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_ */ 35