#include <SPI.h>

#include "RF24.h"

#include <SPI.h>

#include "RF24.h"

#include <printf.h>

/****************** User Config ***************************/

/***      Set this radio as radio number 0 or 1         ***/

bool radioNumber = ;

/* Hardware configuration: Set up nRF24L01 radio on SPI bus plus pins 7 & 8 */

RF24 radio(,);

/**********************************************************/

byte addresses[][] = {"1Node","2Node"};

// Used to control whether this node is sending or receiving

bool role = ;//1表示发送模式，0表示接收模式

unsigned long start_time = micros();

//这个是我们即将建立的传输渠道编码

//!!要和另一个模块的一致

const uint64_t pipes = 0xE8E8F0F0E1LL;

//这个变量会保持我们接受到的信息

//变量类型一定要和传过来的一样

//要传输的数据

unsigned long sendData = ;

unsigned long head = 0x01000000;//高8位为头标志，根据标志不同区分不同发送源，0x00为中心主节点

unsigned long receData;

void setup() {

  pinMode(,OUTPUT);//指示灯

  Serial.begin();

  printf_begin();

  Serial.println(F("RF24/examples/GettingStarted"));

  radio.begin();

  radio.setPALevel(RF24_PA_MAX);

  radio.openWritingPipe(pipes);

}

void loop() {

   Serial.print("role:");

   Serial.println(role);

  if(role){

     unsigned long data = sendData+head;

     Serial.print("Sending:");

     Serial.println(data);

     digitalWrite(,HIGH);

     bool ok = radio.write(&data,sizeof(unsigned long));

       role = ; 
       radio.openReadingPipe(1,pipes);

       radio.startListening();

       start_time = micros();

  }

  if(!role){

     digitalWrite(,LOW);

     if(radio.available()){

         radio.read(&receData,sizeof(unsigned long));

         Serial.print("Response:");

         Serial.println(receData);

         role = ;

         radio.stopListening();
         radio.openWritingPipe(pipes);

     }else{

        unsigned long end_time = micros();

        if((end_time-start_time)>=){

          role = ;

          radio.stopListening();
          radio.openWritingPipe(pipes);

        }

     }

  }

} // Loop

#include <cstdlib>

#include <iostream>

#include <sstream>

#include <string>

#include <unistd.h>

#include <RF24/RF24.h>

using namespace std;

//

// Hardware configuration

// Configure the appropriate pins for your connections

/****************** Raspberry Pi ***********************/

// Radio CE Pin, CSN Pin, SPI Speed

// See http://www.airspayce.com/mikem/bcm2835/group__constants.html#ga63c029bd6500167152db4e57736d0939 and the related enumerations for pin information.

// Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 4Mhz

//RF24 radio(RPI_V2_GPIO_P1_22, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_4MHZ);

// NEW: Setup for RPi B+

//RF24 radio(RPI_BPLUS_GPIO_J8_15,RPI_BPLUS_GPIO_J8_24, BCM2835_SPI_SPEED_8MHZ);

// Setup for GPIO 15 CE and CE0 CSN with SPI Speed @ 8Mhz

//RF24 radio(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_24, BCM2835_SPI_SPEED_8MHZ);

// RPi generic:

RF24 radio(,);

/*** RPi Alternate ***/

//Note: Specify SPI BUS 0 or 1 instead of CS pin number.

// See http://tmrh20.github.io/RF24/RPi.html for more information on usage

//RPi Alternate, with MRAA

//RF24 radio(15,0);

//RPi Alternate, with SPIDEV - Note: Edit RF24/arch/BBB/spi.cpp and  set 'this->device = "/dev/spidev0.0";;' or as listed in /dev

//RF24 radio(22,0);

/****************** Linux (BBB,x86,etc) ***********************/

// See http://tmrh20.github.io/RF24/pages.html for more information on usage

// See http://iotdk.intel.com/docs/master/mraa/ for more information on MRAA

// See https://www.kernel.org/doc/Documentation/spi/spidev for more information on SPIDEV

// Setup for ARM(Linux) devices like BBB using spidev (default is "/dev/spidev1.0" )

//RF24 radio(115,0);

//BBB Alternate, with mraa

// CE pin = (Header P9, Pin 13) = 59 = 13 + 46

//Note: Specify SPI BUS 0 or 1 instead of CS pin number.

//RF24 radio(59,0);

/********** User Config *********/

// Assign a unique identifier for this node, 0 or 1

bool radioNumber = ;

bool role = ;//receive mode

unsigned long  start_time=millis();

unsigned long count=;

/********************************/

// Radio pipe addresses for the 2 nodes to communicate.

const uint64_t pipes = 0xE8E8F0F0E1LL;

unsigned long  receData;

unsigned long  respData=0x01;

unsigned long  head=0x00000000;

int main(int argc, char** argv){

  cout << "RF24/examples/GettingStarted/\n";

  // Setup and configure rf radio

  radio.begin();

  // optionally, increase the delay between retries & # of retries

  radio.setRetries(,);

  // Dump the configuration of the rf unit for debugging

  radio.printDetails();

  radio.openReadingPipe(,pipes);

/***********************************/

  // This simple sketch opens two pipes for these two nodes to communicate

  // back and forth.

  radio.startListening();

  cout << "Listening .... \n";

  // forever loop

  while ()

  {

  // Pong back role.  Receive each packet, dump it out, and send it back

  //

    if(!role){

        if(radio.available()){

            count++;

            radio.read(&receData,sizeof(unsigned long));

            printf("Get Data:size(%d),count(%lu) %lu \n",sizeof(unsigned long),count,receData);

            role = ;

            radio.stopListening();
            radio.openWritingPipe(pipes);

        }else{

            unsigned long end_time = millis();

            if((end_time-start_time)>=){

                role = ;

                radio.stopListening();
                radio.openWritingPipe(pipes);

            }

        }

    }

    if(role){

        unsigned long data = respData + head;

        radio.write(&data,sizeof(unsigned long));

        printf("Send Data:size(%d),%lu \n",sizeof(unsigned long),data);

        role = ;

        radio.startListening();
        radio.openReadingPipe(1,pipes);

        start_time = millis();

    }

  } // forever loop

  return ;

}