch 12 was activated.");                                 //debug only
switchState[11] = 1;
}
else {
switchState[11] = 0;
}

if(switchVar2 & (1 << 4)) {                                                      //checking S16
Serial.println("Switch 16 was activated.");                                 //debug only
switchState[15] = 1;
}
else {
switchState[15] = 0;
}

if(switchVar2 & (1 << 5)) {                                                     //checking S15
Serial.println("Switch 15 was activated.");                                //debug only
switchState[14] = 1;
}
else {
switchState[14] = 0;
}

if(switchVar2 & (1 << 6)) {                                                    //checking S14
Serial.println("Switch 14 was activated.");                               //debug only
switchState[13] = 1;
}
else {
switchState[13] = 0;
}

if(switchVar2 & (1 << 7)) {                                                    //checking S13
Serial.println("Switch 13 was activated.");                               //debug only
switchState[12] = 1;
}
else {
switchState[12] = 0;
}

//shift register 3

if(switchVar3 & (1)) {                                                              //checking S17
Serial.println("Switch 17 was activated.");                                //debug only
switchState[16] = 1;
}
else {
switchState[16] = 0;
}

if(switchVar3 & (1 << 1)) {                                                     //checking S18
Serial.println("Switch 18 was activated.");                                //debug only
switchState[17] = 1;
}
else {
switchState[17] = 0;
}
if(switchVar3 & (1 << 2)) {                                                   //checking S19
Serial.println("Switch 19 was activated.");                              //debug only
switchState[18] = 1;
}
else {
switchState[18] = 0;
}
}
if(switchVar3 & (1 << 3)) {                                         //checking S20
//Serial.println("Switch 20 was activated.");                  //debug only
maintenancePin = 1;
}
else {
maintenancePin = 0;
}

////////////////getting the photocell readings//////////////////////
sensorValue = analogRead(lightSensor);                      //reading the photocell

//Serial.print("Sensor value: ");                                    //debug only
//Serial.println(sensorValue);                                       //debug only

