CN108073412A - A kind of FPGA radio upgrades based on WIFI and the device and method intelligently loaded - Google Patents
A kind of FPGA radio upgrades based on WIFI and the device and method intelligently loaded Download PDFInfo
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- CN108073412A CN108073412A CN201810088981.8A CN201810088981A CN108073412A CN 108073412 A CN108073412 A CN 108073412A CN 201810088981 A CN201810088981 A CN 201810088981A CN 108073412 A CN108073412 A CN 108073412A
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Abstract
The invention discloses a kind of FPGA radio upgrades based on WIFI and the device and method intelligently loaded, described device includes FPGA, jtag interface and FLASH memory and WIFI module, the FLASH memory and WIFI module are connected with FPGA, and the FPGA embeds the soft cores of MicroBlaze and builds MicroBlaze micro control systems.It the described method comprises the following steps:1)Starting up;2)Overall situation loading;3)Operation function program;4)Establish WIFI wireless connections;5)Receive WIFI data;6)The erasing and write-in of corresponding region in FLASH;7)Dynamic recognition;8)Reseting module parameter.Using technical scheme, upgrading efficiency is improved, reduces cost, power consumption and space, great convenience condition is provided for large-scale engineering equipment production maintenance.
Description
Technical field
The present invention relates to technical field of integrated circuits more particularly to a kind of FPGA radio upgrades based on WIFI and intelligence to add
The device and method of load.
Background technology
In modern communications equipment, FPGA has been in highly important as Digital Signal Processing and mathematical computation tool
Status, due to when FPGA is worked normally configuration data storage in sram, have power down lose characteristic, therefore equipment it is each on
It needs to configure FPGA into line program when electrically activating, official's configuration mode that FPGA device manufacturer provides at present mainly has JTAG moulds
Formula, holotype and slave pattern three categories.
Existing FPGA various configurations method is directed to different application environments respectively:Wherein, JTAG mode is to pass through emulation
By the direct programming of configuration data in FPGA internal SRAMs, power down will lose device, be debugged suitable for scientific research;Holotype(Actively
It is serial and actively parallel)Be by configuration data programming in chip is configured(Such as EPCS), FPGA is actively from configuration chip when powering on
Middle reading data are completed to start, and this method needs, to configuring chip programming again, to cause upgrading inconvenient when program upgrades;From mould
Formula(Passive serial and passive parallel)It is to pass through microcontroller(Microcontroller, ARM etc.)Collocation memory(FLASH)It will when powering on
It completes to start in configuration data write-in FPGA, and can realize that program upgrades by external interface, but tackle large capacity FPGA upgradings
When usually require for a long time, and upgrade after need Global reset that could work.
More than three classes collocation method has certain limitation, and reply is frequently necessary to upgrading FPGA programs or needs to advising greatly
When mould communication equipment carries out the situation of system upgrade, the shortcomings that speed is slow, and efficiency is low is exposed.
The content of the invention
The technical problems to be solved by the invention are:In view of the problems of the existing technology, provide a kind of based on WIFI's
FPGA radio upgrades and the device and method intelligently loaded, to solve to develop in maintenance process, the upgrading of FPGA programs is difficult, efficiency is low
And the problem of of high cost.
A kind of FPGA radio upgrades based on WIFI provided by the invention and the device intelligently loaded, including:FPGA、JTAG
Interface and FLASH memory further include WIFI module, and the FLASH memory and WIFI module are connected with FPGA, described
FPGA embeds the soft cores of MicroBlaze and builds MicroBlaze micro control systems.
Further, the FPGA includes not reconfigurable function module and reconfigurable function module.
Further, the WIFI module is passive serial WIFI module.
Further, the MicroBlaze micro control systems include clock module, CPU, controlling bus, internal storage,
Interrupt control unit, WIFI interface and FLASH interfaces, clock module work clock needed for reference generates CPU using external clock,
CPU is connected by controlling bus with internal storage, interrupt control unit, WIFI interface and FLASH interfaces, WIFI interface connection institute
WIFI module is stated, FLASH interfaces connect the FLASH memory.
