helloworld_rx.cpp
examples_RPi/helloworld_rx.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66 | /*
Update 2014 - TMRh20
*/
/**
* Simplest possible example of using RF24Network,
*
* RECEIVER NODE
* Listens for messages from the transmitter and prints them out.
*/
#include <RF24/RF24.h>
#include <RF24Network/RF24Network.h>
#include <iostream>
#include <ctime>
#include <stdio.h>
#include <time.h>
// CE Pin, CSN Pin, SPI Speed (Hz)
RF24 radio(22, 0);
RF24Network network(radio);
// Address of our node in Octal format
const uint16_t this_node = 00;
// Address of the other node in Octal format (01, 021, etc)
const uint16_t other_node = 01;
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();
while (network.available()) { // Is there anything ready for us?
RF24NetworkHeader header; // If so, grab it and print it out
payload_t payload;
network.read(header, &payload, sizeof(payload));
printf("Received payload: counter=%u, origin timestamp=%u\n", payload.counter, payload.ms);
}
//sleep(2);
delay(2000);
}
return 0;
}
|