//////////////////processing the input/////////////////////
if(switchState[0] == 1 && lightStatus[16] == 1) {                //checking if PIR in Room 1 was
                                                                                            //activated (bed 1)
lightStatus[16] = 0;                                                              //resetting master off
digitalWrite(doorMonitor, LOW);                                         //resetting the door Monitor LED
}
if(switchState[1] == 0 && sensorValue <= photoCellCutOff) {     //checking if S2 priority off was
                                                                                           //set bed 1
if(switchState[0] == 1 && priorityStatus[0] == 0) {            //check if the PIR in bed 1 was
                                                                                          //activated and no priority was set
Serial.println("We switch in the lights in bedroom 1");          //Debug only
lightOutput[0] = 1;                                                             //switching on the lights – binary
                                                                                         //000000000000000000000001
lightStatus[0] = 1;                                                              //setting the light status for bed 1
lightOutput[14] = 16384;                                                   //make sure the master relay
                                                                                         //stays on
lightStatus[14] = 1;                                                            //setting the master relay status
roomTimer[0] = millis();                                                     //setting the timer
}
else if(switchState[0] == 0 && lightStatus[0] == 1) {         //the PIR not activated but the
                                                                                         //lights are on
Serial.println("We are checking the timer");                         //Debug only
currentTime = millis();                                                        //setting time reference
endTime = currentTime - roomTimer[0];                            //calculating the inactive time
if(endTime >= delayTime[0]) {                                          //comparing inactive time with
                                                                                        //allowed delay time
Serial.println("Time is up switching off the lights");              //Debug only
lightOutput[0] = 0;                                                           //switching off the lights
lightStatus[0] = 0;                                                            //resetting the light status
roomTimer[0] = 0;                                                           //resetting the room timer
}
}
}
else if(switchState[1] == 1 && lightStatus[0] == 1) {      //if priority is activated and the
                                                                                      //lights are on
Serial.println("Priority switch activated switching off the lights"); //Debug only
lightOutput[0] = 0;                                                          //switching off the lights
lightStatus[0] = 0;                                                           //resetting the light status
roomTimer[0] = 0;                                                          //resetting the room timer
priorityStatus[0] = 1;                                                      //setting the priority status bed 1
}
else if(switchState[1] == 0 && lightStatus[0] == 0) {      //if priority was activated and the
                                                                                      //lights are off
Serial.println("Priority switch deactivated switching on the lights"); //Debug only
lightOutput[0] =1;                                                           //switching on the lights
lightStatus[0] = 1;                                                           //setting the light status
roomTimer[0] = millis();                                                  //setting the room timer
priorityStatus[0] = 0;                                                      //setting the priority for bed 1 back 
                                                                                      //to 0
}
if(switchState[2] == 1 && lightStatus[16] == 1) {          //checking if PIR in Room 2 was
                                                                                     //activated (bed 2)
lightStatus[16] = 0;                                                        //resetting master off
digitalWrite(doorMonitor, LOW);                                  //resetting the door Monitor LED
}
if(switchState[3] == 0 && sensorValue <= photoCellCutOff){    //checking if S4 priority off was
                                                                                    //set bed 2
if(switchState[2] == 1 && priorityStatus[1] == 0){       //check if the PIR in bed 2 was
                                                                                    //activated (S3)
Serial.println("We switch on the lights");                         //debug only
lightOutput[1] = 2;                                                        //switch on the lights
                                                                                    //Binary 0000000000000010
lightStatus[1] = 1;                                                         //setting the light status
lightOutput[14] = 16384;                                              //make sure the master relay
                                                                                    //stays on
lightStatus[14] = 1;                                                       //setting the master relay status
roomTimer[1] = millis();                                                //setting the timer
}
else if(switchState[2] == 0 && lightStatus[1] == 1) {    //the PIR not activated but the
                                                                                    //the lights are on
Serial.println("We are checking the timer");                   //debug only
currentTime = millis();                                                  //setting time reference
endTime = currentTime - roomTimer[1];                      //calculating the inactive time
if(endTime >= delayTime[1]) {                                    //comparing inactive time with
Serial.println("Time is up we switch the lights off");       //debug only
lightOutput[1] = 0;                                                      //switching off the lights
lightStatus[1] = 0;                                                       //resetting the light status
roomTimer[1] = 0;                                                      //resetting the room timer
}
}
}
else if(switchState[3] == 1 && lightStatus[1] == 1) { //if priority is activated and the
                                                                                 //lights are on
Serial.println("Priority switch activated, switching off the lights"); //debug only
lightOutput[1] = 0;                                                     //switching off the lights
lightStatus[1] = 0;                                                      //resetting the light status
roomTimer[1] = 0;                                                     //resetting the room timer
priorityStatus[1] = 1;                                                 //setting the priority status for
                                                                                 //bed 2
}
else if(switchState[3] == 1 && lightStatus[1] == 0) { //if priority is activated and the
                                                                                 //lights are off
Serial.println("Priority switch off, switching the light back to normal"); //debug only
lightOutput[1] = 2;                                                      //switching ion the lights
lightStatus[1] = 1;                                                       //setting the light status
roomTimer[1] = millis();                                              //setting the room timer
priorityStatus[1] = 0;                                                  //resetting the priority status
}
if(switchState[4] == 1 && lightStatus[16] == 1) {       //checking if PIR in Room 3 was
                                                                                   //activated (bed 3)
lightStatus[16] = 0;                                                      //resetting master off
digitalWrite(doorMonitor, LOW);                                //resetting the door Monitor LED
}
if(switchState[5] == 0 && sensorValue <= photoCellCutOff){   //checking if S6 priority off was
                                                                                   //set bed 3
if(switchState[4] == 1 && priorityStatus[2] == 0){      //check if the PIR in bed 3 was
                                                                                   //activated (S5)
Serial.println("We switch on the lights");                        //debug only
lightOutput[2] = 4;                                                       //switch on the lights
                                                                                   //Binary 0000000000000100
lightStatus[2] = 1;                                                        //setting the light status
lightOutput[14] = 16384;                                             //make sure the master relay
                                                                                   //stays on
lightStatus[14] = 1;                                                      //setting the master relay status
roomTimer[2] = millis();                                               //setting the timer
}
else if(switchState[4] == 0 && lightStatus[2] == 1) {  //the PIR not activated but the
                                                                                   //the lights are on
Serial.println("We are checking the timer");                   //debug only
currentTime = millis();                                                  //setting time reference
endTime = currentTime - roomTimer[2];                       //calculating the inactive time
if(endTime >= delayTime[2]) {                                     //comparing inactive time with
Serial.println("Time is up we switch the lights off");        //debug only
lightOutput[2] = 0;                                                       //switching off the lights
lightStatus[2] = 0;                                                        //resetting the light status
roomTimer[2] = 0;                                                       //resetting the room timer
}
}
}
else if(switchState[5] == 1 && lightStatus[2] == 1) {                     //if priority is activated and the
                                                                                                      //lights are on
Serial.println("Priority switch activated, switching off the lights");      //debug only
lightOutput[2] = 0;                                                                         //switching off the lights
lightStatus[2] = 0;                                                                          //resetting the light status
roomTimer[2] = 0;                                                                         //resetting the room timer
priorityStatus[2] = 1;                                                                     //setting the priority status for
                                                                                                    //bed 3
}
else if(switchState[5] == 1 && lightStatus[2] == 0) {                     //if priority is activated and the
                                                                                                     //lights are off
Serial.println("Priority switch off, switching the light back to normal"); //debug only
lightOutput[2] = 4;                                                                         //switching ion the lights
lightStatus[2] = 1;                                                                          //setting the light status
roomTimer[2] = millis();                                                                 //setting the room timer
priorityStatus[2] = 0;                                                                     //resetting the priority status
}
if(switchState[6] == 1 && lightStatus[16] == 1) {                         //checking if PIR in Room 4 was
                                                                                                     //activated (living)