A kind of FPGA radio upgrades based on WIFI provided by the invention and the method intelligently loaded, comprise the following steps:
1)Starting up;
2)Overall situation loading;
3)Operation function program;
4)Establish WIFI wireless connections;
5)Receive WIFI data;
6)The erasing and write-in of corresponding region in FLASH;
7)Dynamic recognition;
8)Reseting module parameter.
Further, above-mentioned steps control embeds the MicroBlaze microcontrollers system that the soft cores of MicroBlaze build by FPGA
System is realized.
Further, the step 1)During starting up, connection emulator debugs the equipment after assembling for the first time, Gu
Change micro control system program, and realize external interface communication function.
Further, the step 2)Specific method be:Configuration is generated by MicroBlaze micro control systems control FLASH
Stream, by all continuous loadeds of FPGA programs.
Further, the step 3)Specific method be:Reset signal can be generated after the global loading of equipment, parameter is carried out
It resets, subsequently enters the function program operation phase, passive serial WIFI module is waited at this time.
Further, the step 4)Specific method be:Wireless connection is established when WIFI module is received when connection is invited.
Further, the step 5)Specific method be:MicroBlaze micro control systems receive second load control life
After order, dominate WIFI and receive exterior arrangement data.
Further, the step 6)Specific method be:MicroBlaze micro control system conversion configurations data, and complete
Program update is realized in the erasing and write-in of corresponding region in FLASH.
Further, the step 7)Specific method be:MicroBlaze micro control systems dominate the production of SPI serial FLASHs
Raw configuration stream, carries out partial dynamic and reconfigures.
Further, the step 8)Specific method be:Local reset signal is generated after the completion of configuration, is resetted in FPGA
Reconfigurable module.
Further, step 9 is further included)Into the new function program stage is run, the auto upgrading process of equipment is completed.
By using above technical solution, the beneficial effects of the invention are as follows:Use technical scheme, Ke Yi
FPGA radio upgrades and partial dynamic recombination function are realized in exploitation and maintenance process, upgrading efficiency is directly enhanced, saves simultaneously
External load has been gone to control chip, has reduced cost, power consumption and space, is provided greatly just for large-scale engineering equipment production maintenance
Sharp condition.
Description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is schematic diagram of the bootstrap loading mode of the invention used compared with conventional external load mode;
Fig. 2 is the hardware realization structure chart consistent with the embodiment of the present invention;
Fig. 3 is the structure chart of the MicroBlaze micro control system consistent with the embodiment of the present invention;
Fig. 4 is the complete job flow chart consistent with the embodiment of the present invention.
Specific embodiment
All features or disclosed all methods disclosed in this specification or in the process the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification, unless specifically stated, can be equivalent by other or with similar purpose
Alternative features are replaced.I.e., unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
.
The present invention has considered efficiency, resource, power consumption and cost, saves external load chip, is embedded using FPGA soft
Core MicroBlaze builds micro control system, and the partial dynamic reconstruct of dominance function module forms a kind of new bootstrap loading mode.
As shown in Figure 1, it compared bootstrap loading mode and the difference of conventional external load mode that the present invention uses.In addition, selection Internet of Things
Series WIFI chips cooperation MicroBlaze system constructing wireless transfer channels are netted, realize long-range more new function;In some implementations
In example, select SPI serial FLASHs for storage configuration data, and coordinate MicroBlaze systems realize global start-up loading and
Region second load.Hardware realization structure chart is as shown in Figure 2.
Fig. 2 shows the hardware realization structure chart consistent with the embodiment of the present invention, lists single FPGA radio upgrade
The hardware configuration distribution intelligently loaded and Interface Controller situation carry out classifying rationally design to wherein reconfigurable module, can be real
The standalone upgrade of existing simple function unit, better raising efficiency.
(1)MicroBlaze micro control systems
The FPGA of new range supports to embed soft core microprocessor at present, is used to implement some and controls relative complex application.
The FPGA of altera corp can use II processors of SOPC environmental structures Nios, and the FPGA of Xilinx companies can be embedded
MicroBlaze ARM soft-core processors.In some embodiments, built by taking Virtex-7 Series FPGAs an example
MicroBlaze micro control systems realize that interface transmission and Loading Control function, structure chart are as shown in Figure 3.
