
ROM-5420 User Manual 14
#gst-launch playbin2 uri=file:///tools/Advantech.avi video-
sink="mfw_v4lsink device=/dev/video17" audio-sink="alsasink
device=plughw:0"
B. 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 display monitor, please refer to below table:
3.1.7 I2C Test
There are three i2c bus in ROM-5420.
#ls /sys/class/i2c-dev
i2c-0 i2c-1 i2c-2 i2c-3 i2c-4 i2c-5 i2c-6
#i2cdetect -l
i2c-0 i2c imx-i2c I2C adapter
i2c-1 i2c imx-i2c I2C adapter
i2c-2 i2c imx-i2c I2C adapter
i2c-3 i2c i2c-1-mux (chan_id 0) I2C adapter
i2c-4 i2c i2c-1-mux (chan_id 1) I2C adapter
i2c-5 i2c i2c-1-mux (chan_id 2) I2C adapter
i2c-6 i2c i2c-1-mux (chan_id 3) I2C adapter
Please try below command to know if there is any device connected to i2c bus 1.
#i2cdetect -y 1
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: -- -- -- -- -- -- -- -- UU -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- UU -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: UU -- -- -- -- -- -- -- UU -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: UU -- -- -- -- -- -- -- --
video16 HDMI
video17 HDMI overlay
video18 VGA
video19 VGA overlay
video20 LVDS 0
video21 LVDS 1
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