T108 Release
Copyright by Terawins, Inc.
21
2.6.4.3 Row Attribute Character Type Format (RAtt_C)
This RAtt_C is a must-have attribute for each menu row, and those content in OSD1 memory followed will be
rendering as characters, not other row attributes except exceeding the row length (see Row_Length[5:0] below).
Bit
Symbol
Description
[15:13]
RAtt_ID = 000b
Must set value 000b for RAtt_C
[12]
Skip_This
When set to 1, the following one character row of current thread menu could be
skipped, and continues the next row instead.
[11]
End_After
When set to 1, the following all character rows of current thread menu will be
skipped.
[10]
BG_RGB[2]
Background color bit 2, combined with the BG_Color[1:0] in each character
become 3 bits to select background remap color.
[9:8]
CharHeight_Scale[1:0] Defines the enlarge ratio (x1, x2, x3, x4) of the character height of the menu
rows following and after.
[7:6]
CharWidth_Scale[1:0] Defines the enlarge ratio (x1, x2, x3, x4) of the character width of the menu rows
following and after.
[5:0]
Row_Length[5:0]
Indicates the following character row length (how many characters), valid value
range is 1 to 63.
2.6.4.4 Row Attribute Dummy Type Format (RAtt_D)
This RAtt_D is a dummy attribute, it is used for replacing other non-RAtt_C type attributes when changing
rendering behavior if need, also it is used when switch between rows with different BDS behavior, 4 lines will be
inserted.
Bit
Symbol
Description
[15:0]
RAtt_ID = E001h
Must set value E001h for RAtt_D
2.6.4.5 Row Attribute Gap Type Format (RAtt_G)
This RAtt_G is used to insert fix vertical null lines between menu rows.
Bit
Symbol
Description
[15:13]
RAtt_ID = 001b
Must set value 001b for RAtt_G
[12:11]
Reserved
[10:0]
Gap[10:0]
Line number inserted before the following menu row.
2.6.4.6 Row Attribute Jump Menu Type Format (RAtt_J)
This RAtt_J is used to redirect menu to other assigned new menu block in OSD1 memory. This is useful for
controlling menu flows.
Bit
Symbol
Description
[15:14]
RAtt_ID = 10b
Must set value 10b for RAtt_J
[13]
Jump_En
Set to 1 enables the menu jump to new assigned address in RAtt_J<12:0>.
When set to 0, this RAtt_J has no effect.
[12:0]
Jump_MenuA[12:0]
Jump to the OSD1 RAM address, which should still point to a row attribute of
menu.
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