lightStatus[16] = 0;                                                                        //resetting master off
digitalWrite(doorMonitor, LOW);                                                  //resetting the door Monitor LED
}
if(switchState[7] == 0 && sensorValue <= photoCellCutOff){      //checking if S8 priority off was
                                                                                                     //set living
if(switchState[6] == 1 && priorityStatus[3] == 0){                        //check if the PIR in living was
                                                                                                     //activated (S7)
Serial.println("We switch on the lights");                                          //debug only
lightOutput[3] = 8;                                                                         //switch on the lights
                                                                                                     //Binary 0000000000001000
lightStatus[3] = 1;                                                                           //setting the light status
lightOutput[14] = 16384;                                                               //make sure the master relay
                                                                                                     //stays on
lightStatus[14] = 1;                                                                        //setting the master relay status
roomTimer[3] = millis();                                                                 //setting the timer
}
else if(switchState[6] == 0 && lightStatus[3] == 1) {                     //the PIR not activated but the
                                                                                                     //the lights are on
Serial.println("We are checking the timer");                                     //debug only
currentTime = millis();                                                                    //setting time reference
endTime = currentTime - roomTimer[3];                                         //calculating the inactive time
if(endTime >= delayTime[3]) {                                                        //comparing inactive time with
                                                                                                      //delay time
Serial.println("Time is up we switch the lights off");                           //debug only
lightOutput[3] = 0;                                                                          //switching off the lights
lightStatus[3] = 0;                                                                           //resetting the light status
roomTimer[3] = 0;                                                                          //resetting the room timer
}
}
}
else if(switchState[7] == 1 && lightStatus[3] == 1) {                       //if priority is activated and the
                                                                                                       //lights are on
Serial.println("Priority switch activated, switching off the lights");        //debug only
lightOutput[3] = 0;                                                                           //switching off the lights
lightStatus[3] = 0;                                                                             //resetting the light status
roomTimer[3] = 0;                                                                            //resetting the room timer
priorityStatus[3] = 1;                                                                        //setting the priority status for
                                                                                                       //living
}
else if(switchState[7] == 1 && lightStatus[3] == 0) {                       //if priority is activated and the
                                                                                                       //lights are off
Serial.println("Priority switch off, switching the light back to normal");      //debug only
lightOutput[3] = 8;                                                                          //switching on the lights
lightStatus[3] = 1;                                                                           //setting the light status
roomTimer[3] = millis();                                                                  //setting the room timer
priorityStatus[3] = 0;                                                                      //resetting the priority status
}
if(switchState[8] == 1 && lightStatus[16] == 1) {                           //checking if PIR in Room 5 was
                                                                                                      //activated (bath 1)
lightStatus[16] = 0;                                                                         //resetting master off
digitalWrite(doorMonitor, LOW);                                                    //resetting the door Monitor LED
}
if(switchState[8] == 1) {                                                                  //checking S9 PIR of bathroom 1
                                                                                                       //(room 5)
Serial.println("We switch on the lights");                                            //Debug only
lightOutput[4] = 16;                                                                         //switching on the lights
lightStatus[4] = 1;                                                                            //setting the light status
lightOutput[14] = 16384;                                                                 //make sure the master relay
                                                                                                       //stays on
lightStatus[14] = 1;                                                                          //setting the master relay status
roomTimer[4] = millis();                                                                   //setting the room timer
}
else if(switchState[8] == 0 && lightStatus[4] == 1) {                       //if no PIR was activated and
                                                                                                       //the lights are on
Serial.println("We are checking the timer");                                       //Debug only
currentTime = millis();                                                                      //setting time reference
endTime = currentTime - roomTimer[4];                                          //calculating the inactive time
if(endTime >= delayTime[4]) {                                                        //comparing inactive time with
                                                                                                      //delay time
Serial.println("We are switching off the lights");                                //debug only
lightOutput[4] = 0;                                                                          //switching off the lights
lightStatus[4] = 0;                                                                           //resetting the light status
roomTimer[4] = 0;                                                                          //resetting the room timer
}
}
if(switchState[9] == 1 && lightStatus[16] == 1) {                           //checking if PIR in Room 6 was
                                                                                                       //activated (bath 2)
lightStatus[16] = 0;                                                                          //resetting master off
digitalWrite(doorMonitor, LOW);                                                    //resetting the door Monitor LED
}
if(switchState[9] == 1) {                                                                  //checking S10 PIR of bathroom 2
                                                                                                       //(room 6)
Serial.println("We switch on the lights");                                            //Debug only
lightOutput[5] = 32;                                                                         //switching on the lights
lightStatus[5] = 1;                                                                            //setting the light status
lightOutput[14] = 16384;                                                                 //make sure the master relay
                                                                                                       //stays on
lightStatus[14] = 1;                                                                          //setting the master relay status
roomTimer[5] = millis();                                                                   //setting the room timer
}
else if(switchState[9] == 0 && lightStatus[5] == 1) {                       //if no PIR was activated and
                                                                                                       //the lights are on
Serial.println("We are checking the timer");                                       //Debug only
currentTime = millis();                                                                      //setting time reference
endTime = currentTime - roomTimer[5];                                          //calculating the inactive time
if(endTime >= delayTime[5]) {                                                        //comparing inactive time with
                                                                                                      //delay time
Serial.println("We are switching off the lights");                                 //debug only
lightOutput[5] = 0;                                                                          //switching off the lights
lightStatus[5] = 0;                                                                           //resetting the light status
roomTimer[5] = 0;                                                                          //resetting the room timer
}
}
if(switchState[10] == 1 && lightStatus[16] == 1) {                        //checking if PIR in Room 7 was
                                                                                                     //activated (bath 3)
lightStatus[16] = 0;                                                                        //resetting master off
digitalWrite(doorMonitor, LOW);                                                  //resetting the door Monitor LED
}
if(switchState[10] == 1) {                                                              //checking S11 PIR of bathroom 3
                                                                                                     //(room 7)
Serial.println("We switch on the lights");                                          //Debug only
lightOutput[6] = 64;                                                                       //switching on the lights
lightStatus[6] = 1;                                                                          //setting the light status
lightOutput[14] = 16384;                                                               //make sure the master relay
                                                                                                    //stays on
lightStatus[14] = 1;                                                                       //setting the master relay status
roomTimer[6] = millis();                                                                //setting the room timer
}
else if(switchState[10] == 0 && lightStatus[6] == 1) {                 //if no PIR was activated and
                                                                                                   //the lights are on
Serial.println("We are checking the timer");                                   //Debug only
currentTime = millis();                                                                  //setting time reference
endTime = currentTime - roomTimer[6];                                      //calculating the inactive time
if(endTime >= delayTime[6]) {                                                    //comparing inactive time with
                                                                                                  //delay time
Serial.println("We are switching off the lights");                            //debug only
lightOutput[6] = 0;                                                                     //switching off the lights
lightStatus[6] = 0;                                                                      //resetting the light status
roomTimer[6] = 0;                                                                    //resetting the room timer
}
}

