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[lcd4linux @ 2001-03-14 16:47:41 by reinelt]

Browse Source 
minor cleanups

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@120 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
reinelt
2001-03-14 16:47:41 +00:00
parent 3ede643c6a
commit 6332ea0ded
3 changed files with 59 additions and 41 deletions
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CREDITS
+6
View File
@@ -3,6 +3,12 @@ Herbert Rosmanith <herp@wildsau.idv-edu.uni-linz.ac.at>
CrystalFontz driver
lots of ideas and bugfixes
Leopold Tötsch <lt@toetsch.at>
PNG driver
POP & IMAP client
simple web interface
lots of (well, sometimes too much :-) ideas
Michael Mueller <m.mueller@netsystec.de>
support for Beckmann & Egle driver
HD44780.c
+46 -41
View File
@@ -1,4 +1,4 @@
/* $Id: HD44780.c,v 1.16 2001/03/14 15:30:53 reinelt Exp $
/* $Id: HD44780.c,v 1.17 2001/03/14 16:47:41 reinelt Exp $
*
* driver for display modules based on the HD44780 chip
*
@@ -20,6 +20,9 @@
*
*
* $Log: HD44780.c,v $
* Revision 1.17 2001/03/14 16:47:41 reinelt
* minor cleanups
*
* Revision 1.16 2001/03/14 15:30:53 reinelt
*
* make ppdev compatible to earlier kernels
@@ -219,19 +222,18 @@ static void HD_command (unsigned char cmd, int delay)
// wait
udelay(delay);
} else {
} else
#endif
outb (cmd, Port); // put data on DB1..DB8
outb (0x02, Port+2); // set Enable = bit 0 invertet
udelay (1);
outb (0x03, Port+2); // clear Enable
udelay (delay);
{
outb (cmd, Port); // put data on DB1..DB8
outb (0x02, Port+2); // set Enable = bit 0 invertet
udelay (1);
outb (0x03, Port+2); // clear Enable
udelay (delay);
#ifdef WITH_PPDEV
}
#endif
}
}
static void HD_write (char *string, int len, int delay)
@@ -259,26 +261,27 @@ static void HD_write (char *string, int len, int delay)
udelay(delay);
}
} else {
} else
#endif
while (len--) {
outb (*string++, Port); // put data on DB1..DB8
outb (0x00, Port+2); // set Enable = bit 0 invertet
udelay (1);
outb (0x01, Port+2); // clear Enable
udelay (delay);
{
while (len--) {
outb (*string++, Port); // put data on DB1..DB8
outb (0x00, Port+2); // set Enable = bit 0 invertet
udelay (1);
outb (0x01, Port+2); // clear Enable
udelay (delay);
}
}
#ifdef WITH_PPDEV
}
#endif
}
static void HD_setGPO (int bits)
{
if (Lcd.gpos>0) {
#ifdef WITH_PPDEV
if (PPdev) {
// put data on DB1..DB8
@@ -287,25 +290,24 @@ static void HD_setGPO (int bits)
// toggle INIT
HD_toggle(PARPORT_CONTROL_INIT);
} else {
#endif
outb (bits, Port); // put data on DB1..DB8
outb (0x05, Port+2); // set INIT = bit 2 invertet
udelay (1);
outb (0x03, Port+2); // clear INIT
udelay (1);
#ifdef WITH_PPDEV
}
} else
#endif
{
outb (bits, Port); // put data on DB1..DB8
outb (0x05, Port+2); // set INIT = bit 2 invertet
udelay (1);
outb (0x03, Port+2); // clear INIT
udelay (1);
}
}
}
static int HD_open (void)
{
#ifdef WITH_PPDEV
if (PPdev) {
debug ("using ppdev %s", PPdev);
PPfd=open(PPdev, O_RDWR);
@@ -313,7 +315,9 @@ static int HD_open (void)
error ("open(%s) failed: %s", PPdev, strerror(errno));
return -1;
}
#if 0
// FIXME: This doesn't work for some reason...
if (ioctl(PPfd, PPEXCL)) {
error ("ioctl(%s, PPEXCL) failed: %s", PPdev, strerror(errno));
return -1;
@@ -323,17 +327,18 @@ static int HD_open (void)
error ("ioctl(%s, PPCLAIM) failed: %s", PPdev, strerror(errno));
return -1;
}
} else {
#endif
debug ("using raw port 0x%x", Port);
if (ioperm(Port, 3, 1)!=0) {
error ("HD44780: ioperm(0x%x) failed: %s", Port, strerror(errno));
return -1;
}
#ifdef WITH_PPDEV
}
} else
#endif
{
debug ("using raw port 0x%x", Port);
if (ioperm(Port, 3, 1)!=0) {
error ("HD44780: ioperm(0x%x) failed: %s", Port, strerror(errno));
return -1;
}
}
HD_command (0x30, 4100); // 8 Bit mode, wait 4.1 ms
HD_command (0x30, 100); // 8 Bit mode, wait 100 us
HD_command (0x30, 4100); // 8 Bit mode, wait 4.1 ms
TODO
+7
View File
@@ -70,3 +70,10 @@ remove USE_OLD_UDELAY after wide testing of new udelay code
2001-03-14 Leopold Toetsch <lt@toetsch.at>
improve unseen for mbox (check Status:)
2001-03-14 Michael Reinelt <reinelt@eunet.at>
add a new Token 'nc' for 'network collisions'
2001-03-14 Michael Reinelt <reinelt@eunet.at>
add translation tables ('german umlauts' don't
follow any scheme on most displays)