aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ath79/mikrotik/base-files/lib/functions/mikrotik-caldata.sh
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/ath79/mikrotik/base-files/lib/functions/mikrotik-caldata.sh')
-rw-r--r--target/linux/ath79/mikrotik/base-files/lib/functions/mikrotik-caldata.sh21
1 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/ath79/mikrotik/base-files/lib/functions/mikrotik-caldata.sh b/target/linux/ath79/mikrotik/base-files/lib/functions/mikrotik-caldata.sh
new file mode 100644
index 0000000000..9c4016ee5d
--- /dev/null
+++ b/target/linux/ath79/mikrotik/base-files/lib/functions/mikrotik-caldata.sh
@@ -0,0 +1,21 @@
+# Copyright (C) 2019 Robert Marko <robimarko@gmail.com>
+# Copyright (C) 2019 Roger Pueyo Centelles <roger.pueyo@guifi.net>
+#
+# Helper function to extract MAC addresses and calibration data for MikroTik
+#
+
+mikrotik_caldata_extract() {
+ local part=$1
+ local offset=$(($2))
+ local count=$(($3))
+ local mtd
+ local erdfile="/lib/firmware/erd.bin"
+
+ mtd=$(find_mtd_chardev $part)
+ [ -n "$mtd" ] || caldata_die "no mtd device found for partition $part"
+
+ rbextract -e $mtd $erdfile
+
+ dd if=$erdfile of=/lib/firmware/$FIRMWARE iflag=skip_bytes bs=$count skip=$offset count=1 2>/dev/null || \
+ caldata_die "failed to extract calibration data from $mtd"
+}