if(switchState[11] == 1 && lightStatus[16] == 1) {                     //checking if PIR in bath 4 was
                                                                                                  //activated (room 8)
lightStatus[16] = 0;                                                                     //resetting master off
digitalWrite(doorMonitor, LOW);                                               //resetting the door Monitor LED
}
if(switchState[11] == 1) {                                                           //checking S12 PIR of bathroom 4
                                                                                                  //(room 8)
Serial.println("We switch on the lights");                                      //Debug only
lightOutput[7] = 128;                                                                 //switching on the lights
lightStatus[7] = 1;                                                                       //setting the light status
lightOutput[14] = 16384;                                                            //make sure the master relay
                                                                                                  //stays on
lightStatus[14] = 1;                                                                     //setting the master relay status
roomTimer[7] = millis();                                                              //setting the room timer
}
else if(switchState[11] == 0 && lightStatus[7] == 1) {                //if no PIR was activated and
                                                                                                  //the lights are on
Serial.println("We are checking the timer");                                  //Debug only
currentTime = millis();                                                                 //setting time reference
endTime = currentTime - roomTimer[7];                                     //calculating the inactive time
if(endTime >= delayTime[7]) {                                                   //comparing inactive time with
                                                                                                 //delay time
Serial.println("We are switching off the lights");                            //debug only
lightOutput[7] = 0;                                                                     //switching off the lights
lightStatus[7] = 0;                                                                      //resetting the light status
roomTimer[7] = 0;                                                                    //resetting the room timer
}
}

