diff options
| author | reinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f> | 2004-05-22 04:21:02 +0000 |
|---|---|---|
| committer | reinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f> | 2004-05-22 04:21:02 +0000 |
| commit | da44a97d97f1a8f013ef2fdcf4f2c7ba72cc0cbd (patch) | |
| tree | 9749e51ff662754edbdc3572cb5e26a5afbfd0da | |
| parent | 0a673a43bcc01a37c2318e265796f85380445dc8 (diff) | |
| download | lcd4linux-da44a97d97f1a8f013ef2fdcf4f2c7ba72cc0cbd.tar.gz | |
[lcd4linux @ 2004-05-22 04:21:02 by reinelt]
fix for display RAM layout on 16x4 displays (thanks to toxicated101)
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@425 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
| -rw-r--r-- | drv_HD44780.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drv_HD44780.c b/drv_HD44780.c index 38c62a2..7f47915 100644 --- a/drv_HD44780.c +++ b/drv_HD44780.c @@ -1,4 +1,4 @@ -/* $Id: drv_HD44780.c,v 1.18 2004/03/20 07:31:32 reinelt Exp $ +/* $Id: drv_HD44780.c,v 1.19 2004/05/22 04:21:02 reinelt Exp $ * * new style driver for HD44780-based displays * @@ -29,6 +29,10 @@ * * * $Log: drv_HD44780.c,v $ + * Revision 1.19 2004/05/22 04:21:02 reinelt + * + * fix for display RAM layout on 16x4 displays (thanks to toxicated101) + * * Revision 1.18 2004/03/20 07:31:32 reinelt * support for HD66712 (which has a different RAM layout) * further threading development @@ -484,8 +488,8 @@ static void drv_HD_goto (int row, int col) // the HD66712 doesn't have a braindamadged RAM layout pos = row*32 + col; } else { - // 16x4 Displays use a slightly different layout - if (DCOLS==16 && DROWS==4) { + // 16*x Displays use a slightly different layout + if (DCOLS==16) { pos = (row%2)*64+(row/2)*16+col; } else { pos = (row%2)*64+(row/2)*20+col; |