Matrix-orbital DD-DB1 LCD/VFD Dev Board Instrukcja Użytkownika Pobierz pdf (Strona 20)

2. Text

2.1.Control Characters*

8 (08Hex) Backspace 10 (0AHex) Line feed/New line 12 (0CHex) Clear screen/New page 13 (0DHex) Carriage return

*Note: Regular text can be sent using regular alphanumeric strings or individual character values, starting at 65.

2.2.Auto Scroll

Dec

Hex

ASCII

254 81

FE 51

Q■

Entire contents of screen are shifted up one line when the end of the screen is reached. Display default is auto scroll on.

2.3.Auto Scroll

Off

Dec

Hex

ASCII

254 82

FE 52

R■

New text is written over the top line when the end of the screen is reached. Display default is auto scroll on.

2.4.Clear Screen Dec

Hex

ASCII

254 88

FE 58

X■

Clears the contents of the screen.

2.5.Changing the

Startup Screen

Dec

Hex

ASCII

254 64

FE 40

@■

Characters

Changes the message displayed on startup. Custom characters can be included by adding their decimal value (0-7).

Characters will automatically wrap on the display.

Characters 40 bytes for 20x2 screen, 80 bytes for 20x4

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 46 47

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Matrix-orbital DD-DB1 LCD/VFD Dev Board Instrukcja Użytkownika Strona 20