test_led_strip/sysbuild.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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# 启用 MCUboot bootloader
SB_CONFIG_BOOTLOADER_MCUBOOT=y
# 固件签名密钥(开发阶段用 MCUboot 自带密钥,量产替换为自生成密钥)
SB_CONFIG_BOOT_SIGNATURE_KEY_FILE="${ZEPHYR_BASE}/../bootloader/mcuboot/root-rsa-2048.pem"