主要通过RS232串口发送文件，可以用于一般的软件更新-Mainly through RS232 serial port to send files, and it can be used for general software updates.

多线程的,事件触发的串口测试软件,支持16进制,ASCII码,可加多种校验码,(Multi-threaded, event trigger a serial port test software, support hexadecimal and ASCII, add a variety of check code,)