diff options
Diffstat (limited to 'drv_generic_gpio.h')
| -rw-r--r-- | drv_generic_gpio.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drv_generic_gpio.h b/drv_generic_gpio.h new file mode 100644 index 0000000..e951f09 --- /dev/null +++ b/drv_generic_gpio.h @@ -0,0 +1,47 @@ +/* $Id: drv_generic_gpio.h 1051 2009-11-05 08:02:32Z peterbailey $ + * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/drv_generic_gpio.h $ + * + * generic driver helper for GPIO's + * + * Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.at> + * Copyright (C) 2005 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> + * + * This file is part of LCD4Linux. + * + * LCD4Linux is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * LCD4Linux is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + + +#ifndef _DRV_GENERIC_GPO_H_ +#define _DRV_GENERIC_GPO_H_ + +#include "widget.h" + +extern int GPIS; /* number of GPI's */ +extern int GPOS; /* number of GPO's */ + +/* these function must be implemented by the real driver */ +extern int (*drv_generic_gpio_real_set) (const int num, const int val); +extern int (*drv_generic_gpio_real_get) (const int num); + +/* generic functions and widget callbacks */ +int drv_generic_gpio_init(const char *section, const char *driver); +int drv_generic_gpio_clear(void); +int drv_generic_gpio_get(const int num); +int drv_generic_gpio_draw(WIDGET * W); +int drv_generic_gpio_quit(void); + +#endif |