[lcd4linux @ 2005-03-28 19:39:14 by reinelt]

HD44780/I2C patch from Luis merged (still does not work for me)

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@519 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

1 files changed, 61 insertions, 0 deletions

diff --git a/drv_generic_i2c.h b/drv_generic_i2c.h
new file mode 100644
index 0000000..731bacc
--- /dev/null
+++ b/drv_generic_i2c.h
@@ -0,0 +1,61 @@
+/* $Id: drv_generic_i2c.h,v 1.1 2005/03/28 19:39:23 reinelt Exp $
+ *
+ * generic driver helper for i2c displays
+ *
+ * Copyright (C) 2005 Luis F. Correia <luis.f.correia@seg-social.pt>
+ * 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.
+ *
+ *
+ * $Log: drv_generic_i2c.h,v $
+ * Revision 1.1  2005/03/28 19:39:23  reinelt
+ * HD44780/I2C patch from Luis merged (still does not work for me)
+ *
+ *
+ */
+
+/* 
+ *
+ * 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
+ */
+
+#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);
+
+#endif