lcd.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <wiringPi.h>
#include "lcd.h"

Classes
struct	lcdDataStruct

Macros
#define	TRUE   (1==1)
#define	FALSE   (1==2)
#define	LCD_CLEAR   0x01
#define	LCD_HOME   0x02
#define	LCD_ENTRY   0x04
#define	LCD_CTRL   0x08
#define	LCD_CDSHIFT   0x10
#define	LCD_FUNC   0x20
#define	LCD_CGRAM   0x40
#define	LCD_DGRAM   0x80
#define	LCD_ENTRY_SH   0x01
#define	LCD_ENTRY_ID   0x02
#define	LCD_BLINK_CTRL   0x01
#define	LCD_CURSOR_CTRL   0x02
#define	LCD_DISPLAY_CTRL   0x04
#define	LCD_FUNC_F   0x04
#define	LCD_FUNC_N   0x08
#define	LCD_FUNC_DL   0x10
#define	LCD_CDSHIFT_RL   0x04

Functions
void	lcdHome (const int fd)
void	lcdClear (const int fd)
void	lcdDisplay (const int fd, int state)
void	lcdCursor (const int fd, int state)
void	lcdCursorBlink (const int fd, int state)
void	lcdSendCommand (const int fd, unsigned char command)
void	lcdPosition (const int fd, int x, int y)
void	lcdCharDef (const int fd, int index, unsigned char data[8])
void	lcdPutchar (const int fd, unsigned char data)
void	lcdPuts (const int fd, const char *string)
void	lcdPrintf (const int fd, const char *message,...)
int	lcdInit (const int rows, const int cols, const int bits, const int rs, const int strb, const int d0, const int d1, const int d2, const int d3, const int d4, const int d5, const int d6, const int d7)

Variables
struct lcdDataStruct *	lcds [MAX_LCDS]

Macro Definition Documentation

#define FALSE   (1==2)

#define LCD_BLINK_CTRL   0x01

#define LCD_CDSHIFT   0x10

#define LCD_CDSHIFT_RL   0x04

#define LCD_CGRAM   0x40

#define LCD_CLEAR   0x01

#define LCD_CTRL   0x08

#define LCD_CURSOR_CTRL   0x02

#define LCD_DGRAM   0x80

#define LCD_DISPLAY_CTRL   0x04

#define LCD_ENTRY   0x04

#define LCD_ENTRY_ID   0x02

#define LCD_ENTRY_SH   0x01

#define LCD_FUNC   0x20

#define LCD_FUNC_DL   0x10

#define LCD_FUNC_F   0x04

#define LCD_FUNC_N   0x08

#define LCD_HOME   0x02

#define TRUE   (1==1)

Function Documentation

void lcdCharDef	(	const int	fd,
		int	index,
		unsigned char	data[8]
	)

void lcdClear

(

const int

fd

)

void lcdCursor	(	const int	fd,
		int	state
	)

void lcdCursorBlink	(	const int	fd,
		int	state
	)

void lcdDisplay	(	const int	fd,
		int	state
	)

void lcdHome

(

const int

fd

)

int lcdInit	(	const int	rows,
		const int	cols,
		const int	bits,
		const int	rs,
		const int	strb,
		const int	d0,
		const int	d1,
		const int	d2,
		const int	d3,
		const int	d4,
		const int	d5,
		const int	d6,
		const int	d7
	)

void lcdPosition	(	const int	fd,
		int	x,
		int	y
	)

void lcdPrintf	(	const int	fd,
		const char *	message,
			...
	)

void lcdPutchar	(	const int	fd,
		unsigned char	data
	)

void lcdPuts	(	const int	fd,
		const char *	string
	)

void lcdSendCommand	(	const int	fd,
		unsigned char	command
	)

Variable Documentation

struct lcdDataStruct* lcds[MAX_LCDS]