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Revision 1.1, Mon Jan 7 20:24:48 2008 UTC (16 years, 3 months ago) by nbrk
Branch: MAIN
CVS Tags: HEAD 

initial bits of driver for Hitachi HD44780-compatible LCD controllers.
machine dependent part sits in p64lcd.c;
it doesn't initialize LCD properly - missed some timings, i think.

unfortunately, i have fryed my brand-new 16x4 LCD and can't continue work right now..
very sadly, R.I.P :(

/*
 * $Id: 44780reg.h,v 1.1 2008/01/07 20:24:48 nbrk Exp $
 */
#ifndef H44780REG_H
#define H44780REG_H

/*
 * 44780 commands.
 */
#define H44780_CMD_CLS		0x01
#define H44780_CMD_CR		0x02
#define H44780_CMD_SETDIR	0x04
	#define H44780_ID		1 << 1
	#define H44780_S		1
#define H44780_CMD_ENABLE	0x08
	#define H44780_D		1 << 2
	#define H44780_C		1 << 1
	#define H44780_B		1
#define H44780_CMD_SHIFT	0x10
	#define H44780_SC		1 << 3
	#define H44780_RL		1 << 2
#define H44780_CMD_IFLEN	0x20
	#define H44780_DL		1 << 4
	#define H44780_N		1 << 3
	#define H44780_F		1 << 2
/* TODO */

#endif