diff options
| author | reinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f> | 2004-03-11 06:39:59 +0000 |
|---|---|---|
| committer | reinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f> | 2004-03-11 06:39:59 +0000 |
| commit | 7d5c275cb8df79637212dc89ab980dabfc39a6df (patch) | |
| tree | e3f51842280e06133de00726fa987765d4464f10 /drv_HD44780.c | |
| parent | a3501369a917c15bdba91811a32c271bbc5dc5b0 (diff) | |
| download | lcd4linux-7d5c275cb8df79637212dc89ab980dabfc39a6df.tar.gz | |
[lcd4linux @ 2004-03-11 06:39:58 by reinelt]
big patch from Martin:
- reuse filehandles
- memory leaks fixed
- earlier busy-flag checking with HD44780
- reuse memory for strings in RESULT and hash
- netdev_fast to wavid time-consuming regex
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@393 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
Diffstat (limited to 'drv_HD44780.c')
| -rw-r--r-- | drv_HD44780.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drv_HD44780.c b/drv_HD44780.c index f30f0c7..3b1abec 100644 --- a/drv_HD44780.c +++ b/drv_HD44780.c @@ -1,4 +1,4 @@ -/* $Id: drv_HD44780.c,v 1.15 2004/03/03 03:47:04 reinelt Exp $ +/* $Id: drv_HD44780.c,v 1.16 2004/03/11 06:39:58 reinelt Exp $ * * new style driver for HD44780-based displays * @@ -29,6 +29,14 @@ * * * $Log: drv_HD44780.c,v $ + * Revision 1.16 2004/03/11 06:39:58 reinelt + * big patch from Martin: + * - reuse filehandles + * - memory leaks fixed + * - earlier busy-flag checking with HD44780 + * - reuse memory for strings in RESULT and hash + * - netdev_fast to wavid time-consuming regex + * * Revision 1.15 2004/03/03 03:47:04 reinelt * big patch from Martin Hejl: * - use qprintf() where appropriate @@ -625,10 +633,6 @@ static int drv_HD_start (char *section) drv_HD_command (allControllers, 0x28, T_EXEC); // 4 Bit mode, 1/16 duty cycle, 5x8 font } - drv_HD_command (allControllers, 0x08, T_EXEC); // Display off, cursor off, blink off - drv_HD_command (allControllers, 0x0c, T_CLEAR); // Display on, cursor off, blink off, wait 1.64 ms - drv_HD_command (allControllers, 0x06, T_EXEC); // curser moves to right, no shift - // maybe use busy-flag from now on // (we can't use the busy flag during the init sequence) cfg_number(section, "UseBusy", 0, 0, 1, &UseBusy); @@ -650,6 +654,10 @@ static int drv_HD_start (char *section) info("%s: %susing busy-flag checking", Name, UseBusy?"":"not "); free(strsize); + drv_HD_command (allControllers, 0x08, T_EXEC); // Display off, cursor off, blink off + drv_HD_command (allControllers, 0x0c, T_CLEAR); // Display on, cursor off, blink off, wait 1.64 ms + drv_HD_command (allControllers, 0x06, T_EXEC); // curser moves to right, no shift + drv_HD_command (allControllers, 0x01, T_CLEAR); // clear *both* displays drv_HD_command (allControllers, 0x03, T_CLEAR); // return home |