分析一个遥控器和接收器的源码

//Transmitter Joystick

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>

RF24 radio(8, 9); //CE, CSN
const byte address[6] = "00001";

char xyData[32] = "";
String Rjoy, Lpot, Rpot, Ljoy;

int delaytime = 20;

void setup()
{
  Serial.begin(9600);
  radio.begin();
  radio.openWritingPipe(address);
  radio.setPALevel(RF24_PA_MIN);
  radio.stopListening();
}

void loop()
{
  Rjoy = analogRead(A1); //Read Right joystick values from VRy
  Lpot = analogRead(A2); //Read Lpot values
  Rpot = analogRead(A3);
  Ljoy = analogRead(A0);

  Serial.print("Ljoy = ");
  Serial.print(Ljoy);
  Serial.print("\t");

  Serial.print("Rjoy = ");
  Serial.print(Rjoy);
  Serial.print("\t");

  Serial.print("Lpot = ");
  Serial.print(Lpot);
  Serial.print("\t");

  Serial.print("Rpot = ");
  Serial.print(Rpot);

  Serial.println();

  //X value
  Rjoy.toCharArray(xyData, 5);          //Put the String (X Value) into a character array
  radio.write(&xyData, sizeof(xyData)); //Send the array data (X-value) to the other NRF24L01 modile

  //Y value
  Lpot.toCharArray(xyData, 5);
  radio.write(&xyData, sizeof(xyData));
  delay(delaytime);
}

//Fan Boat Code

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>
#include <Servo.h>

RF24 radio(8, 9); // CE, CSN
const byte address[6] = "00001";
char receivedData[32] = "";
int xAxis, yAxis;

Servo myServo;
int In3 = 7;
int In4 = 6;
int ENB = 5;
int delaytime = 20;

void setup()
{
  pinMode(In3, OUTPUT);
  pinMode(In4, OUTPUT);
  pinMode(ENB, OUTPUT);
  digitalWrite(In3, HIGH);
  digitalWrite(In4, LOW);
  Serial.begin(9600);
  myServo.attach(3);
  radio.begin();
  radio.openReadingPipe(0, address);
  radio.setPALevel(RF24_PA_MIN);
  radio.startListening();
}

void loop()
{
  if (radio.available())
  {
    radio.read(&receivedData, sizeof(receivedData));
    xAxis = atoi(&receivedData[0]);
    delay(delaytime);
    radio.read(&receivedData, sizeof(receivedData));
    yAxis = atoi(&receivedData[0]);
    delay(delaytime);
  }
  int angelV = map(xAxis, 0, 1023, 130, 60);
  int throttle = map(yAxis, 0, 1023, 0, 255);
  myServo.write(angelV);
  analogWrite(ENB, throttle);

  Serial.print(angelV);
  Serial.print("\t");
  Serial.print(yAxis);
  Serial.print("\t");
  Serial.print(throttle);
  Serial.println();
}

https://maniacbug.github.io/RF24/classRF24.html

http://www.taichi-maker.com/homepage/reference-index/arduino-library-index/servo-library/servo-attach/