From 63ebe8cac2f4a438aacc6d05695890b5822e687a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Onur=20=C3=96zkan?= <work@onurozkan.dev>
Date: Sat, 18 Jul 2026 16:52:04 +0300
Subject: [PATCH] scripts: create helper script for DFU generation
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Signed-off-by: Onur Özkan <work@onurozkan.dev>
---
 scripts/create-dfu-image.sh | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100755 scripts/create-dfu-image.sh

diff --git a/scripts/create-dfu-image.sh b/scripts/create-dfu-image.sh
new file mode 100755
index 0000000..925708c
--- /dev/null
+++ b/scripts/create-dfu-image.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [[ $# -ne 2 ]]; then
+    printf 'Usage: %s <input.elf> <output.bin>\n' "$0" >&2
+    exit 2
+fi
+
+readonly input_elf="$1"
+readonly output_image="$2"
+readonly host="$(rustc -vV | sed -n 's/^host: //p')"
+readonly llvm_objcopy="$(rustc --print sysroot)/lib/rustlib/$host/bin/llvm-objcopy"
+
+if [[ ! -x "$llvm_objcopy" ]]; then
+    printf 'llvm-objcopy is unavailable; install it with: rustup component add llvm-tools-preview\n' >&2
+    exit 1
+fi
+
+"$llvm_objcopy" -O binary "$input_elf" "$output_image"
+printf 'DFU image: %s\n' "$output_image"