mangavalk/lcdproc
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- Added HD44780 incremental LCD update.

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- Minor fix to 4bit.
This commit is contained in:
robijn
2001-11-15 19:30:17 +00:00
parent a2ffbde152
commit 392506b384
2 changed files with 40 additions and 10 deletions
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server/drivers/hd44780-4bit.c
+8 -1
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@@ -117,9 +117,9 @@ hd_init_4bit (HD44780_functions * hd44780_functions, lcd_logical_driver * driver
enableLines |= EN3;
port_out (lptPort + 2, 0 ^ OUTMASK);
}
port_out (lptPort, 0x03);
if( delayBus ) hd44780_functions->uPause (1);
port_out (lptPort, enableLines | 0x03);
if (extIF)
port_out (lptPort + 2, ALLEXT ^ OUTMASK);
@@ -148,6 +148,9 @@ hd_init_4bit (HD44780_functions * hd44780_functions, lcd_logical_driver * driver
hd44780_functions->uPause (40);
// now in 8-bit mode... set 4-bit mode
port_out (lptPort, 0x02);
if( delayBus ) hd44780_functions->uPause (1);
port_out (lptPort, enableLines | 0x02);
if (extIF)
port_out (lptPort + 2, ALLEXT ^ OUTMASK);
@@ -157,6 +160,10 @@ hd_init_4bit (HD44780_functions * hd44780_functions, lcd_logical_driver * driver
port_out (lptPort + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (40);
// Set up two-line, small character (5x8) mode
hd44780_functions->senddata (0, RS_INSTR, FUNCSET | TWOLINE | SMALLCHAR );
hd44780_functions->uPause (40);
common_init ();
if (have_keypad) {