Advantech UBC-220, Руководство пользователя, Страница: 30 / 62

UBC-220 User Manual 22
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2.5.4 LVDS/HDMI Test
2.5.4.1 Testing through gplay (for default single display)
1. #gplay /tools/Advantech.avi.
2. Then you can see the video demo on the default display screen.
2.5.4.2 Testing through gst-launch (for multi-display)
If you’d like to have multiple displays such as dual LVDS and HDMI output , you
should set the parameters in uboot first. Please refer to section 3.7.5.3 for more
details. Once the display method is set up, please follow the instruction below to run
gst-launch to play video.
1. Turn ON the HDMI display, please type:
#gst-launch playbin2 uri=file:///tools/Advantech.avi
video-sink="mfw_v4lsink device=/dev/video16"&
You can see display independent both show Advantech.avi at the same time.
If you’d like to set the output audio as HDMI out, please add the parameter of plughw:
A. Plughw:1-->Output the audio through HDMI.
#gst-launch playbin2 uri=file:///tools/Advantech.avi
video-sink="mfw_v4lsink device=/dev/video17" audio-
sink="alsasink device=plughw:1"
If you’d like to change the display monitor, please refer to the below table:
2.5.5 Mini PCIe (3G and Wifi) Test
The command used to test 3G module is as following, the supported module P/N is
EWM-C106HT01E
Note! Please make sure parameter “seek” is equal to 25118 as indicated in
red in above codes. If you create the file to a wrong sector, that may
damage the system.
video16 HDMI
video17 HDMI overlay
video18 LVDS0
video19 LVDS1