A method of communication between a vehicle and an instrument
A communication method and vehicle technology, applied in the field of communication, can solve the problems of small amount of information carried, slow electronic communication speed in the cockpit, and inability to expand, and achieve the effect of improving scalability, stable and efficient communication process
Active Publication Date: 2022-08-02
常州新途软件有限公司
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is: in order to solve the problems in the prior art that the communication speed of the cockpit electronics is slow, the amount of information carried is small and cannot be expanded, the present invention provides a communication method between the vehicle and the instrument to solve the above problems
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[0031] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.
[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Axial, Radial, Circumferential, etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the p...
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The invention provides a communication method between a vehicle and an instrument, comprising the following steps: starting the instrument, running a data processing module, and configuring a network so that the network interface of the instrument and the network interface of the vehicle are in the same network segment; Communicate with the instrument through the first channel and the second channel, wherein the first channel adopts the TCP communication protocol, and the second channel adopts the UDP communication protocol; create a PPS file, and the data processing module transmits the data from the vehicle and the machine. After parsing, it is written into the PPS file, and each functional module of the meter monitors the PPS file corresponding to its function; each functional module of the meter executes instructions, displays content or plays content according to the update of the PPS file. This communication method between the vehicle and the instrument improves the scalability of the communication between the vehicle and the instrument, and uses the PPS file subscription method to allow each functional module in the instrument to receive the vehicle data, making the entire communication process more stable and efficient. Efficient.
Description
technical field [0001] The invention relates to the field of communication, in particular to a communication method between a vehicle and an instrument. Background technique [0002] With the rapid development of automotive electronic technology, the performance of cockpit electronics has attracted more and more attention. The cockpit electronics of the car are mainly composed of full LCD instrumentation, in-vehicle infotainment system, car networking module, head-up display HUD and other equipment. The cockpit electronics contain rich functions, among which the interaction between the LCD instrumentation and the car machine is a very important part of the cockpit electronics. . In the prior art, LVDS is generally used to transmit image data and other auxiliary information is transmitted through CAN. This communication method not only requires additional hardware costs, but also has the disadvantages of slow communication speed, small amount of information, and inability to...
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IPC IPC(8): H04L67/06H04L67/12H04L67/52H04L69/16H04L69/163H04L69/164
CPCH04L67/06H04L67/12H04L69/164H04L69/163H04L69/162H04L67/52
Inventor 蒋楠
Owner 常州新途软件有限公司