CN100469001C - Electronic system and method capable of using general prompt-use communication protocol - Google Patents
Electronic system and method capable of using general prompt-use communication protocol Download PDFInfo
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- CN100469001C CN100469001C CNB200410059347XA CN200410059347A CN100469001C CN 100469001 C CN100469001 C CN 100469001C CN B200410059347X A CNB200410059347X A CN B200410059347XA CN 200410059347 A CN200410059347 A CN 200410059347A CN 100469001 C CN100469001 C CN 100469001C
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Abstract
The electronic system includes following parts: a network interface in use for connecting the electronic system to a network; a nonvolatile memory including system software; and a CPU. Using a universal plug and play communication protocol (UPnP), the electronic system searches new software update module through network, down loads a selected software update module. Using selected software update module, the system updates content of the nonvolatile memory. If the updating program is not successful, then a start-up loader with a drive for movable storage device is applied in order to update content of the nonvolatile memory; or the start-up loader with a network stack is applied through UPnP to search a backed up software program, through which, the electronic system is started up again.
Description
Technical field
The present invention relates to a kind of electronic system, particularly a kind of UPnP communication protocol of can using is come the electronic system that the software program in the nonvolatile memory is upgraded, with and correlation technique.
Background technology
Along with being showing improvement or progress day by day of science and technology, use more and more that the chance of various electronic systems (electronicsystem) also becomes in daily life.In most electronic system (especially embedded system and embedded equipment), regular meeting uses " nonvolatile memory " (non-volatile memory) and comes the systems soft ware of the required use of stored electrons system.Sometimes, system can have and uses new software upgrading assembly to come the demand that nonvolatile memory is upgraded.For instance, if the manufacturer of electronic system has issued the systems soft ware of redaction, during with the wrong or function that the increase electronic system is new in the correction legacy version, it comes the action that nonvolatile memory is upgraded with regard to using new software upgrading assembly.
See also Fig. 1, Fig. 1 is the schematic diagram of known technology one embedded system.Embedded system 100 among Fig. 1 includes: a CPU 102, one random access memorys (RAM) 104, one start-up loading devices (boot loader) 106, one movable storage devices 108, and a nonvolatile memory 110.In this example, nonvolatile memory 110 is flash memories, yet using the nonvolatile memory of other type to be used as nonvolatile memory 110 also is the feasible practice.Store a system software program 112 (also can be described as the system core (system kernel)) in the flash memory 110, it can provide CPU 102 required operational order.When firm unlatching embedded system 100, start-up loading device 106 can become correct operator scheme with CPU 102 configurations (configure), next, CPU 102 can skip in the flash memory 110 the initial address corresponding to 112 beginnings of system software program, afterwards, CPU 102 executive system software programs 112 to be finishing the boot program of embedded system 100, and begin to enter the state of embedded system 100 normal runnings.
And when the new update system software of the manufacturer of embedded system 100 distribution, have several practices can be used for action that flash memory 110 is upgraded in the known technology.A kind of method wherein is embedded system 100 must be given manufacturer's (or its maintenace point) with flash memory 110 sequencing again.Yet this is that a kind of expending time in also expended the practice of cost, and therefore new update system software all can be left in disk, CD in manufacturer usually, or in the movable stocking system of other class, and offer the user to carry out renewal work.Thus, the system software program 112 in the embedded system 100 must provide the user can use software upgrading assembly in the movable storage device 108, manually the function that flash memory 110 is upgraded.Also has a kind of practice that improved, the manufacturer that is exactly embedded system 100 is placed on new software upgrading assembly on the fixing network address, the user must regularly check initiatively then whether new update system software is arranged on this network address, and initiatively downloads the flash memory in the embedded system 100 110 is upgraded.
