scripts: added make_abin.sh script

used to create binary for install of SkyViper 2450GPS via web UI

Tools/scripts/make_abin.sh

@@ -0,0 +1,42 @@
+#!/bin/sh
+# make an abin file for a firmware this file format is for sending to
+# a memory constrained companion computer to flash over serial to a
+# flight board
+
+if [ $# -lt 1 ]; then
+    # default to FMUv3
+    ELF=build/fmuv3/bin/arducopter
+else
+    ELF=$1
+fi
+
+if [ $# -lt 2 ]; then
+    VEHICLE="arducopter"
+else
+    VEHICLE="$2"
+fi
+
+[ -f $ELF ] || {
+    echo "Can't find ELF file"
+    exit 1
+}
+
+echo "Creating $VEHICLE.bin"
+arm-none-eabi-objcopy -O binary "$ELF" "$VEHICLE".bin || {
+    echo "Failed to create bin file"
+    exit 1
+}
+
+sum=$(md5sum "$VEHICLE".bin | cut -d' ' -f1)
+githash=$(git rev-parse HEAD)
+
+echo "githash $githash md5 $sum"
+
+cat <<EOF > "$VEHICLE".abin
+git version: $githash
+MD5: $sum
+--
+EOF
+cat "$VEHICLE".bin >> "$VEHICLE".abin
+
+echo "Created $VEHICLE.abin"