CN106200457B - A kind of program down-loading method and device - Google Patents
A kind of program down-loading method and device Download PDFInfo
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- CN106200457B CN106200457B CN201610486648.3A CN201610486648A CN106200457B CN 106200457 B CN106200457 B CN 106200457B CN 201610486648 A CN201610486648 A CN 201610486648A CN 106200457 B CN106200457 B CN 106200457B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25314—Modular structure, modules
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Abstract
This application provides a kind of program down-loading methods, the method is applied to controller, field programmable gate array is provided in the controller, which comprises when receiving program download request, hangs up current all real-time tasks to the input-output operation of storage equipment；Program download parameters are carried in described program downloading request；In the logic of propositions resource of the field programmable gate array, load program download module corresponding with described program downloading request；It triggers described program download module and carries out program downloading according to described program download parameters, and the storage equipment is written in the program that downloading is obtained.Program down-loading method provided by the present application reloads function using the dynamic of field programmable gate array, loading procedure download module executes program downloading on preset logical resource on programmable gate array at the scene, it is not take up the resource of processor, does not influence the operation of real-time task on processor.
Description
Technical field
The present invention relates to computer fields, more particularly, to a kind of program down-loading method and device.
Background technique
Controller is a kind of important device on electronic equipment, is responsible for completing to coordinate and command entire electronic apparatus system
Operation, when technology upgrading, needs to be updated the software in controller.
Software program, is transferred on controller by the method that existing controller software updates generally by network, controls
Program on program burn writing to storage equipment is stored dedicated section again by the processor on device processed.This program down-loading method needs
The resource of processor is occupied, the real-time task run on the controller may cause and appoint in real time since processor resource is occupied
Business interrupts overlong time by program downloading, causes communication disruption, task suspension and some other unpredictable unit exceptions
Situation；Or program downloading is caused always to be interrupted by real-time task, cause program downloading to be always at the state for waiting and being interrupted.
Summary of the invention
The purpose of the present invention is to provide a kind of program down-loading method and device, make the downloading of program not to transporting on controller
Capable real-time task has an impact.
A kind of program down-loading method, the method are applied to controller, are provided with field programmable gate in the controller
Array, which comprises
When receiving program download request, current all real-time tasks are hung up to the input-output operation of storage equipment；
Program download parameters are carried in described program downloading request；
In the logic of propositions resource of the field programmable gate array, load is corresponding with described program downloading request
Program download module；
It triggers described program download module and carries out program downloading, and the journey that downloading is obtained according to described program download parameters
The storage equipment is written in sequence.
Preferably, described in the logic of propositions resource of the field programmable gate array, load is downloaded with described program
Request corresponding program download module, comprising:
Judge whether the logic of propositions resource of presently described field programmable gate array is in Idle state；
If so, program download module corresponding with described program downloading request is loaded into the logic of propositions resource
On；
If it is not, then suspending the occupying the logic of propositions resource of the task, the logic of propositions resource is configured, institute is made
State logic of propositions resource and be in Idle state, will be downloaded with described program the corresponding program download module of request be loaded into it is described pre-
If on logical resource.
Preferably, the triggering described program download module carries out program downloading according to described program download parameters, and will
It downloads obtained program and the storage equipment is written, comprising:
According to described program download parameters, it is empty that the program obtained in the storage equipment for downloading distributes corresponding storage
Between；
The program obtained to downloading backs up；
The corresponding memory space of the storage equipment is written into the program of the program and backup downloaded and obtained.
Preferably, after the current all real-time tasks of the hang-up are to the input-output operation of storage equipment, further includes:
According to the priority for each real-time task being currently operating on processor, judge that each real-time task is corresponding
Data whether need to store；
It is the data point according to the priority of the corresponding real-time task of the data if the data need to store
With corresponding caching and the data are stored to corresponding caching；If the data do not need to store, the data are lost
It abandons.
Preferably, the method also includes:
After the completion of program downloading, the logic of propositions resource is configured, the logic of propositions resource recovery is made
The state before described program download module is loaded, while it is defeated to the input of the storage equipment to restore current all real-time tasks
It operates out.
A kind of program downloading apparatus, described device are applied to controller, are provided with field programmable gate in the controller
Array, described device include:
Suspension module, for when receiving program download request, hanging up current all real-time tasks to storage equipment
Input-output operation；Program download parameters are carried in described program downloading request；
Loading module, for the logic of propositions resource in the field programmable gate array, under load and described program
It carries and requests corresponding program download module；
Trigger module carries out program downloading according to described program download parameters for triggering described program download module, and
The storage equipment is written in the program that downloading is obtained.
