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authorreinelt <>2005-01-29 09:30:56 +0000
committerreinelt <>2005-01-29 09:30:56 +0000
commit2d48ef36661d92d603affc5ae9408de8ee242559 (patch)
treefd97dcbc54fcc4a849b9da8182e4361c244ca4f8
parentb285743489e7d237cb32fc3aaae0ffdad6c264a4 (diff)
downloadlcd4linux-2d48ef36661d92d603affc5ae9408de8ee242559.tar.gz
[lcd4linux @ 2005-01-29 09:30:56 by reinelt]
minor HD44780 cleanups
Diffstat (limited to '')
-rw-r--r--drv_HD44780.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drv_HD44780.c b/drv_HD44780.c
index 3796d28..14ee92a 100644
--- a/drv_HD44780.c
+++ b/drv_HD44780.c
@@ -1,4 +1,4 @@
-/* $Id: drv_HD44780.c,v 1.43 2005/01/18 06:30:23 reinelt Exp $
+/* $Id: drv_HD44780.c,v 1.44 2005/01/29 09:30:56 reinelt Exp $
*
* new style driver for HD44780-based displays
*
@@ -29,6 +29,9 @@
*
*
* $Log: drv_HD44780.c,v $
+ * Revision 1.44 2005/01/29 09:30:56 reinelt
+ * minor HD44780 cleanups
+ *
* Revision 1.43 2005/01/18 06:30:23 reinelt
* added (C) to all copyright statements
*
@@ -891,7 +894,7 @@ static void drv_HD_goto (int row, int col)
int pos;
/* handle multiple displays/controllers */
- if (numControllers>1 && row>=DROWS/2) {
+ if (numControllers > 1 && row >= DROWS/2) {
row -= DROWS/2;
currController = 2;
} else {
@@ -899,9 +902,9 @@ static void drv_HD_goto (int row, int col)
}
/* 16x1 Displays are organized as 8x2 :-( */
- if (DCOLS==16 && DROWS==1 && col>7) {
+ if (DCOLS == 16 && DROWS == 1 && col > 7) {
row++;
- col-=8;
+ col -= 8;
}
if (Capabilities & CAP_HD66712) {
@@ -909,10 +912,10 @@ static void drv_HD_goto (int row, int col)
pos = row*32 + col;
} else {
/* 16x4 Displays use a slightly different layout */
- if (DCOLS==16 && DROWS==4) {
- pos = (row%2)*64+(row/2)*16+col;
+ if (DCOLS == 16 && DROWS == 4) {
+ pos = (row%2)*64 + (row/2)*16 + col;
} else {
- pos = (row%2)*64+(row/2)*20+col;
+ pos = (row%2)*64 + (row/2)*20 + col;
}
}
drv_HD_command (currController, (0x80|pos), T_EXEC);
@@ -1233,7 +1236,7 @@ int drv_HD_init (const char *section, const int quiet)
YRES = 8; /* pixel height of one char */
CHARS = 8; /* number of user-defineable characters */
CHAR0 = 0; /* ASCII of first user-defineable char */
- GOTO_COST = 2; /* number of bytes a goto command requires */
+ GOTO_COST = 1; /* number of bytes a goto command requires */
/* real worker functions */
drv_generic_text_real_write = drv_HD_write;