CN206294385U - A kind of LED landscape lamp control system based on FPGA - Google Patents
A kind of LED landscape lamp control system based on FPGA Download PDFInfo
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- CN206294385U CN206294385U CN201621280773.0U CN201621280773U CN206294385U CN 206294385 U CN206294385 U CN 206294385U CN 201621280773 U CN201621280773 U CN 201621280773U CN 206294385 U CN206294385 U CN 206294385U
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Abstract
The utility model discloses a kind of LED landscape lamp control system based on FPGA, it is characterized in that, including sdram memory, SD card module, touch-screen, FPGA module, ethernet module, PC host computers and driving chip, ethernet module is provided with RJ45 interfaces, for connecting PC host computers, the FPGA module includes embeded processor and the SDRAM control modules electrically connected with embeded processor by Avalon buses, SD card control module, touch screen control module, spi bus module, self adaptation baud rate serial port module, agreement transmitter, the FPGA module respectively with sdram memory, SD card module, touch-screen and ethernet module driving chip are electrically connected, the output end connection LED lamp of driving chip.The Function Extension of this control system is convenient, highly versatile, suitable for multichannel and control response is timely, disclosure satisfy that at high speed, extensive, full color, can the application requirement such as remote download control, with cost-effective, real-time is good, upgrading easy to maintain the features such as.
Description
Technical field
The utility model belongs to lighting, LED display control technology, specifically a kind of to be based on FPGA（Field
Programmable Gate Array, field programmable gate array, abbreviation FPGA）LED landscape lamp control system.
Background technology
There are many various LED Optimizing Control Systems on Vehicles Collected from Market, these control systems are generally aimed at
Fixed function is directed to the demand of client and customized, so being difficult to accomplish general for most controller；It is existing
There is LED Optimizing Control System exporting change signal speed low, the quantity of LED optical link, color range gray scale, unit interval change
Frame number is all smaller, can not meet the extensive, requirement of full color；
Existing LED Optimizing Control System is difficult to build large scale system, with the increasing of landscape lamp control system scale, system
Needing the control chip being equipped with will increase, and cost increases.
Utility model content
The purpose of this utility model is directed to the deficiencies in the prior art, and provides a kind of LED landscape lamp control based on FPGA
System processed.
The Function Extension of this control system is convenient, highly versatile, it is adaptable to multichannel and control response is in time, Neng Gouman
Foot at high speed, extensive, full color, can the application requirement such as remote download control, with cost-effective, real-time it is good, be easy to dimension
The features such as shield upgrading.
Realizing the technical scheme of the utility model purpose is：
A kind of LED landscape lamp control system based on FPGA, including
Sdram memory, the sdram memory is used for keeping in the light efficiency file that PC host computers 6 send and processing procedure
Ephemeral data；
SD card module, the SD card module is used to store light efficiency file, gives tacit consent to light is read from SD card upon power-up of the system
Effect file；
Touch-screen, the touch-screen is used for the field control of control system regulation, such as the selection of menu, network settings,
The switching of demonstrating effect file and the regulation of refresh rate of data parlor etc., using touch-screen primarily to providing a close friend
Operation interface, what user can see current presentation by interface is which light efficiency file and light efficiency document base information, with
And the information such as the refresh rate of current presentation file；
FPGA module, described FPGA module includes embeded processor and by Avalon buses and embeded processor
The SDRAM control modules of connection, SD card control module, touch screen control module, spi bus module, self adaptation baud rate serial ports
Module, agreement transmitter, embeded processor is by Avalon buses to SDRAM control modules, SD card control module, touch-screen
Control module, spi bus module, self adaptation baud rate serial port module, agreement transmitter are written and read operation；
Ethernet module, the ethernet module is used to transmit light efficiency data, Ethernet between PC host computers and FPGA module
Module is provided with RJ45 interfaces, for connecting PC host computers；
PC host computers, the PC host computers are used for the control operation to whole control system, and PC host computers can be by ether
Net module sends light efficiency data to spi bus module, can also be communicated with FPGA module by self adaptation baud rate serial port module, ripple
Special rate can arbitrarily set between 1800bps -3Mbps；
Driving chip, the driving chip is used to drive LED lamp to send different glories；
The FPGA module is electrically connected with sdram memory, SD card module, touch-screen, ethernet module and driving chip respectively
Connect, the output end connection LED lamp of driving chip.
The touch-screen is lcd touch-screens, and lcd touch-screens show clearly, convenient operation.
The embeded processor is Nios II embeded processors.
The agreement transmitter is DMX512 agreement transmitters.