Preferably, the loading module includes:
Judging submodule, for judging whether the logic of propositions resource of presently described field programmable gate array is in idle
State；
First load submodule, for that will download and ask with described program when the logic of propositions resource is in Idle state
Corresponding program download module is asked to be loaded into the logic of propositions resource；
Second load submodule, for when the logic of propositions resource is in busy state, pause to occupy described default
The task of logical resource configures the logic of propositions resource, and the logic of propositions resource is made to be in Idle state, will be with institute
The corresponding program download module of program download request is stated to be loaded into the logic of propositions resource.
Preferably, the trigger module includes:
Distribution sub module, for downloading obtained program in the storage equipment according to described program download parameters
Distribute corresponding memory space；
Backup submodule, the program for obtaining to downloading back up；
Submodule is written, it is corresponding for the storage equipment to be written in the program for downloading obtained program and backup
Memory space.
Preferably, described device further include:
Memory module judges described each for the priority according to each real-time task being currently operating on processor
Whether the corresponding data of a real-time task need to store；If the data need to store, according to the corresponding reality of the data
When task priority be the corresponding caching of data distribution and by data storage to corresponding caching；If the data
It does not need to store, then abandons the data.
Preferably, described device further include:
Dynamic recognition module makes described for being configured after the completion of program downloading to the logic of propositions resource
Logic of propositions resource recovery is the state before loading described program download module, while restoring current all real-time tasks to institute
State the input-output operation of storage equipment.
It compares and the prior art, what the present invention realized has the beneficial effect that
A kind of above program down-loading method provided by the present invention, the method are applied to controller, in the controller
It is provided with field programmable gate array, when receiving program download request, hangs up current all real-time tasks to storage equipment
Input-output operation；Program download parameters are carried in described program downloading request；In the field programmable gate array
In logic of propositions resource, load program download module corresponding with described program downloading request；It triggers described program and downloads mould
Block carries out program downloading according to described program download parameters, and the storage equipment is written in the program that downloading is obtained.
Program down-loading method provided by the present application reloads function using the dynamic of field programmable gate array, is receiving
After program download request, loading procedure download module executes journey on preset logical resource on programmable gate array at the scene
Sequence downloading, is not take up the resource of processor, has an impact the downloading of program to the real-time task run on controller.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of program down-loading method flow chart disclosed by the invention；
Fig. 2 is a kind of another method flow diagram of program down-loading method disclosed by the invention；
Fig. 3 is a kind of another method flow diagram of program down-loading method disclosed by the invention；
Fig. 4 is a kind of another method flow diagram of program down-loading method disclosed by the invention；
Fig. 5 is a kind of program downloading apparatus structural schematic diagram disclosed by the invention；
Fig. 6 is another program downloading apparatus structural schematic diagram disclosed by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is a kind of program down-loading method flow chart disclosed by the invention, the method is applied to control
Device is provided with field programmable gate array in the controller, which comprises
Step S101: when receiving program download request, input of the current all real-time tasks to storage equipment is hung up
Output operation；Program download parameters are carried in described program downloading request；
Specifically, hanging up current all real-time tasks to storage when the processor of controller receives program download request
The input-output operation of equipment hangs up processor to the bus operation of storage equipment.It is carried in described program downloading request
Program download parameters, the download parameters include program length, the version number of program, check code.
Step S102: in the logic of propositions resource of the field programmable gate array, load is asked with described program downloading
Seek corresponding program download module；
Wherein, the field programmable gate array has the function of that dynamic reloads, and the logic of propositions resource refers to existing
One piece of specific region is marked on field programmable gate array, loading procedure downloads mould when controller needs to carry out program downloading
Block.
Step S103: triggering described program download module according to described program download parameters carry out program downloading, and will under
It carries obtained program and the storage equipment is written；
Specifically, the program write-in storage that downloading obtains can be set when program download module executes program downloading
It is standby, if at this point, the real-time task run on processor, which executes input-output operation to storage equipment, can cause bus collision, shadow
The downloading of program is rung, so hanging up before program download module executes program downloading current all in order to avoid bus collision
The real-time task of operation on a processor is to the input-output operation for storing equipment, to make the control pair of described program download module
Store the input-output operation of equipment.Processor triggers described program download module, is held automatically according to described program download parameters
Line program downloading.
Program down-loading method provided by the present application reloads function using the dynamic of field programmable gate array, is receiving
When program download request, loading procedure download module executes journey on preset logical resource on programmable gate array at the scene
Sequence downloading, is not take up the resource of processor, has an impact the downloading of program to the real-time task run on controller.
