mangavalk/lcdproc
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Added ExtendedMode functionality. Solves 'A-type' or KS0073 issue.

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This commit is contained in:
robijn
2004-02-09 22:21:49 +00:00
parent 80aa4d3d1e
commit 6161531e3c
8 changed files with 85 additions and 70 deletions
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server/drivers/hd44780-4bit.c
+23 -35
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@@ -99,7 +99,7 @@ hd_init_4bit (Driver *drvthis)
PrivateData *p = (PrivateData*) drvthis->private_data;
HD44780_functions *hd44780_functions = p->hd44780_functions;
int enableLines = EN1 | EN2;
int enableLines = EN1 | EN2 | EN3;
// Reserve the port registers
port_access_multiple(p->port,3);
@@ -109,47 +109,38 @@ hd_init_4bit (Driver *drvthis)
hd44780_functions->readkeypad = lcdstat_HD44780_readkeypad;
// powerup the lcd now
if (p->extIF) {
enableLines |= EN3;
port_out (p->port + 2, 0 ^ OUTMASK);
}
port_out (p->port + 2, 0 ^ OUTMASK);
port_out (p->port, 0x03);
if( p->delayBus ) hd44780_functions->uPause (p, 1);
/* We'll now send 0x03 a coulpe of times,
* which is in fact (FUNCSET | IF_8BIT) >> 4 */
port_out (p->port, enableLines | 0x03);
if (p->extIF)
port_out (p->port + 2, ALLEXT ^ OUTMASK);
port_out (p->port + 2, ALLEXT ^ OUTMASK);
if( p->delayBus ) hd44780_functions->uPause (p, 1);
port_out (p->port, 0x03);
if (p->extIF)
port_out (p->port + 2, 0 ^ OUTMASK);
port_out (p->port + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (p, 15000);
port_out (p->port, enableLines | 0x03);
if (p->extIF)
port_out (p->port + 2, ALLEXT ^ OUTMASK);
port_out (p->port + 2, ALLEXT ^ OUTMASK);
if( p->delayBus ) hd44780_functions->uPause (p, 1);
port_out (p->port, 0x03);
if (p->extIF)
port_out (p->port + 2, 0 ^ OUTMASK);
port_out (p->port + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (p, 5000);
port_out (p->port, enableLines | 0x03);
if (p->extIF)
port_out (p->port + 2, ALLEXT ^ OUTMASK);
port_out (p->port + 2, ALLEXT ^ OUTMASK);
if( p->delayBus ) hd44780_functions->uPause (p, 1);
port_out (p->port, 0x03);
if (p->extIF)
port_out (p->port + 2, 0 ^ OUTMASK);
port_out (p->port + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (p, 100);
port_out (p->port, enableLines | 0x03);
if (p->extIF)
port_out (p->port + 2, ALLEXT ^ OUTMASK);
port_out (p->port + 2, ALLEXT ^ OUTMASK);
if( p->delayBus ) hd44780_functions->uPause (p, 1);
port_out (p->port, 0x03);
if (p->extIF)
port_out (p->port + 2, 0 ^ OUTMASK);
port_out (p->port + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (p, 100);
// now in 8-bit mode... set 4-bit mode
@@ -157,19 +148,17 @@ hd_init_4bit (Driver *drvthis)
if( p->delayBus ) hd44780_functions->uPause (p, 1);
port_out (p->port, enableLines | 0x02);
if (p->extIF)
port_out (p->port + 2, ALLEXT ^ OUTMASK);
port_out (p->port + 2, ALLEXT ^ OUTMASK);
if( p->delayBus ) hd44780_functions->uPause (p, 1);
port_out (p->port, 0x02);
if (p->extIF)
port_out (p->port + 2, 0 ^ OUTMASK);
port_out (p->port + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (p, 100);
// Set up two-line, small character (5x8) mode
hd44780_functions->senddata (p, 0, RS_INSTR, FUNCSET | TWOLINE | SMALLCHAR );
hd44780_functions->senddata (p, 0, RS_INSTR, FUNCSET | IF_4BIT | TWOLINE | SMALLCHAR );
hd44780_functions->uPause (p, 40);
common_init (p);
common_init (p, IF_4BIT);
if (p->have_keypad) {
// Remember which input lines are stuck
@@ -196,10 +185,7 @@ lcdstat_HD44780_senddata (PrivateData *p, unsigned char displayID, unsigned char
if (displayID <= 3) {
if (displayID == 0) {
enableLines = EnMask[0] | EnMask[1];
if (p->extIF) {
enableLines |= EnMask[2];
}
enableLines = EnMask[0] | EnMask[1] | EnMask[2];
} else {
enableLines = EnMask[displayID - 1];
}
@@ -217,11 +203,12 @@ lcdstat_HD44780_senddata (PrivateData *p, unsigned char displayID, unsigned char
port_out (p->port, portControl | l);
}
if (p->extIF && (displayID == 0 || displayID >= 4)) {
if (displayID == 0)
if (p->numDisplays > 3) {
if (displayID == 0) {
enableLines = ALLEXT;
else
} else {
enableLines = EnMask[(displayID - 1)];
}
port_out (p->port, portControl | h);
if( p->delayBus ) p->hd44780_functions->uPause (p, 1);
@@ -251,7 +238,8 @@ unsigned char lcdstat_HD44780_readkeypad (PrivateData *p, unsigned int YData)
// 10 bits output or 6 bits if >=3 displays
// Convert the positive logic to the negative logic on the LPT port
port_out (p->port, ~YData & 0x003F );
if (!p->extIF) {
if (p->numDisplays<=3) {
// Can't combine >3 displays with >6 keypad output lines
port_out (p->port + 2, ( ((~YData & 0x03C0) << 6 )) ^ OUTMASK);
}
if( p->delayBus ) p->hd44780_functions->uPause (p, 1);