HD44780.h

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#ifndef __HD44780_H__
#define __HD44780_H__
 
#include <stdbool.h>
#include <stdlib.h>
#include <stm32f1xx_hal.h>
 
typedef struct
{
    GPIO_TypeDef *rs_gpio; 
    GPIO_TypeDef *rw_gpio; 
    GPIO_TypeDef *en_gpio; 
    GPIO_TypeDef *d0_gpio; 
    GPIO_TypeDef *d1_gpio; 
    GPIO_TypeDef *d2_gpio; 
    GPIO_TypeDef *d3_gpio; 
    GPIO_TypeDef *d4_gpio; 
    GPIO_TypeDef *d5_gpio; 
    GPIO_TypeDef *d6_gpio; 
    GPIO_TypeDef *d7_gpio; 
    uint16_t rs_pin; 
    uint16_t rw_pin; 
    uint16_t en_pin; 
    uint16_t d0_pin; 
    uint16_t d1_pin; 
    uint16_t d2_pin; 
    uint16_t d3_pin; 
    uint16_t d4_pin; 
    uint16_t d5_pin; 
    uint16_t d6_pin; 
    uint16_t d7_pin; 
    bool interface_8_bit;
 
    bool single_line;
 
    bool font_5x10;
} HD44780;
 
typedef struct
{
    bool disable_display;
 
    bool enable_cursor;
 
    bool enable_blink;
 
    bool shift_display;
 
    bool shift_rtl;
} HD44780_Config;
 
void HD44780_init(const HD44780 *lcd);
 
void HD44780_configure(const HD44780 *lcd, const HD44780_Config *config);
 
void HD44780_clear(const HD44780 *lcd);
 
void HD44780_return_home(const HD44780 *lcd);
 
void HD44780_cursor_to(const HD44780 *lcd, uint8_t column, uint8_t row);
 
void HD44780_shift_display(const HD44780 *lcd, int8_t n);
 
void HD44780_create_symbol(const HD44780 *lcd, uint8_t address, bool font_5x10, const uint8_t symbol[]);
 
void HD44780_put_char(const HD44780 *lcd, uint8_t chr);
 
void HD44780_put_str(const HD44780 *lcd, const char *str);
 
#endif /* __HD44780_H__ */