if(switchState[12] == 1 && lightStatus[16] == 1) {                    //checking if PIR in kitchen was
                                                                                                 //activated (room 9)
lightStatus[16] = 0;                                                                    //resetting master off
digitalWrite(doorMonitor, LOW);                                              //resetting the door Monitor LED
}
if(switchState[12] == 1) {                                                          //checking S13 PIR of kitchen
                                                                                                 //(room 9)
Serial.println("We switch on the lights");                                      //Debug only
lightOutput[8] = 256;                                                                 //switching on the lights
lightStatus[8] = 1;                                                                      //setting the light status
lightOutput[14] = 16384;                                                          //make sure the master relay
                                                                                                //stays on
lightStatus[14] = 1;                                                                    //setting the master relay status
roomTimer[8] = millis();                                                             //setting the room timer
}
else if(switchState[12] == 0 && lightStatus[8] == 1) {               //if no PIR was activated and
                                                                                                //the lights are on
Serial.println("We are checking the timer");                                //Debug only
currentTime = millis();                                                               //setting time reference
endTime = currentTime - roomTimer[8];                                   //calculating the inactive time
if(endTime >= delayTime[8]) {                                                 //comparing inactive time with
                                                                                               //delay time
Serial.println("We are switching off the lights");                          //debug only
lightOutput[8] = 0;                                                                   //switching off the lights
lightStatus[8] = 0;                                                                    //resetting the light status
roomTimer[8] = 0;                                                                   //resetting the room timer
}
}
if(switchState[13] == 1 && lightStatus[16] == 1) {                  //checking if PIR in corridor was
                                                                                               //activated (room 10)
lightStatus[16] = 0;                                                                  //resetting master off
digitalWrite(doorMonitor, LOW);                                            //resetting the door Monitor LED
}
if(switchState[13] == 1) {                                                        //checking S14 PIR of Corridor
                                                                                               //(room 10)
Serial.println("We switch on the lights");                                    //Debug only
lightOutput[9] = 512;                                                               //switching on the lights
lightStatus[9] = 1;                                                                    //setting the light status
lightOutput[14] = 16384;                                                         //make sure the master relay
                                                                                               //stays on
lightStatus[14] = 1;                                                                  //setting the master relay status
roomTimer[9] = millis();                                                           //setting the room timer
}
else if(switchState[13] == 0 && lightStatus[9] == 1) {            //if no PIR was activated and
//the lights are on
Serial.println("We are checking the timer");                               //Debug only
currentTime = millis();                                                              //setting time reference
endTime = currentTime - roomTimer[9];                                  //calculating the inactive time
if(endTime >= delayTime[9]) {                                                //comparing inactive time with
                                                                                              //delay time
Serial.println("We are switching off the lights");                        //debug only
lightOutput[9] = 0;                                                                 //switching off the lights
lightStatus[9] = 0;                                                                  //resetting the light status
roomTimer[9] = 0;                                                                 //resetting the room timer
}
}

