alcddrv.h File Reference

Header file for uniwersal alphanumeric display. More...

#include <stdint.h>
#include "alcddrv_config.h"
#include "alcddrv_cmd.h"
#include "eppl.h"

Go to the source code of this file.

Macros
#define	ALCD_PINCONFIG
	LCD pin initialization data. More...
#define	ALCD_PIN_DEFINED(p)   ((p) != EPPL_NP)
	Check if pin is defined. More...
#define	ALCD_CANREAD   ALCD_PIN_DEFINED(ALCD_RW)
	Define if we have read access to LCD. More...
Alphanumeric display driver pins
Pins setting for alphanumeric display driver. You have to define this setting in alcddrv_conf.h file. All undefined pins wouold be set to EPPL_NP values.
#define	ALCD_RS   EPPL_NP
	RS pin. More...
#define	ALCD_RW   EPPL_NP
	RW pin. More...
#define	ALCD_E   EPPL_NP
	Enable pin. More...
#define	ALCD_D0   EPPL_NP
	Data 0 Input/Output pin. More...
#define	ALCD_D1   EPPL_NP
	Data 1 Input/Output pin. More...
#define	ALCD_D2   EPPL_NP
	Data 2 Input/Output pin. More...
#define	ALCD_D3   EPPL_NP
	Data 3 Input/Output pin. More...
#define	ALCD_D4   EPPL_NP
	Data 4 Input/Output pin. More...
#define	ALCD_D5   EPPL_NP
	Data 5 Input/Output pin. More...
#define	ALCD_D6   EPPL_NP
	Data 6 Input/Output pin. More...
#define	ALCD_D7   EPPL_NP
	Data 7 Input/Output pin. More...
Others
Other settings that do not have any specyfic cattegories.
#define	ALCD_SX   16
	Number of columns. More...
#define	ALCD_SY   2
	Number of rows. More...

Functions
void	alcd_cmd (uint8_t cmd)
	Send single command byte. More...
void	alcd_data (uint8_t data)
	Send signle data byte. More...
char	alcd_rdata (void)
	Function to read one character from LCD. More...
void	alcd_init (void)
	Initialize LCD. More...
void	alcd_puts (const char *pstr)
	Put string. More...
void	alcd_read (char *pstr, uint8_t size)
	Read data block. More...
void	alcd_puts_P (const __flash char *pstr)
	Put string from program memory. More...
void	alcd_defineChar (char c, const char *ppat)
	Define special character pattern. More...
void	alcd_defineChar_P (char c, const __flash char *ppat)
	Define special character pattern from program memory. More...
void	alcd_readDefinedChar (char c, char *ppat)
	Read defined character pattern. More...
static void	alcd_cls (void)
	Clear screen. More...
static void	alcd_home (void)
	Moves cursor home. More...
static void	alcd_turnOnOff (uint8_t display, uint8_t cursor, uint8_t blink)
	Turn on or off. More...
static void	alcd_shift (uint8_t right_left, uint8_t display_cursor)
	Shift display or cursor by one position. More...
static void	alcd_entryMode (uint8_t inc_dec, uint8_t shift)
	Entry mode set. More...
static void	alcd_goto (uint8_t y, uint8_t x)
	Move cursor to position. More...
static void	alcd_putc (char c)
	Put a character. More...
static char	alcd_getc (void)
	Get a character. More...

Detailed Description

Header file for uniwersal alphanumeric display.

Author

Radoslaw Koppel <r.koppel@k-el.com>

Date

2014 Driver for alphanumeric display compatible with hd44780 chip. Uses EPPL library.

See Also

<alcddrv> Alphanumeric display driver