private void writePayLoad(byte data[]) throws SpiDeviceException {
// use any of the instantiated registers to access this method to append command to payload data
SPIFactory.INSTANCE.writeRead(
configRegister.appendWriteCommandToDataArray(
(byte) NRFCommand.WriteTxPayload.getCommand(), data));
// send a reuse command if it is just keep alive data
if (Arrays.equals(rfKeepAlive, data)) {
SPIFactory.INSTANCE.writeRead(new byte[] {(byte) NRFCommand.ReusePayLoad.getCommand()});
}
}