if(switchState[14] == 1 && lightStatus[14] == 1){                 //Checking if readswitches are activated
                                                                                              //and the master relay is on AC room 1  
                                                                                              //(bed1)
lightOutput[10] = 1024;                                                          //providing the ability to
                                                                                               //switch on the AC
lightStatus[10] = 1;                                                                  //setting the light (AC) status
roomTimer[10] = millis();                                                         //setting the timer
}
else if(switchState[14] == 0 && lightStatus[14] == 1){            //if a door is opened and the master
                                                                                                //relay is on
currentTime = millis();                                                               //setting time reference
endTime = currentTime - roomTimer[10];                                  //calculating the inactive time
if(endTime >= delayTime[10]){                                                 //comparing inactive time with
                                                                                                //delay time
lightOutput[10] = 0;                                                                  //cancelling ability to switch on the
                                                                                                //AC
lightStatus[10] = 0;                                                                   //resetting the light (AC) status
roomTimer[10] = 0;                                                                 //resetting the timer
}
}
if(switchState[15] == 1 && lightStatus[14] == 1){                   //Checking if readswitches are activated
                                                                                                //and the master relay is on AC room 2 
                                                                                                //(bed2)
lightOutput[11] = 2048;                                                            //providing the ability to
                                                                                                //switch on the AC
lightStatus[11] = 1;                                                                   //setting the light (AC) status
roomTimer[11] = millis();                                                          //setting the timer
}
else if(switchState[15] == 0 && lightStatus[14] == 1){             //if a door is opened and the master
                                                                                                //relay is on
currentTime = millis();                                                               //setting time reference
endTime = currentTime - roomTimer[11];                                  //calculating the inactive time
if(endTime >= delayTime[11]){                                                 //comparing inactive time with
                                                                                                //delay time
lightOutput[11] = 0;                                                                  //cancelling ability to switch on the
                                                                                                //AC
lightStatus[11] = 0;                                                                   //resetting the light (AC) status
roomTimer[11] = 0;                                                                  //resetting the timer
}
}

