#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>
const uint64_t pipeOut = 0xABBBABCD71LL;         // NOTE: The address in the Transmitter and Receiver code must be the same "0xABCDABCD71LL"
const int switchPin1 = 2; // Toggle switch connected to digital pin 2
const int switchPin2 = 3; // Toggle switch connected to digital pin 3
const int switchPin3 = 4; // Toggle switch connected to digital pin 4
const int switchPin4 = 5; // Toggle switch connected to digital pin 5

RF24 radio(7,8);                               // select CE,CSN pin

struct Signal {
byte xMain;
byte yMain;
byte xSecondary;
byte ySecondary;
byte sw1;
byte sw2;
byte sw3;
byte sw4;
byte rPoten;
  
};

Signal data;
void ResetData() 
{
  data.xMain = 0;                  
  data.yMain = 127;
  data.xSecondary = 127;
  data.ySecondary = 127;
  data.sw1 = 0;                       
  data.sw2 = 0;
  data.sw3 = 0;                       
  data.sw4 = 0;
  data.rPoten = 0;
}

void setup()
{
  Serial.begin(9600);
  // Configure the NRF24 module
  radio.begin();
  radio.openWritingPipe(pipeOut);
  radio.setChannel(100);
  radio.setAutoAck(false);
  radio.setDataRate(RF24_250KBPS);    // The lowest data rate value for more stable communication
  radio.setPALevel(RF24_PA_MAX);      // Output power is set for maximum range
  radio.stopListening();              // Start the radio comunication for Transmitter
  ResetData();

  pinMode(switchPin1, INPUT);
  pinMode(switchPin2, INPUT);
  pinMode(switchPin3, INPUT);
  pinMode(switchPin4, INPUT);
 
}

 // Joystick center and its borders 
int Border_Map(int val, int lower, int middle, int upper, bool reverse)
{
  val = constrain(val, lower, upper);
  if ( val < middle )
  val = map(val, lower, middle, 0, 128);
  else
  val = map(val, middle, upper, 128, 255);
  return ( reverse ? 255 - val : val );
}


void loop()
{                                  

  data.xMain = Border_Map(      analogRead(A0), 0, 512, 1023, false );       // CH1   Note: "true" or "false" for signal direction
  data.yMain = Border_Map(      analogRead(A1), 0, 512, 1023, false );       // CH2    
  data.xSecondary = Border_Map( analogRead(A3), 0, 512, 1023, false );       // CH3
  data.ySecondary = Border_Map( analogRead(A4), 0, 512, 1023, false );       // CH4
  data.sw1 = digitalRead(switchPin1);                                                 // CH5
  data.sw2 = digitalRead(switchPin2);                                                 // CH6
  data.sw3 = digitalRead(switchPin3);                                                 // CH7
  data.sw4 = digitalRead(switchPin4);                                                 // CH8
  data.rPoten = analogRead(A2);                                              // CH9
  radio.write(&data, sizeof(Signal));

  Serial.println("_________________________________");
  Serial.print(" xMain "); 
  Serial.print(data.xMain);
  Serial.print(" yMain "); 
  Serial.print(data.yMain);
  Serial.print(" xSecondary "); 
  Serial.print(data.xSecondary);
  Serial.print(" ySecondary "); 
  Serial.print(data.ySecondary);
  Serial.print(" sw1 "); 
  Serial.print(data.sw1);    
  Serial.print(" sw2 "); 
  Serial.print(data.sw2);  
  Serial.print(" sw3 "); 
  Serial.print(data.sw3);  
  Serial.print(" sw4 "); 
  Serial.print(data.sw4);
  Serial.print(" rPoten "); 
  Serial.print(data.rPoten);  
  Serial.println(" ");
}