1 files changed, 37 insertions, 0 deletions
diff --git a/set-aep-serial.sh b/set-aep-serial.sh
new file mode 100755
index 0000000..ce36144
--- /dev/null
+++ b/set-aep-serial.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+#
+# Backup firmware.bin from the mountpoint before using...
+#
+# hold down the switch on the AEP and plug into USB
+# CRP_DISABLED Mass storage device will appear containing one (fake) file
+# called "firmware.bin".
+#
+# This utility lets you change the USB serial number in your AEP, which is
+# necessary if you will use more than one.
+#
+# Example usage
+#
+# ./set-aep-serial.sh /run/media/agreen/CRP\ DISABLD/ 00010002
+
+M=$1
+
+if [ -e "$M/firmware.bin" ] ; then
+ if [ ! -e ./original-firmware.bin ] ; then
+  cp "$M/firmware.bin" ./original-firmware.bin
+ fi
+else
+ echo "First arg need to be mountpoint"
+ exit 1
+fi
+
+S=$2
+if [ ${#S} -ne 8 ] ; then
+	echo "Second arg is Serial number, needs to be 8 digits"
+	exit 1
+fi
+
+cat ./original-firmware.bin | \
+sed "s|\x1a\x03S\x00/\x00N\x00O\x00.\x00.\x00.\x00.\x00.\x00.\x00.\x00.\x00|\x1a\x03S\x00/\x00N\x00O\x00${S:0:1}\x00${S:1:1}\x00${S:2:1}\x00${S:3:1}\x00${S:4:1}\x00${S:5:1}\x00${S:6:1}\x00${S:7:1}\x00|g" | \
+dd conv=nocreat,notrunc of="$M/firmware.bin"
+
+