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NEO 2 Interface Developer’s Guide
446
Note:
•
For images:
image files are read from NANDFlash. Only JPEG files without orientation Exif
info and width <= 272, height <= 480 are supported; otherwise the VP6800 rejects this
command.
•
Exif
(exchangeable image file format): a standard that specifies the formats for images,
sound, and ancillary tags used by digital cameras (including smartphones), scanners, and
other systems that handle image and sound files recorded by digital cameras.
•
For videos:
video files are read from the SD Card and only videos with a width <= 272 and
height <= 480 are supported. The video will be shown +90 degree, so the video source should
be rotated -90 degree. Videos must be MJPEG encoded; ffmpeg is a free, third-party tool that
can generate the necessary target file.
Text Area Feature:
Features
Length (bytes)
Description
Width
2
Reserved
Height
2
Reserved
Font ID
1
See below table
Color
4
Byte 0 – B
Byte 1 – G
Byte 2 – R
Byte 3 – Reserved
For example:
0xFF000000, blue
0x00FF0000, green
0x0000FF00, red
0x00000000, white
0xFFFFFF00, black
LEDs Widget Feature
Features
Length (bytes)
Description
LED0 state
1
00: Off
01: Green
02: Yellow
03: Red
LED1 state
1
LED2 state
1
LED3 state
1
Font List
Font ID
Typography Name
Font
Size
0
RoundBold_12
RoundBold.ttf
12
1
RoundBold_18
RoundBold.ttf
18
2
RoundBold_24
RoundBold.ttf
24
3
RoundBold_36
RoundBold.ttf
36
4
RoundBold_48
RoundBold.ttf
48
5
RoundBold_60
RoundBold.ttf
60
6
RoundBold_72
RoundBold.ttf
72