USB-CAN的VC接口程序。与ARM进行通讯，很详细。-The VC USB-CAN interface program. Communicate with the ARM, very detailed.

串口是计算机上一种非常通用设备通信的协议（不要与通用串行总线Universal Serial Bus或者USB混淆）.其中包含了arm和51版本的串口程序，但是也不好公开，就公开一个51版本的吧，都差不多，很容易移植的-Computer serial port is a very common device communication protocol (not with the Universal Serial Bus Universal Serial Bus or USB confusion

ARM开发板，android系统通过4个RS232（或USB）口同时收发数据。-ARM development board, android system via four RS232 (or USB) port to send and receive data simultaneously.

常见的usb串口线基本上都支持了：FT232R，PL2303，CP210x，CH340 还支持USB CDC协议：ATmega32U4， V-USB software USB，ARM mbed DAPLink firmware(supported hardware: FT232R, PL2303, CP210x, CH340 ATmega32U4, V-USB software USB, ARM mbed DAPLink firmware)