Fig. 2 is the schematic diagram of known technology one network type embedded system.Network type embedded system 200 among Fig. 2 except include to Fig. 1 in similar CPU 102, random access memory 104, start-up loading device 106, and outside the flash memory 110, CPU 102 also includes can be by the system software program 206 of network renewal; In addition, by network interface 202, embedded system 200 can be connected to a network 204.Whether (or a plurality of) server that the embedded system 200 among Fig. 2 can regularly be connected to its manufacturer and provided has new update system software to check.If there is new update system software to exist in the server that embedded system 200 is connected to, then embedded system 200 can come flash memory 110 is upgraded by network 204 automatically.The aforementioned mode of automatically upgrading flash memory 110 by network has significantly reduced upgrades required time and cost, yet, use the embedded system 200 of this kind practice but need preserve each network address of server that is predetermined.
Summary of the invention
Therefore one object of the present invention is to provide a kind of electronic system and correlation technique that uses UPnP communication protocol update software program, to solve the problem that known technology was faced.
According to one aspect of the present invention, disclosed a kind of electronic system, it includes:
One network interface is used for connecting this electronic system and a network;
One nonvolatile memory, it includes systems soft ware; And
One CPU is connected to this network interface and this nonvolatile memory;
Wherein, this electronic system can be looked for new software upgrading assembly by a UPnP communication protocol on this network, look on comfortable this network and download a selected software upgrading assembly in the new software upgrading assembly, and use this selected software upgrading assembly to upgrade the content of this nonvolatile memory
Wherein, to each new software upgrading assembly, this CPU all determines a path cost, each path cost is the network distance that is relevant between this electronic system and this new software upgrading assembly, and this selected software upgrading assembly then is the software upgrading assembly with minimal path cost; With
Wherein, for a specific software upgrading assembly, this electronic system is by the IP address of inspecting the server of depositing this software upgrading assembly or inspects the package turnaround time of the online testing package that is sent to this server or the network hop number of times between this electronic system and this server, decides the pairing path cost of this software upgrading assembly.
According to another aspect of the present invention, disclosed a kind of method that is used for upgrading the software program of an electronic system, this method includes:
Use a UPnP communication protocol to look on a network to be used for the new renewal assembly of this software program, wherein, this network is to be connected in this electronic system;
Select a selected assembly that upgrades in the new renewal assembly that comfortable this network finds;
Download and selectedly to upgrade assembly; And
Upgrade this software program with this selected assembly that upgrades,
Wherein, selecting a selected assembly that upgrades in the new renewal assembly that comfortable this network finds comprises:
For each new renewal assembly all determines a path cost, wherein, each path cost is the network distance that is relevant between this electronic system and this new renewal assembly;
Wherein, select this selected step of upgrading assembly and then include: assembly should be selectedly upgraded in the renewal assembly conduct of selecting to have the minimal path cost, and
Wherein, for a specific renewal assembly, by the IP address of inspecting the server of depositing this renewal assembly or inspect the package turnaround time of the online testing package that is sent to this server or the network hop number of times between this electronic system and this server, decide the pairing path cost of this software upgrading assembly.
Description of drawings
Fig. 1 is the schematic diagram of known technology one embedded system.
Fig. 2 is the schematic diagram of known technology one network type embedded system.
Fig. 3 is the first embodiment schematic diagram of electronic system of the present invention.
Fig. 4 is the second embodiment schematic diagram of electronic system of the present invention.
Fig. 5 is an embodiment flow chart of method proposed by the invention.
