Advantech EPC-R6410, Руководство пользователя

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EPC-R6410 Android User Manual 22
3.1 Test Tools
All test tools must be verified on EPC-R6410 Evaluation kit, please prepare the
required test fixtures before verifying each specified I/O. If you have any problem get-
ting the test fixture, please contact your Advantech contact window for help.
3.2 eMMC Test
1. When booting from SD, erase and check
2. Write and check
3.3 USB Test
1. Insert USB flash disk then assure that it is in EPC-R6410 device list.
2. Erase and check
3. Write and check
# busybox dd if=/dev/zero of=/dev/block/mmcblk0 bs=1024 count=1 seek=1
1+0 records in
1+0 records out
# busybox hexdump -C /dev/block/mmcblk0 -s 1024 -n 16
00000400 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
# echo -n "0123456789ABCDEF" | dd of=/dev/block/mmcblk0 bs=1024 count=1
seek=1
0+1 records in
0+1 records out
# busybox hexdump -C /dev/block/mmcblk0 -s 1024 -n 16
00000400 30 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46 |0123456789ABCDEF|
Note! Insert the SD Card, the eMMC NAND Flash is mmcblk0
# dd if=/dev/zero of=/dev/block/sda bs=1024 count=1 seek=25118
1+0 records in
1+0 records out
# busybox hexdump -C /dev/block/sda -s 25720832 -n 16
01887800 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
Note! This operation may damage the data stored in the USB flash disk.
Please make sure there is no critical data in the USB flash disk being
used for this test.
# echo -n "0123456789ABCDEF" | dd of=/dev/block/sda bs=1024 count=1
seek=25118
0+1 records in
0+1 records out
# busybox hexdump -C /dev/block/sda -s 25720832 -n 16
01887800 30 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46 |0123456789ABCDEF|