resources/pio.h

   1 /* Quarn OS
   2  *
   3  * Programmable Input/Output
   4  *
   5  * Copyright (C) 2008-2009 Pawel Dziepak
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  */
  22
  23 #ifndef _PIO_H_
  24 #define _PIO_H_
  25
  26 #include "socket.h"
  27 #include "stream.h"
  28 #include "libs/pointer.h"
  29 #include "services/timer.h"
  30 #include "libs/buffer.h"
  31
  32 namespace resources {
  33         class pio : public socket {
  34         private:
  35                 p<services::timer> tm;
  36
  37                 p<stream> dep;
  38                 buffer buf;
  39                 int ptr;
  40                 volatile bool ready;
  41                 int speed;
  42
  43                 delegate<void> snd_dt_nxt;
  44                 delegate<void> notice_user;
  45
  46                 void send_data_next();
  47         public:
  48                 void send_packet(const buffer &);
  49                 void set_speed(int);
  50                 void set_dep(p<stream>);
  51                 bool start(bool wait, delegate<void>);
  52
  53                 static void register_type();
  54         };
  55 }
  56
  57 #endif