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rf22_reliable_datagram_server.pde

Server side of simple client/server pair using RF22ReliableDatagram class

// rf22_reliable_datagram_server.pde
// -*- mode: C++ -*-
// Example sketch showing how to create a simple addressed, reliable messaging server
// with the RF22Datagram class.
// It is designed to work with the other example rf22_reliable_datagram_client
#include <RF22ReliableDatagram.h>
#include <RF22.h>
#include <SPI.h>
#define CLIENT_ADDRESS 1
#define SERVER_ADDRESS 2
// Singleton instance of the radio
RF22ReliableDatagram rf22(SERVER_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[] = "And hello back to you";
// Dont put this on the stack:
uint8_t buf[RF22_MAX_MESSAGE_LEN];
void loop()
{
while (1)
{
// Wait for a message addressed to us from the client
uint8_t len = sizeof(buf);
uint8_t from;
if (rf22.recvfromAck(buf, &len, &from))
{
Serial.print("got request from : 0x");
Serial.print(from, HEX);
Serial.print(": ");
Serial.println((char*)buf);
// Send a reply back to the originator client
if (!rf22.sendtoWait(data, sizeof(data), from))
Serial.println("sendtoWait failed");
}
}
}