CN102662686A - FPGA loading method and device - Google Patents
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Abstract
The embodiment of the invention discloses a loading device of an FPGA, which comprises: the device comprises a storage unit, an input unit, an FPGA chip and a control unit; the storage unit is connected to the control unit and used for storing at least one configuration file; the input unit is connected to the control unit and used for inputting the identification information of the required configuration file to the control unit; the control unit is connected with the FPGA chip and used for selecting a corresponding configuration file from the storage unit according to the input identification information of the configuration file and transmitting the selected configuration file to the FPGA chip. The dynamic loading of the function of the FPGA is realized through the configuration file in the storage unit, so that the modification of the function of the FPGA and the update of the configuration file are facilitated, and the mode of the special chip is more flexible and convenient compared with the traditional mode of the special chip.
Description
Technical field
The present invention relates to electronic technology field, more particularly, relate to loading method and the device thereof of a kind of FPGA.
Background technology
FPGA (Field-Programmable Gate Array field programmable gate array) is a kind of semi-custom circuit of special IC, has that cost of development is low, the cycle is short, and in big fpga chip, threshold number is big, can realize the function complicated circuitry.
The logic of FPGA internal operation is that the form with configuration file is kept on certain storage medium, need when powering on, load, and configuration file is loaded among the FPGA, after configuration is accomplished; FPGA has certain circuit function, can get into duty, and after power down; FPGA reverts to white, and the internal logic relation disappears, if will get into duty once more; The loading of file need be configured again,, the loading of new configuration file need be carried out if will make amendment to circuit function.
At present; General all is to provide proprietary configuring chip to accomplish the loading of chip by FPGA producer; And the cost of configuring chip is high, only preserves a configuration file, and fpga chip just can only have a kind of circuit function like this; If will carry out the modification of circuit function, after wiping configuring chip, the configuration tool that then needs businessman to provide writes new configuration file again.
The mode cost of this proprietary configuring chip is high, and very inconvenient to the modification of circuit function, and speed is also slow.
Summary of the invention
The embodiment of the invention provides loading method and the device thereof of a kind of FPGA, realizes the dynamic load of a plurality of configuration files, more flexibly, conveniently.
For realizing above-mentioned purpose, the embodiment of the invention provides following technical scheme:
The charger of a kind of FPGA comprises storage unit, input block, fpga chip and control module; Wherein,
Storage unit is connected to control module, and said storage unit is used to store at least one configuration file;
Input block is connected to control module, and said input block is used for the identification information to the required configuration file of control module input;
Control module and fpga chip interconnect, and said control module is used for identification information according to the configuration file of being imported from the corresponding configuration file of memory cell selecting, and selected configuration file is sent to fpga chip.
Alternatively, also comprise: the display unit that is connected with control module, said display unit is used to show the identification information of selected configuration file.
Alternatively; Said input block also is used for the configuration mode to control module input fpga chip; Said control module is sent to fpga chip according to the configuration mode of being imported with selected configuration file, and the configuration mode of fpga chip is active arrangement pattern or passive configuration mode.
Alternatively, said control module also is used for generating and the filename of the configuration file of said storage unit numbered list one to one, and each configuration file has unique numbering, the said identification information that is numbered configuration file; Then,
Said control module is used for the identification information according to the configuration file of being imported, and said tabulation is searched for and from the corresponding configuration file of memory cell selecting.
Alternatively, said storage unit is arranged on the same pcb board through deck and input block, fpga chip and control module.
Alternatively, said storage unit is the SD storage card, and said control module is the SD card controller.
The loading method of a kind of FPGA comprises:
Receive the identification information that FPGA loads required configuration file;
Identification information according to required configuration file is selected corresponding configuration file from storage unit, selected configuration file is sent to fpga chip.
Alternatively, also comprise step: the configuration mode that receives fpga chip; Then
The step that selected configuration file is sent to fpga chip is: the configuration mode according to fpga chip is sent to fpga chip with selected configuration file.
Alternatively; Before the identification information that receives the required configuration file of FPGA loading; Also comprise step: the filename of the configuration file in generation and the said storage unit is numbered list one to one; Make each configuration file have unique numbering, said numbering is as the beacon information of configuration file; Then,
From storage unit, select the step of corresponding configuration file to be according to the identification information of required configuration file:, said numbered list to be searched for and from the corresponding configuration file of memory cell selecting according to the identification information of required configuration file.
