alcddrv.c File Reference

Source file for alphanumeric display driver. More...

#include <util/delay.h>
#include "alcddrv.h"

Macros
#define	LCD_DATA_ALL
	All data port bits in order. More...
Instructions execution time
Constants that defines execution time for instructions. Values there have to be defined only if we cannot read busy flag (if ALCD_RW is not connected).
#define	ALCD_LONG_DELAY   (5.0e-3)
	Define bus size. More...
#define	ALCD_SHORT_DELAY   (120.0e-6)
	Delay of short instruction. More...

Functions
static void	alcd_modeWData (void)
	Set Write Data mode. More...
static void	alcd_modeWInstr (void)
	Set Write Instruction mode. More...
static void	alcd_modeRInstr (void)
	Set Read Instruction mode. More...
static void	alcd_modeRDataAfterRInstr (void)
	Set Read Data mode. More...
static void	alcd_enableOn (void)
	Turn on enable output. More...
static void	alcd_enableOff (void)
	Turn off enable output. More...
static void	alcd_enablePulse (void)
	Generates pulse on Enable line. More...
static void	alcd_waitLong (void)
	Wait for a long instruction. More...
static void	alcd_waitShort (void)
	Wait for a short instruction. More...
static void	alcd_send8 (uint8_t cmd)
	Write data in 8 bit mode. More...
static void	alcd_send4 (uint8_t cmd)
	Write data in 4 bit mode. More...
static void	alcd_send (uint8_t cmd)
	Write data in any mode. More...
static uint8_t	alcd_get8 (void)
	Read data in 8 bit mode. More...
static uint8_t	alcd_get4 (void)
	Read data in 4 bit mode. More...
static uint8_t	alcd_get (void)
	Read data in any mode. More...
static void	alcd_waitBusy (void)
	Wait for busy flag. More...
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_puts_P (const __flash char *pstr)
	Put string from program memory. More...
void	alcd_read (char *pstr, uint8_t size)
	Read data block. 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...

Detailed Description

Source file for alphanumeric display driver.

Author

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

Date

2014

See Also

<alcddrv> Alphanumeric display driver