Thư Viện LCD (alcd.h) Trong CodeVisionAVR

void _lcd_write_data(unsigned char data);

/* read a byte from the LCD character generator or display RAM */

unsigned char lcd_read_byte(unsigned char addr);

/* write a byte to the LCD character generator or display RAM */

void lcd_write_byte(unsigned char addr, unsigned char data);

// set the LCD display position  x=0..39 y=0..3

void lcd_gotoxy(unsigned char x, unsigned char y);

// clear the LCD

void lcd_clear(void);

void lcd_putchar(char c);

// write the string str located in SRAM to the LCD

void lcd_puts(char *str);

// write the string str located in FLASH to the LCD

void lcd_putsf(char flash *str);

// write the string str located in EEPROM to the LCD

void lcd_putse(char eeprom *str);

// initialize the LCD controller

void lcd_init(unsigned char lcd_columns);