if(switchState[16] == 1 && lightStatus[14] == 1){                    //Checking if readswitches are activated and
                                                                                                 //the master relay is on AC room 3 (bed3)
lightOutput[12] = 4096;                                                             //providing the ability to
                                                                                                  //switch on the AC
lightStatus[12] = 1;                                                                     //setting the light (AC) status
roomTimer[12] = millis();                                                            //setting the timer
}
else if(switchState[16] == 0 && lightStatus[14] == 1){               //if a door is opened and the master
                                                                                                  //relay is on
currentTime = millis();                                                                  //setting time reference
endTime = currentTime - roomTimer[12];                                    //calculating the inactive time
if(endTime >= delayTime[12]){                                                   //comparing inactive time with
                                                                                                  //delay time
lightOutput[12] = 0;                                                                    //cancelling ability to switch on the
                                                                                                  //AC
lightStatus[12] = 0;                                                                     //resetting the light (AC) status
roomTimer[12] = 0;                                                                   //resetting the timer
}
}

if(switchState[17] == 1 && lightStatus[14] == 1){                       //Checking if readswitches are activated
                                                                                                   //and the master relay is on AC room 4
                                                                                                   // living
lightOutput[13] = 8192;                                                               //providing the ability to
                                                                                                   //switch on the AC
lightStatus[13] = 1;                                                                      //setting the light (AC) status
roomTimer[13] = millis();                                                             //setting the timer
}
else if(switchState[17] == 0 && lightStatus[14] == 1){                //if a door is opened and the master
                                                                                                    //relay is on
currentTime = millis();                                                                   //setting time reference
endTime = currentTime - roomTimer[13];                                     //calculating the inactive time
if(endTime >= delayTime[13]){                                                    //comparing inactive time with
                                                                                                   //delay time
lightOutput[13] = 0;                                                                     //cancelling ability to switch on the
                                                                                                   //AC
lightStatus[13] = 0;                                                                      //resetting the light (AC) status
roomTimer[13] = 0;                                                                    //resetting the timer
}
}
/////////////Door switch control ////////////////////
if(switchState[18] != masterSwitchStateOld) {                             //door switch check if the switch state
                                                                                                   //has changed
Serial.println("Door switch was activated");                                  //debug only
currentTime = millis();                                                                  //setting time reference
lightStatus[16] = 1;                                                                      //setting light status
digitalWrite(doorMonitor, HIGH);                                               //setting the control LED
for(int i=0; i<17; i++){                                                                //looping through the timers
roomTimer[i] = currentTime;                                                       //setting the timers
}
}
else if(switchState[18] == masterSwitchStateOld && lightStatus[16] == 1){           //if the switch state
                                                                                                 //has not changed and the lights are on
Serial.println("Checking off status");                                            //debug only
currentTime = millis();                                                                 //setting the time reference
offTime = roomTimer[16] + delayTime[14];                                //setting the allowed delay time
if(currentTime >= offTime) {                                                       //comparing the times
for(int c=0; c<17; c++) {                                                           //looping through the circuits
if(roomTimer[c] != roomTimer[16]) {                                         //comparing timers
mainOff = 1;                                                                              //setting the switch off all command
lightStatus[16] = 0;                                                                    //switching off the master relay
}
else {
mainOff = 0;                                                                               //if the timers match we set the
                                                                                                  //switch off all command to 0
break;                                                                                         //leaving the loop
}
}
}
if(mainOff == 0) {                                                                      //master off command is 0
Serial.println("switching off everything and reset all");                   //debug only
for(int i=0; i<17; i++) {                                                               //looping through the circuits
lightStatus[i] = 0;                                                                        //resetting all light status
lightOutput[i] = 0;                                                                      //switching off all lights
priorityStatus[i] = 0;                                                                  //resetting all set priorities
roomTimer[i] = 0;                                                                      //resetting all room timers
}
digitalWrite(doorMonitor, LOW);                                              //resetting the control LED
mainOff = 1;                                                                             //resetting master off command
}
}
masterSwitchStateOld = switchState[18];                                 //setting the switchState to old


