lcd_1602_internal.h

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#ifndef LCD_1602_INTERNAL_H_
#define LCD_1602_INTERNAL_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* Includes --------------------------------------------------------------------------------------*/
#include "../lcd_1602.h"
#include <stdint.h>
#include <stdlib.h>
 
/* Exported defines ------------------------------------------------------------------------------*/
#define LCD_1602_CLEAR_SCREEN           0x01        
#define LCD_1602_RESET_CURSOR_POS       0x02        
 
#define LCD_1602_INPUT_SET_MASK         0x07        
#define LCD_1602_INPUT_SET              0x04        
#define LCD_1602_INCREMENT_MODE         0x02        
#define LCD_1602_DECREMENT_MODE         0x00        
#define LCD_1602_DISPLAY_SHIFT_ON_WRITE 0x01        
#define LCD_1602_CURSOR_N_MOVE          0x00        
 
#define LCD_1602_DISPLAY_SWITCH_MASK    0x0F        
#define LCD_1602_DISPLAY_SWITCH_FLAG    0x08        
#define LCD_1602_DISPLAY_ON             0x04        
#define LCD_1602_DISPLAY_OFF            0x00        
#define LCD_1602_CURSOR_ON              0x02        
#define LCD_1602_CURSOR_OFF             0x00        
#define LCD_1602_BLINK_DISPLAY          0x01        
#define LCD_1602_N_BLINK_DISPLAY        0x00        
 
#define LCD_1602_SHIFT_BITMASK          0x1C        
#define LCD_1602_SHIFT_FLAG             0x10        
#define LCD_1602_CURSOR_MOVE            0x00        
#define LCD_1602_DISPLAY_SHIFT          0x08        
#define LCD_1602_SHIFT_LEFT             0x00        
#define LCD_1602_SHIFT_RIGHT            0x04        
 
#define LCD_1602_FUNCTION_SET_MASK      0x3C        
#define LCD_1602_FUNCTION_SET_FLAG      0x20        
#define LCD_1602_DATA_LEN_8_BIT         0x10        
#define LCD_1602_DATA_LEN_4_BIT         0x00        
#define LCD_1602_2_ROWS                 0x08        
#define LCD_1602_1_ROW                  0x00        
#define LCD_1602_FONT_5X10              0x04        
#define LCD_1602_FONT_5X7               0x00        
 
#define LCD_1602_BACKLIGHT              0x08
#define LCD_1602_ENABLE                 0x04
#define LCD_1602_WRITE_DATA             0x00
#define LCD_1602_RS                     0x01

 
/* Exported macros -------------------------------------------------------------------------------*/
#define LCD_1602_CONFIG_INPUT_SET(dir, mov) ((LCD_1602_INPUT_SET | dir | mov) & LCD_1602_INPUT_SET_MASK)

#define LCD_1602_CONFIG_DISPLAY_SWITCH(disp, curs, blink)   ((LCD_1602_DISPLAY_SWITCH_FLAG | disp | curs | blink) & LCD_1602_DISPLAY_SWITCH_MASK)

#define LCD_1602_SHIFT(ele, dir)    ((LCD_1602_SHIFT_FLAG | ele | dir) & LCD_1602_SHIFT_BITMASK)

#define LCD_1602_FUNCTION_SET(dl, r, f) ((LCD_1602_FUNCTION_SET_FLAG | dl | r | f) & LCD_1602_FUNCTION_SET_MASK)

 
#ifdef __cplusplus
}
#endif
 
#endif  // LCD_1602_INTERNAL_H_