58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
#ifndef LCD_HD44780_H_
|
|
#define LCD_HD44780_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
// bit definetions
|
|
#define LCD_HD44780_RS 0
|
|
#define LCD_HD44780_RW 1
|
|
#define LCD_HD44780_E 2
|
|
|
|
#define LCD_HD44780_WRITE 0
|
|
#define LCD_HD44780_READ 1
|
|
|
|
typedef enum {
|
|
LCD_BITMODE_8BIT,
|
|
LCD_BITMODE_4BIT,
|
|
|
|
}lcd_hd44780_bitmode;
|
|
|
|
enum {
|
|
|
|
LCD_HD44780_CLEAR_DISP = 0x1,
|
|
LCD_HD44780_RETURN_HOME = 0x2,
|
|
LCD_HD44780_ENTRY_MODE = 0x3,
|
|
LCD_HD44780_DISP_ONOFF_CTL = 0x4,
|
|
LCD_HD44780_CURSOR_SHIFT = 0x6,
|
|
|
|
};
|
|
|
|
enum{
|
|
LCD_HD44780_GET = 0,
|
|
LCD_HD44780_SET = 1,
|
|
|
|
};
|
|
|
|
typedef int (*setGet_DataGpio_Event_fpt)(void*, uint8_t data_input, uint8_t set_get )reentrant;
|
|
typedef int (*setGet_ConfigGpio_Event_fpt)(void*, uint8_t data_input, uint8_t set_get )reentrant;
|
|
|
|
typedef struct{
|
|
|
|
void *DataGpio;
|
|
void *SettingsGpio;
|
|
setGet_DataGpio_Event_fpt setGetDataIO_event;
|
|
setGet_ConfigGpio_Event_fpt setGetConfigIO_event;
|
|
lcd_hd44780_bitmode bit_mode;
|
|
uint8_t port_data;
|
|
uint8_t port_settings;
|
|
|
|
|
|
}lcd_hd44780_t;
|
|
|
|
|
|
void lcd_hd44780_init(lcd_hd44780_t *inst,lcd_hd44780_bitmode bit_mode);
|
|
void lcd_hd44780_regConfigEvt(lcd_hd44780_t *inst , void *inst_Config, setGet_ConfigGpio_Event_fpt getConfigEvt_fpt);
|
|
void lcd_hd44780_regDataEvt(lcd_hd44780_t *inst , void *inst_Data, setGet_DataGpio_Event_fpt getDataEvt_fpt);
|
|
|
|
#endif /*LCD_HD44780_H_*/
|