RF22

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rf22_client_softwarespi.ino

Example sketch showing how to create a simple messageing client with the RF22 class using Software SPI instead of the usual Hardware SPI.

// rf22_client_softwarespi.pde
// -*- mode: C++ -*-
// Example sketch showing how to create a simple messageing client
// with the RF22 class using Software SPI instead of the
// usual Hardware SPI.
#include <SPI.h>
#include <RF22.h>
#include <SoftwareSPI.h>
// Software SPI class allows us to talk to the radio
// via bit-bang software instead of a hardware SPI driver
SoftwareSPIClass Software_spi;
// Singleton instance of the radio, using softwaer SPI
RF22 rf22(SS, 0, &Software_spi);
void setup()
{
Serial.begin(9600);
// Configure SoftwareSPI for the same pins as usual hardware
Software_spi.setPins(12, 11, 13);
if (!rf22.init())
Serial.println("RF22 init failed");
// Defaults after init are 434.0MHz, 0.05MHz AFC pull-in, modulation FSK_Rb2_4Fd36
}
void loop()
{
while (1)
{
Serial.println("Sending to rf22_server");
// Send a message to rf22_server
uint8_t data[] = "Hello World!";
rf22.send(data, sizeof(data));
rf22.waitPacketSent();
// Now wait for a reply
uint8_t buf[RF22_MAX_MESSAGE_LEN];
uint8_t len = sizeof(buf);
if (rf22.waitAvailableTimeout(500))
{
// Should be a message for us now
if (rf22.recv(buf, &len))
{
Serial.print("got reply: ");
Serial.println((char*)buf);
}
else
{
Serial.println("recv failed");
}
}
else
{
Serial.println("No reply, is rf22_server running?");
}
}
}