usb接口芯片CH375设备端头文件，包括文件的读，写及芯片初始化-usb interface chip equipment CH375-header files, including documents of reading, writing and chip initialization

CH375芯片的头文件用于帮助开发应用usb接口芯片的应用开发-CH375 chip header file used to help the development and application of usb interface chip application development