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An interface access method, display device and electronic device

An interface access and display device technology, applied in CAD circuit design, TV, color TV, etc., can solve problems such as interface access conflicts, and achieve the effect of ensuring real-time performance and avoiding interface access conflicts.

Active Publication Date: 2022-08-09
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides an interface access method, a display device and electronic equipment to solve the problem that the interface of the field programmable gate array board card will be accessed by multiple threads simultaneously in the application of the screen menu, which will cause access conflicts on the interface

Method used

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  • An interface access method, display device and electronic device
  • An interface access method, display device and electronic device
  • An interface access method, display device and electronic device

Examples

Experimental program
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Effect test

Embodiment 1

[0050] refer to figure 1 , showing a flow chart of the steps of an interface access method according to Embodiment 1 of the present invention. The method is applied to a display device, and the display device includes an on-screen menu board (hereinafter referred to as an OSD board) and a field programmable gate array board. (hereinafter referred to as FPGA board), the OSD board and the FPGA board are connected through an interface. The following specifically provides a display device including an interface-connected OSD board and an FPGA board, that is, an 8K monitor, refer to figure 2 , which shows a schematic diagram of the basic structure of an 8K monitor according to Embodiment 1 of the present invention. The 8K monitor is an indispensable display device currently used to realize ultra-high-definition video playback and live broadcast.

[0051] refer to figure 2 The 8K monitor may include an OSD board 10 and an FPGA board 20 connected by an interface, and an 8K display ...

Embodiment 2

[0114] refer to Figure 8 , showing a structural block diagram of a display device according to the second embodiment of the present invention, the display device includes an on-screen menu board 100 and a field programmable gate array board 200, the on-screen menu board 100 and the field programmable The gate array board 200 is connected through the interface 01;

[0115] The on-screen menu board 100 is configured to periodically access the interface according to a preset access mode when receiving a viewing instruction for the volume interface of the audio input device, and through the interface, from the field programmable gate The audio input device volume data and the video channel access status data are read interleaved in the array board 200; the preset access mode includes, in each cycle, the interface to the audio input device volume data that is executed every first preset number of times After the access operation, perform a second preset number of interface access...

Embodiment 3

[0121] The embodiment of the present invention also discloses an electronic device, including the above-mentioned display device.

[0122] In the embodiment of the present invention, the on-screen menu board of the display device can periodically access the interface according to the following preset access mode when receiving a user-triggered viewing instruction for the volume interface of the audio input device. The preset access mode Including, in each cycle, after performing the interface access operation to the audio input device volume data for a first preset number of times, performing the interface access operation to the video channel access state data for a second preset number of times. After that, the on-screen menu board can read audio input device volume data and video channel access status data interleaved from the field programmable gate array board through the interface with the field programmable gate array board of the display device, thereby The serial acce...

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Abstract

The invention provides an interface access method, a display device and an electronic device, and relates to the technical field of display. Wherein, the method includes: when the screen menu board receives a viewing instruction of the microphone volume interface, periodically accessing the interface according to a preset access mode, the preset access mode is included in each cycle, and each time the first preset access mode is executed After the interface access operation to the microphone volume data for the second preset number of times, the interface access operation to the video channel access status data is performed for the second preset number of times; Microphone volume data and video channel access status data. In this way, the serial access of the interface between the on-screen menu board and the field programmable gate array board can be realized, the interface access conflict is avoided, and the real-time performance of the microphone volume data and the video channel access status data is ensured.

Description

technical field [0001] The present invention relates to the field of display technology, and in particular, to an interface access method, a display device and an electronic device. Background technique [0002] In a display device such as a high-resolution monitor, in addition to the display screen, two interfaces can usually be displayed, one is an OSD (on screen display, on-screen menu) used to display setting information such as contrast, and the other is A pop-up box used to display related properties such as playback volume and access signal. The OSD interface and the pop-up box are both displayed and managed by the OSD application. [0003] At present, all setting operations used for display in OSD applications are implemented by the OSD board sending commands to the FPGA (Field-Programmable Gate Array, Field Programmable Gate Array) board through the interface. As a shared device, each Only one read or write operation is allowed at a time, but in the current applic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/445H04N7/18
CPCH04N5/44504H04N7/18G06F30/34H04N21/4852G06F3/167G06F3/165
Inventor 公维冰
Owner BOE TECH GRP CO LTD
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