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authornicowallmeier <>2003-10-08 06:48:47 +0000
committernicowallmeier <>2003-10-08 06:48:47 +0000
commit103b74d6953bb6a644e8aa4d905c9c0a17ee7055 (patch)
treeeb85fb4a572016a9595d9d079bbb87dc7d3b25fa
parent7c7bb0c3cdcbdfc2f7aef3ff6c089ac94e586e74 (diff)
downloadlcd4linux-103b74d6953bb6a644e8aa4d905c9c0a17ee7055.tar.gz
[lcd4linux @ 2003-10-08 06:48:47 by nicowallmeier]
special handling for 16x4 displays
-rw-r--r--HD44780.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/HD44780.c b/HD44780.c
index 85781d4..931e492 100644
--- a/HD44780.c
+++ b/HD44780.c
@@ -1,4 +1,4 @@
-/* $Id: HD44780.c,v 1.45 2003/10/08 06:45:00 nicowallmeier Exp $
+/* $Id: HD44780.c,v 1.46 2003/10/08 06:48:47 nicowallmeier Exp $
*
* driver for display modules based on the HD44780 chip
*
@@ -29,6 +29,9 @@
*
*
* $Log: HD44780.c,v $
+ * Revision 1.46 2003/10/08 06:48:47 nicowallmeier
+ * special handling for 16x4 displays
+ *
* Revision 1.45 2003/10/08 06:45:00 nicowallmeier
* Support of two displays of the same size
*
@@ -575,7 +578,12 @@ void HD_goto (int row, int col)
col-=8;
}
- pos=(row%2)*64+(row/2)*20+col;
+ if (Lcd.rows==4 && Lcd.cols==16) {
+ pos=(row%2)*64+(row/2)*16+col;
+ } else {
+ pos=(row%2)*64+(row/2)*20+col;
+ }
+
HD_command (Controller, (0x80|pos), T_EXEC);
}