Compared with prior art, technique scheme has the following advantages:
The loading method of the FPGA of the embodiment of the invention and device thereof; In storage unit, control module is selected corresponding configuration file through the identification information of the configuration file of input block input from storage unit with configuration file stores; Fpga chip is configured the loading of file; Like this, can realize the dynamic load of the function of FPGA, be convenient to carry out the modification of the function of FPGA through the configuration file in the storage unit; And the renewal of configuration file, flexible more and convenient than the mode of traditional special chip.
Description of drawings
Shown in accompanying drawing, above-mentioned and other purpose, characteristic and advantage of the present invention will be more clear.Reference numeral identical in whole accompanying drawings is indicated identical part.Painstakingly do not draw accompanying drawing, focus on illustrating purport of the present invention by physical size equal proportion convergent-divergent.
Fig. 1 is the structural representation of charger of the FPGA of the embodiment of the invention;
Fig. 2 is the loading method process flow diagram of FPGA provided by the invention.
Embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, does detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
A lot of details have been set forth in the following description so that make much of the present invention; But the present invention can also adopt other to be different from alternate manner described here and implement; Those skilled in the art can do similar popularization under the situation of intension of the present invention, so the present invention does not receive the restriction of following disclosed specific embodiment.
Referring to shown in Figure 1, Fig. 1 is the structural representation of charger of the FPGA of the embodiment of the invention.The charger of FPGA of the present invention comprises: storage unit 100, input block 200, fpga chip 300 and control module 400;
Wherein, storage unit 100 is connected to control module 400, and said storage unit 100 is used to store at least one configuration file;
In a preferred embodiment, this device also comprises display unit 500, is connected with control module 400, is used to show the identification information of selected configuration file.Said display unit 500 can be LCD (Liquid Crystal Display; LCD) or other display devices; Whether successful whether the identification information that shows selected configuration file through display unit is correct, play monitoring input block and control module and select configuration file effect.
In a preferred embodiment; Said input block 200 also is used for the configuration mode to control module 400 input fpga chips; Said control module 400 is sent to fpga chip according to the configuration mode of being imported with selected configuration file, and the configuration mode of fpga chip is active arrangement pattern or passive configuration mode.That is to say when the configuration mode of being imported is Passive Mode, whether transmit selected configuration file to fpga chip by the control module decision; For example; In control module, have the inquiry of loading module, load inquiry to control module, when needs load; Control module is sent to fpga chip with selected configuration file, and fpga chip is configured the loading of file; When the configuration mode of being imported is aggressive mode, whether transmit selected configuration file by the fpga chip decision, for example to fpga chip; In fpga chip, has the inquiry of loading module; Load inquiry to fpga chip, when needs loaded, control module was sent to fpga chip with selected configuration file; Like this, this configuration-system being had more flexibly realizes.The embodiment of configuration mode is merely example here, and the present invention is not limited to this.
In a preferred embodiment; Said control module also is used for generating and the filename of the configuration file of said storage unit numbered list one to one; Each configuration file has unique numbering, the said identification information that is numbered configuration file, like this; Said control module just can be according to the numbering of being imported, and said tabulation is searched for and from the corresponding configuration file of memory cell selecting.That is to say; Control module has generated the numbered list with the pairing of the filename of configuration file; Each configuration file has different numberings like this, and this numbering can be used as the identification information of the configuration file of input block input, with the input that makes things convenient for identification information and the selection of respective profiles.
More preferably, storage unit can be arranged on the same pcb board through deck and input block, fpga chip and control module, conveniently carries out the conversion of configuration file in renewal and the fpga chip of configuration file in the SD storage card.
Below in conjunction with concrete embodiment technical scheme, function and the effect of this device are carried out detailed description.
In a concrete embodiment, said storage unit 100 is movably storage unit, for example SD storage card (Secure Digital Memory Card) etc.; Said control module 400 is the SD card controller, realizes the operation to the SD storage card, and said display unit 500 is LCD; Input block 200 is a toggle switch, and fpga chip is arbitrary required fpga chip, and fpga chip is a passive configuration mode; The SD storage card designs at same piece PCB (Print Circuit Board through the LCD interface block with fpga chip, SD card controller through SD deck, LCD; Printed circuit board (PCB)) on, SD storage card and SD card controller interconnect, and fpga chip and SD card controller interconnect; Toggle switch is connected to the SD storage card, and LCD connects the SD card controller.
