From 87d3e1972e4fc16a79af337e3ba5973d920e8279 Mon Sep 17 00:00:00 2001
From: jhchun <jh.chun@medithings.co.kr>
Date: Fri, 19 Jun 2026 10:31:02 +0900
Subject: [PATCH] =?UTF-8?q?DFU=20=EC=99=84=EB=A3=8C=20=ED=9B=84=20?=
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---
 boards/nrf52840dk_nrf52840.overlay            | 12 +++++
 prj.conf                                      | 14 +++++-
 sysbuild.cmake                                | 45 +++++++++++++++++++
 sysbuild/mcuboot.overlay                      |  5 +++
 .../mcuboot_power_hold_module/CMakeLists.txt  |  4 ++
 .../src/mcuboot_power_hold_early.c            | 14 ++++++
 .../zephyr/module.yml                         |  2 +
 7 files changed, 95 insertions(+), 1 deletion(-)
 create mode 100644 sysbuild/mcuboot_power_hold_module/CMakeLists.txt
 create mode 100644 sysbuild/mcuboot_power_hold_module/src/mcuboot_power_hold_early.c
 create mode 100644 sysbuild/mcuboot_power_hold_module/zephyr/module.yml

diff --git a/boards/nrf52840dk_nrf52840.overlay b/boards/nrf52840dk_nrf52840.overlay
index d46885d..169208e 100644
--- a/boards/nrf52840dk_nrf52840.overlay
+++ b/boards/nrf52840dk_nrf52840.overlay
@@ -25,6 +25,18 @@
 	status = "disabled";
 };
 
+/* 실제 보드에 DK용 외부 QSPI flash가 없어서 부팅 시 probe 실패를 막음 */
+&qspi
+{
+	status = "disabled";
+};
+
+/* DK 보드 정의에 포함된 MX25R64 외부 flash도 함께 비활성화 */
+&mx25r64
+{
+	status = "disabled";
+};
+
 /* I2C0 핀 재설정: ICM42670P IMU (SCL=P1.14, SDA=P1.15) */
 &i2c0_default
 {
diff --git a/prj.conf b/prj.conf
index 0f2aaf9..516da9d 100644
--- a/prj.conf
+++ b/prj.conf
@@ -68,6 +68,8 @@ CONFIG_BT_RX_STACK_SIZE=4096
 # 애플리케이션이 MCUboot 환경(부트로더)에서 동작(MCUboot: FW 교체 판단, 서명 검증)
 CONFIG_BOOTLOADER_MCUBOOT=y
 CONFIG_ZCBOR=y
+# major.minor.revision+build 형식으로 버전 문자열 지정 (빌드 시스템에서 자동으로 버전 정보 채워 넣음)
+CONFIG_MCUBOOT_IMGTOOL_SIGN_VERSION="0.0.2+0"
 
