CN104219458A - High-definition multimedia LED display screen control system - Google Patents
High-definition multimedia LED display screen control system Download PDFInfo
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- CN104219458A CN104219458A CN201310240198.6A CN201310240198A CN104219458A CN 104219458 A CN104219458 A CN 104219458A CN 201310240198 A CN201310240198 A CN 201310240198A CN 104219458 A CN104219458 A CN 104219458A
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Abstract
The invention discloses a high-definition multimedia LED display screen control system which comprises a single-plate hardware circuit. The circuit comprises an ARM processor. The ARM processor is connected with a data memory and a high-speed internal memory through a bus. The ARM processor is further connected with a network communication interface, a USB sound card interface module, a USB expansion interface module, a sensor interface module, a clock circuit module and an FPGA. A video memory and a data output module are directly connected with the FPGA. The high-definition multimedia LED display screen control system has the advantages that the system can replace a computer to directly control an LED display screen, computer price is lowered greatly, and customer cost is reduced; the system adopting a hardware decoder is high in efficiency, videos are clear and smooth, video effects are much better than the video effects of software decoding; the system has an intelligent setting system and is adaptable to the routing of various screens on the market and compatible with various LED display screens.
Description
Technical field
The present invention relates to a kind of control system, more precisely a kind of high-definition multimedia led display screen control system.
Background technology
Most of led display screen all adopts a computer of configuration in the market, by computer, controls led display screen, so price dignitary a little, and is inconvenient to promote, and is also inconvenient to use.
Summary of the invention
Due to the above-mentioned shortcoming of prior art, the present invention proposes a kind of high-definition multimedia led display screen control system, and it can solve the above-mentioned shortcoming of prior art.
The present invention is by the following technical solutions:
A kind of high-definition multimedia led display screen control system, comprise single plate hardware circuit, this circuit comprises arm processor, described arm processor connects a data storage and a high-speed internal memory by bus, and described arm processor interconnection network communication interface also, Usb sound card interface module, Usb expansion connection module, sensor interface module, clock circuit module, fpga; One video memory, data outputting module are directly connected with described fpga.
On described arm processor, move a linux operating system module.
Described linux operating system module comprises network-driven module, usb driver module, timepiece drive module, storing driver module, general io expansion driving module, fpga load driver module, transducer driver module.
Described linux operating system comprises:
User network signal procedure module, is used to user that system intelligence setting is provided, screen body examination examination, and program is downloaded, usb expansion management, ip management;
User usb extender module, automatically detect usb expansion mouthful usb insertion with extract, can upgrade intrasystem working procedure, program, the functions such as extension storage;
User usb sound card program module, with the data communication of external usb sound card, provides the function of music;
Timing routine module, for providing clock district displaying scheme flexibly;
Word decode program module, the scheme that is used to system to provide kinds of words to show;
Picture decoding program module, is used to system to show the picture format of multiple main flow;
Video decode program module, built in hardware decoder, high efficiency is processed video information;
Transducer program module, for showing humiture and the brightness data of transducer;
Image filter module, for providing the display mode of multiple image;
Test program module, for providing the functional test of screen body;
Program file refresh routine module, the renewal of user's program is play;
Plurality of regions on screen management program module, for led display screen area is cut apart arbitrarily, independent or combination shows;
Screen body intelligent set program module, for the correct setting of led display screen parameter;
Ip management program module, for revising the ip address of system.
Also comprise the nios ii operating system module operating on fpga.
Nios ii operating system comprises video memory driver module.
In nios ii operating system, comprise: Arm interface routine module, for the storage to arm end data;
Gama correction program module, for the color correction to arm end data;
Gray scale extraction procedure module, extracts and integrates for the gray scale to arm end data;
Data output routine module, for the data demonstration of led display screen and the data communication of external sending card buckle.
Described arm processor and fpga all adopt the at a high speed on-chip system chip of 32, arm processor adopting hardware decoder.
The present invention has the following advantages:
High-definition multimedia led display screen control system of the present invention can replace computer, directly controls led display screen, is significantly less than computer price, thereby saves client cost; High-definition multimedia led display screen control system, adopts hardware decoder, and efficiency is high, video clear and smooth, and effect is far away higher than software decode; High-definition multimedia led display screen control system, has intelligent set system, can meet the cabling of various screen bodies on market, compatible various led display screens.
