Internal Macros

Macros
#define	LCD_1602_CONFIG_INPUT_SET(dir, mov)
	Macro for setting the correct movement of the cursor. Use together with:
#define	LCD_1602_CONFIG_DISPLAY_SWITCH(disp, curs, blink)
	Macro for configuring the display settings. Use together with;.
#define	LCD_1602_SHIFT(ele, dir)
	Macro for moving the cursor or the display. User together with:
#define	LCD_1602_FUNCTION_SET(dl, r, f)
	Macro for configuring the lcd screens function. Use together with:

Detailed Description

Macro Definition Documentation

LCD_1602_CONFIG_DISPLAY_SWITCH

#define LCD_1602_CONFIG_DISPLAY_SWITCH	(		disp,
			curs,
			blink )

Value:

((LCD_1602_DISPLAY_SWITCH_FLAG | disp | curs | blink) & LCD_1602_DISPLAY_SWITCH_MASK)

Macro for configuring the display settings. Use together with;.

• LCD_1602_DISPLAY_ON
• LCD_1602_DISPLAY_OFF
• LCD_1602_CURSOR_ON
• LCD_1602_CURSOR_OFF
• LCD_1602_BLINK_DISPLAY
• LCD_1602_N_BLINK_DISPLAY

Parameters

disp	if the display should be turned on or off. LCD_1602_DISPLAY_ON | LCD_1602_DISPLAY_OFF
curs	if the cursor should be turned on or off. LCD_1602_CURSOR_ON | LCD_1602_CURSOR_OFF
blink	if the screen should blink or not. LCD_1602_BLINK_DISPLAY | LCD_1602_N_BLINK_DISPLAY

Note

the macro do not change the register, but returns a bitfield to be written to a register.

Definition at line 104 of file lcd_1602_internal.h.

LCD_1602_CONFIG_INPUT_SET

#define LCD_1602_CONFIG_INPUT_SET	(		dir,
			mov )

Value:

((LCD_1602_INPUT_SET | dir | mov) & LCD_1602_INPUT_SET_MASK)

Macro for setting the correct movement of the cursor. Use together with:

• LCD_1602_INCREMENT_MODE
• LCD_1602_DECREMENT_MODE
• LCD_1602_CURSOR_MOVE_ON_WRITE
• LCD_1602_CURSOR_N_MOVE

Parameters

dir	the direction to move the cursor. LCD_1602_INCREMENT_MODE for forward | LCD_1602_DECREMENT_MODE for backwards
mov	if the cursor should move when bytes are written. LCD_1602_CURSOR_MOVE_ON_WRITE or LCD_1602_CURSOR_N_MOVE

Note

the macro do not change the register, but returns a bitfield to be written to a register.

Definition at line 87 of file lcd_1602_internal.h.

LCD_1602_FUNCTION_SET

#define LCD_1602_FUNCTION_SET	(		dl,
			r,
			f )

Value:

((LCD_1602_FUNCTION_SET_FLAG | dl | r | f) & LCD_1602_FUNCTION_SET_MASK)

Macro for configuring the lcd screens function. Use together with:

• LCD_1602_DATA_LEN_8_BIT
• LCD_1602_DATA_LEN_4_BIT
• LCD_1602_2_ROWS
• LCD_1602_1_ROW
• LCD_1602_FONT_5X10
• LCD_1602_FONT_5X7

Parameters

dl	signifies the data-length of read/write. LCD_1602_DATA_LEN_8_BIT | LCD_1602_DATA_LEN_4_BIT
r	sets the amount of rows used. LCD_1602_2_ROWS | LCD_1602_1_ROW
f	sets the font to be used. LCD_1602_FONT_5X10 | LCD_1602_FONT_5X7

Note

the macro do not change the register, but returns a bitfield to be written to a register.

Definition at line 135 of file lcd_1602_internal.h.

LCD_1602_SHIFT

#define LCD_1602_SHIFT	(		ele,
			dir )

Value:

((LCD_1602_SHIFT_FLAG | ele | dir) & LCD_1602_SHIFT_BITMASK)

Macro for moving the cursor or the display. User together with:

• LCD_1602_CURSOR_MOVE
• LCD_1602_DISPLAY_SHIFT
• LCD_1602_SHIFT_LEFT
• LCD_1602_SHIFT_RIGHT

Parameters

ele	the element to be moved. LCD_1602_CURSOR_MOVE for cursor | LCD_1602_DISPLAY_SHIFT for whole display
dir	the direction to move. LCD_1602_SHIFT_LEFT | LCD_1602_SHIFT_RIGHT

Note

the macro do not change the register, but returns a bitfield to be written to a register.

Definition at line 118 of file lcd_1602_internal.h.