Instrument information transmission device and method based on USB communication

• Main Authors: XIA XIAODONG, XIE LIANGHUI, CUI JIAN, DU JIE, SU PENGJUN
• Format: Patent
• Language: Chinese; English
• Published: 17.01.2020
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PERFORMING OPERATIONS; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION; TRANSPORTING; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR

The invention discloses an instrument information transmission device and method based on USB communication, and relates to the field of automobile instrument communication. The invention aims to solve the problem that an existing information interaction mode of an automobile instrument and a central control screen has limitation. According to the invention, the USB driving programs of the USB modules in the full liquid crystal instrument and the vehicle-mounted central control screen are changed into Ethernet driving programs, so that the USB port is simulated into an Ethernet port; the instrument is used as a client, and the central control screen is used as a server; a request is initiated to a server side through a client side, so that the client side and the server side are connectedthrough a TCP/IP network protocol, and a built-in function performs data exchange between a USB bottom layer and a virtual network. The method is suitable for interaction of navigation information andentertainment information