#define CAYENNE_PRINT Serial  // Comment this out to disable prints and save space
#include <CayenneEthernet.h>
#include <Wire.h>
#include "Adafruit_MCP23008.h"

Adafruit_MCP23008 mcp;

// Cayenne authentication token. This should be obtained from the Cayenne Dashboard.
char token[] = "token";

int ledA=LOW;
int ledB=LOW;
int ledC=LOW;
int ledD=LOW;

void setup()
{
  Serial.begin(9600);
  Cayenne.begin(token);
  mcp.begin(); 
  mcp.pinMode(0, INPUT);  //Button "A"
  mcp.pinMode(1, INPUT);  //Button "B" 
  mcp.pinMode(2, INPUT);  //Button "C"
  mcp.pinMode(3, INPUT);  //Button "D"
  mcp.pinMode(4, OUTPUT); //LED "A"
  mcp.pinMode(5, OUTPUT); //LED "B"
  mcp.pinMode(6, OUTPUT); //LED "C"
  mcp.pinMode(7, OUTPUT); //LED "D"
}

void loop()
{
  Cayenne.run();
  
  //LED and Button "A"
  if(mcp.digitalRead(0)==HIGH && ledA==LOW)
  {
    mcp.digitalWrite(4, HIGH);
    ledA=HIGH;
    Cayenne.virtualWrite(V0,HIGH);
    while(mcp.digitalRead(0)==HIGH)
    {
      delay(10);
    }
  }
  
  if(mcp.digitalRead(0)==HIGH && ledA==HIGH)
  {
    mcp.digitalWrite(4, LOW);
    ledA=LOW;
    Cayenne.virtualWrite(V0,LOW);
    while(mcp.digitalRead(0)==HIGH)
    {
      delay(10);
    }
  }
  
  //LED and Button "B"
  if(mcp.digitalRead(1)==HIGH && ledB==LOW)
  {
    mcp.digitalWrite(5, HIGH);
    ledB=HIGH;
    Cayenne.virtualWrite(V1,HIGH);
    while(mcp.digitalRead(1)==HIGH)
    {
      delay(10);
    }
  }
  
  if(mcp.digitalRead(1)==HIGH && ledB==HIGH)
  {
    mcp.digitalWrite(5, LOW);
    ledB=LOW;
    Cayenne.virtualWrite(V1,LOW);
    while(mcp.digitalRead(1)==HIGH)
    {
      delay(10);
    }
  }
  
  //LED and Button "C"
  if(mcp.digitalRead(2)==HIGH && ledC==LOW)
  {
    mcp.digitalWrite(6, HIGH);
    ledC=HIGH;
    Cayenne.virtualWrite(V2,HIGH);
    while(mcp.digitalRead(2)==HIGH)
    {
      delay(10);
    }
  }
 
  if(mcp.digitalRead(2)==HIGH && ledC==HIGH)
  {
    mcp.digitalWrite(6, LOW);
    ledC=LOW;
    Cayenne.virtualWrite(V2,LOW);
    while(mcp.digitalRead(2)==HIGH)
    {
      delay(10);
    }
  }
  
  //LED and Button "D"
  if(mcp.digitalRead(3)==HIGH && ledD==LOW)
  {
    mcp.digitalWrite(7, HIGH);
    ledD=HIGH;
    Cayenne.virtualWrite(V3,HIGH);
    while(mcp.digitalRead(3)==HIGH)
    {
      delay(10);
    }
  }
 
  if(mcp.digitalRead(3)==HIGH && ledD==HIGH)
  {
    mcp.digitalWrite(7, LOW);
    ledD=LOW;
    Cayenne.virtualWrite(V3,LOW);
    while(mcp.digitalRead(3)==HIGH)
    {
      delay(10);
    }
  }
 
  
}



CAYENNE_IN(V0){
  if (getValue.asInt() == HIGH)
  {
    mcp.digitalWrite(4, HIGH);
    ledA=HIGH;
  }
  else{
    mcp.digitalWrite(4, LOW);
    ledA=LOW;
  }
}

CAYENNE_IN(V1){
  if (getValue.asInt() == HIGH)
  {
    mcp.digitalWrite(5, HIGH);
    ledB=HIGH;
  }
  else{
    mcp.digitalWrite(5, LOW);
    ledB=LOW;
  }
}

CAYENNE_IN(V2){
  if (getValue.asInt() == HIGH)
  {
    mcp.digitalWrite(6, HIGH);
    ledC=HIGH;
  }
  else{
    mcp.digitalWrite(6, LOW);
    ledC=LOW;
  }
}

CAYENNE_IN(V3){
  if (getValue.asInt() == HIGH)
  {
    mcp.digitalWrite(7, HIGH);
    ledD=HIGH;
  }
  else{
    mcp.digitalWrite(7, LOW);
    ledD=LOW;
  }
}