Referring to Fig. 2, it is described in the logic of propositions resource of the field programmable gate array, under load and described program
It carries and requests corresponding program download module, specific implementation procedure is as follows:
Step S201: judge whether the logic of propositions resource of presently described field programmable gate array is in Idle state；
Due on the controller without program downloading task when, logic of propositions resource on the field programmable gate array
It is possible that being occupied by other tasks on controller, after receiving program download request, need to judge that presently described scene can compile
Whether the logic of propositions resource of journey gate array is in Idle state.
Step S202: if so, will be downloaded with described program the corresponding program download module of request be loaded into it is described pre-
If on logical resource；
Step S203: if it is not, then suspending the occupying the logic of propositions resource of the task, the logic of propositions resource is carried out
Configuration, makes the logic of propositions resource be in Idle state, and program download module corresponding with described program downloading request is added
It is downloaded in the logic of propositions resource.
The logic of propositions resource mainly runs a kind of acquisition of non-critical information, calculates acceleration, redundant computation, redundancy
Channel, monitoring diagnosis etc. will not influence the task of main program operation after stopping, these tasks are also by field-programmable gate array
The dynamic reloadings of column realizes, these tasks be not comparatively it is extremely important, when the processor of controller receives journey
When sequence downloading request, pause occupies the task of the logic of propositions resource, configures to the logic of propositions resource, makes described
Logic of propositions resource is in Idle state, and program download module corresponding with described program downloading request is loaded into described preset
On logical resource.
Referring to Fig. 3, the triggering described program download module carries out program downloading according to described program download parameters, and
The storage equipment is written in the program that downloading is obtained, specifically includes the following steps:
Step S301: according to described program download parameters, the program obtained in the storage equipment for downloading distributes phase
The memory space answered；
Step S302: the program obtained to downloading backs up；
Step S303: the storage equipment is written into the program of the program and backup downloaded and obtained and stores sky accordingly
Between.
Specifically, the program that downloading obtains stores dedicated section on a storage device, described program is triggered in processor
When download module carries out program downloading according to described program download parameters, need according to program length in program download parameters,
Corresponding memory space is distributed on the dedicated section of the storage equipment.The considerations of for redundancy protecting, the journey that downloading is obtained
Sequence is backed up, and two parts of programs are stored in the storage equipment, and avoiding software upgrading, power-off etc. is unexpected in the process, leads to program
It is destroyed.
Referring to Fig. 4, Fig. 4 is another program down-loading method disclosed by the invention, specifically includes the following steps:
Step S101: when receiving program download request, input of the current all real-time tasks to storage equipment is hung up
Output operation；Program download parameters are carried in described program downloading request；
Step S104: according to the priority for each real-time task being currently operating on processor, judge each reality
When the corresponding data of task whether need to store；If the data need to store, corresponding according to the data is appointed in real time
The priority of business is the corresponding caching of data distribution and stores the data to corresponding caching；If the data are not required to
It stores, then abandons the data.
Specifically, the real-time task of different priorities is run on a processor, the corresponding generation number of these real-time tasks
Be according to, the significance level of data it is relevant with corresponding real-time task, i.e., these real-time tasks are decided by these real-time tasks pair
Whether the data answered are important.After hanging up current all real-time tasks to the input-output operation of storage equipment, needing will be some
Important data are cached, simultaneously as not caching the data of all real-time tasks and abandoning some insignificant data.
It is the corresponding caching of data distribution according to the priority of the corresponding real-time task of the data and will be described
Data are stored to corresponding caching, and the corresponding data of the high real-time task of priority are also more important, and the caching of corresponding distribution can be big
Some, the corresponding data importance of the low real-time task of priority is lower, and the caching of corresponding distribution can be smaller.
Preferably, it for vital data, can be stored with dedicated ferroelectric memory.
Step S102: in the logic of propositions resource of the field programmable gate array, load is asked with described program downloading
Seek corresponding program download module；
Step S103: triggering described program download module according to described program download parameters carry out program downloading, and will under
It carries obtained program and the storage equipment is written；
Step S105: after the completion of program downloading, the logic of propositions resource is configured, provides the logic of propositions
Source reverts to the state before load described program download module, while restoring current all real-time tasks to the storage equipment
Input-output operation.
