Xmas.ino

/ This #include statement was automatically added by the Spark IDE.
#include "LedControl-MAX7219-MAX7221/LedControl-MAX7219-MAX7221.h"

// This #include statement was automatically added by the Spark IDE.
#include "HttpClient/HttpClient.h"

#define VARIABLE_ID "5488b2d576254265c948eb7a" //Change here your variable ID and token
#define TOKEN "pSZJt9W7v5W3fpUsRYNKiDMgJ770NK"


int open=0;
LedControl *led;// LedControl object
HttpClient http;
uint8_t data = A0;
uint8_t load = A1;
uint8_t myclock = A2;

int noteFreqArr[] = {
49.4, 52.3, 55.4, 58.7, 62.2, 65.9, 69.9, 74, 78.4, 83.1, 88, 93.2,
98.8, 105, 111, 117, 124, 132, 140, 148, 157, 166, 176, 186,
198, 209, 222, 235, 249, 264, 279, 296, 314, 332, 352, 373,
395, 419, 444, 470, 498, 527, 559, 592, 627, 665, 704, 746,
790, 837, 887, 940, 996, 1050, 1110, 1180, 1250, 1320, 1400, 1490,
1580, 1670, 1770, 1870, 1990, 2100,2210, 2340, 2480,2630,2790 };

http_header_t headers[] = {
      { "Content-Type", "application/json" },
      { "X-Auth-Token" , TOKEN },
    { NULL, NULL } // NOTE: Always terminate headers will NULL
};

http_request_t request;
http_response_t response;


void setup() {
    pinMode(D0, INPUT);
    request.hostname = "things.ubidots.com";
    request.port = 80;
    request.path = "/api/v1.6/variables/"VARIABLE_ID"/values";
    pinMode(D4, OUTPUT);
    Serial.begin(9600);
    led = new LedControl(data,myclock,load,1); //DIN,CLK,CS,HowManyDisplays
    led-> shutdown(0,false); //Turn it on
    led-> setIntensity(0,7);//Set Led's Intensity, max value=15
}

void loop() {
     open=digitalRead(D0);
     //Serial.print("open: ");
     //Serial.println(open);
     if (open==0){
        init();
        open=1;
     }
    else{
        open=0;
    } 
    request.body = "{\"value\":" + String(open) + "}"; //Sending 1 if the box is open to Ubidots
    http.post(request, response, headers);
}

// The next 2 functions were written by Rob Faludi and Christopher Stevens.

void playNote(int noteInt, long length) //first parameter is the index of the frequency vector and the second is the duration of the note in ms
{
    long breath = 20;
  length = length - breath;
  buzz(4, noteFreqArr[noteInt], length);
  if(breath > 0) { //take a short pause or 'breath' if specified
    delay(breath);
  }
  
}

void buzz(int targetPin, long frequency, long length) 
{
  long delayValue = 1000000/frequency/2; // calculate the delay value between transitions
  //// 1 second's worth of microseconds, divided by the frequency, then split in half since
  //// there are two phases to each cycle
  long numCycles = frequency * length/ 1000; // calculate the number of cycles for proper timing
  //// multiply frequency, which is really cycles per second, by the number of seconds to
  //// get the total number of cycles to produce
  for (long i=0; i < numCycles; i++){ // for the calculated length of time...
    digitalWrite(D4,HIGH); // write the buzzer pin high to push out the diaphram
    delayMicroseconds(delayValue); // wait for the calculated delay value
    digitalWrite(D4,LOW); // write the buzzer pin low to pull back the diaphram
    delayMicroseconds(delayValue); // wait againf or the calculated delay value
  }
}

void putByte(byte data_1) 
{
  byte i = 8;
  byte mask;
  while(i > 0)
  {
    mask = 0x01 << (i - 1); // get bitmask

    digitalWrite(myclock, LOW); // tick

    if (data_1 & mask) // choose bit
    {
    digitalWrite(data, HIGH);// send 1
    }
    else
    {
    digitalWrite(data, LOW); // send 0
    }
    digitalWrite(myclock, HIGH); // tock
    --i; // move to lesser bit
  }
}

void selectColor(int cmd) 
{
  byte reg = 0x0c;  //max7219_reg_shutdown
  byte col = 0x01;  //shutdown false
  byte col2 = 0x00;  //shutdown true
  int c = 0;
  digitalWrite(load, LOW);
if (cmd == 0)//Off
{
  for ( c =1; c<= 4; c++) {
    putByte(reg);// specify register
    putByte(col2);//((data & 0x01) * 256) + data >> 1); // put data

    putByte(reg);// specify register
    putByte(col2);//((data & 0x01) * 256) + data >> 1); // put data
  }
}
else if (cmd == 2)//Green
{
     led-> setIntensity(0,14);

  for ( c =1; c<= 4; c++) {
    putByte(reg);// specify register
    putByte(col);//((data & 0x01) * 256) + data >> 1); // put data

    putByte(reg);// specify register
    putByte(col2);//((data & 0x01) * 256) + data >> 1); // put data
  }
}
else if (cmd == 3)//Red
{
   
    led-> setIntensity(0,3);
  for ( c =1; c<= 4; c++) 
  {
    putByte(reg);// specify register
    putByte(col2);//((data & 0x01) * 256) + data >> 1); // put data

    putByte(reg);// specify register
    putByte(col);//((data & 0x01) * 256) + data >> 1); // put data
  }
}
  digitalWrite(load, LOW);
  digitalWrite(load,HIGH);
}

void matrix(int color){
     selectColor(color);
         for(int i=0; i<8; i++){
        led->setColumn(0,i,0xFF);
     }
}
//A little bit of the song 12 days of christmas
void init(void){
    matrix(2);
    playNote(44,291);
    playNote(44,291);
    playNote(44,582);
     matrix(3);
    playNote(49,291);
    playNote(49,291);
    playNote(49,582);
    playNote(48,291);
    playNote(49,291);
     matrix(2);
    playNote(51,291);
    playNote(53,291);
    playNote(54,291);
    playNote(51,291);
     matrix(3);
    playNote(53,582);
    delay(291);
    playNote(54,291);
    playNote(56,582);
    playNote(58,291);
    playNote(54,291);
     matrix(2);
    playNote(53,291);
    playNote(49,291);
    playNote(51,582);
     matrix(3);
    playNote(49,1164);
     matrix(2);
     //More Notes if you want a larger song
   // playNote(56,291);
    //playNote(56,291);
    //playNote(56,582);
    //playNote(61,291);
     //matrix(3);
    //playNote(61,291);
    //playNote(61,582);
    //playNote(60,291);
    //playNote(61,291);
     //matrix(2);
    //playNote(63,291);
    //playNote(65,291);
    //playNote(66,291);
    //playNote(63,291);
     //matrix(3);
    //playNote(65,1164);
     //matrix(2);
    //playNote(68,582);
    //playNote(51,291);
    //playNote(53,291);
    //playNote(54,582);
    // matrix(3);
    //playNote(65,291);
    //playNote(66,291);
    //playNote(68,582);
    //playNote(71,291);
     //matrix(2);
    //playNote(66,291);
    //playNote(65,291);
    //playNote(61,291);
    //playNote(63,582);
    // matrix(3);
    //playNote(61,1445);
     matrix(2);
    playNote(48,291);
    playNote(48,291);
    playNote(48,582);
     matrix(3);
    playNote(53,291);
    playNote(53,291);
    playNote(53,582);
    matrix(0);
}