linux下usb设备的驱动开发，分层设计。驱动公司私有设备，设备包含hid设备和声卡两个硬件，使用libusb1.0，包含日志文件，配置文件，硬件设备消息编解码等。(Linux USB device driver development, layered design. Drive the company's private device, the device contains two hardware of HID device and sound card, and uses libus