In this preferred embodiment, all unit all are configured on the same pcb board, and because storage unit is SD storage card movably;, can the SD storage card be taken off more during new configuration file at needs, be configured the renewal of file easily; And the expansion of storage space, then it is inserted on the deck again and gets final product, need not to change other hardware; Convenient and easy, and being widely used of SD storage card, all have the interface of SD storage card on a lot of terminating machines; Conveniently carry out the renewal of configuration file in the SD storage card, very flexible.
In the SD storage card, store a plurality of configuration files, like the file of .hex, these configuration files have filename separately, and the SD card controller is corresponding one by one with different numberings with these filenames, generate numbered list, as the identification information of configuration file.
Pass through toggle switch; Import a required numbering in the SD card controller; The SD card controller finds this to number corresponding configuration file through searching in the SD storage card according to this unique numbering, thereby chooses corresponding configuration file; Simultaneously, the numbering or the filename that on LCD, show this configuration file.
FPGA is configured to passive configuration mode; Has the inquiry of loading module at the SD controller; The SD controller receive need loading command after, SD card controller start-up loading process is sent to fpga chip with the configuration file of selecting; Fpga chip is accomplished the configuration of fpga chip, makes it have function corresponding.
And when needing to revise the circuit function of fpga chip; Only need through the other required configuration file of toggle switch input; Through controller this configuration file is reloaded to fpga chip, accomplish the transformation of fpga chip circuit function, very convenient and flexible.
More than the charger of FPGA of the present invention and concrete embodiment have been carried out detailed explanation; It is understandable that; Configuration among the above embodiment is more excellent scheme just; And in order to explain better and to understand the present invention, content of the present invention is not limited to this, and those skilled in the art can be as required; Configuration memory cell, input block, fpga chip and control module in addition, for example storage unit can also be that USB controller, input block are input button or the like for USB flash disk, control module.
For charger of the present invention, in storage unit, control module is through the identification information of the configuration file of input block input with configuration file stores; From storage unit, select corresponding configuration file, fpga chip is loaded, like this; Can realize the dynamic load of the function of FPGA through the configuration file in the storage unit; Be convenient to carry out the modification of the function of FPGA, and the renewal of configuration file, more flexibly and convenient than the mode of traditional special chip.
In addition, with reference to shown in Figure 2, the present invention also provides the loading method according to the FPGA of said apparatus, comprising:
Receive the identification information that FPGA loads required configuration file;
Identification information according to required configuration file is selected corresponding configuration file from storage unit, selected configuration file is sent to fpga chip.
Preferably, can also comprise the step of the configuration mode that receives fpga chip, then correspondingly, can selected configuration file be sent to fpga chip according to the configuration mode of fpga chip.
Preferably; Before the identification information that receives the required configuration file of FPGA loading; Also comprise step: the filename of the configuration file in generation and the said storage unit is numbered list one to one; Make each configuration file have unique numbering, said numbering is as the beacon information of configuration file; Then, correspondingly, can be according to the numbering of required configuration file, said numbered list is searched for and from the corresponding configuration file of memory cell selecting.
Specific embodiment corresponding to the charger of above-mentioned FPGA; In the SD storage card, store a plurality of configuration files, this method is specially: the SD controller generated with storage card in configuration file numbered list one to one, each configuration file has unique numbering; Numbering through a said configuration file of toggle switch input; The SD controller is selected the corresponding configuration file of this numbering according to this unique numbering from the SD storage card, and on LCD, demonstrates the numbering or the filename of this configuration file, after powering on to fpga chip; The SD card controller sends loading command; The SD card controller is sent to selected configuration file in the fpga chip according to the FPGA agreement, and the loading of fpga chip completion configuration file, thereby realizes the configuration of fpga chip.
Likewise, when the circuit function of fpga chip is made amendment, only need the different identification information (numbering) of input; After the SD card controller is selected the corresponding configuration file of this numbering; Load once more, just can realize the modification of the circuit function of fpga chip, flexible and convenient.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.
Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention.Any those of ordinary skill in the art; Do not breaking away under the technical scheme scope situation of the present invention; All the method for above-mentioned announcement capable of using and technology contents are made many possible changes and modification to technical scheme of the present invention, or are revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical scheme of the present invention, all still belongs in the scope of technical scheme protection of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (9)
1. the charger of a FPGA is characterized in that, comprises storage unit, input block, fpga chip and control module; Wherein,
Storage unit is connected to control module, and said storage unit is used to store at least one configuration file;
Input block is connected to control module, and said input block is used for the identification information to the required configuration file of control module input;
Control module and fpga chip interconnect, and said control module is used for identification information according to the configuration file of being imported from the corresponding configuration file of memory cell selecting, and selected configuration file is sent to fpga chip.
2. the charger of FPGA according to claim 1 is characterized in that, also comprises: the display unit that is connected with control module, said display unit is used to show the identification information of selected configuration file.
3. the charger of FPGA according to claim 1; It is characterized in that; Said input block also is used for the configuration mode to control module input fpga chip; Said control module is sent to fpga chip according to the configuration mode of being imported with selected configuration file, and the configuration mode of fpga chip is active arrangement pattern or passive configuration mode.
4. the charger of FPGA according to claim 1; It is characterized in that; Said control module also is used for generating and the filename of the configuration file of said storage unit numbered list one to one, and each configuration file has unique numbering, the said identification information that is numbered configuration file; Then,
Said control module is used for the identification information according to the configuration file of being imported, and said tabulation is searched for and from the corresponding configuration file of memory cell selecting.
5. according to the charger of each described FPGA among the claim 1-4, it is characterized in that said storage unit is arranged on the same pcb board through deck and input block, fpga chip and control module.
6. the charger of FPGA according to claim 1 is characterized in that, said storage unit is the SD storage card, and said control module is the SD card controller.
7. the loading method of a FPGA is characterized in that, comprising:
Receive the identification information that FPGA loads required configuration file;
Identification information according to required configuration file is selected corresponding configuration file from storage unit, selected configuration file is sent to fpga chip.
8. the loading method of FPGA according to claim 7 is characterized in that, also comprises step: the configuration mode that receives fpga chip; Then
The step that selected configuration file is sent to fpga chip is: the configuration mode according to fpga chip is sent to fpga chip with selected configuration file.
9. the loading method of FPGA according to claim 7; It is characterized in that; Before the identification information that receives the required configuration file of FPGA loading; Also comprise step: the filename of the configuration file in generation and the said storage unit is numbered list one to one, makes each configuration file have unique numbering, and said numbering is as the beacon information of configuration file; Then,
From storage unit, select the step of corresponding configuration file to be according to the identification information of required configuration file:, said numbered list to be searched for and from the corresponding configuration file of memory cell selecting according to the identification information of required configuration file.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777972A (en) * | 2012-10-24 | 2014-05-07 | 上海联影医疗科技有限公司 | System based on field-programmable gate array, configuration method and upgrading method |
| CN104053030A (en) * | 2014-06-16 | 2014-09-17 | 青岛海信宽带多媒体技术有限公司 | Combined television starting method and combined television |
