韌體開發筆記

class CTest{

    std::ostream debug_message;

    explicit CTest():debug_message( cout.rdbuf() ){} ;

   ~CTest(){};

   void Print(){

        debug_message << endl << " this line will print on screen " << endl;

        debug_message.clear(ios::failbit);

        debug_message << endl << " this line cannot show " << endl;

        debug_message.clear(ios::goodbit);

        debug_message << endl << " Show this line again " << endl;

   }

}