class UDrive {
    public:
        UDrive(HardwareSerial*);
        bool connect();
    private:
        bool fileopen;
        HardwareSerial connection;

};

UDrive::UDrive(HardwareSerial* newcon) {
    fileopen = false;
    connection = newcon;
}

bool UDrive::connect() {
    connection.flush();

    do {
        connection.print(0x00, BYTE);
    } while(connection.available() == 0);

    return true;
}

/* Errors returned:

C:\Users\Steve\AppData\Local\Temp\build7714903766476072860.tmp\/udrive.cpp:34: error: request for member 'flush' in '((UDrive*)this)->UDrive::connection', which is of non-class type 'HardwareSerial*'

C:\Users\Steve\AppData\Local\Temp\build7714903766476072860.tmp\/udrive.cpp:37: error: request for member 'print' in '((UDrive*)this)->UDrive::connection', which is of non-class type 'HardwareSerial*'

C:\Users\Steve\AppData\Local\Temp\build7714903766476072860.tmp\/udrive.cpp:38: error: request for member 'available' in '((UDrive*)this)->UDrive::connection', which is of non-class type 'HardwareSerial*'
*/