//////////////////////////Output Stage//////////////////////////////////////////////////////////
for(int i=0; i<17; i++) {                                          //loop through the light output array
//Serial.print("Light Output ");                                 //debug only
//Serial.print(i);                                                       //debug only
//Serial.print(": ");                                                    //debug only
//Serial.println(lightOutput[i]);                                 //debug only
//Serial.print("Light status: ");                                  //debug only
//Serial.println(lightStatus[i]);                                  //debug only
//Serial.print("Room Timer: ");                                //debug only
//Serial.println(roomTimer[i]);                                 //debug only
outputL += lightOutput[i];                                      //adding up the numbers
}
if(maintenancePin == 1) {                            //if maintenance switch is active
for(int i=1; i>17; i++){                                 //loop through all circuits
lightStatus[i] = 1;                                          //setting the light status of everything
roomTimer[i] = millis();                                 //setting all the room timers
}
outputL = 32767;                                         //setting the output
                                                                   //binary 0111111111111111
}

//Serial.print("Output value: ");                                //debug only
//Serial.print(outputL);                                            //debug only
//Serial.print(" ");                                                    //debug only
//Serial.println(outputL, BIN);                                //debug only
digitalWrite(latchPinOut, LOW);                            //setting the latch pin to low to
                                                                             //be able to send the data
shiftOut(dataPinOut, clockPinOut, MSBFIRST, (outputL >> 8));   //sending the date for the
                                                                             //second shift register
shiftOut(dataPinOut, clockPinOut, MSBFIRST, outputL);             //sending the data for the
                                                                                                    //first shift register
digitalWrite(latchPinOut, HIGH);                                                  //setting the latch pin back to
                                                                                                    //high to finish the data transmission
outputL = 0;                                                                                 //setting the var holding the output
                                                                                                    //number back to 0
delay(sensitivity);                                                                          //delay to adjust how responsive the
                                                                                                    //system will react
}


///////////////////shiftIn function to get the input data////////////////////////////////////

byte shiftIn(int myDataPin, int myClockPin) {
//////////////////declaring some variables///////////////
int i;                                                                                  //counter
int temp = 0;                                                                    //var to hold the raw input data
int pinState;                                                                     //var holding the state of the pin
byte myDataIn = 0;                                                         //var holding the complete incoming data

/////////////////setting the pin modes///////////////////

pinMode(myClockPin, OUTPUT);
pinMode(myDataPin, INPUT);

///////////////////// loop through the single input pins////////////
for(i=7; i>0; i--) {
digitalWrite(myClockPin, LOW);                                    //setting the clock pin low to trigger the output
delayMicroseconds(2);                                                   //give it chance to send the data
temp = digitalRead(myDataPin);                                     //check if the pin was set (switch was pressed)
if(temp) {                                                                      //if the pin was set
pinState = 1;                                                                 //we set the pin state to 1 accordingly
myDataIn = myDataIn | (1 << i);                                    //setting the state in our binary output
}
else {
pinState = 0;                                                                 //if the pin was not set, the pin state stays 0
}
Serial.print("PinState: ");                                                //debug only
Serial.print(pinState);                                                    //debug only
Serial.print(" ");                                                             //debug only
Serial.println(myDataIn, BIN);                                       //debug only

digitalWrite(myClockPin, HIGH);                                  //setting the clock pin high
}
Serial.println(); //debug only
Serial.println(myDataIn, BIN);                                       //debug only

return myDataIn;                                                           //after looping through all the input pins returning the
                                                                                    //collected input data to the main program
}

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