High-definition multimedia led display screen control system, expansion interface is abundant, can be by usb sound card interface expansion music, by usb expansion interface, can store large-capacity user data, pass through sensor interface, realize humiture data acquisition, and fpga data outputting module coordinates sending card buckle that data are transferred to receiving card by kilomega network, by increasing the cascade of receiving card, realize large scale display.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of high-definition multimedia led display screen control system, comprise single plate hardware circuit, this circuit comprises arm processor 5, and described arm processor connects a data storage 8 and a high-speed internal memory 9 by bus, and described arm processor is interconnection network communication interface 3 also, Usb sound card interface module 2, Usb expansion connection module 1, sensor interface module 4, clock circuit module, fpga6; One video memory 10, data outputting module 7 are directly connected with described fpga.
On described arm processor, move a linux operating system module.
Described linux operating system module comprises network-driven module, usb driver module, timepiece drive module, storing driver module, general io expansion driving module, fpga load driver module, transducer driver module.
Described linux operating system comprises:
User network signal procedure module, is used to user that system intelligence setting is provided, screen body examination examination, and program is downloaded, usb expansion management, ip management;
User usb extender module, automatically detect usb expansion mouthful usb insertion with extract, can upgrade intrasystem working procedure, program, the functions such as extension storage;
User usb sound card program module, with the data communication of external usb sound card, provides the function of music;
Timing routine module, for providing clock district displaying scheme flexibly;
Word decode program module, the scheme that is used to system to provide kinds of words to show;
Picture decoding program module, is used to system to show the picture format of multiple main flow;
Video decode program module, built in hardware decoder, high efficiency is processed video information;
Transducer program module, for showing humiture and the brightness data of transducer;
Image filter module, for providing the display mode of multiple image;
Test program module, for providing the functional test of screen body;
Program file refresh routine module, the renewal of user's program is play;
Plurality of regions on screen management program module, for led display screen area is cut apart arbitrarily, independent or combination shows;
Screen body intelligent set program module, for the correct setting of led display screen parameter;
Ip management program module, for revising the ip address of system;
The present invention also comprises the nios ii operating system module operating on fpga.
Nios ii operating system comprises video memory driver module.In nios ii operating system, comprise:
Arm interface routine module, for the storage to arm end data;
Gama correction program module, for the color correction to arm end data;
Gray scale extraction procedure module, extracts and integrates for the gray scale to arm end data;
Data output routine module, for the data demonstration of led display screen and the data communication of external sending card buckle.
Described arm processor and fpga all adopt the at a high speed on-chip system chip of 32, arm processor adopting hardware decoder.
Data outputting module in the present invention can external two kinds of purposes one be directly to connect led display screen; The 2nd, receive and send pinch plate, after by netting twine and receiving card, link, again can cascade between receiving card, every receiving card is controlled a region in large-size screen monitors.
Claims (8)
1. a high-definition multimedia led display screen control system, it is characterized in that, comprise single plate hardware circuit, this circuit comprises arm processor, and described arm processor connects a data storage and a high-speed internal memory by bus, and described arm processor is interconnection network communication interface also, Usb sound card interface module, Usb expansion connection module, sensor interface module, clock circuit module, fpga; One video memory, data outputting module are directly connected with described fpga.
2. high-definition multimedia led display screen control system according to claim 1, is characterized in that, moves a linux operating system module on described arm processor.
3. high-definition multimedia led display screen control system according to claim 2, it is characterized in that, described linux operating system module comprises network-driven module, usb driver module, timepiece drive module, storing driver module, general io expansion driving module, fpga load driver module, transducer driver module.
