 
 void setup() {
   Serial.begin(38400);
-  Serial.println("$UCID,Powermon433,"__DATE__" "__TIME__);
+  Serial.println(F("$UCID,Powermon433,"__DATE__" "__TIME__));
 
   pinModeFast(DPIN_LED, OUTPUT);
   if (rf69ook_init())

{
  ookTx();
  ookRx();
  //serial_doWork();
}
    digitalWriteFast(DPIN_LED, HIGH);
  }
  else
  {
    Serial.print(F("CRC ERR (Rssi -")); Serial.print(g_RxRssi/2, DEC);
    Serial.println(F(" dBm)"));
  }
}

static void txSetup(void)