The reference numeral explanation
100 embedded systems
102,301 CPU
104,302 random access memorys
106,304,402 start-up loading devices
108,306 movable storage devices
110,312 nonvolatile memories
112,206,314 system software program
200 network type embedded systems
202,308 network interfaces
204,310 networks
300,400 electronic systems
316,404 UPnP storehouses
318 watchdog timers
The incomplete sign of 320 nonvolatile memories
322 user's interfaces
Embodiment
See also Fig. 3, Fig. 3 is the first embodiment schematic diagram of electronic system of the present invention.Electronic system 300 in the present embodiment includes: a CPU 301, one random access memory 302, one start-up loading device 304, one movable storage device 306, the incomplete sign 320 of one network interface, 308, one watchdog timers (watchdog timer), 318, one nonvolatile memories, one user's interface 322, and a nonvolatile memory 312 (being a flash memory in the present embodiment).Among flash memory 312, store a system software program 314, be used to provide the required operational order of CPU 301.Electronic system 300 can be connected to the network 310 of an outside by network interface 308, then include a UPnP (Universal Plug and Play in the system software program 312, UPnP) storehouse 316, so electronic system 300 can be carried out the action of network access based on UPnP communication protocol.When firm unlocking electronic system 300, start-up loading device 304 can be configured to correct operator scheme with CPU 301, next, CPU 301 can skip in the flash memory 312 the initial address corresponding to 314 beginnings of system software program, afterwards, CPU 301 executive system software programs 314 to be finishing the boot program of electronic system 300, and begin to enter the state of electronic system 300 normal runnings.
In preferred embodiment of the present invention, electronic system 300 is under normal mode of operation, and it can use UPnP communication protocol, looks for the new software upgrading assembly that can be used for system software program 314 automatically in network 310.Then involved interaction between the server that has the software upgrading assembly in network interface 308 and the network 310 as for the action of looking for the software upgrading assembly with UPnP communication protocol.Generally speaking, even do not depositing the network address of particular server in the network 310 in the electronic system 300, it still can use UPnP communication protocol to look for new software upgrading assembly automatically.
When finding new software upgrading assembly, CPU 301 can calculate a path cost to each new software upgrading assembly that is found to.Have a kind of implementation method to be: CPU 301 can calculate relevant path cost by the IP address of inspecting the server of depositing new software upgrading assembly (IP address).Computational methods as for path cost can be, the package turnaround time (round trip time) by the online testing package (ping packet) that is sent to server (depositing new software upgrading assembly) is decided path cost, this moment, system can given higher path cost for the server with big package turnaround time.If use this kind practice, then can given one than the server of fast-response electronic system 300 (or and server of more not being jammed of the network on-line of 300 of electronic systems) lower path cost; As for can given one than the server of slow-response electronic system 300 (or and server of comparatively being jammed of the network on-line of 300 of electronic systems) higher path cost.In addition, also having a kind of practice is exactly by the number of times that calculates network hop (network hop) between electronic system 300 and the server, decides corresponding path cost.
Whenever system discovery to new software upgrading assembly, and determine after the relevant path cost, system is the mode of (real-time) information of notifying the user to be correlated with in real time, and demonstrate relevant path cost for user's reference.
As for after the user is notified, there is a kind of practice to be: to select one of them as selected software upgrading assembly when the user can be from the new software upgrading assembly that is found to, and begin flash memory contents is upgraded with this selected software upgrading assembly.Another kind is that CPU 301 determines the component software that desire upgrades (when using this kind practice, preferable mode is exactly that the software upgrading assembly that allows CPU 301 select to have less path cost is used as selected software upgrading assembly) from new software upgrading assembly voluntarily as rule.In addition, selecting more suitable server, the server that authenticated or more not busy server that selected software upgrading assembly is provided, also all is possible implementation.
And after selecting selected software upgrading assembly, CPU 301 can be passed through network interface 308, downloads the selected software upgrading assembly that is arranged in network 310.For fear of flash memory 312 having been carried out the incomplete work that writes, in the preferable practice of the present invention, CPU 301 can be earlier be downloaded among the random access memory 302 (but not directly deposit to flash memory 312 within) with selecting the software upgrading assembly.In addition, before upgrading flash memory 312, CPU 301 can also be set the state of the incomplete sign 320 of (set) nonvolatile memory in advance, with inform watchdog timer 318 flash memories 312 do not finished as yet by proper procedureization (this moment if electronic system 300 need restart, just can not use the system software program 314 in the flash memory 316 to carry out startup work).Owing to be to use flash memory as nonvolatile memory 312 in the embodiments of figure 3, so the program that flash memory 312 is upgraded can include: at first, remove stored content (or the stored content in subregion) in the flash memory 312; Next newer software upgrading assembly is write among the flash memory of removing 312.As in using the execution mode of other class internal memory, then can use different refresh routines as nonvolatile memory 312.For example,, can directly downloaded software be upgraded assembly and write wherein some specific nonvolatile memory, and the action that does not need elder generation that its content is removed.
