CN104881302A - Burning method and device for DSP chip program upgrading - Google Patents
Burning method and device for DSP chip program upgrading Download PDFInfo
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Abstract
The invention provides a burning method and device for DSP chip program upgrading. The method includes the steps: a DSP (digital signal processing) program which includes sign information, an upgrade program and at least two applications is burned to a preset area of a memory; whether current version of each application is latest is detected; if the current version of at least one of the applications is older than the latest version, upgrade information of the application is acquired; according to the sign information, an application area where the application to be upgraded is located is determined according to the sign information; the upgrade program is initialized, and the application to be upgraded in the application area is upgraded according to the upgrade information; upgrading results are displayed, and a DSP chip is reset. The burning method and device is applicable to any DSP chips.
Description
Technical field
The present invention relates to embedded chip technical field, particularly relate to a kind of programming method and apparatus for dsp chip program upgrade.
Background technology
Along with the development of embedded chip technology, DSP embedded device is applied to the various fields such as communication, electronics, Industry Control more and more widely, and therefore, in dsp chip, the complexity of programming program and the subsequent upgrade service of product become day by day important.
At present, most of DSP embedded device upgrading is all by traditional programme upgrade method, each upgrading all needs by aids such as emulators, such as by TI(Texas Instruments, Texas Instrument) the program burn writing instrument that provides of company utilizes JTAG(Joint Test Action Group, joint test behavior tissue) emulator carrys out programming program.But the problems such as it is uncontrollable that traditional upgrade method exists programming process mostly, and programming result is unreliable, and need full-time staff to go to customers' place to operate, bring great inconvenience to updating operation, add maintenance cost, poor user experience.
Summary of the invention
The present invention is intended at least one of solve the problems of the technologies described above.
For this reason, first object of the present invention is to propose a kind of programming method for dsp chip program upgrade.The method can realize the remote online upgrading of dsp chip program, reduces the technical requirement to operating personnel, reduces upgrade cost, promote Consumer's Experience.
Second object of the present invention is to propose a kind of programming device for dsp chip program upgrade.
To achieve these goals, the programming method for dsp chip program upgrade of first aspect present invention embodiment, comprise the following steps: by DSP program burn writing to the predeterminable area in storer, wherein, DSP program comprises flag information, ROMPaq and at least two methods program; Whether the current version detecting each application program is respectively latest edition; When the current version of at least one application program of existence is lower than latest edition, obtain the lastest imformation of application program; The application area at application program place to be upgraded is determined according to flag information; Initialization is carried out to ROMPaq, and upgrades according to the application program to be upgraded in lastest imformation application programs region; And display updating result, and dsp chip is resetted.
The programming method for dsp chip program upgrade of the embodiment of the present invention, by by ROMPaq and at least two methods program be stored in different predeterminable areas respectively, the corresponding lastest imformation of download online when application program needs upgrading, and perform ROMPaq and automatically select application program to be upgraded to upgrade, without the need to by instruments such as emulators, achieve the remote online upgrading of dsp chip program, reduce the technical requirement to operating personnel, decrease cost, simple and effective, Consumer's Experience is good.
To achieve these goals, the programming device for dsp chip program upgrade of second aspect present invention embodiment, comprise: writing module, for by DSP program burn writing to the predeterminated position in storer, wherein, described DSP program comprises flag information, ROMPaq and at least two methods program; Detection module, for detecting whether the current version of each described application program is latest edition respectively; First acquisition module, when the current version that there is application program described at least one is lower than latest edition, obtains the lastest imformation of described application program; Upgraded module, for carrying out initialization to described ROMPaq, and according to described flag information and described lastest imformation to upgrade to described application program to be upgraded; Display module, for showing updating result; And reseting module, for resetting to described dsp chip.
The programming device for dsp chip program upgrade of the embodiment of the present invention, by by ROMPaq and at least two methods program be stored in different predeterminable areas respectively, the corresponding lastest imformation of download online when application program needs upgrading, and perform ROMPaq and automatically select application program to be upgraded to upgrade, without the need to by instruments such as emulators, achieve the remote online upgrading of dsp chip program, reduce the technical requirement to operating personnel, decrease cost, simple and effective, Consumer's Experience is good.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein,
Fig. 1 is according to an embodiment of the invention for the process flow diagram of the programming method of dsp chip program upgrade;
Fig. 2 is the process flow diagram of the programming method for dsp chip program upgrade according to another embodiment of the present invention;
Fig. 3 is main function performance schematic diagram according to an embodiment of the invention;
Fig. 4 carries out the process flow diagram of upgrading according to flag information and lastest imformation application programs according to an embodiment of the invention;
Fig. 5 is according to an embodiment of the invention for the structured flowchart of the programming device of dsp chip program upgrade;
Fig. 6 is the structured flowchart of the programming device for dsp chip program upgrade according to another embodiment of the present invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
In describing the invention, it is to be appreciated that term " first ", " second " etc. are only for describing object, and instruction or hint relative importance can not be interpreted as.In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
Describe and can be understood in process flow diagram or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
The programming method and apparatus for dsp chip program upgrade of the embodiment of the present invention is described in detail below in conjunction with Figure of description.
