Advantech RSB-4410 Manual de usuario descargar pdf (Pagina 29)

21 RSB-4410 User Manual

Chapter 2 H/W Installation

2.5 Test Tools

All test tools must be verified on RSB-4410, please prepare required test fixtures

before verifying each specified I/O. If you have any problems to get the test fixture,

please contact Advantech for help.

2.5.1 eMMC Test

1. Create a file and copy to eMMC.

#echo 123456789ABCDEF > test.txt

#dd if=./test.txt of=/dev/mmcblk0 bs=1024 count=1

seek=25118

0+1 records in

0+1 records out

16 bytes (16 B) copied, 0.000109331 s, 146 kB/s

2. Check the data copied to eMMC

#hexdump -C /dev/mmcblk0 -s 25720832 -s 32

01887800 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46 0a

|123456789ABCDEF.|

01887810 1d 4f e2 19 d3 05 8b df ab 4a 40 5a c5 23 3c f2

|.O.......J@Z.#<.|

2.5.2 USB Test

1. Insert USB flash disk then assure it is in RSB-4410 device list.

2. Create a file and copy to USB flash disk

#echo 123456789ABCDEF > test.txt

#dd if=./test.txt of=/dev/sda bs=1024 count=1 seek=25118

0+1 records in

0+1 records out

16 bytes (16 B) copied, 0.000109331 s, 146 kB/s

3. Check the data copied to USB flash disk

#hexdump -C /dev/sda -s 25720832 -s 32

01887800 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46 0a

|123456789ABCDEF.|

01887810 1d 4f e2 19 d3 05 8b df ab 4a 40 5a c5 23 3c f2

|................|

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.

Note! This operation may damage the data stored in USB flash disk. Please

make sure there is no critical data in the USB flash disk being used for

this test.

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Advantech RSB-4410 Manual de usuario Pagina 29