主要实现STM32F1系列单片机利用CAN接口做bootload引导程序，实现IAP更新应用程序。-The main achievement STM32F1 MCU using the CAN interface to do bootload boot procedures, IAP update the application.

通过蓝牙实现手机与串口数据互传，可实现数据双向传递(The two-way transmission of data between mobile phone and serial port can be realized through Bluetooth, and the two-way transmission of data can be realized)