#include "stm8s.h"

#ifndef hd44780_h
#define hd44780_h

#define MAX_WIDTH 20
#define MAX_HEIGHT 4

typedef struct {
  void (*delay_w)(void);
  void (*set_data)(uint8_t);
  void (*set_RS)(uint8_t);
  void (*set_E)(uint8_t);
  uint8_t width;
  uint8_t height;
  uint8_t cursor_x;
  uint8_t cursor_y;
  uint8_t data[MAX_WIDTH][MAX_HEIGHT];
} hd44780_state_t;


void hd44780_init(hd44780_state_t *state,
                        uint8_t width,
                        uint8_t height,
                        void (*delay_w)(void),
                        void (*set_data)(uint8_t),
                        void (*set_RS)(uint8_t),
                        void (*set_E)(uint8_t));

void hd44780_update(hd44780_state_t *state);
void hd44780_putc(hd44780_state_t *state, uint8_t xpos, uint8_t ypos, char ch);
void hd44780_putstring(hd44780_state_t *state, uint8_t xpos, uint8_t ypos, char *str);

#endif