Matrix Orbital GTT70A User Manual
Page 18

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.