CN104103241A - LED (Light Emitting Diode) display screen control system based on ARM (Asynchronous Response Mode) processor - Google Patents
LED (Light Emitting Diode) display screen control system based on ARM (Asynchronous Response Mode) processor Download PDFInfo
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- CN104103241A CN104103241A CN201410378393.XA CN201410378393A CN104103241A CN 104103241 A CN104103241 A CN 104103241A CN 201410378393 A CN201410378393 A CN 201410378393A CN 104103241 A CN104103241 A CN 104103241A
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Abstract
The invention provides an LED (Light Emitting Diode) display screen control system based on an ARM (Asynchronous Response Mode) processor. The LED panel control system at least comprises an ARM processor, a data buffer module and a data storage module, wherein the data buffer module and the data storage module are connected with the ARM processor; the data storage module is used for storing video data to be played; the data buffer module is used for buffering the played video data and the ARM processor is used for processing the video data to be played obtained from the data storage module, and transmitting the processed video data to the LED display screen. According to the LED display screen control system based on an ARM processor provided by the invention, by selecting an ARM chip, the cost of the LED display screen control system can be effectively reduced, the efficiency of the video processing can be effectively improved, and the display effect of the LED display screen can be ensured.
Description
Technical field
The present invention relates to a kind of LED display control system, particularly relate to a kind of LED display control system based on arm processor.
Background technology
LED display is made up of a lot of light emitting diodes, shows character by the light on and off of each light emitting diode.The various information such as LED display can display text, figure, image, animation, video, video recording, the information that has been widely used in the ground such as large-scale square, stadiums, harbor station, securities exchange shows.
LED display control system is the control core of LED display, and the function of control system is directly connected to the display effect of LED display.But the structure of existing LED display control system is comparatively complicated, cost is high, and integrated level is low.
Along with LED industry constantly develops, display effect and the display capabilities of people to LED display had higher requirement.Existing LED display control system cannot meet middle-end client to LED display control system the double requirements on performance and cost.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of LED display control system based on arm processor, by adopting arm processor, meets the double requirements of middle-end client to LED display control system performance and cost.
For achieving the above object and other relevant objects, the invention provides a kind of LED display control system based on arm processor, at least comprise: arm processor, data cache module and data memory module; Described data cache module is all connected with described arm processor with described data memory module; Described data memory module is for storing video data to be played; The video data that described data cache module is play for buffer memory; Described arm processor is for the treatment of the video data to be played obtaining from described data memory module, and video data transmitting after treatment is delivered in LED display.
According to the above-mentioned LED display control system based on arm processor, wherein: described arm processor is ARM Cortex-A8 processor.
According to the above-mentioned LED display control system based on arm processor, wherein: described data memory module comprises USB flash disk, EMMC and SD card.
According to the above-mentioned LED display control system based on arm processor, wherein: described data cache module adopts DDR3.
According to the above-mentioned LED display control system based on arm processor, wherein: described arm processor comprises system control module, video processing module and system data sending module.
Further, according to the above-mentioned LED display control system based on arm processor, wherein: described system control module is used for realizing system parameter setting and system management; Described video processing module is used for decoding video data to be played, and according to procotol, the data of having decoded is encoded according to specific network data form; Described system data sending module is for sending to data after treatment described video processing module in LED display and show.
Further, according to the above-mentioned LED display control system based on arm processor, wherein: described system control module is by the existing system parameter setting of the first kilomega network cause for gossip on described arm processor and system management.
Further, according to the above-mentioned LED display control system based on arm processor, wherein: described system data sending module is sent to data after treatment described video processing module in LED display and shows by the second gigabit network interface on described arm processor.
Further, according to the above-mentioned LED display control system based on arm processor, wherein: the video format that described video processing module can be decoded comprises RM, FLV, MOV, VOB, AVI, MKV, TS, WMV, MP4 and FLV.
As mentioned above, the LED display control system based on arm processor of the present invention, has following beneficial effect:
(1), by suitable arm processor, effectively reduced the cost of LED display control system;
(2) effectively improve the efficiency of Video processing, ensured the display effect of LED display.
Brief description of the drawings
Fig. 1 is shown as the framed structure schematic diagram of the LED display control system based on arm processor of the present invention;
Fig. 2 is shown as the hardware configuration schematic diagram of the LED display control system based on arm processor of the present invention;
Fig. 3 is shown as the framed structure schematic diagram of arm processor in the present invention.
Element numbers explanation
1 arm processor
2 EMMC
3 SD cards
4 USB flash disks
5 DDR
6 first gigabit network interfaces
7 second gigabit network interfaces
Embodiment
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this instructions.The present invention can also be implemented or be applied by other different embodiment, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy and only show with assembly relevant in the present invention in graphic but not component count, shape and size drafting while implementing according to reality, when its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
With reference to Fig. 1-Fig. 3, the LED display control system based on arm processor of the present invention comprises arm processor 1, data cache module 2 and data memory module 3.Wherein, data cache module 2 is all connected with arm processor 1 with data memory module 3.