Fig. 3 shows the MicroBlaze micro control system structure chart consistent with the embodiment of the present invention, and main realize passes
Defeated control and Loading Control function.The MicroBlaze micro control systems are deposited including clock module, CPU, controlling bus, inside
Reservoir, interrupt control unit, WIFI interface and FLASH interfaces, when clock module is using external clock to work with reference to needed for generating CPU
Clock, CPU are connected by controlling bus with internal storage, interrupt control unit, WIFI interface and FLASH interfaces, and WIFI interface connects
The WIFI module is connect, FLASH interfaces connect the FLASH memory.WIFI interface and FLASH interfaces there are many selection,
It selects parallel schema that can improve efficiency of transmission, selects serial module that can save line resource, what user can be as needed
Configured rate and resource allocation consider a kind of suitable scheme.
(2)Wireless transfer channel based on WIFI
WIFI is networking solutions most widely used during we live, and institute by WIFI so as to carry out equipment debugging and upgrading undoubtedly
Many facilities can be brought to us.In some embodiments, Internet of Things series serial ports WIFI module TLN13UA06 is selected, to
The wireless transmission task of program file is completed, advantage is that busy line resource is few, and cost and power consumption are than relatively low.In some realities
Apply in example, transmission link uses passive-type serial interconnection pattern, i.e., before each data exchange, serial ports WIFI module all in etc.
It treats state, invitation is then initiated the connection by server, finally carry out data exchange, complete remote control transmission upgrading.
(3)SPI serial FLASHs load and partial dynamic reconstruct
SPI serial FLASHs configuration mode receives 4 byte instructions of micro control system when powering on, by configuration data as PROM matches somebody with somebody
It puts mode to be equally continuously loaded into FPGA, once configuration is completed, the additional storage space in FLASH can be used for other centres
The storage of information.In some embodiments, modularized design is carried out to FPGA at the beginning of design, marks off the restructural mould of needs
Block, and the configuration file subregion programmings of modules in FLASH, the later stage just can very easily be selected during dynamic configuration
The module upgraded is needed to be updated configuration, completion partial dynamic reconstruct, which matches somebody with somebody to postpone, need not carry out Global reset, only need to be to rising
Function module after grade carries out resetting the operation that can be achieved with new procedures version, and duplicate removal is saved in debugging stage and later stage update phase
The step of opening equipment, it is more quick and convenient.
Fig. 4 shows the complete job flow chart consistent with the embodiment of the present invention, and complete job flow is as follows:
1)Starting up, the debugging for the first time after equipment assembling still need connection emulator, cure micro control system program, and realize
External interface communication function, later stage only can be attached control with WIFI.
2)Overall situation loading:Configuration stream is generated by MicroBlaze micro control systems control FLASH, all FPGA programs are connected
Continuous loaded.
3)Operation function program:Reset signal can be generated after the global loading of equipment, parameter is resetted, subsequently enters work(
The energy range sort run stage, at this time passive serial WIFI module be waited for.
4)Establish WIFI wireless connections:Wireless connection is established when WIFI module is received when connection is invited.
5)Receive WIFI data:After MicroBlaze micro control systems receive second load control command, leading WIFI connects
Receive exterior arrangement data.
6)The erasing and write-in of corresponding region in FLASH:MicroBlaze micro control system conversion configurations data, and complete
Program update is realized in the erasing and write-in of corresponding region in FLASH.
7)Dynamic recognition:MicroBlaze micro control systems dominate SPI serial FLASHs and generate configuration stream, carry out part
Dynamic recognition.
8)Reseting module parameter:Local reset signal is generated after the completion of configuration, resets the reconfigurable module in FPGA.
9)Into the new function program stage is run, the auto upgrading process of equipment is completed.
The invention is not limited in foregoing specific embodiments.The present invention, which expands to, any in the present specification to be disclosed
The step of new feature or any new combination and any new method or process disclosed or any new combination.