| CN104572211A (en) * | 2015-01-23 | 2015-04-29 | 武汉精测电子技术股份有限公司 | FPGA program multi-image loading method based on ARM |
| CN106201590A (en) * | 2016-06-29 | 2016-12-07 | 瑞斯康达科技发展股份有限公司 | A kind of FPGA configuration file loading method and system |
| CN108319465A (en) * | 2018-04-09 | 2018-07-24 | 中国科学院微电子研究所 | Circuit and method for upgrading FPGA configuration data |
| CN110175056A (en) * | 2019-05-30 | 2019-08-27 | 西安微电子技术研究所 | A kind of control device and control method of heterogeneous platform Remote Dynamic load multiple target FPGA |
| CN111061677A (en) * | 2019-12-26 | 2020-04-24 | 杭州迪普科技股份有限公司 | FPGA configuration method and device and FPGA device |
| CN114185611A (en) * | 2021-11-26 | 2022-03-15 | 京微齐力(深圳)科技有限公司 | Multi-column automatic copying configuration method and circuit for device to be configured |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030098710A1 (en) * | 2001-10-29 | 2003-05-29 | Dale Wong | Programmable interface for field programmable gate array cores |
| CN1889503A (en) * | 2006-06-01 | 2007-01-03 | 东南大学 | Multi-channel high-speed data processor and processing method |
| CN101441574A (en) * | 2007-11-20 | 2009-05-27 | 中兴通讯股份有限公司 | Multiple-FPGA logical loading method in embedded system |
| CN101452502A (en) * | 2008-12-30 | 2009-06-10 | 华为技术有限公司 | Method for loading on-site programmable gate array FPGA, apparatus and system |
| CN101763278A (en) * | 2010-01-11 | 2010-06-30 | 华为技术有限公司 | Loading method and device of field programmable gate array |
| CN102302361A (en) * | 2011-06-24 | 2012-01-04 | 东北大学 | Device for monitoring heart rate and physical state |
-
2012
- 2012-03-09 CN CN201210062314.5A patent/CN102662686B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030098710A1 (en) * | 2001-10-29 | 2003-05-29 | Dale Wong | Programmable interface for field programmable gate array cores |
| CN1889503A (en) * | 2006-06-01 | 2007-01-03 | 东南大学 | Multi-channel high-speed data processor and processing method |
| CN101441574A (en) * | 2007-11-20 | 2009-05-27 | 中兴通讯股份有限公司 | Multiple-FPGA logical loading method in embedded system |
| CN101452502A (en) * | 2008-12-30 | 2009-06-10 | 华为技术有限公司 | Method for loading on-site programmable gate array FPGA, apparatus and system |
| CN101763278A (en) * | 2010-01-11 | 2010-06-30 | 华为技术有限公司 | Loading method and device of field programmable gate array |
| CN102302361A (en) * | 2011-06-24 | 2012-01-04 | 东北大学 | Device for monitoring heart rate and physical state |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777972A (en) * | 2012-10-24 | 2014-05-07 | 上海联影医疗科技有限公司 | System based on field-programmable gate array, configuration method and upgrading method |
| CN103777972B (en) * | 2012-10-24 | 2018-08-31 | 上海联影医疗科技有限公司 | System, configuration method based on field programmable gate array and upgrade method |
| CN104053030A (en) * | 2014-06-16 | 2014-09-17 | 青岛海信宽带多媒体技术有限公司 | Combined television starting method and combined television |
| CN104053030B (en) * | 2014-06-16 | 2017-06-30 | 青岛海信宽带多媒体技术有限公司 | A kind of combination tv starts method and combination tv |
| CN104572211A (en) * | 2015-01-23 | 2015-04-29 | 武汉精测电子技术股份有限公司 | FPGA program multi-image loading method based on ARM |
| CN104572211B (en) * | 2015-01-23 | 2017-10-10 | 武汉精测电子技术股份有限公司 | The many mirror image loading methods of FPGA programs based on ARM |
| CN106201590B (en) * | 2016-06-29 | 2019-06-11 | 瑞斯康达科技发展股份有限公司 | A kind of FPGA configuration file loading method and system |
| CN106201590A (en) * | 2016-06-29 | 2016-12-07 | 瑞斯康达科技发展股份有限公司 | A kind of FPGA configuration file loading method and system |
| CN108319465A (en) * | 2018-04-09 | 2018-07-24 | 中国科学院微电子研究所 | Circuit and method for upgrading FPGA configuration data |
| CN108319465B (en) * | 2018-04-09 | 2024-04-05 | 中国科学院微电子研究所 | Circuit and method for upgrading FPGA configuration data |
| CN110175056A (en) * | 2019-05-30 | 2019-08-27 | 西安微电子技术研究所 | A kind of control device and control method of heterogeneous platform Remote Dynamic load multiple target FPGA |
| CN111061677A (en) * | 2019-12-26 | 2020-04-24 | 杭州迪普科技股份有限公司 | FPGA configuration method and device and FPGA device |
| CN111061677B (en) * | 2019-12-26 | 2023-01-24 | 杭州迪普科技股份有限公司 | FPGA configuration method and device and FPGA device |
| CN114185611A (en) * | 2021-11-26 | 2022-03-15 | 京微齐力(深圳)科技有限公司 | Multi-column automatic copying configuration method and circuit for device to be configured |
| CN114185611B (en) * | 2021-11-26 | 2023-09-12 | 京微齐力(深圳)科技有限公司 | Multi-column automatic replication configuration method and circuit for device to be configured |
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