1 files changed, 61 insertions, 0 deletions
diff --git a/drv_generic_i2c.h b/drv_generic_i2c.h
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+/* $Id: drv_generic_i2c.h 771 2007-02-25 12:27:26Z michael $
+ * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/drv_generic_i2c.h $
+ *
+ * generic driver helper for i2c displays
+ *
+ * Copyright (C) 2005 Luis Correia <lfcorreia@users.sf.net>
+ * 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.
+ *
+ */
+
+/* 
+ *
+ * exported fuctions:
+ *
+ * int drv_generic_i2c_open (void)
+ *   reads 'Port' entry from config and opens
+ *   the i2c port
+ *   returns 0 if ok, -1 on failure
+ *
+ * int drv_generic_i2c_close (void)
+ *   closes i2c port
+ *   returns 0 if ok, -1 on failure
+ *
+ * unsigned char drv_generic_i2c_wire (char *name, char *deflt)
+ *   reads wiring for one data signal from config
+ *   returns 1<<bitpos or 255 on error
+ *
+ * void drv_generic_i2c_data (unsigned char value)
+ *   put data bits on DB1..DB8
+ *
+ * void drv_generic_i2c_command(unsigned char command, unsigned char *data,unsigned char length)
+ *   send command and the data to the i2c device
+ * 
+ */
+
+#ifndef _DRV_GENERIC_I2C_H_
+#define _DRV_GENERIC_I2C_H_
+
+int drv_generic_i2c_open(const char *section, const char *driver);
+int drv_generic_i2c_close(void);
+unsigned char drv_generic_i2c_wire(const char *name, const char *deflt);
+void drv_generic_i2c_data(const unsigned char data);
+void drv_generic_i2c_command(const unsigned char command, /*const */ unsigned char *data, const unsigned char length);
+
+#endif