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Tried other init timing. Does this solve the init issue ?

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robijn
2002-02-07 22:14:30 +00:00
parent 15b226483a
commit 932d1f5c7b
1 changed files with 12 additions and 3 deletions
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server/drivers/hd44780-4bit.c
+12 -3
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@@ -126,7 +126,16 @@ hd_init_4bit (Driver *drvthis)
port_out (p->port, 0x03);
if (p->extIF)
port_out (p->port + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (p, 4100);
hd44780_functions->uPause (p, 15000);
port_out (p->port, enableLines | 0x03);
if (p->extIF)
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);
hd44780_functions->uPause (p, 5000);
port_out (p->port, enableLines | 0x03);
if (p->extIF)
@@ -144,7 +153,7 @@ hd_init_4bit (Driver *drvthis)
port_out (p->port, 0x03);
if (p->extIF)
port_out (p->port + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (p, 40);
hd44780_functions->uPause (p, 100);
// now in 8-bit mode... set 4-bit mode
port_out (p->port, 0x02);
@@ -157,7 +166,7 @@ hd_init_4bit (Driver *drvthis)
port_out (p->port, 0x02);
if (p->extIF)
port_out (p->port + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (p, 40);
hd44780_functions->uPause (p, 100);
// Set up two-line, small character (5x8) mode
hd44780_functions->senddata (p, 0, RS_INSTR, FUNCSET | TWOLINE | SMALLCHAR );