diff options
Diffstat (limited to 'drv_generic_i2c.h')
-rw-r--r-- | drv_generic_i2c.h | 139 |
1 files changed, 76 insertions, 63 deletions
diff --git a/drv_generic_i2c.h b/drv_generic_i2c.h index 64f4ed0..dd885be 100644 --- a/drv_generic_i2c.h +++ b/drv_generic_i2c.h @@ -1,64 +1,77 @@ -/* $Id: drv_generic_i2c.h,v 1.2 2005/05/08 04:32:44 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. - * - * +/* $Id: drv_generic_i2c.h,v 1.3 2005/05/31 20:42:55 lfcorreia 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 1.2 2005/05/08 04:32:44 reinelt - * CodingStyle added and applied - * - * 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 + * Revision 1.3 2005/05/31 20:42:55 lfcorreia + * new file: lcd4linux_i2c.h + * avoid the problems detecting the proper I2C kernel include files + * + * rearrange all the other autoconf stuff to remove I2C detection + * + * new method by Paul Kamphuis to write to the I2C device + *
+ * Revision 1.2 2005/05/08 04:32:44 reinelt
+ * CodingStyle added and applied
+ *
+ * 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
+ *
+ * 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
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