Fig. 1 is according to an embodiment of the invention for the process flow diagram of the programming method of dsp chip program upgrade.
As shown in Figure 1, the programming method for dsp chip program upgrade comprises the following steps:
S101, by DSP program burn writing to the predeterminable area in storer, wherein, DSP program comprises flag information, ROMPaq and at least two methods program.
Particularly, when first programming program, by emulator programming DSP program to the predeterminable area in storer, wherein, flag information, ROMPaq and each application program lay respectively at the zones of different preset in storer, flag information comprises initial jump instruction and can the address of program region of redirect, by reading the program that flag information judges to perform, and the address of acquisition ROMPaq or application program region.
In one particular embodiment of the present invention, the redirect of program is realized by function main function as shown in Figure 2, wherein, the flag information that main function is used for according to reading jumps to boot(ROMPaq) or Aapp(application A) or Bapp(application program B) address field of respective regions.
S102, whether the current version detecting each application program is respectively latest edition.
Particularly, the version querying instruction that can receive according to dsp chip or according to preset polling cycle, in consults memory for store application program region in whether there is application program, if exist, then obtain the version information of each application program, then the latest version information got is contrasted with the current version information of corresponding application programs respectively, to determine that whether the current version of each application program is for latest edition.
S103, when the current version of at least one application program of existence is lower than latest edition, obtains the lastest imformation of application program.
Wherein, lastest imformation comprises the required all information used of the latest edition of installing this application program.
Particularly, when the current version of at least one application program of existence is lower than latest edition, the lastest imformation of this application program can be obtained online, to carry out updating operation to it.
In one embodiment of the invention, if detect, the two methods program in chip needs upgrading simultaneously, then can obtain the lastest imformation of two methods program simultaneously, then upgrade respectively, also successively can carry out acquisition lastest imformation and updating operation according to the order preset to two methods program.
S104, determines the application area at application program place to be upgraded according to flag information.
Particularly, after the lastest imformation of application program obtains, region and the address information at the current application program place that will upgrade can be determined according to flag information, such as judge the application program as a-quadrant or the application program in B region of required renewal, application program to be upgraded start address etc. in its respective regions.
S105, carries out initialization to ROMPaq, and upgrades according to the application program to be upgraded in lastest imformation application programs region.
Particularly, determining application program to be upgraded and after getting corresponding lastest imformation and regional address, ROMPaq can be jumped to according to flag information, and carry out initialization to ROMPaq, thus ROMPaq can be upgraded to application program to be upgraded according to flag information and the application program update got information.
S106, display updating result, and dsp chip is resetted.
Particularly, after ROMPaq execution terminates, on the User Interface of correspondence, show updating result by serial ports, if upgrade unsuccessfully, then the reason returning failure signal He lead to the failure; If upgrade successfully, then return and upgrade successfully signal, and reset operation is carried out to dsp chip, to perform the application program after upgrading.
The programming method for dsp chip program upgrade of the embodiment of the present invention, by by ROMPaq and at least two methods program be stored in different predeterminable areas respectively, the corresponding lastest imformation of download online when application program needs upgrading, and perform ROMPaq and automatically select application program to be upgraded to upgrade, without the need to by instruments such as emulators, achieve the remote online upgrading of dsp chip program, reduce the technical requirement to operating personnel, decrease cost, simple and effective, Consumer's Experience is good.
Fig. 3 is the process flow diagram of the programming method for dsp chip program upgrade according to another embodiment of the present invention.As shown in Figure 3, the programming method for dsp chip program upgrade comprises the following steps:
S201, by DSP program burn writing to the predeterminable area in storer, wherein, DSP program comprises flag information, ROMPaq and at least two methods program.
S202, whether the current version detecting each application program is respectively latest edition.
S203, when the current version of whole application program is latest edition, obtains the update time of application program.
Particularly, in one embodiment of the invention, for each application program, if current version is identical with the recent release detected, then the last update time of this application program is obtained.
Wherein, be the set-up time of application program current version and the last check the time point that the time middle distance current time that upgrades is nearer update time.
