#include <nRF905.h>
#include <SPI.h>

#define RXADDR {0xFE, 0x4C, 0xA6, 0xE5} // Address of this device (4 bytes)
#define TXADDR {0x58, 0x6F, 0x2E, 0x10} // Address of device to send to (4 bytes)

#define TIMEOUT 1000 // 1 second ping timeout

#define PIR 33

String Payload;
boolean PIRval;
String dataType;


void setup()
{

  pinMode(PIR, INPUT);

  // Start up
  nRF905_init();

  // Set address of this device
  byte addr[] = RXADDR;
  nRF905_setRXAddress(addr);

  // Put into receive mode
  nRF905_receive();

  nRF905_setTXAddress(addr);

  Serial.begin(9600);

  Serial.println(F("Client started"));
}

void loop()
{
  PIRval = digitalRead(PIR);
  Serial.println(PIRval);

  if (PIRval != 0) {
    dataType = "PR";
    Payload = dataType + "NO INTRUSION!!!";
    Payload.trim();
  }
  else if (PIRval == 0) {
    dataType = "PR";
    Payload = dataType + " URGENT!!!";
    Payload.trim();
  }

  // Make data
  char data[NRF905_MAX_PAYLOAD] = {0};
  Payload.toCharArray(data, 32);

  // Set address of device to send to
  byte addr[] = TXADDR;
  nRF905_setTXAddress(addr);

  // Set payload data
  nRF905_setData(data, sizeof(data));

  // Send payload (send fails if other transmissions are going on, keep trying until success)
  nRF905_send();

  // Put into receive mode
  nRF905_receive();

  Serial.println("sent!");
  Serial.print(data);
  Serial.println();
  delay(1000);
}