Image superposition display method for automobile full-liquid-crystal instrument

A liquid crystal instrument and superimposed display technology, applied in the electrical field, can solve the problem of unsatisfactory image superimposed display method, and achieve the effect of reducing system performance overhead and optimizing bandwidth overhead

Active Publication Date: 2019-10-18
YANFENG VISTEON ELECTRONICS TECH (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a kind of image overlay display method that is used for automobile full liquid crystal instrument, and described this kind of image overlay display method that is used for automobile full liquid crystal instrument should solve the unsatisfactory technology of image overlay display method in the prior art question

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  • Image superposition display method for automobile full-liquid-crystal instrument
  • Image superposition display method for automobile full-liquid-crystal instrument
  • Image superposition display method for automobile full-liquid-crystal instrument

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Embodiment 1

[0067] Such as image 3 and Figure 4 As shown, the image overlay display method for automotive full liquid crystal instrument of the present invention includes a process of inputting instructions to the microprocessor, and the microprocessor is a chip belonging to the imx6 series, and the chips of the imx6 series are all It includes an extended interface glTexDirectVIVMap, wherein the process of inputting instructions to the microprocessor includes a step of storing instruction codes in the memory, and a step of inputting the instruction codes into the microprocessor for execution.

[0068] Further, in the described step of inputting the instruction code into the microprocessor, through the described extension interface glTexDirectVIVMap, the image generated by the instrument software software and the image from the LVDS in video cable are displayed in a mode of video memory binding. The image of the remote central control entertainment device.

[0069] Further, the step of...

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Abstract

The invention discloses an image superposition display method for an automobile full-liquid-crystal instrument. The method comprises a process of inputting an instruction to an imx6 series microprocessor, a chip comprising an expansion interface glTexDirectVIVMap, and the process of inputting the instruction to the microprocessor comprising a step of storing an instruction code in a memory and a step of inputting the instruction code into the microprocessor for execution. And through an expansion interface glTexDirectVIVMap, an image generated through instrument software and an image from far-end central control entertainment equipment of the LVDS in video cable are displayed in a video memory binding mode. Based on a QNX operating system on imx6 series chips, hardware modules of GPUs in the chips are fully utilized, an imx6 special expansion interface is adopted, a video memory binding mode is used for replacing a mode of continuously generating new textures, and bandwidth expenditureof video data frame copying is optimized.

Description

Technical field: [0001] The invention relates to the electrical field, in particular to human-computer interaction technology, in particular to a touch screen, and in particular to an image overlay display method for a full liquid crystal instrument of an automobile. Background technique: [0002] In the prior art, some automobile full liquid crystal instrument products need to display the instrument man-machine interface and the navigation map at the same time, and the instrument interface is generally covered on the navigation map. The navigation map usually runs on the remote central control entertainment device, and the navigation map frame data is transmitted to the instrument device through the LVDSin video cable. The instrument software projects the LVDS in video to the instrument display. Generally, there are two solutions: [0003] Option 1) if figure 1 As shown, the sampled data frames are directly copied to the first-layer pipeline of the chip through the chip V...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F8/38G06F9/30
CPCG06F8/38G06F9/30
Inventor 王家力李璟郑家伟
Owner YANFENG VISTEON ELECTRONICS TECH (SHANGHAI) CO LTD
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