rovina d2b8bd7940 Initial commit: STM32 Bootloader extension module ...

Add a production-ready, educational bootloader extension for STM32 MCUs.

Core features:
- Custom binary protocol with CRC16/CRC32 verification
- AES-256 encryption for firmware security
- Dual-bank firmware management with rollback support
- Version management and firmware validation
- Modular architecture with BSP abstraction layer

Project structure:
- include/: Header files (bootloader.h, bsp_flash.h, bsp_uart.h)
- src/: Core implementation (bootloader, protocol, crypto, firmware manager)
- port/: MCU-specific adaptation layer (STM32F4xx)
- docs/: Documentation (integration guide, porting guide)

Supported platforms:
- STM32F4xx (primary)
- STM32F1xx (via porting)

Quick start:
1. Copy extension module to project
2. Configure bootloader_config.h
3. Modify linker script for APP_BASE_ADDR
4. Build and flash bootloader to 0x08000000

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-04-02 15:03:51 +08:00

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