mirror of
https://github.com/tinygo-org/drivers.git
synced 2026-08-12 02:43:42 +00:00
k-brk
39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
package hd44780
|
|
|
|
const (
|
|
DISPLAY_CLEAR = 0x1
|
|
CURSOR_HOME = 0x2
|
|
|
|
ENTRY_MODE = 0x4
|
|
CURSOR_DECREASE = ENTRY_MODE | 0x0
|
|
CURSOR_INCREASE = ENTRY_MODE | 0x2
|
|
DISPLAY_SHIFT = ENTRY_MODE | 0x1
|
|
DISPLAY_NO_SHIFT = ENTRY_MODE | 0x0
|
|
|
|
DISPLAY_ON_OFF = 0x8
|
|
DISPLAY_ON = DISPLAY_ON_OFF | 0x4
|
|
DISPLAY_OFF = DISPLAY_ON_OFF | 0x0
|
|
CURSOR_ON = DISPLAY_ON_OFF | 0x2
|
|
CURSOR_OFF = DISPLAY_ON_OFF | 0x0
|
|
CURSOR_BLINK_ON = DISPLAY_ON_OFF | 0x1
|
|
CURSOR_BLINK_OFF = DISPLAY_ON_OFF | 0x0
|
|
|
|
CURSOR_DISPLAY_SHIFT = 0x10
|
|
CURSOR_SHIFT_RIGHT = CURSOR_DISPLAY_SHIFT | 0x4
|
|
CURSOR_SHIFT_LEFT = CURSOR_DISPLAY_SHIFT | 0x0
|
|
DISPLAY_SHIFT_RIGHT = CURSOR_DISPLAY_SHIFT | 0xC
|
|
DISPLAY_SHIFT_LEFT = CURSOR_DISPLAY_SHIFT | 0x8
|
|
|
|
FUNCTION_MODE = 0x20
|
|
DATA_LENGTH_8BIT = FUNCTION_MODE | 0x10
|
|
DATA_LENGTH_4BIT = FUNCTION_MODE | 0x0
|
|
TWO_LINE = FUNCTION_MODE | 0x8
|
|
ONE_LINE = FUNCTION_MODE | 0x0
|
|
FONT_5X10 = FUNCTION_MODE | 0x4
|
|
FONT_5X8 = FUNCTION_MODE | 0x0
|
|
|
|
BUSY = 0x80
|
|
CGRAM_SET = 0x40
|
|
DDRAM_SET = 0x80
|
|
)
|