Register definitions for the AIP31068 I2C LCD controller. More...

Detailed Description

Register definitions for the AIP31068 I2C LCD controller.

Author: Hendrik van Essen hendr.nosp@m.ik.v.nosp@m.e@fu-.nosp@m.berl.nosp@m.in.de

Definition in file aip31068_regs.h.

#include "bitarithm.h"

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#define	AIP31068_CMD_CLEAR_DISPLAY 0x01
	Clears entire display and sets cursor to position (0, 0). More...

#define	AIP31068_CMD_RETURN_HOME 0x02
	Sets cursor to position (0, 0) and resets display to original position before any shift operations.

#define	AIP31068_CMD_ENTRY_MODE_SET 0x04
	Sets cursor move direction and specifies display shift.

#define	AIP31068_CMD_DISPLAY_CONTROL 0x08
	Sets entire display on/off, cursor on/off, and blinking of cursor position character on/off.

#define	AIP31068_CMD_CURSOR_DISPLAY_SHIFT 0x10
	Moves cursor and shifts display.

#define	AIP31068_CMD_FUNCTION_SET 0x20
	Sets interface data length, number of display lines and character font size.

#define	AIP31068_CMD_SET_CGRAM_ADDR 0x40
	Sets CGRAM address.

#define	AIP31068_CMD_SET_DDRAM_ADDR 0x80
	Sets DDRAM address.

#define	AIP31068_BIT_ENTRY_MODE_INCREMENT BIT1
	0 = Decrement cursor after insertion 1 = Increment cursor after insertion

#define	AIP31068_BIT_ENTRY_MODE_AUTOINCREMENT BIT0
	0 = No automated display scroll 1 = Automated display scroll

#define	AIP31068_BIT_DISPLAY_CONTROL_DISPLAY BIT2
	0 = Display off 1 = Display on

#define	AIP31068_BIT_DISPLAY_CONTROL_CURSOR BIT1
	0 = Cursor off 1 = Cursor on

#define	AIP31068_BIT_DISPLAY_CONTROL_CURSOR_BLINKING BIT0
	0 = Cursor blinking off 1 = Cursor blinking on

#define	AIP31068_BIT_CURSOR_DISPLAY_SHIFT_SELECTION BIT3
	0 = Shift the cursor position 1 = Scroll the display content

#define	AIP31068_BIT_CURSOR_DISPLAY_SHIFT_DIRECTION BIT2
	0 = Shift to the left 1 = Shift to the right

#define	AIP31068_BIT_FUNCTION_SET_BITMODE BIT4
	0 = 4 bit interface data length 1 = 8 bit interface data length

#define	AIP31068_BIT_FUNCTION_SET_LINECOUNT BIT3
	0 = Single line 1 = Two lines

#define	AIP31068_BIT_FUNCTION_SET_FONTSIZE BIT2
	0 = 5x8 dots per character 1 = 5x10 dots per character

#define	AIP31068_BIT_CONTROL_BYTE_CO BIT7
	0 = Last control byte 1 = Another control byte follows data byte

#define	AIP31068_BIT_CONTROL_BYTE_RS BIT6
	0 = data byte interpreted as command 1 = data byte interpreted as data

Macro Definition Documentation

◆ AIP31068_CMD_CLEAR_DISPLAY

#define AIP31068_CMD_CLEAR_DISPLAY 0x01

Clears entire display and sets cursor to position (0, 0).

Note: : Also changes AIP31068_BIT_ENTRY_MODE_INCREMENT to 1

Definition at line 34 of file aip31068_regs.h.