2016-02-16 11:43 skrev John kerry:
Hi
I am trying to write mac address and Serial number in ART partition.
Creating 6 MTD partitions on "spi0.0":
0x000000000000-0x000000040000 : "u-boot"
0x000000040000-0x000000050000 : "u-boot-env"
0x000000050000-0x000000680000 : "rootfs"
mtd: partition "rootfs" set to be root filesystem
mtd: partition "rootfs_data" created automatically, ofs=5B0000,
len=D0000
0x0000005b0000-0x000000680000 : "rootfs_data"
0x000000680000-0x0000007f0000 : "kernel"
0x0000007f0000-0x000000800000 : "art"
0x000000050000-0x0000007e0000 : "firmware"
cat /proc/mtd
dev: size erasesize name
mtd0: 00040000 00010000 "u-boot"
mtd1: 00010000 00010000 "u-boot-env"
mtd2: 00630000 00010000 "rootfs"
mtd3: 000d0000 00010000 "rootfs_data"
mtd4: 00170000 00010000 "kernel"
mtd5: 00010000 00010000 "art"
mtd6: 00790000 00010000 "firmware"
Could anyone help me to write wifi mac address and Serial number to
ART
partition without overwriting on calibration data.
Thanks, John
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You may modify these three lines for your application. You need to
alter the offset for the mac address:
dd if=/dev/mtd5 of=/tmp/art.img
printf "\xAA\xBB\xCC\xDD\xEE\xFF" | dd conv=notrunc of=/tmp/art.img
bs=1 seek=$((0x10))
mtd write /tmp/art.img art
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