lcd.c File Reference

LCD routines. More...

#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <inttypes.h>
#include "main/lcd.h"
#include "main/rom.h"
#include "delay.h"
#include "utils.h"

Go to the source code of this file.

Defines
#define	WBF_MASTER   0x04
#define	WBF_SLAVE   0x02
#define	WBF_MODE_DATA   0x01
#define	WBF_MODE_CMD   0x00
#define	CMD_DISPLAY_ON   0x3f
#define	CMD_DISPLAY_OFF   0x3e
#define	CMD_SET_START   0xC0
#define	CMD_SET_PAGE   0xB8
#define	CMD_SET_COLUMN   0x40
#define	send_cmd(a, b)   write_byte(a, b | WBF_MODE_CMD)
#define	send_all_cmd(a)   send_cmd(a, WBF_MASTER | WBF_SLAVE)
#define	RES_PORT   PORTC
#define	RES_BIT   PC5
#define	RS_PORT   PORTE
#define	RS_BIT   PE3
#define	RW_PORT   PORTE
#define	RW_BIT   PE4
#define	E_PORT   PORTE
#define	E_BIT   PE5
#define	CS1_PORT   PORTC
#define	CS1_BIT   PC7
#define	CS2_PORT   PORTC
#define	CS2_BIT   PC6
#define	LED_PORT   PORTD
#define	LED_BIT   PD7
Functions
uint8_t	lcd_str_width (uint8_t *text)
	Calculate string width in pixels.
void	lcd_print (uint8_t x, uint8_t y, uint8_t inverted, char *text)
	Print string on display.
void	lcd_v_line (uint8_t x, uint8_t y1, uint8_t y2)
	Draw a vertical line.
void	lcd_h_line (uint8_t x1, uint8_t x2, uint8_t y)
	Draw a horizontal line.
void	lcd_put_image (uint8_t x, uint8_t y, PGM_P image)
	Put an image on the display.
void	lcd_clear_line (uint8_t x1, uint8_t x2, uint8_t y)
void	lcd_clear (void)
void	lcd_init (void)
void	lcd_activate (void)
void	lcd_deactivate (void)
void	lcd_enable_backlight (void)
void	lcd_disable_backlight (void)

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Detailed Description

LCD routines.

This file contains basic low level routines to drive a lcd using the ks0108b segemtn driver.

Definition in file lcd.c.

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Function Documentation

void lcd_activate (  void   )

Activate display. Definition at line 351 of file lcd.c. Referenced by main().

void lcd_clear (  void   )

Clear diplay. Definition at line 320 of file lcd.c. Referenced by lcd_init().

void lcd_clear_line (  uint8_t  x1, uint8_t  x2, uint8_t  y )

Clear a part of a page. Definition at line 296 of file lcd.c.

void lcd_deactivate (  void   )

Enter power save mode. Definition at line 360 of file lcd.c.

void lcd_disable_backlight (  void   )

Switch backlight off. Definition at line 377 of file lcd.c. Referenced by INTERRUPT(), and main().

void lcd_enable_backlight (  void   )

Switch backlight on. Definition at line 369 of file lcd.c. Referenced by INTERRUPT().

void lcd_init (  void   )

Initialize lcd-display. Definition at line 335 of file lcd.c. References lcd_clear(). Referenced by main().

void lcd_print (  uint8_t  x, uint8_t  y, uint8_t  inverted, char *  text )

Print string on display. Note: The y coordinate is rounded to the next display page. ( y = {0,8,16,24,..} ) Definition at line 154 of file lcd.c.

void lcd_put_image (  uint8_t  x, uint8_t  y, PGM_P  image )

Put an image on the display. Note: The y coordinate of the image must be a multiple of eight. Definition at line 262 of file lcd.c.

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