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- # Copyright (C) 2019 Robert Marko <[email protected]>
- # Copyright (C) 2019 Roger Pueyo Centelles <[email protected]>
- #
- # Helper function to extract MAC addresses and calibration data for MikroTik
- #
- mikrotik_caldata_extract() {
- local part=$1
- local offset=$(($2))
- local count=$(($3))
- local mtd
- local erdfile="/tmp/erd.bin"
- local fwfile="/lib/firmware/${FIRMWARE}"
- [ -e $fwfile ] && exit 0
- mtd=$(find_mtd_chardev $part)
- [ -n "$mtd" ] || caldata_die "no mtd device found for partition $part"
- rbextract -e $mtd $erdfile
- dd if=$erdfile of=$fwfile iflag=skip_bytes bs=$count skip=$offset count=1 2>/dev/null || \
- caldata_die "failed to extract calibration data from $mtd"
- rm -f $erdfile
- }
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