helloworld_tx.cpp
examples_RPi/helloworld_rx.cpp
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74 | /*
Update 2014 - TMRh20
*/
/**
* Simplest possible example of using RF24Network,
*
* RECEIVER NODE
* Listens for messages from the transmitter and prints them out.
*/
//#include <cstdlib>
#include <RF24/RF24.h>
#include <RF24Network/RF24Network.h>
#include <iostream>
#include <ctime>
#include <stdio.h>
#include <time.h>
using namespace std;
RF24 radio(22, 0); // (CE Pin, CSN Pin, [SPI Speed (in Hz)])
RF24Network network(radio);
// Address of our node in Octal format (01,021, etc)
const uint16_t this_node = 01;
// Address of the other node
const uint16_t other_node = 00;
// How often (in milliseconds) to send a message to the `other_node`
const unsigned long interval = 2000;
uint32_t last_sent; // When did we last send?
uint32_t packets_sent; // How many have we sent already
struct payload_t
{ // Structure of our payload
uint32_t ms;
uint32_t counter;
};
int main(int argc, char** argv)
{
// Refer to RF24 docs or nRF24L01 Datasheet for settings
if (!radio.begin()) {
printf("Radio hardware not responding!\n");
return 0;
}
delay(5);
radio.setChannel(90);
network.begin(/*node address*/ this_node);
radio.printDetails();
while (1) {
network.update();
uint32_t now = millis(); // If it's time to send a message, send it!
if (now - last_sent >= interval) {
last_sent = now;
printf("Sending ..\n");
payload_t payload = {millis(), packets_sent++};
RF24NetworkHeader header(/*to node*/ other_node);
bool ok = network.write(header, &payload, sizeof(payload));
printf("%s.\n", ok ? "ok" : "failed");
}
}
return 0;
}
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