USB通讯源代码，在XP下编译测试通过，通过Buffer读写实现-USB communication source code, compiled in the XP test, reading and writing achievement through Buffer

51单片机通过USB100模块与电脑通过USB总线传输采集的温度数据。-51 MCU module and the computer through the USB100 USB bus transmission through the collection of temperature data.