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