IDeATe

Outcome

I have created a project to play the song ‘Two Tigers'.

Show Advanced Options

long lastPublishedAt = 0;
int publishAfter = 10000;


int speakerPin = D3;
int buttonPin = D2;
int val;

int handled = 0;

int C = 262;
int D = 294;
int E = 330;
int F = 349;
int G = 392;
int A = 440;
int B = 494;
int highC = 540;

int melody[] = {C, D, E, C, C, D, E, C, E, F, G, E, F, G};
int noteDurations[] = {2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1}; //  4 = 1/4 note, 8 = 1/8 note, etc.
int numNotes = arraySize(melody);

void setup() {
    pinMode(buttonPin, INPUT_PULLUP); 
    Particle.subscribe("diotCZ", handleSharedEvent);
    //Particle.variable("Handled", handled);
    
}

void loop() {
    
    val = digitalRead(buttonPin);
    
    if (val == LOW){ // doorbell is pushed
        publishEvent();
        // playHappyBirthday();
        delay(2500);
    }
    
    delay(100);
}

void publishEvent() {
    if(lastPublishedAt + publishAfter < millis() ){
        String eventName = "diotJenny";
        Particle.publish(eventName, "data");
        
        lastPublishedAt = millis();
    }
}

void handleSharedEvent(const char *event, const char *data){
    String eventName = String(event);
    String deviceID = System.deviceID();
    handled = 1;
    if (eventName.indexOf("diotJenny") != -1) { // i.e. it's a self-published event
        return;        
    } else{
        playHappyBirthday();
    }
    
}

void playHappyBirthday(){
    for(int i = 0; i < 14; i ++){
        int noteDuration = 1000/noteDurations[i];
        tone(speakerPin, melody[i], noteDuration);

    // to distinguish the notes, set a minimum time between them.
    // the note's duration + 30% seems to work well:
        int pauseBetweenNotes = noteDuration * 1.10;
        delay(pauseBetweenNotes);
    // stop the tone playing:
        noTone(speakerPin);
        
    }
}

Show Advanced Options

Move up Delete Move down

32a3f1e9 0528 406f 9b5e b86d0a2d320f.thumb

Show Advanced Options

You can upload files of up to 20MB using this form.

Add Rich Text Add Code Block Add Embeddable Content

Outcome

Attribution

Attribution

Attribution