/*-----( Import needed libraries )-----*/
#include <SPI.h>
//#include <nRF24L01.h>
//#include <RF24.h>
#include "nRF24L01.h"
#include "RF24.h"
#include "printf.h"

/*-----( Declare Constants and Pin Numbers )-----*/
#define CE_PIN   2
#define CSN_PIN  0

#define red 5
#define green 10
#define blue 9

#define white 6 // arduino shield

#define DEBUG  1
#define TEST   1


// NOTE: the "LL" at the end of the constant is "LongLong" type
const uint64_t pipe = 0xE8E8F0F0E1LL; // Define the transmit pipe


/*-----( Declare objects )-----*/
RF24 radio(CE_PIN, CSN_PIN); // Create a Radio
/*-----( Declare Variables )-----*/
uint8_t rgb[4];  // 2 element array holding Joystick readings



float average(int anaPin) {
  int lecturas = 100;
  long total = 0;
  float average = 0;
  for(int i=0; i<lecturas; i++)
  {
    //delay(1);
    total = total + analogRead(anaPin);
  }
  average = (float)total / lecturas;  
  return(average);
}



void setup()   /****** SETUP: RUNS ONCE ******/
{

  if(DEBUG)
    Serial.begin(57600);

  analogWrite(red, 0);
  analogWrite(green, 0);
  analogWrite(blue, 0);

  delay(1000);

  if(DEBUG)
    Serial.println("Nrf24L01 Receiver Starting");

  radio.begin();
  printf_begin();
  radio.setAutoAck(0);
  radio.setPayloadSize(4);
  radio.openReadingPipe(1,pipe);
  radio.startListening();
  radio.printDetails();

  delay(2000);


}//--(end setup )---


void loop()   /****** LOOP: RUNS CONSTANTLY ******/
{

  if(TEST)
  {
    float sensorValueDefault = average(A7);
    analogReference(INTERNAL);
    delay(10);
    float sensorValueInternal = average(A7);
    analogReference(DEFAULT);
    delay(10);

    for (int i=0; i<256; i++) {
      analogWrite(red, i); 
      delay(10);
    }
    for (int i=254; i>=0; i--) {
      analogWrite(red, i); 
      delay(10);
    }
    for (int i=0; i<256; i++) {
      analogWrite(green, i); 
      delay(10);
    }
    for (int i=254; i>=0; i--) {
      analogWrite(green, i); 
      delay(10);
    }
    for (int i=0; i<256; i++) {
      analogWrite(blue, i); 
      delay(10);
    }
    for (int i=254; i>=0; i--) {
      analogWrite(blue, i); 
      delay(10);
    }
    // print out the value you read:

    float Vcc = (sensorValueInternal/sensorValueDefault)*2560;
    Serial.print("Vcc: ");
    Serial.print(Vcc);
    Serial.print(" Internal: ");
    Serial.print(sensorValueInternal*2*(2560/1023.));
    Serial.print(" Default: ");
    Serial.println(sensorValueDefault*2*(3300/1023.));
    delay(1);        // delay in between reads for stability
  }
  else
  {
    if ( radio.available() )
    {
      if(DEBUG)
        Serial.println("radio available");
      // Read the data payload until we've received everything
      bool done = false;
      while (!done)
      {
        // Fetch the data payload
        done = radio.read( rgb, sizeof(rgb) );
        //analogWrite(6, rgb[1]); //arduino shield
        analogWrite(red, rgb[1]);
        analogWrite(green, 0);
        analogWrite(blue, 0);

        if(DEBUG)
        {
          Serial.print("id = ");
          Serial.print(rgb[0]);
          Serial.print("\t");      
          Serial.print(rgb[1]);
          Serial.print("\t");      
          Serial.print(rgb[2]);
          Serial.print("\t");      
          Serial.println(rgb[3]);
        }

      }
    }
  }
  //else
  //{    
  //Serial.println("No radio available");
  //}

}//--(end main loop )---

/*-----( Declare User-written Functions )-----*/

//NONE
//*********( THE END )***********