IBR215 User Manual
44
D.
USB (flash disk) Test
Insert the USB flash disk. Then make sure it is in IBR210 device list.
Note:
This operation may damage the data stored in the USB flash disk. Before
starting the test, make sure there is no critical data in the eMMC flash being
used.
•
Read, write, and check
USB_DIR="/run/media/mmcblk1p1"
#create data file
dd if=/dev/urandom of=/var/data1 bs=1024k count=100
#write data to usb flash disk
dd if=/var/data1 of=$USB_DIR/data2 bs=1024k
count=100
#read data2, and compare with data1
cmp $USB_DIR/data2 /var/data1
•
USB speed test
USB_DIR="/run/media/mmcblk1p1"
# usb write speed
dd if=/dev/zero of=$BASIC_DIR/$i/test bs=1M
count=1000 oflag=nocache
# usb read speed
dd if=$BASIC_DIR/$i/test of=/dev/null bs=1M
oflag=nocache
Summary of Contents for IBR215
Page 10: ...General Information IBR215 User Manual 5 1 1 5 Product View...
Page 11: ...General Information IBR215 User Manual 6 1 1 6 Dimensions IBR215 Unit mm IBR215 IO...
Page 15: ...General Information IBR215 User Manual 10 1 2 3 Connectors on the IBR215 Main Board...
Page 25: ...General Information IBR215 User Manual 20 1 2 5 Connector Locations on the IBR215 IO Board...
Page 46: ...41 Appendix This section provides the information of reference code...
Page 58: ...IBR215 User Manual 53...