include/pca9698.h

   1 /*
   2  * (C) Copyright 2011
   3  * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program 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 this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #ifndef __PCA9698_H_
  25 #define __PCA9698_H_
  26
  27 int pca9698_request(unsigned gpio, const char *label);
  28 void pca9698_free(unsigned gpio);
  29 int pca9698_direction_input(u8 addr, unsigned gpio);
  30 int pca9698_direction_output(u8 addr, unsigned gpio, int value);
  31 int pca9698_get_value(u8 addr, unsigned gpio);
  32 int pca9698_set_value(u8 addr, unsigned gpio, int value);
  33
  34 #endif /* __PCA9698_H_ */