hd44780_at91.c

References Functions:	LcdClear()	nut/arch/arm/dev/hd44780_at91.c
	LcdCursorHome()	nut/arch/arm/dev/hd44780_at91.c
	LcdCursorLeft()	nut/arch/arm/dev/hd44780_at91.c
	LcdCursorMode()	nut/arch/arm/dev/hd44780_at91.c
	LcdCursorRight()	nut/arch/arm/dev/hd44780_at91.c
	LcdInit()	nut/arch/arm/dev/hd44780_at91.c
	LcdSetCursor()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteData()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteInstruction()	nut/arch/arm/dev/hd44780_at91.c
	TermClose(), TermIOCtl(), TermInit(), TermOpen(), TermWrite()
References Variables:	dcb_term	nut/arch/arm/dev/hd44780_at91.c

Included Files

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

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

#include <nut/include/cfg/lcd.h>

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

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

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

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

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

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

Preprocessor definitions

#define LCD_2x16

#define LCD_ROWS 2

#define LCD_COLS 16

#define LCD_PIO_ID PIO_ID

#define LCD_PIO_PE_REG PIO_PER

#define LCD_PIO_OE_REG PIO_OER

#define LCD_PIO_SOD_REG PIO_SODR

#define LCD_PIO_COD_REG PIO_CODR

#define LCD_DATA_LSB 0

#define LCD_DATA

#define LCD_EN

#define LCD_RS

#define LCD_SHORT_DELAY 10

#define LCD_LONG_DELAY 1000

Global Variable dcb_term

TERMDCB dcb_term

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

Global Variable devLcd

NUTDEVICE devLcd

Visible in:

nut/arch/arm/dev/hd44780_at91.c

Local Function LcdClear()

static void LcdClear ( void )

Calls:	LcdDelay()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteCmd()	nut/arch/arm/dev/hd44780_at91.c
Called by:	LcdInit()	nut/arch/arm/dev/hd44780_at91.c
Used in:		nut/arch/arm/dev/hd44780_at91.c

Local Function LcdClrBits()

static inline void LcdClrBits ( unsigned int mask )

Calls:	outr()
Called by:	LcdInit()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteCmd()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteNibble()	nut/arch/arm/dev/hd44780_at91.c

Local Function LcdCursorHome()

static void LcdCursorHome ( void )

Calls:	LcdDelay()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteCmd()	nut/arch/arm/dev/hd44780_at91.c
Called by:	LcdInit()	nut/arch/arm/dev/hd44780_at91.c
Used in:		nut/arch/arm/dev/hd44780_at91.c

Local Function LcdCursorLeft()

static void LcdCursorLeft ( void )

Calls:	LcdWriteCmd()	nut/arch/arm/dev/hd44780_at91.c
Used in:		nut/arch/arm/dev/hd44780_at91.c

Local Function LcdCursorMode()

static void LcdCursorMode ( uint8_t on )

Calls:	LcdDelay()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteCmd()	nut/arch/arm/dev/hd44780_at91.c
Used in:		nut/arch/arm/dev/hd44780_at91.c

Local Function LcdCursorRight()

static void LcdCursorRight ( void )

Calls:	LcdWriteCmd()	nut/arch/arm/dev/hd44780_at91.c
Used in:		nut/arch/arm/dev/hd44780_at91.c

Local Function LcdDelay()

static void LcdDelay ( unsigned int cycles )

Called by:	LcdClear()	nut/arch/arm/dev/hd44780_at91.c
	LcdCursorHome()	nut/arch/arm/dev/hd44780_at91.c
	LcdCursorMode()	nut/arch/arm/dev/hd44780_at91.c
	LcdInit()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteNibble()	nut/arch/arm/dev/hd44780_at91.c

Local Function LcdInit()

static void LcdInit ( NUTDEVICE* dev )

Calls:	LcdClear()	nut/arch/arm/dev/hd44780_at91.c
	LcdClrBits()	nut/arch/arm/dev/hd44780_at91.c
	LcdCursorHome()	nut/arch/arm/dev/hd44780_at91.c
	LcdDelay()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteCmd()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteNibble()	nut/arch/arm/dev/hd44780_at91.c
	NutSleep(), outr()
Used in:		nut/arch/arm/dev/hd44780_at91.c

Local Function LcdSetBits()

static inline void LcdSetBits ( unsigned int mask )

Calls:	outr()
Called by:	LcdWriteData()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteNibble()	nut/arch/arm/dev/hd44780_at91.c

Local Function LcdSetCursor()

static void LcdSetCursor ( uint8_t pos )

Calls:	LcdWriteCmd()	nut/arch/arm/dev/hd44780_at91.c
Used in:		nut/arch/arm/dev/hd44780_at91.c

Local Function LcdWaitReady()

static void LcdWaitReady ( unsigned int delay )

Called by:

LcdWriteByte()

nut/arch/arm/dev/hd44780_at91.c

Local Function LcdWriteByte()

static void LcdWriteByte ( unsigned int data )

Calls:	LcdWaitReady()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteNibble()	nut/arch/arm/dev/hd44780_at91.c
Called by:	LcdWriteCmd()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteData()	nut/arch/arm/dev/hd44780_at91.c

Local Function LcdWriteCmd()

static void LcdWriteCmd ( uint8_t cmd )

Calls:	LcdClrBits()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteByte()	nut/arch/arm/dev/hd44780_at91.c
Called by:	LcdClear()	nut/arch/arm/dev/hd44780_at91.c
	LcdCursorHome()	nut/arch/arm/dev/hd44780_at91.c
	LcdCursorLeft()	nut/arch/arm/dev/hd44780_at91.c
	LcdCursorMode()	nut/arch/arm/dev/hd44780_at91.c
	LcdCursorRight()	nut/arch/arm/dev/hd44780_at91.c
	LcdInit()	nut/arch/arm/dev/hd44780_at91.c
	LcdSetCursor()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteInstruction()	nut/arch/arm/dev/hd44780_at91.c

Local Function LcdWriteData()

static void LcdWriteData ( uint8_t data )

Calls:	LcdSetBits()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteByte()	nut/arch/arm/dev/hd44780_at91.c
Used in:		nut/arch/arm/dev/hd44780_at91.c

Local Function LcdWriteInstruction()

static void LcdWriteInstruction ( uint8_t cmd, uint8_t xt )

Calls:	LcdWriteCmd()	nut/arch/arm/dev/hd44780_at91.c
Used in:		nut/arch/arm/dev/hd44780_at91.c

Local Function LcdWriteNibble()

static void LcdWriteNibble ( unsigned int nib )

Calls:	LcdClrBits()	nut/arch/arm/dev/hd44780_at91.c
	LcdDelay()	nut/arch/arm/dev/hd44780_at91.c
	LcdSetBits()	nut/arch/arm/dev/hd44780_at91.c
Called by:	LcdInit()	nut/arch/arm/dev/hd44780_at91.c
	LcdWriteByte()	nut/arch/arm/dev/hd44780_at91.c