// LICENSE: GPL v3 (http://www.gnu.org/licenses/gpl.html)
// ==============
/*
*nRF24 无线网络发送例程
*
*向接收器发送数据
*/
#include <RF24Network.h>
/* 硬件配置: nRF24模块使用SPI通讯外加9脚和10脚 */
RF24 radio(D9,D10);
RF24Network network(radio); // Network uses that radio
const uint16_t this_node = 01; // 本机地址
const uint16_t other_node = 00; // 接收器的地址
const unsigned long interval = 2000; //ms 发送间隔2000ms
unsigned long last_sent; // 记录发送时刻
unsigned long packets_sent; // 记录发送次数
struct payload_t { // 数据的结构体、时间与计数值
unsigned long ms;
unsigned long counter;
};
void setup(void)
{
Serial.begin(115200);
Serial.println("RF24Network/examples/helloworld_tx/");
radio.begin();
//nRF24网络初始化, 使用频道90，本机地址01
network.begin(/*channel*/ 90, /*node address*/ this_node);
}
void loop() {
network.update(); // 网络更新，必要
unsigned long now = millis(); //获取实时的运行时间，赋值给now
if ( now - last_sent >= interval ) //减去上次发送的时间，若大于interval则发送，小于则 //继续等待
{
last_sent = now; //now赋值给last
Serial.print("Sending..."); //串口输出“sending”
payload_t payload = { millis(), packets_sent++ }; //发送实时运行时间与数据包序号，发送后序序 //号加一
RF24NetworkHeader header(/*to node*/ other_node);
bool ok = network.write(header,&payload,sizeof(payload)); //发送数据
if (ok)
Serial.println("ok.");
else
Serial.println("failed.");
}
}
// LICENSE: GPL v3 (http://www.gnu.org/licenses/gpl.html)
// ==============
/*
*nRF24 无线网络接收例程
*
*监听发送器发射的数据，然后打印出来
*/
#include <RF24Network.h>
/* 硬件配置: nRF24模块使用SPI通讯外加9脚和10脚 */
RF24 radio(D9,D10);
RF24Network network(radio);
const uint16_t this_node = 00; // 本机地址
const uint16_t other_node = 01; // 发送器的地址
struct payload_t { // 数据的结构体
unsigned long ms;
unsigned long counter;
};
void setup(void)
{
Serial.begin(115200);
Serial.println("RF24Network/examples/helloworld_rx/");
radio.begin();
//nRF24网络初始化, 使用频道90，本机地址00
network.begin(/*channel*/ 90, /*node address*/ this_node);
}
void loop(void){
network.update(); // 网络更新，必要
while ( network.available() ) { // 接收到数据
RF24NetworkHeader header;
payload_t payload;
network.read(header,&payload,sizeof(payload)); //读取数据
Serial.print("Received packet #");
Serial.print(payload.counter);
Serial.print(" at ");
Serial.println(payload.ms);
}
}
