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Matrix Orbital GTT70A User Manual

Page 18

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Command Summary

14

4.5 Enable Manual
Update

Dec
Hex
ASCII

254 90

FE 5A

þ Z

Enable
Enable
Enable

2.0

Stop all drawing commands from automatically updating the screen, send them to the display buffer, and allow a
manual update to execute all updates at one time. Useful for displaying a complicated image as a single visual
update. Default is disabled.

Enable

Byte

Desired manual update setting, as per eEnable values.

Table 14: eEnable values

Value Description

0

Disable

1

Enable

4.6 Manual Update

Dec
Hex
ASCII

254 91

FE 5B

þ [



2.0

Immediately push the contents of the display buffer to the screen. This has no effect if manual update is disabled.

4.7 Flush Region

Dec
Hex
ASCII

254 92

FE 5C

þ \

X Y Width Height
X Y Width Height
X Y Width Height

2.0

Manually flush all graphic data in a specified region to the screen.

X

Signed Short

Leftmost coordinate of the flush window.

Y

Signed Short

Topmost coordinate of the flush window.

Width

Signed Short

Width of the flush window.

Height

Signed Short

Height of the flush window.

4.8 Set Drawing
Colour

Dec
Hex
ASCII

254 99

FE 63

þ c

R G B
R G B
R G B

2.0

Set the colour to be used for all future drawing commands. The default colour is white.

R

Byte

Intensity of red, 0 to 255, limited to display metrics.

G

Byte

Intensity of green, 0 to 255, limited to display metrics.

B

Byte

Intensity of blue, 0 to 255, limited to display metrics.

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