IAC-IMX6-Kit Linux Function and Test Manual
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2.10. USB Test
It supports 3 formats:fat32,exFAT,NTFS.
There are 5-ch USB on IAC-I.MX6-KIT mainboard:
(1)1-ch (J13) is as device port, download firmware program by [usb]
mode.
(2)1-ch (J14) is to connect the external wifi module;
(3)1-ch integrate into miniPCIe port(U19);
(4)2- ch(J15) are as host port, this test aims at host port.
Test Principle:
Mainboard USB HOST supports hot plug, insert USB Flash Disk,
system will automatically recognize and print USB Flash Disk
information.
After recognizing, it generates the device node [/dev/sda] and
partition node [/dev/sdal] in the [/dev] directory.(If there are several
partitions, then number parts will increase accordingly)
Finally, system will automatically mount all partition to [/media/]
directory, through read and write corresponded file of directory to judge
whether the interface is normal or not.