S204, when updated and when the interval of current time is greater than predetermined threshold value, whether the current version again detecting application program is latest edition.
Particularly, when the update time of this application program and the interval of current time are greater than predetermined threshold value, again can carry out version detection to this application program, whether the current version detecting this application program is latest edition, and the cycle that can realize by presetting detects application program automatically the need of upgrading.
S205, when the current version of at least one application program of existence is lower than latest edition, obtains the lastest imformation of application program.
Wherein, lastest imformation comprises the required all information used of the latest edition of installing this application program.
Particularly, when the current version of at least one application program of existence is lower than latest edition, the lastest imformation of this application program can be obtained online, to carry out updating operation to it.
In one embodiment of the invention, if detect, the two methods program in chip needs upgrading simultaneously, then can obtain the lastest imformation of two methods program simultaneously, then upgrade respectively, also successively can carry out acquisition lastest imformation and updating operation according to the order preset to two methods program.
S206, determines the application area at application program place to be upgraded according to flag information.
Particularly, after the lastest imformation of application program obtains, region and the address information at the current application program place that will upgrade can be determined according to flag information, such as judge the application program as a-quadrant or the application program in B region of required renewal, application program to be upgraded start address etc. in its respective regions.
S207, carries out initialization to ROMPaq, and upgrades according to the application program to be upgraded in lastest imformation application programs region.
Particularly, determining application program to be upgraded and after getting corresponding lastest imformation and regional address, ROMPaq can be jumped to according to flag information, and carry out initialization to ROMPaq, thus ROMPaq can be upgraded to application program to be upgraded according to flag information and the application program update got information.
In one embodiment of the invention, as shown in Figure 4, carry out upgrading according to the application program to be upgraded in lastest imformation application programs region and comprise further:
S2071, jumps to the application area at application program place to be upgraded.
Particularly, ROMPaq can judge it is which application program needs upgrading according to flag information, and jumps to the application area at application program place to be upgraded.
S2072, obtains the application programming interfaces preset, to carry out read-write and/or the erase operation of preset length to the content in storer.
In one embodiment of the invention, can pre-loaded Ti(Texas Instruments, Texas Instrument) company exploitation storage operation API(Application Programming Interface, application programming interface), realize the read-write to the preset length of content in storer and/or erase operation, prevent from being erased to flag information and ROMPaq itself simultaneously, the function of circulation erasing, programming can be realized.
S2073, the application program to be upgraded in erasing application area.
Particularly, the application programming interfaces by presetting wipe the application program to be upgraded in this application area.
S2074, according to lastest imformation, by the application program programming of latest edition to application area.
Particularly, after the original application program of erasing, can according to lastest imformation by the application program programming of latest edition that receives in the address field of correspondence.
S208, display updating result, and dsp chip is resetted.
Particularly, after ROMPaq execution terminates, on the User Interface of correspondence, show updating result by serial ports, if upgrade unsuccessfully, then the reason returning failure signal He lead to the failure; If upgrade successfully, then return and upgrade successfully signal, and reset operation is carried out to dsp chip, to perform the application program after upgrading.
The programming method for dsp chip program upgrade of the embodiment of the present invention, by by ROMPaq and at least two methods program be stored in different predeterminable areas respectively, automatically renewal is detected by the cycle, ROMPaq is performed when there being application program to need upgrading, application program to be upgraded is selected to upgrade, without the need to by instruments such as emulators, the remote online upgrading of dsp chip program can be realized, quote the storage operation interface of Ti simultaneously, prevent from wiping ROMPaq itself, realize circulation erasing/programming, reduce the technical requirement to operating personnel, decrease cost, simple and effective, Consumer's Experience is good.
In order to realize above-described embodiment, embodiments of the invention also propose a kind of programming device for dsp chip program upgrade of the embodiment of the present invention.
Fig. 5 is the structured flowchart of the programming device for dsp chip program upgrade of the embodiment of the present invention according to an embodiment of the invention.
As shown in Figure 5, the programming device for dsp chip program upgrade comprises: writing module 100, detection module 200, first acquisition module 300, determination module 400, upgraded module 500, display module 600 and reseting module 700.
Particularly, writing module 100 for by DSP program burn writing to the predeterminated position in storer, wherein, DSP program comprises flag information, ROMPaq and at least two methods program.More specifically, when first programming program, writing module 100 by emulator programming DSP program to the predeterminable area in storer, wherein, flag information, ROMPaq and each application program lay respectively at the zones of different preset in storer, flag information comprises initial jump instruction and can the address of program region of redirect, the program that writing module 100 judges to perform by reading flag information, and the address of acquisition ROMPaq or application program region.
