joystickRX.ino

/* JoyStick module receiver code
By Nazmus
http://www.Easyprogramming.net
http://nazm.us
 - CONNECTIONS: nRF24L01 Modules See:
 http://arduino-info.wikispaces.com/Nrf24L01-2.4GHz-HowTo
   1 - GND
   2 - VCC 3.3V !!! NOT 5V
   3 - CE to Arduino pin 6
   4 - CSN to Arduino pin 7
   5 - SCK to Arduino pin 13
   6 - MOSI to Arduino pin 11
   7 - MISO to Arduino pin 12
   8 - UNUSED
   
   Above connections created by shield
   On Motor Shield connect Servos to servo connections 1 & 2
 */

/*-----( Import needed libraries )-----*/
#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>
#include <Servo.h>
/*-----( Declare Constants and Pin Numbers )-----*/
#define CE_PIN 6
#define CSN_PIN 7
  
// NOTE: the "LL" at the end of the constant is "LongLong" type
const uint64_t pipe = 0xE8E8F0F0E1LL; // Define the transmit pipe
const int servo1 = 9; // first servo
const int servo2 = 10; // second servo
int servoVal; // variable to read the value from the analog pin

Servo myservo1; // create servo1
Servo myservo2; // create servo2
/*-----( Declare objects )-----*/
RF24 radio(CE_PIN, CSN_PIN); // Create a Radio
/*-----( Declare Variables )-----*/
int joystick[6];  // 6 element array holding Joystick readings

void setup()   /****** SETUP: RUNS ONCE ******/
{
  Serial.begin(9600);
  delay(1000);
  myservo1.attach(servo1); // attaches the servo1 
  myservo2.attach(servo2); // attaches the servo2
  Serial.println("Nrf24L01 Receiver Starting");
  radio.begin();
  radio.openReadingPipe(1,pipe);
  radio.startListening();;
}//--(end setup )---


void loop()   /****** LOOP: RUNS CONSTANTLY ******/
{
  if ( radio.available() )
  {
    // Read the data payload until we've received everything
    bool done = false;
    while (!done)
    {
      done = radio.read( joystick, sizeof(joystick) );
      int joystickX = map(joystick[0],0,1023,0,180); // turn value of 0-1023 to 0-180 degrees
      int joystickY = map(joystick[1],0,1023,0,180);  // turn value of 0-1023 to 0-180 degrees
      
      // the four button variables from joystick array
      int upbut = joystick[2];
      int rightbut = joystick[3];
      int downbut = joystick[4];
      int lefttbut = joystick[5];
      
      servoVal = joystickX; // scale it to use it with the servo (result between 0 and 180)
      myservo2.write(servoVal); // sets the servo position according to the scaled value
      //Serial.println(servoVal); // for debugging
      
      servoVal = joystickY; // scale it to use it with the servo (result between 0 and 180)
      myservo1.write(servoVal); // sets the servo position according to the scaled value
      
      //Serial.println(servoVal); // for debugging
  
      // Fetch the data payload - Debugging code below
      
      Serial.print("X = ");
      
      Serial.print(joystickX);
      Serial.print(" Y = ");  
      
      Serial.print(joystickY);
      Serial.print(" Up = ");
      
      Serial.print(joystick[2]);
      Serial.print(" Right = ");  
      
      Serial.print(joystick[3]);
      Serial.print(" Down = ");
      
      Serial.print(joystick[4]);
      Serial.print(" Left = ");  
      
      Serial.println(joystick[5]);
     
     delay(15); // waits for the servo to get there
    }
  }
  else
  {    
      Serial.println("No radio available");
  }

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