git.rot13.org Git - simavr/blob - examples/board_reprap/src/c3/c3driver.h

   1 /*
   2         c3driver.h
   3
   4         Copyright 2008-2012 Michel Pollet <buserror@gmail.com>
   5
   6         This file is part of simavr.
   7
   8         simavr is free software: you can redistribute it and/or modify
   9         it under the terms of the GNU General Public License as published by
  10         the Free Software Foundation, either version 3 of the License, or
  11         (at your option) any later version.
  12
  13         simavr is distributed in the hope that it will be useful,
  14         but WITHOUT ANY WARRANTY; without even the implied warranty of
  15         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16         GNU General Public License for more details.
  17
  18         You should have received a copy of the GNU General Public License
  19         along with simavr.  If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22
  23 #ifndef __C3DRIVER_H___
  24 #define __C3DRIVER_H___
  25
  26 #define C3_DRIVER_CALL(__o, __callback, __args...) { \
  27                 if ((__o) && (__o)->driver) \
  28                         for (int _di = 0; (__o)->driver[_di]; _di++) \
  29                                 if ((__o)->driver[_di]->__callback) { \
  30                                         (__o)->driver[_di]->__callback(__o, (__o)->driver[_di], ##__args); \
  31                                         break; \
  32                                 } \
  33         }
  34 #define C3_DRIVER(__o, __callback, __args...) \
  35                 C3_DRIVER_CALL(__o, __callback, ##__args)
  36 #define C3_DRIVER_INHERITED(__o, __driver, __callback, __args...) { \
  37                 if ((__o) && (__o)->driver) \
  38                         for (int _di = 0; (__o)->driver[_di]; _di++) \
  39                                 if ((__o)->driver[_di] == __driver && (__o)->driver[_di+1]) { \
  40                                         (__o)->driver[_di+1]->__callback(__o, (__o)->driver[_di+1], ##__args); \
  41                                         break; \
  42                                 } \
  43         }
  44 #endif /* __C3DRIVER_H___ */