lcd.h

Data logger external EEPROM function based on new Renesus microcontroller. This module has been test

/***********************************************************************************
FILE NAME  	:	lcd.h
DESCRIPTION	:	Driver for KS0066u LCD Module Controller (8 characters by 2 lines )
				on the Renesas RSK boards - header file

Copyright   : 2006 Renesas Technology Europe Ltd.
Copyright   : 2006 Renesas Technology Corporation.
All Rights Reserved
***********************************************************************************/

/***********************************************************************************
Revision History
DD.MM.YYYY OSO-UID Description
24.05.2006 RTE-VNA First Release
***********************************************************************************/

#ifndef LCD_H_INCLUDED
#define LCD_H_INCLUDED

/***********************************************************************************
Pin connections
***********************************************************************************/
/* RS Register Select pin */
#define RS_PIN 				IO.PDR3.BIT.B2
/* Display Enable pin */	
#define EN_PIN				IO.PDR3.BIT.B3

/* Data bus port */
#define DATA_PORT			IO.PDR3.BYTE
/* Bit mask from entire port */	 	
#define DATA_PORT_MASK		0xF0
/* Number of bits data needs to shift */	
#define DATA_PORT_SHIFT		4		

/***********************************************************************************
Macro Defines
***********************************************************************************/
#define DATA_WR 	1
#define CTRL_WR 	0

/* Set to ensure base delay of 1mS minimum */
#define DELAY_TIMING			0x01
/* number of lines on the LCD display */
#define NUMB_CHARS_PER_LINE		8
/* Maximum charactors per line of LCD display. */	
#define MAXIMUM_LINES			2		

#define LCD_LINE1 	0
#define LCD_LINE2 	16

/**********************************************************************************/
/* LCD commands - use LCD_write function to write these commands to the LCD.	  */
/**********************************************************************************/
/* Clear LCD display and home cursor */
#define LCD_CLEAR        0x01
/* move cursor to line 1 */
#define LCD_HOME_L1      0x80
/* move cursor to line 2 */      
#define LCD_HOME_L2      0xC0
/* Cursor auto decrement after R/W */  
#define CURSOR_MODE_DEC  0x04
/* Cursor auto increment after R/W */
#define CURSOR_MODE_INC  0x06
/* Setup, 4 bits,2 lines, 5X7 */
#define FUNCTION_SET     0x28
/* Display ON with Cursor */
#define LCD_CURSOR_ON    0x0E
/* Display ON with Cursor off */
#define LCD_CURSOR_OFF   0x0C
/* Display on with blinking cursor */
#define LCD_CURSOR_BLINK 0x0D
/*Move Cursor Left One Position */
#define LCD_CURSOR_LEFT  0x10
/* Move Cursor Right One Position */
#define LCD_CURSOR_RIGHT 0x14     

#define LCD_DISPLAY_ON   0x04
#define LCD_TWO_LINE     0x08

/***********************************************************************************
Function Prototypes
***********************************************************************************/
void InitialiseDisplay(void);
void DisplayString(unsigned char position, char * string);
void LCD_write(unsigned char data_or_ctrl, unsigned char value);
void LCD_nibble_write(unsigned char data_or_ctrl, unsigned char value);
void DisplayDelay(unsigned long int units);
void Convert_Number_ToString(unsigned short c, char* buffer);


#endif		/* LCD_H_INCLUDED */