Upgraded after the flash memory 312 with the software upgrading assembly of downloading, CPU 301 can be recovered the state of the incomplete sign 320 of (unset) nonvolatile memory, with inform watchdog timer 318 flash memories 312 proper procedureization finish, electronic system 300 can be in flash memory 312 loading system software program 314.
And the reliability (reliability) in order to guarantee system, watchdog timer 318 can continue to monitor the state of the incomplete sign 320 of nonvolatile memory.Surpass a default time limit if not the incomplete sign 320 of volatile memory is in the time segment length of set condition, then watchdog timer 318 can suppose that refresh routine fails, and uses a standby software program to restart electronic system 300.This standby software program can leave disk, CD or other class in can be undertaken among the Storage Media of access by movable storage device 306.In addition, also having a kind of practice, is to leave in standby software program among one independent partitions of flash memory 312 or leave in the electronic system 300 one in independently among the nonvolatile memory.304 of start-up loading devices can include a movable storage device driver (not being illustrated among the figure), after failing at refresh routine, use the standby software program that is stored in the movable storage device to restart electronic system 300.Owing to used the incomplete sign 320 of nonvolatile memory, watchdog timer 318 and standby component software, so the electronic system 300 of Fig. 3 can have better reliability when upgrading work.
See also Fig. 4, Fig. 4 is the second embodiment schematic diagram of electronic system of the present invention.The embedded system 400 of present embodiment include with Fig. 3 in electronic system 300 similarly form assemblies (similarly assembly is to use identical numeral number, seldom gives unnecessary details at this), yet the start-up loading device 402 among Fig. 4 includes a UPnP storehouse 404 in addition.
The advantage that UPnP storehouse 404 is included among the start-up loading device 402 is, if the refresh routine of flash memory 312 has been failed, then embedded system 400 can be used UPnP communication protocol, utilizes the work of being restarted by the standby component software that is found on the network 310.In addition, owing to used UPnP communication protocol, so electronic system 400 does not need to deposit in advance the network server address that is connected on the network 310.And after starting electronic system 400 with the standby component software that is found on by network 310, can carry out refresh routine to the content of the flash memory 312 of electronic system 400, even online interruption of 310 on electronic system 400 and network afterwards, or when can not find standby software program on the network, the work that electronic system 400 still can use flash memory 312 to start.
Owing to used UPnP communication protocol to look for new software upgrading assembly, no matter the person of being to use or electronic system 300,400 need not known specific website, the network address, file name or include the pointer (pointer) of the systems soft ware that upgrades usefulness.By UPnP communication protocol, system can look for new software upgrading assembly automatically, so applicable in the fast-changing network environment.In addition, use UPnP communication protocol, in network, look for the mode of software upgrading assembly, can automatically, also upgrade the nonvolatile memory in the electronic system (being connected in a network) very simply according to the practice proposed by the invention.And the manufacturer of the electronic system network address of update service device optionally just, electronic system still can use UPnP communication protocol to carry out more new element automatically.
Those who familiarize themselves with the technology can find at an easy rate, and the present invention can also be applied in and use among the work that UPnP communication protocol comes the software program (for example system nucleus) beyond the system software program is upgraded.Therefore, in fact the practice proposed by the invention can be used for UPnP communication protocol, the action that comes the software program to any kind in the electronic system of any kind to upgrade by network.
