Arduino Rotary Phone dial Code

Arduino Rotary Phone dial Code

/*   

       ****** Rotary Phone dial Code *****

             Created 9 August 2012

             By Andrew D. Farquharson

             **output numbers dont match code as I am using a                     **

             **New Zealand Rotary Phone where the numbers are layed out differently**

      Rotary Phone Code From: http://www.instructables.com/id/Interface-a-rotary-phone-dial-to-an-Arduino/?ALLSTEPS

*/

int needToPrint = 0;

int count;

int in = 2;

int hanger = 3;

int lastState = LOW;

int trueState = LOW;

long lastStateChangeTime = 0;

int cleared = 0;

int number;

int onhook = 0;

// constants

int dialHasFinishedRotatingAfterMs = 100;

int debounceDelay = 10;

void setup()

{

Serial.begin(9600);

pinMode(hanger, INPUT);

pinMode(in, INPUT);

pinMode(A1, OUTPUT);

pinMode(A2, OUTPUT);

pinMode(4, OUTPUT);

pinMode(5, OUTPUT);

pinMode(6, OUTPUT);

pinMode(7, OUTPUT);

pinMode(8, OUTPUT);

pinMode(9, OUTPUT);

pinMode(10, OUTPUT);

pinMode(11, OUTPUT);

pinMode(12, OUTPUT);

pinMode(13, OUTPUT);

pinMode(A0, OUTPUT);

pinMode(A5, OUTPUT);

}

void loop()

{

int reading = digitalRead(in);

if ((millis() - lastStateChangeTime) > dialHasFinishedRotatingAfterMs) {

// the dial isn't being dialed, or has just finished being dialed.

if (needToPrint) {

// if it's only just finished being dialed, we need to send the number down the serial

// line and reset the count. We mod the count by 10 because '0' will send 10 pulses.

number = (count);

Serial.println(number);

if(number == 1){

  Serial.println("press 9");

        digitalWrite(8, HIGH);

  delay(200);

  digitalWrite(8, LOW);

}

if(number == 2){

  Serial.println("press 8");

      digitalWrite(7, HIGH);

  delay(200);

  digitalWrite(7, LOW);

}

if(number == 3){

  Serial.println("press 7");

          digitalWrite(6, HIGH);

  delay(200);

  digitalWrite(6, LOW);

}

if(number == 4){

  Serial.println("press 6");

        digitalWrite(11, HIGH);

  delay(200);

  digitalWrite(11, LOW);

}

if(number == 5){

  Serial.println("press 5");

        digitalWrite(10, HIGH);

  delay(200);

  digitalWrite(10, LOW);

}

if(number == 6){

  Serial.println("pres 4");

            digitalWrite(9, HIGH);

  delay(200);

  digitalWrite(9, LOW);

}

if(number == 7){

  Serial.println("press 3");

    digitalWrite(12, HIGH);

  delay(200);

  digitalWrite(12, LOW);

}

if(number == 8){

  Serial.println("press 2");

        digitalWrite(13, HIGH);

  delay(200);

  digitalWrite(13, LOW);

}

if(number == 9){

  Serial.println("press 1");

      digitalWrite(A0, HIGH);

  delay(200);

  digitalWrite(A0, LOW);

}

if(number == 10){

  Serial.println("press 0");

            digitalWrite(5, HIGH);

  delay(200);

  digitalWrite(5, LOW);

}

needToPrint = 0;

count = 0;

cleared = 0;

}

} 

if (reading != lastState) {

lastStateChangeTime = millis();

}

if ((millis() - lastStateChangeTime) > debounceDelay) {

// debounce - this happens once it's stablized

if (reading != trueState) {

// this means that the switch has either just gone from closed->open or vice versa.

trueState = reading;

if (trueState == HIGH) {

// increment the count of pulses if it's gone high.

count++; 

needToPrint = 1; // we'll need to print this number (once the dial has finished rotating)

} 

}

}

lastState = reading;

// **This bit hangs up wor answers only when hand set is picked up or put down**

if(onhook == 0 && digitalRead(hanger) == 0){

  onhook += 1;

  Serial.println(" on hook ");

            digitalWrite(A1, HIGH);

  delay(200);

  digitalWrite(A1, LOW);

  delay(1000);

}

if(onhook == 1 && digitalRead(hanger) == 1){

  onhook = 0;

    Serial.println(" off hook ");

            digitalWrite(A5, HIGH);

  delay(200);

  digitalWrite(A5, LOW);

      delay(1000);

}

//** end of hand send bit**

}