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#ifndef OLED_NHD_0216KZW_AB5_H
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#define OLED_NHD_0216KZW_AB5_H
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#define NHD_STRING_BUFFER_SIZE 64
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// commands
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#define LCD_CLEARDISPLAY 0x01
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#define LCD_RETURNHOME 0x02
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#define LCD_ENTRYMODESET 0x04
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#define LCD_DISPLAYCONTROL 0x08
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#define LCD_CURSORSHIFT 0x10
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#define LCD_FUNCTIONSET 0x28
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#define LCD_SETCGRAMADDR 0x40
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#define LCD_SETDDRAMADDR 0x80
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// flags for display entry mode
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#define LCD_ENTRYRIGHT 0x00
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#define LCD_ENTRYLEFT 0x02
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#define LCD_ENTRYSHIFTINCREMENT 0x01
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#define LCD_ENTRYSHIFTDECREMENT 0x00
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// flags for display on/off control
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#define LCD_DISPLAYON 0x04
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#define LCD_DISPLAYOFF 0x00
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#define LCD_CURSORON 0x02
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#define LCD_CURSOROFF 0x00
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#define LCD_BLINKON 0x01
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#define LCD_BLINKOFF 0x00
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// flags for display/cursor shift
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#define LCD_DISPLAYMOVE 0x08
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#define LCD_CURSORMOVE 0x00
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#define LCD_MOVERIGHT 0x04
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#define LCD_MOVELEFT 0x00
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// flags for function set
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#define LCD_8BITMODE 0x10
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#define LCD_4BITMODE 0x00
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#define LCD_JAPANESE 0x00
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#define LCD_EUROPEAN_I 0x01
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#define LCD_RUSSIAN 0x02
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#define LCD_EUROPEAN_II 0x03
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typedef struct __OLED_CHAR_DATA {
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unsigned char display_function;
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unsigned char display_control;
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unsigned char display_mode;
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unsigned char current_line;
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unsigned char num_lines;
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} OLED_CHAR_DATA;
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void NHD_Init(void);
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void NHD_Begin(char cols, char rows);
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void NHD_Clear(void);
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void NHD_Home(void);
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void NHD_Display(char option);
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void NHD_Blink(char option);
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void NHD_Cursor(char option);
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void NHD_Autoscroll(char option);
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void NHD_Scroll_Display_Left(void);
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void NHD_Scroll_Display_Right(void);
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void NHD_Left_To_Rigtht(void);
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void NHD_Right_To_Left(void);
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void NHD_Create_Char(unsigned char location, unsigned char *charmap);
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void NHD_Set_Cursor(unsigned char col, unsigned char row);
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void NHD_Send_Data(unsigned char value);
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void NHD_Send_Command(unsigned char value);
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void NHD_Pulse_Enable(void);
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void NHD_Write_4_Bits(unsigned char value);
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void NHD_Wait_For_Ready(void);
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void NHD_Write_String(const rom char *fmt, ...);
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#endif /* OLED_NHD_0216KZW_AB5_H */
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