Specifically, the field programmable gate array has the function of that dynamic reloads, programmable gate array is dynamic at the scene
The region of state reloading, will not influence the task of main program operation after some stoppings of general execution, right after the completion of program downloading
The logic of propositions resource is configured, and the shape before the logic of propositions resource recovery load described program download module is made
State patrols described preset if state of the logic of propositions resource before loading described program download module is Idle state
Collecting resource recovery is Idle state；If state of the logic of propositions resource before loading described program download module is to run
Realization redundant computation, redundant channel, monitoring diagnosis etc. will not influence the task of main program operation after stopping, then patrol described preset
It collects resource and continues to execute the task.Meanwhile after the completion of program downloading, it is defeated to the input of the storage equipment to restore processor
It operates out.
Based on a kind of program down-loading method disclosed in aforementioned present invention, referring to Fig. 5, present invention correspondence discloses a kind of journey
Sequence download apparatus, described device are applied to controller, are provided with field programmable gate array in the controller, comprising:
Suspension module 101, for when receiving program download request, hanging up current all real-time tasks to storage equipment
Input-output operation；Program download parameters are carried in described program downloading request；
Loading module 102, for the logic of propositions resource in the field programmable gate array, load and described program
Corresponding program download module is requested in downloading；
Trigger module 103 carries out program downloading according to described program download parameters for triggering described program download module,
And the storage equipment is written in the program for obtaining downloading.
Program downloading apparatus provided by the present application reloads function using the dynamic of field programmable gate array, is receiving
When program download request, loading procedure download module executes journey on preset logical resource on programmable gate array at the scene
Sequence downloading, is not take up the resource of processor, has an impact the downloading of program to the real-time task run on controller.
Referring to Fig. 6, Fig. 6 is another program downloading apparatus structural schematic diagram disclosed by the invention, the loading module
102 include:
Judging submodule 106, for judging whether the logic of propositions resource of presently described field programmable gate array is in
Idle state；
First load submodule 107, for that will be downloaded with described program when the logic of propositions resource is in Idle state
Corresponding program download module is requested to be loaded into the logic of propositions resource；
Second load submodule 108, for when the logic of propositions resource is in busy state, pause to occupy described pre-
If the task of logical resource, the logic of propositions resource is configured, the logic of propositions resource is made to be in Idle state, it will be with
Described program downloading requests corresponding program download module to be loaded into the logic of propositions resource.
The trigger module includes:
Distribution sub module 109, for downloading obtained journey in the storage equipment according to described program download parameters
Sequence distributes corresponding memory space；
Backup submodule 110, the program for obtaining to downloading back up；
Submodule 111 is written, for the storage equipment phase to be written in the program for downloading obtained program and backup
The memory space answered.
Described device further includes memory module 104, for according to each real-time task being currently operating on processor
Priority, judges whether the corresponding data of each real-time task need to store；If the data need to store, according to institute
The priority for stating the corresponding real-time task of data is the corresponding caching of data distribution and stores the data to correspondence
Caching；If the data do not need to store, the data are abandoned.
Memory module 104, for when the processor in controller receives program download request, suspension module 101
When hanging up input-output operation of the current all real-time tasks to storage equipment, some significant datas are stored, weight is avoided
The loss for wanting data avoids the influence of real-time task of the program downloading to operation on a processor.
Described device further includes dynamic recognition module 105, for being provided after the completion of program downloading to the logic of propositions
Source is configured, and makes the state before the logic of propositions resource recovery load described program download module, while restoring to work as
Input-output operation of the preceding all real-time tasks to the storage equipment.
Dynamic recognition module 105, for will be used under program in field programmable gate array after program downloading
The logical resource of load carries out dynamic recognition, before so that the logic of propositions resource recovery is loaded described program download module
State will be described default if state of the logic of propositions resource before loading described program download module is Idle state
Logical resource reverts to Idle state；If state of the logic of propositions resource before loading described program download module is operation
Realize will not influence main program operation after redundant computation, redundant channel, monitoring diagnosis etc. stop of the task, then make described default
Logical resource continues to execute the task.The utilization rate of resource on controller is improved, and has restored current all real-time tasks
To the input-output operation of the storage equipment, the real-time task run on a processor is made to restore to operate normally as early as possible.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of program down-loading method, the method is applied to controller, is provided with processor in the controller and scene can
Program gate array, which is characterized in that the described method includes:
When receiving program download request, the current all real-time tasks run on the processor are hung up to storage equipment
Input-output operation；Program download parameters are carried in described program downloading request；
Function is reloaded using the dynamic of the field programmable gate array, in the case where being not take up the processor resource,
In the logic of propositions resource of the field programmable gate array, load program corresponding with described program downloading request is downloaded
Module；
It triggers described program download module and carries out program downloading according to described program download parameters, and the program that downloading obtains is write
Enter the storage equipment.
