Arduino Based Amazon Echo Using 1Sheeld

/*
 
OPTIONAL:
To reduce the library compiled size and limit its memory usage, you
can specify which shields you want to include in your sketch by
defining CUSTOM_SETTINGS and the shields respective INCLUDE_ define. 

*/

#define CUSTOM_SETTINGS
#define INCLUDE_INTERNET_SHIELD
#define INCLUDE_VOICE_RECOGNIZER_SHIELD
#define INCLUDE_TEXT_TO_SPEECH_SHIELD
#define INCLUDE_MUSIC_PLAYER_SHIELD
#define INCLUDE_CLOCK_SHIELD


/* Include 1Sheeld library. */
#include <OneSheeld.h>

/* create an initial value for the millis counter. */
unsigned long previousMillis = 0;
/* create an intial state for calling alexa. */
bool state = 0;

/* Call an api that will return the weather status in cairo,egypt. */
HttpRequest request1("http://api.openweathermap.org/data/2.5/weather?q=Cairo,EG&appid=43d95b4cf5d0573e2dfe5186c160017a");

/* define the 3 transistors on pins 3,5 and 6. */
#define strip1 3
#define strip2 6
#define strip3 5
/* define the lamp on pin 13. */
int lamp = 13;

/* define the variable that will hold the hours and miniuts . */
int hour, minute;

/* Create 2 charachter arrys to catch the string you want from the sentence. */
char b[4];
char c[4];

/* define variables to hold the hour and miniuts in string. */
String strh, strm ;
/* define variable  to hold the day status am or pm. */
String noon;

/* Voice commands set by the user. */

const char mainCommand[] = "alexa";

const char weatherCommand[] = "how is the weather today";

const char playCommand[] = "play music";

const char clockCommand[] = "what time is it";

const char stopCommand[] = "stop";

const char lightonCommand[] = "turn on the lights";

const char lightoffCommand[] = "turn off the lights";



void setup() {
  /* Start Communication. */
  OneSheeld.begin();
/* set the led strips and the lamp to output. */
  pinMode(strip1,OUTPUT);
    pinMode(strip2,OUTPUT);
      pinMode(strip3,OUTPUT);
            pinMode(lamp,OUTPUT);

      

 /* Subscribe to success callback for the request. */
 request1.setOnSuccess(&onSuccess1);
 /* Subscribe to json value replies. */
  request1.getResponse().setOnJsonResponse(&onJsonReply1);
/* on a voice recogniced call the function "myfunction". */
  VoiceRecognition.setOnNewCommand(&myFunction);
}

void loop ()
{
  /* make a delay for 5 seconds using millis counter to keep the voice detection alive. */
  unsigned long currentMillis = millis();

  if (currentMillis - previousMillis >= 5000) {

    previousMillis = currentMillis;

    /* get the current time in your phone. */
     Clock.queryDateAndTime();
     /* start voice recognition. */
    VoiceRecognition.start();
  }
/* save the smartphone hour and minutes in variables. */
  hour = Clock.getHours();
  minute = Clock.getMinutes();
  
/* detect the time status if it am or pm. */
  if (hour > 12)
  { hour -= 12;
    noon = "P M";
  }
  else {
    noon = "A M";
  }


/* save the hour and minutes as string. */
  strh = String(hour);
  strm = String(minute);

/* save the string in a charchter array. */
  strh.toCharArray(b, 4);
  strm.toCharArray(c, 4);
}

/* This function will be invoked each time a new command is given. */
void myFunction (char *commandSpoken)
{
/* check if any one call alexa or not. */
  if (!strcmp(mainCommand, VoiceRecognition.getLastCommand()))
  {
    alexon();  
    MusicPlayer.setVolume(5);
    /* if yes make the state =1 . */
    state = 1;
  }
  /* check if you asked to play music after calling alexa. */
  if (!strcmp(playCommand, VoiceRecognition.getLastCommand()) && state == 1)
  {

    alexoff();
    MusicPlayer.play();
    delay(10000);
    MusicPlayer.stop();
    state = 0;
    }
/* check if you asked to get the weather status after calling alexa. */
   else if(!strcmp(weatherCommand,VoiceRecognition.getLastCommand())&& state == 1)
    {

     alexoff();
    Internet.performGet(request1);
    /* Wait for 5 seconds. */
    OneSheeld.delay(5000);
     state = 0;
    }
/* check if you asked for the time after calling alexa. */
  if(!strcmp(clockCommand,VoiceRecognition.getLastCommand()) && state == 1)
     {

      alexoff();
       /* 1Sheeld responds using text-to-speech. */
       TextToSpeech.say("time in cairo is");
       delay(1300);
       TextToSpeech.say(b);
        delay(600);
        TextToSpeech.say(c);
         delay(800);
         TextToSpeech.say(noon);
         delay(500);
          state = 0;
     }
/* check if you asked to turn the lamp on after calling alexa. */
  if (!strcmp(lightonCommand, VoiceRecognition.getLastCommand()) && state == 1)
  {
    alexoff();
    digitalWrite(lamp,HIGH);
    TextToSpeech.say("the lights turned on");
    delay(6000);
    state = 0;
  }
/* check if you asked to turn the lamp off after calling alexa. */
  else if (!strcmp(lightoffCommand, VoiceRecognition.getLastCommand()) && state == 1)
  {
    alexoff();
    digitalWrite(lamp,LOW);
    TextToSpeech.say("the lights turned off");
    delay(3000);
    state = 0;
  }
}

void onSuccess1(HttpResponse & response1)
{
  /* Using the response to query the Json chain till the required value. */
  /* i.e. Get the value of 'main' in the first object of the array 'weather' in the response. */
  /* Providing that the response is in JSON format. */
       response1["weather"][0]["main"].query();
delay(200);    
}

void onJsonReply1(JsonKeyChain & hell,char * output)
{
  if(hell == request1.getResponse()["weather"][0]["main"])
  {
   TextToSpeech.say("the weather today in cairo is");
  delay(2000);
  /* 1Sheeld responds using text-to-speech shield. */
  TextToSpeech.say(output);
    } 
}

void alexon(){
  /* Turn on the strips in order like the same oder of amazon echo. */
  digitalWrite(strip1,HIGH);
     delay(200);
      digitalWrite(strip2,HIGH);
       delay(200);
        digitalWrite(strip3,HIGH);
  }

 

  void alexoff(){

    /* Turn off the strips. */
    digitalWrite(strip1,LOW);
      digitalWrite(strip2,LOW);
        digitalWrite(strip3,LOW);
    }