4. according to the high-definition multimedia led display screen control system described in claim 2 or 3, it is characterized in that, described linux operating system comprises:
User network signal procedure module, is used to user that system intelligence setting is provided, screen body examination examination, and program is downloaded, usb expansion management, ip management;
User usb extender module, automatically detect usb expansion mouthful usb insertion with extract, can upgrade intrasystem working procedure, program, the functions such as extension storage;
User usb sound card program module, with the data communication of external usb sound card, provides the function of music;
Timing routine module, for providing clock district displaying scheme flexibly;
Word decode program module, the scheme that is used to system to provide kinds of words to show;
Picture decoding program module, is used to system to show the picture format of multiple main flow;
Video decode program module, built in hardware decoder, high efficiency is processed video information;
Transducer program module, for showing humiture and the brightness data of transducer;
Image filter module, for providing the display mode of multiple image;
Test program module, for providing the functional test of screen body;
Program file refresh routine module, the renewal of user's program is play;
Plurality of regions on screen management program module, for led display screen area is cut apart arbitrarily, independent or combination shows;
Screen body intelligent set program module, for the correct setting of led display screen parameter;
Ip management program module, for revising the ip address of system.
5. high-definition multimedia led display screen control system according to claim 1, is characterized in that, also comprises the nios ii operating system module operating on fpga.
6. high-definition multimedia led display screen control system according to claim 5, is characterized in that, nios ii operating system comprises video memory driver module.
7. high-definition multimedia led display screen control system according to claim 6, is characterized in that, in nios ii operating system, comprises:
Arm interface routine module, for the storage to arm end data;
Gama correction program module, for the color correction to arm end data;
Gray scale extraction procedure module, extracts and integrates for the gray scale to arm end data;
Data output routine module, for the data demonstration of led display screen and the data communication of external sending card buckle.
8. according to the high-definition multimedia led display screen control system described in any one in claim 1 to 7, it is characterized in that, described arm processor and fpga all adopt the at a high speed on-chip system chip of 32, arm processor adopting hardware decoder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310240198.6A CN104219458A (en) | 2013-06-03 | 2013-06-03 | High-definition multimedia LED display screen control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310240198.6A CN104219458A (en) | 2013-06-03 | 2013-06-03 | High-definition multimedia LED display screen control system |
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| CN201310240198.6A Pending CN104219458A (en) | 2013-06-03 | 2013-06-03 | High-definition multimedia LED display screen control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023881A (en) * | 2016-07-14 | 2016-10-12 | 成都安程通科技有限公司 | FPGA-based LED video display screen control system |
| CN106057123A (en) * | 2016-07-14 | 2016-10-26 | 成都安程通科技有限公司 | Automatic light modulation display screen control system |
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| CN101447171A (en) * | 2007-11-27 | 2009-06-03 | 上海熙讯电子科技有限公司 | Embedded multimedia LED display screen control system |
| CN102157131A (en) * | 2011-04-15 | 2011-08-17 | 深圳市摩西尔电子有限公司 | LED (Light Emitting Diode) display screen and LED control system |
| CN201984784U (en) * | 2011-03-17 | 2011-09-21 | 生茂光电科技股份有限公司 | LED (light-emitting diode) image-text screen control card circuit |
| CN202102691U (en) * | 2011-06-13 | 2012-01-04 | 南京德普达电子技术有限公司 | Embedded LED display screen full-color synchronization playing apparatus |
| CN202855261U (en) * | 2012-09-25 | 2013-04-03 | 南京德普达电子技术有限公司 | Asynchronous LED display screen full-color synchronous play control system |
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2013
- 2013-06-03 CN CN201310240198.6A patent/CN104219458A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447171A (en) * | 2007-11-27 | 2009-06-03 | 上海熙讯电子科技有限公司 | Embedded multimedia LED display screen control system |
| CN201984784U (en) * | 2011-03-17 | 2011-09-21 | 生茂光电科技股份有限公司 | LED (light-emitting diode) image-text screen control card circuit |
| CN102157131A (en) * | 2011-04-15 | 2011-08-17 | 深圳市摩西尔电子有限公司 | LED (Light Emitting Diode) display screen and LED control system |
| CN202102691U (en) * | 2011-06-13 | 2012-01-04 | 南京德普达电子技术有限公司 | Embedded LED display screen full-color synchronization playing apparatus |
| CN202855261U (en) * | 2012-09-25 | 2013-04-03 | 南京德普达电子技术有限公司 | Asynchronous LED display screen full-color synchronous play control system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023881A (en) * | 2016-07-14 | 2016-10-12 | 成都安程通科技有限公司 | FPGA-based LED video display screen control system |
| CN106057123A (en) * | 2016-07-14 | 2016-10-26 | 成都安程通科技有限公司 | Automatic light modulation display screen control system |
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Application publication date: 20141217 |