Full-liquid crystal virtual instrument based on double-MCU hardware framework and operation control method thereof
A technology of virtual instrument and liquid crystal, applied in the direction of instruments, optical components, vehicle components, etc., can solve the problems of engineers' development difficulties, lack, hardware design, system design difficulties, etc., to achieve platform-based development, save development costs, and shorten development. effect of cycle
Inactive Publication Date: 2017-02-22
上海仪电汽车电子系统有限公司
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Problems solved by technology
[0003] This puts forward higher requirements for the hardware design of the automobile instrument cluster, and various harsh conditions make hardware design and system design more difficult, causing engineers to develop difficulties
In the existing technology, there is a lack of reliable hardware means that can not only realize the characteristics of traditional instruments and full liquid crystal virtual instruments, but also reduce the difficulty of development
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[0046] The following will combine figure 1 and figure 2 A detailed description of the full liquid crystal virtual instrument based on the dual MCU hardware architecture and its operation control method provided by the present invention is an optional embodiment of the present invention. It can be considered that those skilled in the art will not change the spirit and content of the present invention. To the extent possible, it can be modified and polished.
[0047] The present invention provides a full liquid crystal virtual instrument based on dual MCU hardware architecture, comprising a liquid crystal screen 4, said liquid crystal screen 4 comprising a liquid crystal driver board 4.1 and a liquid crystal backlight board 4.2, and also including a main MCU system 1 and an auxiliary MCU system 2; The communication connection between the main MCU system 1 and the auxiliary MCU system 2;
[0048] The main MCU system 1 is respectively connected to the vehicle entertainment syst...
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The invention provides a full-liquid crystal virtual instrument based on a double-MCU hardware framework and an operation control method thereof. The full-liquid crystal virtual instrument comprises a liquid crystal screen as well as a main MCU system and an auxiliary MCU system, wherein the liquid crystal screen comprises a liquid crystal driving plate and a liquid crystal backlight plate; the main MCU system and the auxiliary MCU system are in communication connection; the main MCU system is connected with an overall entertainment system and a liquid crystal driving plate respectively, is used for operating an operation system, and furthermore interacts with the overall entertainment system and the liquid crystal driving plate; the main MCU system at least comprises a main MCU; the auxiliary MCU system is connected with an overall basis system and the liquid crystal backlight plate respectively; the auxiliary MCU system at least comprises an auxiliary MCU.
Description
technical field [0001] The invention relates to the field of automobile instruments, in particular to a full liquid crystal virtual instrument based on a double MCU hardware framework and an operation control method thereof. Background technique [0002] As an important source of information for the driver to obtain vehicle status, the automobile combination instrument has high requirements for safety and reliability. In principle, damage is not allowed during driving. In the field, in addition to traditional instruments, a full liquid crystal virtual instrument technology It has also been proposed that, compared with traditional instruments, full LCD virtual instruments require a faster MCU in terms of performance, support for 3D acceleration engines, use real-time operating systems, and have high-speed video signal input and output processing functions. [0003] This puts forward higher requirements for the hardware design of the automobile instrument cluster, and various ...
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IPC IPC(8): B60K35/00G02B27/01
CPCG02B27/01B60K35/00B60K35/213B60K35/22B60K35/81
Inventor 左小乐杨晓东
Owner 上海仪电汽车电子系统有限公司