[lcd4linux @ 2003-09-29 06:12:56 by reinelt]

changed default HD44780 wiring: unused signals are GND

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;
   }