Claims (15)
1. a kind of FPGA radio upgrades based on WIFI and the device intelligently loaded, including:FPGA, jtag interface and FLASH are deposited
Reservoir, which is characterized in that further include WIFI module, the FLASH memory and WIFI module are connected with FPGA, the FPGA
The embedded soft cores of MicroBlaze build MicroBlaze micro control systems.
2. a kind of FPGA radio upgrades based on WIFI according to claim 1 and the device intelligently loaded, feature exist
In the FPGA includes not reconfigurable function module and reconfigurable function module.
3. a kind of FPGA radio upgrades based on WIFI according to claim 1 and the device intelligently loaded, feature exist
In the WIFI module is passive serial WIFI module.
4. a kind of FPGA radio upgrades based on WIFI according to claim 1 and the device intelligently loaded, feature exist
In, MicroBlaze micro control systems include clock module, CPU, controlling bus, internal storage, interrupt control unit,
WIFI interface and FLASH interfaces, for clock module using external clock as the work clock with reference to needed for generating CPU, CPU is total by controlling
Line is connected with internal storage, interrupt control unit, WIFI interface and FLASH interfaces, and WIFI interface connects the WIFI module,
FLASH interfaces connect the FLASH memory.
5. a kind of FPGA radio upgrades based on WIFI and the method intelligently loaded, which is characterized in that comprise the following steps:
1)Starting up;
2)Overall situation loading;
3)Operation function program;
4)Establish WIFI wireless connections;
5)Receive WIFI data;
6)The erasing and write-in of corresponding region in FLASH;
7)Dynamic recognition;
8)Reseting module parameter.
6. a kind of FPGA radio upgrades based on WIFI according to claim 5 and the method intelligently loaded, feature exist
The MicroBlaze micro control systems that the soft cores of MicroBlaze build are embedded in the control of, above-mentioned steps by FPGA to realize.
7. a kind of FPGA radio upgrades based on WIFI according to claim 6 and the method intelligently loaded, feature exist
In the step 1)During starting up, connection emulator debugs the equipment after assembling for the first time, cures micro control system
Program, and realize external interface communication function.
8. a kind of FPGA radio upgrades based on WIFI according to claim 7 and the method intelligently loaded, feature exist
In the step 2)Specific method be:Configuration stream is generated by MicroBlaze micro control systems control FLASH, it will be all
The continuous loaded of FPGA programs.
9. a kind of FPGA radio upgrades based on WIFI according to claim 8 and the method intelligently loaded, feature exist
In the step 3)Specific method be:Reset signal can be generated after the global loading of equipment, parameter is resetted, with laggard
Enter the function program operation phase, passive serial WIFI module is waited at this time.
10. a kind of FPGA radio upgrades based on WIFI according to claim 9 and the method intelligently loaded, feature exist
In the step 4)Specific method be:Wireless connection is established when WIFI module is received when connection is invited.
11. a kind of FPGA radio upgrades based on WIFI according to claim 10 and the method intelligently loaded, feature
It is, the step 5)Specific method be:After MicroBlaze micro control systems receive second load control command, dominate
WIFI receives exterior arrangement data.
12. a kind of FPGA radio upgrades based on WIFI according to claim 11 and the method intelligently loaded, feature
It is, the step 6)Specific method be:MicroBlaze micro control system conversion configurations data, and complete it is right in FLASH
The erasing and write-in in region are answered, realizes program update.
13. a kind of FPGA radio upgrades based on WIFI according to claim 12 and the method intelligently loaded, feature
It is, the step 7)Specific method be:MicroBlaze micro control systems dominate SPI serial FLASHs and generate configuration stream, into
Row partial dynamic reconfigures.
14. a kind of FPGA radio upgrades based on WIFI according to claim 13 and the method intelligently loaded, feature
It is, the step 8)Specific method be:Local reset signal is generated after the completion of configuration, resets the restructural mould in FPGA
Block.
15. a kind of FPGA radio upgrades based on WIFI according to claim 14 and the method intelligently loaded, feature
It is, further includes step 9)Into the new function program stage is run, the auto upgrading process of equipment is completed.
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