Akash Vibhute / Mbed 2 deprecated RF24Network_Send

RF24Network Send example program. Tested on Nucleo-F411.

Dependencies:   RF24 RF24Network mbed

main.cpp@2:926b93a68399, 2015-07-06 (annotated)

Committer:
akashvibhute
Date:
Mon Jul 06 05:24:49 2015 +0000
Revision:
2:926b93a68399
Parent:
1:5be48a9550c3
Child:
3:d605536db315
Example RF24Network Receive program. Tested on Nucleo F411

Who changed what in which revision?

UserRevisionLine numberNew contents of line
akashvibhute 0:3982c0e9eda1 1 #include "mbed.h"
akashvibhute 0:3982c0e9eda1 2 #include <RF24Network.h>
akashvibhute 2:926b93a68399 3 #include <RF24.h>
akashvibhute 0:3982c0e9eda1 4
akashvibhute 0:3982c0e9eda1 5 Serial pc(USBTX, USBRX);
akashvibhute 0:3982c0e9eda1 6
akashvibhute 0:3982c0e9eda1 7 #define nrf_CE D9
akashvibhute 0:3982c0e9eda1 8 #define nrf_CSN D10
akashvibhute 0:3982c0e9eda1 9 #define spi_SCK D3
akashvibhute 0:3982c0e9eda1 10 #define spi_MOSI D4
akashvibhute 0:3982c0e9eda1 11 #define spi_MISO D5
akashvibhute 0:3982c0e9eda1 12
akashvibhute 0:3982c0e9eda1 13 RF24 radio(spi_MOSI, spi_MISO, spi_SCK, nrf_CSN, nrf_CE);
akashvibhute 0:3982c0e9eda1 14
akashvibhute 0:3982c0e9eda1 15 // Network uses that radio
akashvibhute 0:3982c0e9eda1 16 RF24Network network(radio);
akashvibhute 0:3982c0e9eda1 17
akashvibhute 0:3982c0e9eda1 18 // Address of our node
akashvibhute 2:926b93a68399 19 const uint16_t this_node = 0;
akashvibhute 0:3982c0e9eda1 20
akashvibhute 0:3982c0e9eda1 21 // Address of the other node
akashvibhute 2:926b93a68399 22 const uint16_t other_node = 1;
akashvibhute 0:3982c0e9eda1 23
akashvibhute 2:926b93a68399 24 // How often to send payload packet to the other unit
akashvibhute 2:926b93a68399 25 const unsigned long interval = 1000; //ms
akashvibhute 0:3982c0e9eda1 26
akashvibhute 0:3982c0e9eda1 27 // When did we last send?
akashvibhute 0:3982c0e9eda1 28 unsigned long last_sent;
akashvibhute 1:5be48a9550c3 29 Timer t;
akashvibhute 0:3982c0e9eda1 30
akashvibhute 0:3982c0e9eda1 31 // How many have we sent already
akashvibhute 0:3982c0e9eda1 32 unsigned long packets_sent;
akashvibhute 1:5be48a9550c3 33 Timer t_packet;
akashvibhute 0:3982c0e9eda1 34
akashvibhute 0:3982c0e9eda1 35 // Structure of our payload
akashvibhute 2:926b93a68399 36 struct payload_t
akashvibhute 0:3982c0e9eda1 37 {
akashvibhute 2:926b93a68399 38 unsigned long ms;
akashvibhute 2:926b93a68399 39 unsigned long counter;
akashvibhute 2:926b93a68399 40
akashvibhute 2:926b93a68399 41 float vector_4d[4];
akashvibhute 0:3982c0e9eda1 42 };
akashvibhute 0:3982c0e9eda1 43
akashvibhute 0:3982c0e9eda1 44
akashvibhute 2:926b93a68399 45 int main()
akashvibhute 0:3982c0e9eda1 46 {
akashvibhute 0:3982c0e9eda1 47 pc.baud(921600);
akashvibhute 0:3982c0e9eda1 48 wait_ms(1000);
akashvibhute 2:926b93a68399 49
akashvibhute 2:926b93a68399 50 pc.printf("mBed RF24Network node: Tx\n");
akashvibhute 0:3982c0e9eda1 51 radio.begin();
akashvibhute 0:3982c0e9eda1 52 network.begin(/*channel*/ 90, /*node address*/ this_node);
akashvibhute 0:3982c0e9eda1 53 wait_ms(2000);
akashvibhute 1:5be48a9550c3 54 t.start();
akashvibhute 1:5be48a9550c3 55 t_packet.start();
akashvibhute 2:926b93a68399 56 while(1)
akashvibhute 0:3982c0e9eda1 57 {
akashvibhute 0:3982c0e9eda1 58 // Pump the network regularly
akashvibhute 0:3982c0e9eda1 59 network.update();
akashvibhute 2:926b93a68399 60
akashvibhute 1:5be48a9550c3 61 /* If it's time to send a message, send it! */
akashvibhute 1:5be48a9550c3 62 unsigned long now = t.read_ms();
akashvibhute 2:926b93a68399 63 if ( now >= interval )
akashvibhute 1:5be48a9550c3 64 {
akashvibhute 1:5be48a9550c3 65 t.reset();
akashvibhute 1:5be48a9550c3 66
akashvibhute 1:5be48a9550c3 67 pc.printf("Sending...");
akashvibhute 1:5be48a9550c3 68 payload_t payload_tx;
akashvibhute 1:5be48a9550c3 69 payload_tx.ms = t_packet.read_ms();
akashvibhute 1:5be48a9550c3 70 payload_tx.counter = packets_sent++;
akashvibhute 2:926b93a68399 71 for(int i=0; i<=3; i++)
akashvibhute 1:5be48a9550c3 72 {
akashvibhute 1:5be48a9550c3 73 payload_tx.vector_4d[i] = i + 1.00f;
akashvibhute 1:5be48a9550c3 74 }
akashvibhute 2:926b93a68399 75
akashvibhute 2:926b93a68399 76
akashvibhute 1:5be48a9550c3 77 RF24NetworkHeader header_tx(/*to node*/ other_node);
akashvibhute 1:5be48a9550c3 78 bool ok = network.write(header_tx,&payload_tx,sizeof(payload_tx));
akashvibhute 1:5be48a9550c3 79 if (ok)
akashvibhute 2:926b93a68399 80 pc.printf("ok.\n");
akashvibhute 1:5be48a9550c3 81 else
akashvibhute 2:926b93a68399 82 pc.printf("failed.\n");
akashvibhute 2:926b93a68399 83 }
akashvibhute 2:926b93a68399 84
akashvibhute 2:926b93a68399 85
akashvibhute 0:3982c0e9eda1 86 }
akashvibhute 2:926b93a68399 87
akashvibhute 0:3982c0e9eda1 88 }