Detection module 200 is for detecting whether the current version of each application program is latest edition respectively.More specifically, the version querying instruction that detection module 200 can receive according to dsp chip or according to preset polling cycle, in consults memory for store application program region in whether there is application program, if exist, then obtain the version information of each application program, then the latest version information got is contrasted with the current version information of corresponding application programs respectively, to determine that whether the current version of each application program is for latest edition.
First acquisition module 300, for when the current version of at least one application program of existence is lower than latest edition, obtains the lastest imformation of application program.Wherein, lastest imformation comprises the required all information used of the latest edition of installing this application program.More specifically, when the current version of at least one application program of existence is lower than latest edition, the first acquisition module 300 can obtain the lastest imformation of this application program online, to carry out updating operation to it.In one embodiment of the invention, if detect, the two methods program in chip needs upgrading simultaneously, then the first acquisition module 300 can obtain the lastest imformation of two methods program simultaneously, also successively can obtain the lastest imformation of two methods program according to the order preset.
Determination module 400 is for determining the application area at application program place to be upgraded according to flag information.More specifically, after the lastest imformation of application program obtains, determination module 400 can determine region and the address information at the current application program place that will upgrade according to flag information, such as judge the application program as a-quadrant or the application program in B region of required renewal, application program to be upgraded start address etc. in its respective regions.
Upgraded module 500 for carrying out initialization to ROMPaq, and according to flag information and lastest imformation to upgrade to application program to be upgraded.More specifically, after determination module 400 is determined application program to be upgraded and is got corresponding lastest imformation and regional address, upgraded module 500 can jump to ROMPaq according to flag information, and carry out initialization to ROMPaq, thus ROMPaq can be upgraded to application program to be upgraded according to flag information and the application program update got information.
Display module 600 is for showing updating result.
Reseting module 700 is for resetting to dsp chip.
More specifically, after ROMPaq execution terminates, display module 600 shows updating result by serial ports on the User Interface of correspondence, if upgrade unsuccessfully, then and the reason returning failure signal He lead to the failure; If upgrade successfully, then return and upgrade successfully signal, and carry out reset operation, to perform the application program after upgrading by reseting module 700 pairs of dsp chips.
The programming device for dsp chip program upgrade of the embodiment of the present invention, by by ROMPaq and at least two methods program be stored in different predeterminable areas respectively, the corresponding lastest imformation of download online when application program needs upgrading, and perform ROMPaq and automatically select application program to be upgraded to upgrade, without the need to by instruments such as emulators, achieve the remote online upgrading of dsp chip program, reduce the technical requirement to operating personnel, decrease cost, simple and effective, Consumer's Experience is good.
Fig. 6 is the structured flowchart of the programming device for dsp chip program upgrade according to another embodiment of the present invention.
As shown in Figure 6, programming device for dsp chip program upgrade also comprises: writing module 100, detection module 200, first acquisition module 300, determination module 400, upgraded module 500, first obtain submodule 510, second and obtain submodule 520, erasing submodule 530, write submodule 540, display module 600, reseting module 700 and the second acquisition module 800, wherein, upgraded module 400 comprises the first acquisition submodule 410, second acquisition submodule 420, erasing submodule 430 and write submodule 440.
Particularly, first submodule 510 is obtained for obtaining address field corresponding to application program to be upgraded according to flag information.More specifically, first obtains submodule 510 can judge it is which application program needs upgrading according to flag information, and jumps to the application area at application program place to be upgraded.
Second obtains submodule 520 for obtaining default application programming interfaces, to carry out read-write and/or the erase operation of preset length to the content in storer.In one embodiment of the invention, second obtains submodule 520 can the storage operation API(Application Programming Interface of pre-loaded Ti company exploitation, application programming interface), realize the read-write to the preset length of content in storer and/or erase operation, prevent from being erased to flag information and ROMPaq itself, to realize the function of circulation erasing, programming simultaneously.
Erasing submodule 530 is for wiping the application program in address field.More specifically, wipe submodule 530 and wipe application program to be upgraded in this application area by calling default application programming interfaces.
Write submodule 540 for according to lastest imformation, by the application program programming of latest edition to address field.More specifically, after the original application program of erasing, write submodule 540 can according to lastest imformation by the application program programming of latest edition that receives in the address field of corresponding application area.
Second acquisition module 800, for when the current version of whole application program is latest edition, obtains the update time of application program.More specifically, in one embodiment of the invention, if current version is identical with the recent release detected, then the second acquisition module 800 obtains the last update time of current application program.Wherein, be the set-up time of application program current version and the last check the time point that the time middle distance current time that upgrades is nearer update time.
In one embodiment of the invention, detection module 200 is also between when updated and when the interval of current time is greater than predetermined threshold value, and whether the current version detecting application program is latest edition.More specifically, when updated and when the interval of current time is greater than predetermined threshold value, detection module 200 can perform version detection again, and whether the current version detecting application program is latest edition, and the cycle that can realize by presetting detects application program automatically the need of upgrading.
The programming device for dsp chip program upgrade of the embodiment of the present invention, by by ROMPaq and at least two methods program be stored in different predeterminable areas respectively, automatically renewal is detected by the cycle, ROMPaq is performed when there being application program to need upgrading, application program to be upgraded is selected to upgrade, without the need to by instruments such as emulators, the remote online upgrading of dsp chip program can be realized, quote the storage operation interface of Ti simultaneously, prevent from wiping ROMPaq itself, realize circulation erasing/programming, reduce the technical requirement to operating personnel, decrease cost, simple and effective, Consumer's Experience is good.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (8)
1., for a programming method for dsp chip program upgrade, it is characterized in that, comprise the following steps:
By DSP program burn writing to the predeterminable area in storer, wherein, described DSP program comprises flag information, ROMPaq and at least two methods program;
Whether the current version detecting each described application program is respectively latest edition;
When the current version that there is application program described at least one is lower than latest edition, obtain the lastest imformation of described application program;
The application area at application program place to be upgraded is determined according to described flag information;
Initialization is carried out to described ROMPaq, and according to described lastest imformation, the application program described to be upgraded in described application area is upgraded; And
Display updating result, and described dsp chip is resetted.
2. the programming method for dsp chip program upgrade according to claim 1, is characterized in that, described upgrading to the application program described to be upgraded in described application area according to described lastest imformation comprises further:
Jump to the application area at described application program place to be upgraded;
Wipe the application program described to be upgraded in described application area; And
According to described lastest imformation, by the described application program programming of described latest edition to described application area.
3. the programming method for dsp chip program upgrade according to claim 2, is characterized in that, before the application program described to be upgraded in the described application area of described erasing, also comprises:
Obtain the application programming interfaces preset, to carry out read-write and/or the erase operation of preset length to the content in storer.
4. the programming method for dsp chip program upgrade according to claim 1, is characterized in that, also comprise:
When the current version of whole described application program is latest edition, obtain the update time of described application program; And
When the interval of described update time and current time is greater than predetermined threshold value, whether the current version again detecting described application program is latest edition.
5. for a programming device for dsp chip program upgrade, it is characterized in that, comprising:
Writing module, for by DSP program burn writing to the predeterminated position in storer, wherein, described DSP program comprises flag information, ROMPaq and at least two methods program;
Detection module, for detecting whether the current version of each described application program is latest edition respectively;
First acquisition module, for when the current version that there is application program described at least one is lower than latest edition, obtains the lastest imformation of described application program;
Determination module, for determining the application area at application program place to be upgraded according to described flag information;
Upgraded module, for carrying out initialization to described ROMPaq, and according to described flag information and described lastest imformation to upgrade to described application program to be upgraded;
Display module, for showing updating result; And
Reseting module, for resetting to described dsp chip.
6. the programming device for dsp chip program upgrade according to claim 5, is characterized in that, described upgraded module specifically comprises:
First obtains submodule, for obtaining address field corresponding to described application program to be upgraded according to described flag information;
Erasing submodule, for wiping the described application program in described address field; And
Write submodule, for according to described lastest imformation, by the described application program programming of described latest edition to described address field.
7. the programming device for dsp chip program upgrade according to claim 6, is characterized in that, described upgraded module specifically also comprises:
Second obtains submodule, for obtaining default application programming interfaces, to carry out read-write and/or the erase operation of preset length to the content in storer.
8. the programming device for dsp chip program upgrade according to claim 5, is characterized in that, also comprise:
Second acquisition module, for when the current version of whole described application program is latest edition, obtains the update time of described application program; Wherein, described detection module is also for when the interval of described update time and current time is greater than predetermined threshold value, and whether the current version detecting described application program is latest edition.
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| CN113179178A (en) * | 2021-04-22 | 2021-07-27 | 深圳市天辰防务通信技术有限公司 | DSP (digital signal processor) upgrading method and device based on measurement and control host |
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| CN101178658A (en) * | 2007-11-30 | 2008-05-14 | 上海广电（集团）有限公司中央研究院 | Upgrade system and upgrade method based on DSP |
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| CN102905173A (en) * | 2012-10-16 | 2013-01-30 | 青岛海信信芯科技有限公司 | Method and system for upgrading software of televisions or set-top boxes |
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