The agreement transmitter is at least 2.
The ethernet module is W5500 chips.
The driving chip is DMX512PF chips.
The driving chip 7 is at least 2.
The LED lamp 8 is at least 2.
After system electrification, the configuration of FPGA module is carried out first, then FPGA module is completed to touch-screen, SD card
Module, the initial work of ethernet module, into interface of main menu, wait subsequent operation；SD card control module is from SD card mould
Block reads configuration file, the mode of operation if necessary to change control system, can be by changing the configuration file in SD card, also
Can be by the menu option of touch-screen, facilitating must be controlled the selection of System menu, network settings, demonstrating effect file
The regulation of the refresh rate of switching and data parlor；After the completion of configuration, FPGA module works according to the both of which for setting, if
Local mode, then read light efficiency file from SD card；If remote mode, then FPGA module receives PC host computers by Ethernet mould
The landscape light efficiency data that block or self adaptation baud rate serial port module send, are buffered in sdram memory, now, by point
Hit the button that commences play out of touch-screen, the light efficiency information of caching is converted into and meets the signal of driving chip agreement and be sent to downstream
The LED drive chip of link, driving chip can automatically intercept three data of byte, and remaining data are then transmitted backward,
And three data of driving chip interception are then resolved to three size of current of output pin corresponding level, so as to obtain three
The different current value of passage, all-colour LED light fixture also shows corresponding blend color.
The Function Extension of this control system is convenient, highly versatile, it is adaptable to multichannel and control response is in time, Neng Gouman
Foot at high speed, extensive, full color, can the application requirement such as remote download control, with cost-effective, real-time it is good, be easy to dimension
The features such as shield upgrading.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment.
Specific embodiment
The utility model content is further elaborated with reference to the accompanying drawings and examples, but is not to the utility model
Restriction.
Embodiment：
Reference picture 1, a kind of LED landscape lamp control system based on FPGA, including
Sdram memory 1, the sdram memory 1 is used for keeping in the light efficiency file that host computer sends and processing procedure
Ephemeral data；
SD card module 2, the SD card module 2 is used to store light efficiency file, gives tacit consent to read from SD card upon power-up of the system
Light efficiency file；
Touch-screen 3, the touch-screen is used for the field control of control system regulation, such as the selection of menu, network settings,
The switching of demonstrating effect file and the regulation of refresh rate of data parlor etc., using touch-screen 3 primarily to providing a friend
Good operation interface, what user can see current presentation by interface is which effect files and effect files essential information,
And the information such as the refresh rate of current presentation file；
FPGA module 4, the FPGA module 4 includes embeded processor 9 and by Avalon buses and embedded processing
It is the SDRAM control modules 10 of the electrical connection of device 9, SD card control module 11, touch screen control module 12, spi bus module 13, adaptive
Answer baud rate serial port module 14, agreement transmitter 15, embeded processor 9 by Avalon buses to SDRAM control modules 10,
SD card control module 11, touch screen control module 12, spi bus module 13, self adaptation baud rate serial port module 14, agreement send
Device 15 is written and read operation；
Ethernet module 5, the ethernet module 5 is used to transmit light efficiency data between PC host computers 6 and FPGA module 4, with
Too net module 5 is provided with RJ45 interfaces, for connecting PC host computers 6；
PC host computers 6, the PC host computers 6 are used for the control operation of whole control system, PC host computers 6 can by with
Too net module 5 sends light efficiency data to spi bus module 13, also can be by self adaptation baud rate serial port module 14 and FPGA module
4 communications, baud rate can arbitrarily set between 1800bps -3Mbps；
Driving chip 7, the driving chip 7 is used to drive LED lamp 8 to send different glories；
The FPGA module 4 respectively with sdram memory 1, SD card module 2, touch-screen 3 and the driving chip 7 of ethernet module 5
Electrical connection, the output end connection LED lamp 8 of driving chip 7.
The touch-screen 3 is lcd touch-screens, and lcd touch-screens show clearly, convenient operation.
This example of the FPGA module 4 is EP4CE10F17C8
The embeded processor 9 is Nios II embeded processors.
The agreement transmitter 15 is DMX512 agreement transmitters.
The agreement transmitter 15 is at least 2, and this example is 8.
The ethernet module 5 is W5500 chips.
The driving chip 7 is DMX512PF chips.
The driving chip 7 is at least 2.
This example LED lamp 8 is at least 2.
