Multi-screen display control method and device, embedded processing system and video controller
A technology of display controller and multi-screen display, which is applied in electrical digital data processing, digital output to display devices, input/output process of data processing, etc. , to achieve the effect of improving interactivity, reducing the cost of hardware equipment and running smoothly
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[0028] First embodiment
[0029] Such as figure 1 As shown, the multi-screen display control method provided in the first embodiment of the present invention includes:
[0030] Step S11: Match the display controller nodes in the device information list in sequence, and execute a designated function after each successful match to obtain the information of the display controller nodes;
[0031] Step S13: construct a display storage space corresponding to the information of the display controller node according to the acquired information of each display controller node, and generate a display content input node corresponding to each display storage space;
[0032] Step S15: receiving content to be displayed through a plurality of the display content input nodes, and inputting the content to be displayed into the corresponding display storage space; and
[0033] Step S17: Display and output the content to be displayed in the display storage space corresponding to each of the multiple displ...
Example
[0039] Second embodiment
[0040] Such as image 3 As shown, a multi-screen display control device 30 provided in the second embodiment of the present invention includes:
[0041] The node information obtaining module 31 is configured to sequentially match the display controller nodes in the device information list, and execute a specified function after each successful match to obtain the information of the display controller nodes;
[0042] The storage space construction and input node generation module 33 is configured to construct a display storage space corresponding to the information of the display controller node according to the acquired information of each display controller node, and generate a display storage space corresponding to each of the display controller nodes. The display content input node corresponding to the space;
[0043] The display content receiving module 35 is configured to respectively receive the content to be displayed through a plurality of the displa...
Example
[0047] The third embodiment
[0048] Such as Figure 4 As shown, an embedded processing system 20 installed with an embedded operating system, such as a Linux operating system, provided in the third embodiment of the present invention includes an embedded processing chip 21, multiple display controllers, and a memory 22. Both the display controller 23 and the display controller 24 are built in the embedded processing chip 21, and the memory 22 is connected to the embedded processing chip 21. It should be pointed out that Figure 4 Only two display controllers 23 and 24 are listed in, but the embedded processing system involved in the embodiment of the present invention is not limited to two display controllers, and can also be more display controllers such as LCD controllers.
[0049] Specifically, in order to achieve multi-screen display video output, such as multi-screen different display video output, instructions that can be executed by the embedded processing chip, such as a d...
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