static void sendData( Sender& xbee, const uint8_t* data, size_t length) { for( size_t index = 0; index < length; ++index ) { xbee.putc( data[ index ] ); } }
static void sendData( Sender& xbee, const uint8_t* data, size_t length, uint8_t& checksum ) { for( size_t index = 0; index < length; ++index ) { xbee.putc( data[ index ] ); checksum += data[ index ]; } }