refactor: move firmware workspace under firmware

firmware/scripts/create-dfu-image.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [[ $# -ne 1 ]]; then
+    printf 'Usage: %s <firmware.elf>\n' "$0" >&2
+    exit 2
+fi
+
+readonly input_elf="$1"
+readonly firmware_name="$(basename "${input_elf%.elf}")"
+readonly board_name="${firmware_name#kaptan-}"
+readonly output_image="${input_elf%.elf}.bin"
+readonly script_directory="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+readonly workspace_root="$(cd -- "$script_directory/.." && pwd)"
+readonly memory_x="$workspace_root/boards/$board_name/memory.x"
+readonly host="$(rustc -vV | sed -n 's/^host: //p')"
+readonly llvm_objcopy="$(rustc --print sysroot)/lib/rustlib/$host/bin/llvm-objcopy"
+
+if [[ ! -f "$input_elf" ]]; then
+    printf 'firmware ELF does not exist: %s\n' "$input_elf" >&2
+    exit 1
+fi
+
+if [[ ! -f "$memory_x" ]]; then
+    printf 'cannot find the linker layout for board %q: %s\n' "$board_name" "$memory_x" >&2
+    exit 1
+fi
+
+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' "$output_image"
+"$script_directory/analyze-fw.py" "$input_elf" "$memory_x"