VIA Technologies VAB-820, Быстрый старт

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VAB VAB VAB VAB----820 820 820 820 A A A A ndroid BSP v BSP v BSP v BSP v4 4 4 4.0.2 Quick Start Guide .0.2 Quick Start Guide .0.2 Quick Start Guide .0.2 Quick Start Guide
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5. 5. 5. 5. Hardware Hardware Hardware Hardware Functions Functions Functions Functions
5.1. Setting Up Display Device
The VAB-820 Android BSP v4.0.2 supports the following display devices:
•
HDMI monitor
•
AUO 10.4” G104XVN01.0 LVDS panel (1024 x 768)
•
AUO 7” G070VW01 V0 LVDS panel (800 x 480)
5.1.1 Setting Up the HDMI U-Boot display parameter
The default display device is HDMI monitor.
To set the HDMI monitor as the display output, use the following command:
=> setenv display ‘run hdmi’
=> saveenv
The HDMI only supports CEA modes as shown in the table below.
Width Width Width Width Height Height Height Height Frame rate Frame rate Frame rate Frame rate
640 480 60
720 480 60
1280 720 60
1440 240 60
1440 480 60
1920 1080 60
720 576 50
1280 720 50
1440 288 50
1440 576 50
1920 1080 50
1920 1080 24
1920 1080 25
1920 1080 30
1280 720 100
1280 720 120
For example, if you change the HDMI resolution to 1280x720@60Hz, use the following
command:
=> setenv hdmi_timing ‘1280x720M@60,bpp=32’
=> saveenv