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2 text – Matrix Orbital GLK19264A-7T-1U User Manual

Page 23

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18

Command Summary

6.2 Text

2.1 Clear
Screen

Dec
Hex
ASCII

254 88

FE 58

■ X

v8.0

Clears the contents of the screen.

2.2 Go
Home

Dec
Hex
ASCII

254 72

FE 48

■ H

v8.0

Returns the cursor to the top left of the screen.


2.3 Set Cursor
Position

Dec
Hex
ASCII

254 71

FE 47

■ G

Column Row
Column Row
Column Row

v8.0

Sets the cursor to a specific cursor position where the next transmitted character is printed.

Column

Byte

Value between 1 and number of character columns.

Row

Byte

Value between 1 and number of character rows.


2.4 Set Cursor
Coordinate

Dec
Hex
ASCII

254 121

FE 79

■ y

X Y
X Y
X Y

v8.0

Sets the cursor to an exact pixel position where the next transmitted character is printed.

X

Byte

Value between 1 and screen width, represents leftmost character position.

Y

Byte

Value between 1 and screen height, represents topmost character position.


2.5 Initialize
Text Window

Dec
Hex
ASCII

254 43

FE 2B

■ +

ID X1 Y1 X2 Y2 Font CharSpace LineSpace Scroll
ID X1 Y1 X2 Y2 Font CharSpace LineSpace Scroll
ID X1 Y1 X2 Y2 Font CharSpace LineSpace Scroll

v8.3

Designates a portion of the screen to which text can be confined. Font commands affect only the current window,
default (entire screen) is window 0.

ID

Byte

Unique text window identification number, value between 0 and 15.

X1

Byte

Leftmost coordinate.

Y1

Byte

Topmost coordinate.

X2

Byte

Rightmost coordinate.

Y2

Byte

Bottommost coordinate.

Font

*

Short

Unique font ID to use for this window, value between 0 and 1023.

CharSpace

Byte

Spacing between characters to use for this window.

LineSpace

Byte

Spacing between lines to use for this window.

Scroll

Byte

Number of pixel rows to write to before scrolling text.

*Note:

Font was changed from a Byte length at firmware revision 8.5