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rf22_reliable_datagram_client.pde

Client side of simple client/server pair using RF22ReliableDatagram class

// rf22_reliable_datagram_client.pde
// -*- mode: C++ -*-
// Example sketch showing how to create a simple addressed, reliable messaging client
// with the RF22ReliableDatagram class.
// It is designed to work with the other example rf22_reliable_datagram_server
#include <RF22ReliableDatagram.h>
#include <RF22.h>
#include <SPI.h>
#define CLIENT_ADDRESS 1
#define SERVER_ADDRESS 2
// Singleton instance of the radio
RF22ReliableDatagram rf22(CLIENT_ADDRESS);
void setup()
{
Serial.begin(9600);
if (!rf22.init())
Serial.println("RF22 init failed");
// Defaults after init are 434.0MHz, 0.05MHz AFC pull-in, modulation FSK_Rb2_4Fd36
}
uint8_t data[] = "Hello World!";
// Dont put this on the stack:
uint8_t buf[RF22_MAX_MESSAGE_LEN];
void loop()
{
while (1)
{
Serial.println("Sending to rf22_datagram_server");
// Send a message to rf22_server
if (!rf22.sendtoWait(data, sizeof(data), SERVER_ADDRESS))
Serial.println("sendtoWait failed");
else
{
// Now wait for a reply from the server
// Serial.println(rf22.lastRssi(), HEX); // of the ACK
uint8_t len = sizeof(buf);
uint8_t from;
if (rf22.recvfromAckTimeout(buf, &len, 2000, &from))
{
Serial.print("got reply from : 0x");
Serial.print(from, HEX);
Serial.print(": ");
Serial.println((char*)buf);
}
else
{
Serial.println("No reply, is rf22_datagram_server running?");
}
}
delay(500);
}
}