 # 내부 Flash Meory 활성화
 CONFIG_FLASH=y
@@ -87,7 +89,17 @@ CONFIG_MCUMGR_TRANSPORT_BT=y
 # BLE로 수신된 mcumgr 메시지에 대해 읽기/쓰기 권한 허용 
 CONFIG_MCUMGR=y
 CONFIG_MCUMGR_TRANSPORT_BT=y
-CONFIG_MCUMGR_TRANSPORT_BT_PERM_RW=y
+CONFIG_MCUMGR_TRANSPORT_BT_PERM_RW_AUTHEN=y
+# BLE로 분할 수신된 SMP 패킷 재조립
+CONFIG_MCUMGR_TRANSPORT_BT_REASSEMBLY=y
+# DFU image chunk를 받을 mcumgr transport 버퍼 크기
+CONFIG_MCUMGR_TRANSPORT_NETBUF_SIZE=1024
+# CBOR data byte string 최대 길이
+CONFIG_ZCBOR_MAX_STR_LEN=512
+# DFU 진행 상태를 앱 콜백으로 받기
+CONFIG_MCUMGR_MGMT_NOTIFICATION_HOOKS=y
+CONFIG_MCUMGR_GRP_IMG_STATUS_HOOKS=y
+CONFIG_MCUMGR_SMP_COMMAND_STATUS_HOOKS=y
 # mcumgr 이미지 관리 그룹 활성화 (이미지 업로드, 테스트, 확인, 슬롯 상태 조회)
 CONFIG_MCUMGR_GRP_IMG=y
 # mcumgr OS 관리 그룹 활성화 (시스템 정보 조회, 재부팅 등 OS 관련 명령 지원)
diff --git a/sysbuild.cmake b/sysbuild.cmake
index 965d725..884f2b3 100644
--- a/sysbuild.cmake
+++ b/sysbuild.cmake
@@ -29,4 +29,49 @@ if(SB_CONFIG_BOOTLOADER_MCUBOOT)
     CACHE INTERNAL
     "Extra devicetree overlay for the MCUboot image"
   )
+
+  list(APPEND mcuboot_EXTRA_ZEPHYR_MODULES
+    "${APP_DIR}/sysbuild/mcuboot_power_hold_module"
+  )
+  list(REMOVE_DUPLICATES mcuboot_EXTRA_ZEPHYR_MODULES)
+  set(
+    mcuboot_EXTRA_ZEPHYR_MODULES
+    "${mcuboot_EXTRA_ZEPHYR_MODULES}"
+    CACHE INTERNAL
+    "Extra Zephyr modules for the MCUboot image"
+  )
+endif()
+
+# DFU ZIP 파일명에 MCUboot 서명 버전을 붙인 복사본 생성
+set(APP_PRJ_CONF "${APP_DIR}/prj.conf")
+if(EXISTS "${APP_PRJ_CONF}")
+  file(READ "${APP_PRJ_CONF}" APP_PRJ_CONF_TEXT)
+
+  if(APP_PRJ_CONF_TEXT MATCHES "CONFIG_MCUBOOT_IMGTOOL_SIGN_VERSION=\"([^\"]+)\"")
+    set(DFU_ZIP_VERSION "${CMAKE_MATCH_1}")
+    set(DFU_ZIP_SUFFIX "${DFU_ZIP_VERSION}")
+
+    # 0.0.1+3 형식은 사용자가 구분하기 쉽도록 1+3만 사용
+    if(DFU_ZIP_VERSION MATCHES "^0\\.0\\.([0-9]+\\+[^+]+)$")
+      set(DFU_ZIP_SUFFIX "${CMAKE_MATCH_1}")
+    endif()
+
+    # 파일명에 쓰기 어려운 문자는 밑줄로 치환
+    string(REGEX REPLACE "[^A-Za-z0-9_.+-]" "_" DFU_ZIP_SUFFIX "${DFU_ZIP_SUFFIX}")
+
+    set(DFU_ZIP_SOURCE "${CMAKE_BINARY_DIR}/dfu_application.zip")
+    set(DFU_ZIP_VERSIONED "${CMAKE_BINARY_DIR}/dfu_application_${DFU_ZIP_SUFFIX}.zip")
+
+    add_custom_command(
+      OUTPUT "${DFU_ZIP_VERSIONED}"
+      COMMAND ${CMAKE_COMMAND} -E copy_if_different "${DFU_ZIP_SOURCE}" "${DFU_ZIP_VERSIONED}"
+      DEPENDS "${DFU_ZIP_SOURCE}"
+      COMMENT "Generating versioned DFU ZIP ${DFU_ZIP_VERSIONED}"
+      VERBATIM
+    )
+
+    add_custom_target(dfu_application_versioned_zip ALL
+      DEPENDS "${DFU_ZIP_VERSIONED}"
+    )
+  endif()
 endif()
diff --git a/sysbuild/mcuboot.overlay b/sysbuild/mcuboot.overlay
index b88e085..0d0ba61 100644
--- a/sysbuild/mcuboot.overlay
+++ b/sysbuild/mcuboot.overlay
@@ -1,5 +1,10 @@
 #include <zephyr/dt-bindings/gpio/gpio.h>
 
+/* MCUboot에서 P0.08을 UART0 RX로 잡지 않도록 비활성화 */
+&uart0 {
+	status = "disabled";
+};
+
 &gpio0 {
 	power_hold_hog: power_hold_hog {
 		gpio-hog;
diff --git a/sysbuild/mcuboot_power_hold_module/CMakeLists.txt b/sysbuild/mcuboot_power_hold_module/CMakeLists.txt
new file mode 100644
index 0000000..0ccef00
--- /dev/null
+++ b/sysbuild/mcuboot_power_hold_module/CMakeLists.txt
@@ -0,0 +1,4 @@
+cmake_minimum_required(VERSION 3.20.0)
+
+zephyr_library()
+zephyr_library_sources(src/mcuboot_power_hold_early.c)
diff --git a/sysbuild/mcuboot_power_hold_module/src/mcuboot_power_hold_early.c b/sysbuild/mcuboot_power_hold_module/src/mcuboot_power_hold_early.c
new file mode 100644
index 0000000..7ed7aac
--- /dev/null
+++ b/sysbuild/mcuboot_power_hold_module/src/mcuboot_power_hold_early.c
@@ -0,0 +1,14 @@
+#include <zephyr/init.h>
+#include <hal/nrf_gpio.h>
+
+#define POWER_HOLD_PIN 8U
+
+static int mcuboot_power_hold_early_init(void)
+{
+    nrf_gpio_pin_set(POWER_HOLD_PIN);
+    nrf_gpio_cfg_output(POWER_HOLD_PIN);
+
+    return 0;
+}
+
+SYS_INIT(mcuboot_power_hold_early_init, EARLY, 0);
diff --git a/sysbuild/mcuboot_power_hold_module/zephyr/module.yml b/sysbuild/mcuboot_power_hold_module/zephyr/module.yml
new file mode 100644
index 0000000..eb317c3
--- /dev/null
+++ b/sysbuild/mcuboot_power_hold_module/zephyr/module.yml
@@ -0,0 +1,2 @@
+build:
+  cmake: .