nRF24L01模块不能完成收发
最近在准备做一套远程采集的东西，使用了nRF24L01模块，在测试的时候，使用了RF24Network类库的例子，helloworld_rx和，接线按照SPI接口（D11，D12，D13），CE为D9，片选CSN为D10。 发送端始终发送失败 显示 Sending...failed，接受端无反应。请问大家知道问题在哪里吗。还有个问题，如果只启动发送端，不启动接受端，发送正常的话会显示 Sending...ok吗/*
Copyright (C) 2012 James Coliz, Jr. <[email protected]>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
*/
/**
* Simplest possible example of using RF24Network
*
* TRANSMITTER NODE
* Every 2 seconds, send a payload to the receiver node.
*/
#include <RF24Network.h>
#include <RF24.h>
#include <SPI.h>
// nRF24L01(+) radio attached using Getting Started board
RF24 radio(9,10);
// Network uses that radio
RF24Network network(radio);
// Address of our node
const uint16_t this_node = 1;
// Address of the other node
const uint16_t other_node = 0;
// How often to send 'hello world to the other unit
const unsigned long interval = 2000; //ms
// When did we last send?
unsigned long last_sent;
// How many have we sent already
unsigned long packets_sent;
// Structure of our payload
struct payload_t
{
unsigned long ms;
unsigned long counter;
};
void setup(void)
{
Serial.begin(57600);
Serial.println("RF24Network/examples/helloworld_tx/");
SPI.begin();
radio.begin();
network.begin(/*channel*/ 90, /*node address*/ this_node);
}
void loop(void)
{
// Pump the network regularly
network.update();
// If it's time to send a message, send it!
unsigned long now = millis();
if ( now - last_sent >= interval)
{
last_sent = now;
Serial.print("Sending...");
payload_t payload = { millis(), packets_sent++ };
RF24NetworkHeader header(/*to node*/ other_node);
bool ok = network.write(header,&payload,sizeof(payload));
if (ok)
Serial.println("ok.");
else
Serial.println("failed.");
}
}
// vim:ai:cin:sts=2 sw=2 ft=cpp
页:
[1]