2. the method according to claim 1, wherein the logic of propositions in the field programmable gate array
In resource, load program download module corresponding with described program downloading request, comprising:
Judge whether the logic of propositions resource of presently described field programmable gate array is in Idle state；
If so, program download module corresponding with described program downloading request is loaded into the logic of propositions resource；
If it is not, then suspending the occupying the logic of propositions resource of the task, the logic of propositions resource is configured, is made described pre-
If logical resource is in Idle state, program download module corresponding with described program downloading request is loaded into described preset and is patrolled
It collects in resource.
3. the method according to claim 1, wherein the triggering described program download module is according to described program
Download parameters carry out program downloading, and the storage equipment is written in the program that downloading is obtained, comprising:
According to described program download parameters, the program obtained in the storage equipment for downloading distributes corresponding memory space；
The program obtained to downloading backs up；
The corresponding memory space of the storage equipment is written into the program of the program and backup downloaded and obtained.
4. the method according to claim 1, wherein described hang up current all real-time tasks to storage equipment
After input-output operation, further includes:
According to the priority for each real-time task being currently operating on processor, the corresponding number of each real-time task is judged
According to whether needing to store；
It is data distribution pair according to the priority of the corresponding real-time task of the data if the data need to store
The caching answered and by data storage to corresponding caching；If the data do not need to store, the data are abandoned.
5. the method according to claim 1, wherein the method also includes:
After the completion of program downloading, the logic of propositions resource is configured, loads the logic of propositions resource recovery
State before described program download module, while restoring current all real-time tasks and the input and output of the storage equipment are grasped
Make.
6. a kind of program downloading apparatus, described device is applied to controller, is provided with processor in the controller and scene can
Program gate array, which is characterized in that described device includes:
Suspension module, for when receiving program download request, hanging up current all real-time run on the processor
The input-output operation being engaged in storage equipment；Program download parameters are carried in described program downloading request；
Loading module is being not take up the processor for reloading function using the dynamic of the field programmable gate array
In the case where resource, in the logic of propositions resource of the field programmable gate array, load downloads request phase with described program
Corresponding program download module；
Trigger module, for trigger described program download module according to described program download parameters carry out program downloading, and will under
It carries obtained program and the storage equipment is written.
7. device according to claim 6, which is characterized in that the loading module includes:
Judging submodule, for judging whether the logic of propositions resource of presently described field programmable gate array is in Idle state；
First load submodule, for request phase will to be downloaded with described program when the logic of propositions resource is in Idle state
Corresponding program download module is loaded into the logic of propositions resource；
Second load submodule, for when the logic of propositions resource is in busy state, pause to occupy the logic of propositions
The task of resource configures the logic of propositions resource, and the logic of propositions resource is made to be in Idle state, will be with the journey
Sequence downloading requests corresponding program download module to be loaded into the logic of propositions resource.
8. device according to claim 6, which is characterized in that the trigger module includes:
Distribution sub module, for according to described program download parameters, the program obtained in the storage equipment for downloading to be distributed
Corresponding memory space；
Backup submodule, the program for obtaining to downloading back up；
Submodule is written, is stored accordingly for the storage equipment to be written in the program for downloading obtained program and backup
Space.
9. device according to claim 6, which is characterized in that described device further include:
Memory module judges each reality for the priority according to each real-time task being currently operating on processor
When the corresponding data of task whether need to store；If the data need to store, corresponding according to the data is appointed in real time
The priority of business is the corresponding caching of data distribution and stores the data to corresponding caching；If the data are not required to
It stores, then abandons the data.
10. device according to claim 6, which is characterized in that described device further include:
Dynamic recognition module makes described default for being configured after the completion of program downloading to the logic of propositions resource
Logical resource reverts to the state before load described program download module, while restoring current all real-time tasks and depositing to described
Store up the input-output operation of equipment.
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| CN1545036A (en) * | 2003-11-17 | 2004-11-10 | 中兴通讯股份有限公司 | FPGA logic program downloading device |
| CN101685401A (en) * | 2008-09-22 | 2010-03-31 | 中国科学院计算技术研究所 | Remote wireless programming method and chip for supporting remote wireless programming |
| CN101697129A (en) * | 2009-10-27 | 2010-04-21 | 中兴通讯股份有限公司 | Logic self-loading method and system for field programmable gate array of embedded system |
| CN105487906A (en) * | 2015-12-07 | 2016-04-13 | 浪潮集团有限公司 | Method and system for realizing MCU core code updating by using plug-in FLASH |
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