Data memory module 3 is for storing video data to be played.In the present embodiment, data memory module 3 comprises USB flash disk 31, EMMC32 and SD card 33, is connected respectively by corresponding memory interface with arm processor.
The video data that data cache module 2 is play for buffer memory.Preferably, in the present invention, data cache module 2 can adopt the DDR321 of 1GB, and it is connected with arm processor 1 by corresponding interface.
Arm processor 1 is for the treatment of video data to be played, and video data transmitting after treatment is delivered in LED display.Particularly, arm processor has the first gigabit network interface 11 and the second gigabit network interface 12, and comprises system control module 13, video processing module 14 and system data sending module 15.
Particularly, system control module 13 is for realizing system parameter setting and system management by the first gigabit network interface 11.
Video processing module 14 is for the video data to be played of decoding, and according to procotol, the data of having decoded encoded according to specific network data form.Preferably, this video processing module can be decoded to common various video form, as RM, FLV, MOV, VOB, AVI, MKV, TS, WMV, MP4, FLV etc.
System data sending module 15 is for being sent to data after treatment video processing module 14 in LED display and shown by the second gigabit network interface 12.
Preferably, the arm processor in the present embodiment adopts ARM Cortex-A8 processor.ARM Cortex-A8 processor is based on ARMv7 architecture, more than speed can being brought up to 1GHz from 600MHz.Can the satisfy the demand power optimization requirement of the mobile device moving below 300mW of ARM Cortex-A8 processor; And need the performance optimization requirement of the consumer application of 2000Dhrystone MIPS.By adopting ARM Cortex-A8 chip, in reducing the cost of system, effectively improve the efficiency of Video processing.
In sum, LED display control system based on arm processor of the present invention is by adopting arm processor, effectively reduce the cost of LED display control system, effectively improved the efficiency of Video processing simultaneously, ensured the display effect of LED display.So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (9)
1. the LED display control system based on arm processor, is characterized in that, at least comprises: arm processor, data cache module and data memory module; Described data cache module is all connected with described arm processor with described data memory module;
Described data memory module is for storing video data to be played;
The video data that described data cache module is play for buffer memory;
Described arm processor is for the treatment of the video data to be played obtaining from described data memory module, and video data transmitting after treatment is delivered in LED display.
2. the LED display control system based on arm processor according to claim 1, is characterized in that: described arm processor is ARM Cortex-A8 processor.
3. the LED display control system based on arm processor according to claim 1, is characterized in that: described data memory module comprises USB flash disk, EMMC and SD card.
4. the LED display control system based on arm processor according to claim 1, is characterized in that: described data cache module adopts DDR3.
5. the LED display control system based on arm processor according to claim 1, is characterized in that: described arm processor comprises system control module, video processing module and system data sending module.
6. the LED display control system based on arm processor according to claim 5, is characterized in that: described system control module is used for realizing system parameter setting and system management; Described video processing module is used for decoding video data to be played, and according to procotol, the data of having decoded is encoded according to specific network data form; Described system data sending module is for sending to data after treatment described video processing module in LED display and show.
7. the LED display control system based on arm processor according to claim 6, is characterized in that: described system control module is by the existing system parameter setting of the first kilomega network cause for gossip on described arm processor and system management.
8. the LED display control system based on arm processor according to claim 6, is characterized in that: described system data sending module is sent to data after treatment described video processing module in LED display and shows by the second gigabit network interface on described arm processor.
9. the LED display control system based on arm processor according to claim 5, is characterized in that: the video format that described video processing module can be decoded comprises RM, FLV, MOV, VOB, AVI, MKV, TS, WMV, MP4 and FLV.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410378393.XA CN104103241A (en) | 2014-08-04 | 2014-08-04 | LED (Light Emitting Diode) display screen control system based on ARM (Asynchronous Response Mode) processor |
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| CN201410378393.XA CN104103241A (en) | 2014-08-04 | 2014-08-04 | LED (Light Emitting Diode) display screen control system based on ARM (Asynchronous Response Mode) processor |
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| CN201111845Y (en) * | 2007-07-12 | 2008-09-10 | 鲍海军 | ARM chip control LED display screen U disk control system |
| CN101515436A (en) * | 2008-12-25 | 2009-08-26 | 西安青松科技股份有限公司 | Embedded LED display screen 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 |
| CN102438106A (en) * | 2011-12-21 | 2012-05-02 | 成都众询科技有限公司 | Video acquisition system |
| CN202502713U (en) * | 2012-01-12 | 2012-10-24 | 上海灵信信息科技有限公司 | LED display screen controller based on SOPC |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201111845Y (en) * | 2007-07-12 | 2008-09-10 | 鲍海军 | ARM chip control LED display screen U disk control system |
| CN101515436A (en) * | 2008-12-25 | 2009-08-26 | 西安青松科技股份有限公司 | Embedded LED display screen 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 |
| CN102438106A (en) * | 2011-12-21 | 2012-05-02 | 成都众询科技有限公司 | Video acquisition system |
| CN202502713U (en) * | 2012-01-12 | 2012-10-24 | 上海灵信信息科技有限公司 | LED display screen controller based on SOPC |
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Application publication date: 20141015 |