Header file for the HD44780 controller. More...

Macros
#define	HD44780_CLEARDISPLAY 0x01

#define	HD44780_RETURNHOME 0x02

#define	HD44780_ENTRYMODESET 0x04

#define	HD44780_INCREMENT 0x02

#define	HD44780_DECREMENT 0x00

#define	HD44780_SHIFTON 0x01

#define	HD44780_SHIFTOFF 0x00

#define	HD44780_DISPLAYCONTROL 0x08

#define	HD44780_DISPLAYON 0x04

#define	HD44780_DISPLAYOFF 0x00

#define	HD44780_CURSORON 0x02

#define	HD44780_CURSOROFF 0x00

#define	HD44780_BLINKON 0x01

#define	HD44780_BLINKOFF 0x00

#define	HD44780_CURSORCONTROL 0x10

#define	HD44780_DISPLAYSHIFT 0x08

#define	HD44780_CURSORMOVE 0x00

#define	HD44780_RIGHT 0x04

#define	HD44780_LEFT 0x00

#define	HD44780_FUNCTIONSET 0x20

#define	HD44780_8BITMODE 0x10

#define	HD44780_4BITMODE 0x00

#define	HD44780_2LINES 0x08

#define	HD44780_1LINE 0x00

#define	HD44780_5x10DOTS 0x04

#define	HD44780_5x8DOTS 0x00

#define	HD44780_SETCGRAMADDR 0x40

#define	HD44780_CGRAMADDR(ADDR) ((ADDR) & 0x3F)

#define	HD44780_SETDDRAMADDR 0x80

#define	HD44780_DDRAMADDR(ADDR) ((ADDR) & 0x7F)

Detailed Description

Header file for the HD44780 controller.

This file defines mnemonics for the opcodes of the HD44780 controller. Please see page 24 of the HD44780 data sheet for the details.

Author: Wolfgang Neff

Version: 1.1

Date: 2017-11-19

History: Created: 2013-06-23
Modified: 2017-11-19

Macro Definition Documentation

◆ HD44780_1LINE

#define HD44780_1LINE 0x00

◆ HD44780_2LINES

#define HD44780_2LINES 0x08

◆ HD44780_4BITMODE

#define HD44780_4BITMODE 0x00

◆ HD44780_5x10DOTS

#define HD44780_5x10DOTS 0x04

◆ HD44780_5x8DOTS

#define HD44780_5x8DOTS 0x00

◆ HD44780_8BITMODE

#define HD44780_8BITMODE 0x10

◆ HD44780_BLINKOFF

#define HD44780_BLINKOFF 0x00

◆ HD44780_BLINKON

#define HD44780_BLINKON 0x01

◆ HD44780_CGRAMADDR

#define HD44780_CGRAMADDR ( ADDR ) ((ADDR) & 0x3F)

◆ HD44780_CLEARDISPLAY

#define HD44780_CLEARDISPLAY 0x01

◆ HD44780_CURSORCONTROL

#define HD44780_CURSORCONTROL 0x10

◆ HD44780_CURSORMOVE

#define HD44780_CURSORMOVE 0x00

◆ HD44780_CURSOROFF

#define HD44780_CURSOROFF 0x00

◆ HD44780_CURSORON

#define HD44780_CURSORON 0x02

◆ HD44780_DDRAMADDR

#define HD44780_DDRAMADDR ( ADDR ) ((ADDR) & 0x7F)

◆ HD44780_DECREMENT

#define HD44780_DECREMENT 0x00

◆ HD44780_DISPLAYCONTROL

#define HD44780_DISPLAYCONTROL 0x08

◆ HD44780_DISPLAYOFF

#define HD44780_DISPLAYOFF 0x00

◆ HD44780_DISPLAYON

#define HD44780_DISPLAYON 0x04

◆ HD44780_DISPLAYSHIFT

#define HD44780_DISPLAYSHIFT 0x08

◆ HD44780_ENTRYMODESET

#define HD44780_ENTRYMODESET 0x04

◆ HD44780_FUNCTIONSET

#define HD44780_FUNCTIONSET 0x20

◆ HD44780_INCREMENT

#define HD44780_INCREMENT 0x02

◆ HD44780_LEFT

#define HD44780_LEFT 0x00

◆ HD44780_RETURNHOME

#define HD44780_RETURNHOME 0x02

◆ HD44780_RIGHT

#define HD44780_RIGHT 0x04

◆ HD44780_SETCGRAMADDR

#define HD44780_SETCGRAMADDR 0x40

◆ HD44780_SETDDRAMADDR

#define HD44780_SETDDRAMADDR 0x80

◆ HD44780_SHIFTOFF

#define HD44780_SHIFTOFF 0x00

◆ HD44780_SHIFTON

#define HD44780_SHIFTON 0x01

Macros