From 0023926a82ccc300f2fdbc01c91244cc3180d261 Mon Sep 17 00:00:00 2001
From: reinelt <>
Date: Mon, 29 Sep 2003 06:12:56 +0000
Subject: [lcd4linux @ 2003-09-29 06:12:56 by reinelt] changed default HD44780
 wiring: unused signals are GND

---
 HD44780.c       | 15 +++++++++------
 MatrixOrbital.c | 11 ++++++-----
 T6963.c         | 11 +++++++----
 3 files changed, 22 insertions(+), 15 deletions(-)

diff --git a/HD44780.c b/HD44780.c
index df8dce9..c97e3f9 100644
--- a/HD44780.c
+++ b/HD44780.c
@@ -1,4 +1,4 @@
-/* $Id: HD44780.c,v 1.42 2003/09/21 06:43:02 reinelt Exp $
+/* $Id: HD44780.c,v 1.43 2003/09/29 06:12:56 reinelt Exp $
  *
  * driver for display modules based on the HD44780 chip
  *
@@ -27,11 +27,14 @@
  *
  *
  * $Log: HD44780.c,v $
+ * Revision 1.43  2003/09/29 06:12:56  reinelt
+ * changed default HD44780 wiring: unused signals are GND
+ *
  * Revision 1.42  2003/09/21 06:43:02  reinelt
  *
  *
  * MatrixOrbital: bidirectional communication
- * HD44780: special handling for 16x1 displays (thanks to anonymous bug report on sf.net)
+ * HD44780: special handling for 16x1 displays (thanks to Maciej Witkowiak)
  *
  * Revision 1.41  2003/09/13 06:20:39  reinelt
  * HD44780 timings changed; deactivated libtool
@@ -485,15 +488,15 @@ int HD_init (LCD *Self)
   
   if (Bits==8) {
     if ((SIGNAL_RS      = parport_wire_ctrl ("RS",      "AUTOFD"))==0xff) return -1;
-    if ((SIGNAL_RW      = parport_wire_ctrl ("RW",      "GND")   )==0xff) return -1;
+    if ((SIGNAL_RW      = parport_wire_ctrl ("RW",      "GND"   ))==0xff) return -1;
     if ((SIGNAL_ENABLE  = parport_wire_ctrl ("ENABLE",  "STROBE"))==0xff) return -1;
-    if ((SIGNAL_ENABLE2 = parport_wire_ctrl ("ENABLE2", "SELECT"))==0xff) return -1;
-    if ((SIGNAL_GPO     = parport_wire_ctrl ("GPO",     "INIT")  )==0xff) return -1;
+    if ((SIGNAL_ENABLE2 = parport_wire_ctrl ("ENABLE2", "GND"   ))==0xff) return -1;
+    if ((SIGNAL_GPO     = parport_wire_ctrl ("GPO",     "GND"   ))==0xff) return -1;
   } else {
     if ((SIGNAL_RS      = parport_wire_data ("RS",      "DB4"))==0xff) return -1;
     if ((SIGNAL_RW      = parport_wire_data ("RW",      "DB5"))==0xff) return -1;
     if ((SIGNAL_ENABLE  = parport_wire_data ("ENABLE",  "DB6"))==0xff) return -1;
-    if ((SIGNAL_ENABLE2 = parport_wire_data ("ENABLE2", "DB7"))==0xff) return -1;
+    if ((SIGNAL_ENABLE2 = parport_wire_data ("ENABLE2", "GND"))==0xff) return -1;
     if ((SIGNAL_GPO     = parport_wire_data ("GPO",     "GND"))==0xff) return -1;
   }
   
diff --git a/MatrixOrbital.c b/MatrixOrbital.c
index b25bc37..ef3db4d 100644
--- a/MatrixOrbital.c
+++ b/MatrixOrbital.c
@@ -1,4 +1,4 @@
-/* $Id: MatrixOrbital.c,v 1.42 2003/09/21 06:43:02 reinelt Exp $
+/* $Id: MatrixOrbital.c,v 1.43 2003/09/29 06:12:56 reinelt Exp $
  *
  * driver for Matrix Orbital serial display modules
  *
@@ -20,11 +20,14 @@
  *
  *
  * $Log: MatrixOrbital.c,v $
+ * Revision 1.43  2003/09/29 06:12:56  reinelt
+ * changed default HD44780 wiring: unused signals are GND
+ *
  * Revision 1.42  2003/09/21 06:43:02  reinelt
  *
  *
  * MatrixOrbital: bidirectional communication
- * HD44780: special handling for 16x1 displays (thanks to anonymous bug report on sf.net)
+ * HD44780: special handling for 16x1 displays (thanks to Maciej Witkowiak)
  *
  * Revision 1.41  2003/09/13 06:45:43  reinelt
  * icons for all remaining drivers
@@ -272,7 +275,7 @@ static int MO_read (char *string, int len)
   }
   
   if (ret<0) {
-    error("Cwlinux: read() failed: %s", strerror(errno));
+    error("MatrixOrbital: read() failed: %s", strerror(errno));
   }
   
   return ret;
@@ -447,8 +450,6 @@ static int MO_init (LCD *Self, int protocol)
   usleep(100000);
   MO_read (buffer, 1);
   debug ("Version number=<0x%x>", *buffer);
-  
-
   #endif
 
   return 0;
diff --git a/T6963.c b/T6963.c
index d49768e..c53de19 100644
--- a/T6963.c
+++ b/T6963.c
@@ -1,4 +1,4 @@
-/* $Id: T6963.c,v 1.11 2003/09/13 06:45:43 reinelt Exp $
+/* $Id: T6963.c,v 1.12 2003/09/29 06:12:56 reinelt Exp $
  *
  * driver for display modules based on the Toshiba T6963 chip
  *
@@ -20,6 +20,9 @@
  *
  *
  * $Log: T6963.c,v $
+ * Revision 1.12  2003/09/29 06:12:56  reinelt
+ * changed default HD44780 wiring: unused signals are GND
+ *
  * Revision 1.11  2003/09/13 06:45:43  reinelt
  * icons for all remaining drivers
  *
@@ -110,7 +113,7 @@ void T6_status1 (void)
   
   // lower CE and RD
   parport_control (SIGNAL_CE | SIGNAL_RD, 0);
-
+  
   // Access Time: 150 ns 
   ndelay(150);
   
@@ -130,7 +133,7 @@ void T6_status1 (void)
   
   // Output Hold Time: 50 ns 
   ndelay(50);
-
+  
   // turn on data line drivers
   parport_direction (0);
 }
@@ -367,7 +370,7 @@ int T6_init (LCD *Self)
   if ((SIGNAL_WR=parport_wire_ctrl ("WR", "INIT")  )==0xff) return -1;
 
   if (parport_open() != 0) {
-    error ("HD44780: could not initialize parallel port!");
+    error ("T6963: could not initialize parallel port!");
     return -1;
   }
 
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