To Next Page

To Previous Page

Code Example

lcd.h

#include "stm8s.h"

#define LCD_PORT GPIOD

#define LCD_RS GPIO_PIN_2

#define LCD_EN GPIO_PIN_3

#define LCD_DB4 GPIO_PIN_4

#define LCD_DB5 GPIO_PIN_5

#define LCD_DB6 GPIO_PIN_6

#define LCD_DB7 GPIO_PIN_7

#define clear_display 0x01

#define goto_home 0x02

#define cursor_direction_inc (0x04 | 0x02)

#define cursor_direction_dec (0x04 | 0x00)

#define display_shift (0x04 | 0x01)

#define display_no_shift (0x04 | 0x00)

#define display_on (0x08 | 0x04)

#define display_off (0x08 | 0x02)

#define cursor_on (0x08 | 0x02)

#define cursor_off (0x08 | 0x00)

#define blink_on (0x08 | 0x01)

#define blink_off (0x08 | 0x00)

#define _8_pin_interface (0x20 | 0x10)

#define _4_pin_interface (0x20 | 0x00)

#define _2_row_display (0x20 | 0x08)

#define _1_row_display (0x20 | 0x00)

#define _5x10_dots (0x20 | 0x40)

#define _5x7_dots (0x20 | 0x00)

#define DAT 1

#define CMD 0

void LCD_GPIO_init(void);

void LCD_init(void);

void LCD_send(unsigned char value, unsigned char mode);

void LCD_4bit_send(unsigned char lcd_data);

void LCD_putstr(char *lcd_string);

void LCD_putchar(char char_data);

void LCD_clear_home(void);

void LCD_goto(unsigned char x_pos, unsigned char y_pos);

void toggle_EN_pin(void);

void toggle_io(unsigned char lcd_data, unsigned char bit_pos, unsigned char pin_num);

STMicroelectronics STM8 User Manual

Questions and Answers: