hd44780.c

References Functions:	LcdClear()	nut/arch/avr/dev/hd44780.c
	LcdCursorHome()	nut/arch/avr/dev/hd44780.c
	LcdCursorLeft()	nut/arch/avr/dev/hd44780.c
	LcdCursorMode()	nut/arch/avr/dev/hd44780.c
	LcdCursorRight()	nut/arch/avr/dev/hd44780.c
	LcdInit()	nut/arch/avr/dev/hd44780.c
	LcdSetCursor()	nut/arch/avr/dev/hd44780.c
	LcdWriteCmd()	nut/arch/avr/dev/hd44780.c
	LcdWriteData()	nut/arch/avr/dev/hd44780.c
	TermClose(), TermIOCtl(), TermInit(), TermOpen(), TermWrite(), TermWrite_P()
References Variables:	dcb_term	nut/arch/avr/dev/hd44780.c

Included Files

#include </usr/avr/include/stdlib.h>

#include </usr/avr/include/string.h>

#include <nut/include/cfg/arch/avr.h>

#include <nut/include/dev/hd44780.h>

#include <nut/include/dev/term.h>

#include <nut/include/sys/timer.h>

Preprocessor definitions

#define LCD_ROWS 2

#define LCD_COLS 16

#define LCD_DATA_PORT PORTD

#define LCD_DATA_PIN PIND

#define LCD_DATA_DDR DDRD

#define LCD_DATA_BITS 0xF0

#define LCD_ENABLE_PORT PORTE

#define LCD_ENABLE_DDR DDRE

#define LCD_ENABLE_BIT 3

#define LCD_REGSEL_PORT PORTE

#define LCD_REGSEL_DDR DDRE

#define LCD_REGSEL_BIT 2

#define LCD_SHORT_DELAY 1

#define LCD_LONG_DELAY 2

#define LCD_DELAY

Global Variable dcb_term

TERMDCB dcb_term

Visible in:		nut/arch/arm/dev/hd44780_at91.c
		nut/arch/avr/dev/hd44780.c
Used in:		nut/arch/arm/dev/hd44780_at91.c
		nut/arch/avr/dev/hd44780.c

Global Variable devLcd

NUTDEVICE devLcd

Visible in:		nut/arch/arm/dev/hd44780_at91.c
		nut/arch/avr/dev/hd44780.c

Local Variables

during_init
static uint8_t during_init

Used in:	LcdDelay()
	LcdInit()

Local Function LcdClear()

static void LcdClear ( void )

Calls:	LcdWriteCmd()	nut/arch/avr/dev/hd44780.c
Used in:		nut/arch/avr/dev/hd44780.c

Local Function LcdCursorHome()

static void LcdCursorHome ( void )

Calls:	LcdWriteCmd()	nut/arch/avr/dev/hd44780.c
Used in:		nut/arch/avr/dev/hd44780.c

Local Function LcdCursorLeft()

static void LcdCursorLeft ( void )

Calls:	LcdWriteCmd()	nut/arch/avr/dev/hd44780.c
Used in:		nut/arch/avr/dev/hd44780.c

Local Function LcdCursorMode()

static void LcdCursorMode ( uint8_t on )

Calls:	LcdWriteCmd()	nut/arch/avr/dev/hd44780.c
Used in:		nut/arch/avr/dev/hd44780.c

Local Function LcdCursorRight()

static void LcdCursorRight ( void )

Calls:	LcdWriteCmd()	nut/arch/avr/dev/hd44780.c
Used in:		nut/arch/avr/dev/hd44780.c

Local Function LcdDelay()

static void LcdDelay ( uint8_t xt )

Calls:	NutDelay(), NutSleep()
Called by:	LcdInit()	nut/arch/avr/dev/hd44780.c
	LcdSendByte()	nut/arch/avr/dev/hd44780.c
References Variables:	during_init	nut/arch/avr/dev/hd44780.c

Local Function LcdInit()

static void LcdInit ( NUTDEVICE* dev )

Calls:	LcdDelay()	nut/arch/avr/dev/hd44780.c
	LcdSendNibble()	nut/arch/avr/dev/hd44780.c
	LcdWriteCmd()	nut/arch/avr/dev/hd44780.c
Used in:		nut/arch/avr/dev/hd44780.c
References Variables:	during_init	nut/arch/avr/dev/hd44780.c

Local Function LcdSendByte()

static inline void LcdSendByte ( uint8_t ch, uint8_t xt )

Calls:	LcdDelay()	nut/arch/avr/dev/hd44780.c
	LcdSendNibble()	nut/arch/avr/dev/hd44780.c
Called by:	LcdWriteCmd()	nut/arch/avr/dev/hd44780.c
	LcdWriteData()	nut/arch/avr/dev/hd44780.c

Local Function LcdSendNibble()

static inline void LcdSendNibble ( uint8_t nib )

Called by:	LcdInit()	nut/arch/avr/dev/hd44780.c
	LcdSendByte()	nut/arch/avr/dev/hd44780.c

Local Function LcdSetCursor()

static void LcdSetCursor ( uint8_t pos )

Calls:	LcdWriteCmd()	nut/arch/avr/dev/hd44780.c
Used in:		nut/arch/avr/dev/hd44780.c

Local Function LcdWriteCmd()

static void LcdWriteCmd ( uint8_t cmd, uint8_t xt )

Calls:	LcdSendByte()	nut/arch/avr/dev/hd44780.c
Called by:	LcdClear()	nut/arch/avr/dev/hd44780.c
	LcdCursorHome()	nut/arch/avr/dev/hd44780.c
	LcdCursorLeft()	nut/arch/avr/dev/hd44780.c
	LcdCursorMode()	nut/arch/avr/dev/hd44780.c
	LcdCursorRight()	nut/arch/avr/dev/hd44780.c
	LcdInit()	nut/arch/avr/dev/hd44780.c
	LcdSetCursor()	nut/arch/avr/dev/hd44780.c
Used in:		nut/arch/avr/dev/hd44780.c

Local Function LcdWriteData()

static void LcdWriteData ( uint8_t ch )

Calls:	LcdSendByte()	nut/arch/avr/dev/hd44780.c
Used in:		nut/arch/avr/dev/hd44780.c