test_led_strip/sysbuild/mcuboot.conf
zhangyisong de68631faf Add DFU support with MCUboot serial recovery
Implement device firmware upgrade using MCUboot Serial Recovery over
usart1 (reusing the existing protocol UART). The application layer
handles upgrade commands (0xFF) to trigger bootloader entry, while
MCUboot manages the actual firmware swap with RSA signature
verification.

Key additions:
- sysbuild.conf to enable MCUboot bootloader with signing key
- mcuboot.conf with serial recovery and watchdog feed settings
- Kconfig option APP_DFU (default y) with conditional compilation
- dfu.cpp module for DFU initialization
- Upgrade command callback in com.hpp (bootmode_set + sys_reboot)
- Documentation for upgrade procedures and change notes
2026-08-18 21:39:59 +08:00

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# ── Serial Recovery 配置 ──
CONFIG_MCUBOOT_SERIAL=y
CONFIG_BOOT_SERIAL_UART=y
# 禁用 GPIO 按钮检测
CONFIG_BOOT_SERIAL_ENTRANCE_GPIO=n
# 等待 mcumgr 命令触发进入 serial recovery
CONFIG_BOOT_SERIAL_WAIT_FOR_DFU=y
CONFIG_BOOT_SERIAL_WAIT_FOR_DFU_TIMEOUT=3000
# 喂狗(避免升级过程中看门狗复位)
CONFIG_BOOT_WATCHDOG_FEED=y
# ── 签名验证 ──
CONFIG_BOOT_SIGNATURE_TYPE_RSA=y
# ── 优化 ──
CONFIG_BOOT_ERASE_PROGRESSIVELY=y
# ── 日志 ──
CONFIG_MCUBOOT_LOG_LEVEL_WRN=y