After system electrification, the configuration of FPGA module 4 is carried out first, then FPGA module 4 complete to touch-screen 3,
The initial work of SD card module 2, ethernet module 5, into interface of main menu, waits subsequent operation；SD card control module 11
Configuration file is read from SD card module 2, the mode of operation if necessary to change control system can be by changing matching somebody with somebody in SD card
File is put, selection, network settings, the demonstration that must be controlled System menu can also be facilitated by the menu option of touch-screen 3
The switching of effect files and the regulation of the refresh rate of data parlor；After the completion of configuration, FPGA module 4 is according to the both of which for setting
Work, if local mode, then reads light efficiency file from SD card；If remote mode, then FPGA module 4 receives PC host computers
The 6 landscape light efficiency data sent by ethernet module 5 or self adaptation baud rate serial port module 14, now, by clicking on
Touch-screen 3 commences play out button, and the light efficiency information of caching is converted into and meets the signal of the agreement of driving chip 7 and be sent to downstream
The LED drive chip 7 of link, driving chip 7 can automatically intercept three data of byte, and remaining data are then passed backward
It is defeated, and three data of the interception of driving chip 7 are then resolved to three size of current of output pin corresponding level, so as to obtain
The different current value of three passages, full-color LED light fixtures 8 also show corresponding blend color.
Claims (8)
1. a kind of LED landscape lamp control system based on FPGA, it is characterized in that, including
Sdram memory, the sdram memory is used for keeping in the nonce in the light efficiency file that host computer sends and processing procedure
According to；
SD card module, the SD card module is used to store light efficiency file, gives tacit consent to light efficiency text is read from SD card upon power-up of the system
Part；
Touch-screen, the touch-screen is used for the field control regulation to control system；
FPGA module, the FPGA module is included embeded processor and is electrically connected with embeded processor by Avalon buses
SDRAM control modules, SD card control module, touch screen control module, spi bus module, self adaptation baud rate serial port module,
Agreement transmitter；
Ethernet module, the ethernet module is used to transmit light efficiency data, ethernet module between PC host computers and FPGA module
RJ45 interfaces are provided with, for connecting PC host computers；
PC host computers, the PC host computers are used for the control operation to whole control system；
Driving chip, the driving chip is used to drive LED lamp to send different glories；
The FPGA module is electrically connected with sdram memory, SD card module, touch-screen and ethernet module driving chip respectively, is driven
The output end connection LED lamp of dynamic chip.
2. the LED landscape lamp control system based on FPGA according to claim 1, it is characterized in that, the touch-screen (3) is
Lcd touch-screens.
3. the LED landscape lamp control system based on FPGA according to claim 1, it is characterized in that, it is described
Embeded processor is Nios II embeded processors.
4. the LED landscape lamp control system based on FPGA according to claim 1, it is characterized in that, it is described
Agreement transmitter is DMX512 agreement transmitters.
5. the LED landscape lamp control system based on FPGA according to claim 4, it is characterized in that, it is described
Agreement transmitter is at least 2.
6. the LED landscape lamp control system based on FPGA according to claim 1, it is characterized in that, it is described
Ethernet module is W5500 chips.
7. the LED landscape lamp control system based on FPGA according to claim 1, it is characterized in that, it is described
Driving chip (7) is DMX512PF chips.
8. the LED landscape lamp control system based on FPGA according to claim 1, it is characterized in that, it is described
Driving chip is at least 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621280773.0U CN206294385U (en) | 2016-11-28 | 2016-11-28 | A kind of LED landscape lamp control system based on FPGA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621280773.0U CN206294385U (en) | 2016-11-28 | 2016-11-28 | A kind of LED landscape lamp control system based on FPGA |
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| Publication Number | Publication Date |
|---|---|
| CN206294385U true CN206294385U (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621280773.0U Expired - Fee Related CN206294385U (en) | 2016-11-28 | 2016-11-28 | A kind of LED landscape lamp control system based on FPGA |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106686803A (en) * | 2016-11-28 | 2017-05-17 | 广西师范大学 | FPGA-based LED landscape lamp control system |
| CN110943802A (en) * | 2019-11-18 | 2020-03-31 | 江苏领焰智能科技股份有限公司 | DMX512 lighting network signal decoding system based on FPGA |
-
2016
- 2016-11-28 CN CN201621280773.0U patent/CN206294385U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106686803A (en) * | 2016-11-28 | 2017-05-17 | 广西师范大学 | FPGA-based LED landscape lamp control system |
| CN110943802A (en) * | 2019-11-18 | 2020-03-31 | 江苏领焰智能科技股份有限公司 | DMX512 lighting network signal decoding system based on FPGA |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20171128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |