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7bitmaps, 1 introduction, 2 uploading a bitmap file – Matrix Orbital GLK19264-7T-1U User Manual

Page 31

background image

Syntax

Hexadecimal

0xFE 0x52

Decimal

254 82

ASCII

254 “R”

Description

When auto scrolling is disabled, text will wrap to the top left corner of
the display area when the text reaches the end of the scroll row defined
in the font metrics (the bottom right character position) see Section 5.4
on page 23
. Existing text in the display area is not erased before new
text is placed. A series of spaces followed by a “Cursor Home”
command may be used to erase the top line of text.

Remembered

Yes

7

Bitmaps

7.1

Introduction

One of the main features of the GLK19264-7T-1U is its ability to display bitmap images, that are either

loaded onto its on board memory, or written directly to the screen. This chapter will cover creating a bitmap,
uploading the bitmap, as well as drawing the bitmap from memory and directly.

7.2

Uploading a Bitmap File

Syntax

Hexadecimal

0xFE 0x5E [refID] [size] [data]

Decimal

254 94 [refID] [size] [data]

ASCII

254 “^” [refID] [size] [data]

Parameters

Parameter

Length

Description

refID

1

A unique bitmap identification
number.

size

2

Bitmap file size (LSB to MSB).

data

x

Bitmap data.

Matrix Orbital

GLK19264-7T-1U

26