See also Fig. 5, Fig. 5 is an embodiment flow chart of method proposed by the invention, is used for upgrading the software program in the electronic system.Each step among Fig. 5 below will be described in detail in detail:
Step 502: use a UPnP communication protocol on a network (being connected in this electronic system), to look for new renewal assembly.The preferable herein practice is that system carries out this step voluntarily under normal operating state, and does not need to carry out any operation by the user.In addition, also having a kind of is to assign the instruction that begins to carry out this step by a user or a system timer as rule.When UPnP communication protocol is looked for new renewal assembly on network, enter step 504.
Step 504: a path cost of each new renewal assembly is looked in decision in step 502.For instance, system can be by the IP address of inspecting the server of depositing the renewal assembly or inspect the package turnaround time of the online testing package that is sent to this server or the network hop number of times between this electronic system and this server, or alternate manner decides the pairing path cost of this renewal assembly.After determining path cost, enter step 506.
Step 506: the user of notice electronic system has found new renewal assembly, and informs relevant path cost.The preferable practice of step 506 is in real-time mode, when finding new renewal assembly and determining relevant path cost, promptly notifies the user at once.Enter step 508.
Step 508: select a selected assembly that upgrades, and the beginning refresh routine.This step has a kind of practice, is to select this selected assembly that upgrades by the user, and the beginning refresh routine; Another kind is to select the renewal assembly with minimal path cost by the Automatic Program in this electronic system to select the renewal assembly as this as rule, and the beginning refresh routine.Enter step 510.
Step 510: this network download should selected software upgrading assembly certainly.The preferable practice of this step is: will select earlier and upgrade assembly and be downloaded to (for example random access memory) among the volatile ram in the electronic system, this practice can prevent because the renewal mistake that failed download or network on-line interrupt being caused takes place.Download this selected renewal after the assembly, entered step 512.
Step 512: set the not state of complete sign of a nonvolatile memory, finish to represent that this software program in this electronic system upgrades as yet.
Step 514: should upgrade this software program by selected renewal assembly with what download, and enter step 516.
Step 516: recover the not state of complete sign of (unset) this nonvolatile memory, finish to represent that this software program in this electronic system has upgraded.
In above-mentioned preferred embodiment, system can use a watchdog timer to guarantee the reliability of software program refresh routine.Surpass a default time limit if the incomplete sign of this nonvolatile memory is in the time segment length of set condition, then watchdog timer can use a standby software program to restart this electronic system.As previously mentioned, the start-up loading device in this electronic system can include a movable storage device driver, is used for reading the back-up system software program that leaves in the movable storage device, to restart this electronic system.This back-up system software program can leave disk, CD or other class in can be undertaken among the Storage Media of access by movable storage device 306.In addition, also having a kind of practice, is to leave in standby software program among one independent partitions of flash memory 312 or leave in the electronic system 300 one in independently among the nonvolatile memory.In addition, the start-up loading device of this electronic system can also include a network stack, so under the situation of software upgrading failure, system can use UPnP communication protocol to look for standby systems soft ware on network, to restart this electronic system.
Owing to used the incomplete sign of this nonvolatile memory and this watchdog timer, so better reliability can be arranged when the present invention upgrades work.Yet,, can also not carry out above-mentioned step 512 and 516, with better simplification embodiments of the present invention if when wanting system dependability to be not important considering.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (16)
1. electronic system, it includes:
One network interface is used for connecting this electronic system and a network;
One nonvolatile memory, it includes systems soft ware; And
One CPU is connected to this network interface and this nonvolatile memory;
Wherein, this electronic system can be looked for new software upgrading assembly by a UPnP communication protocol on this network, look on comfortable this network and download a selected software upgrading assembly in the new software upgrading assembly, and use this selected software upgrading assembly to upgrade the content of this nonvolatile memory
Wherein, to each new software upgrading assembly, this CPU all determines a path cost, each path cost is the network distance that is relevant between this electronic system and this new software upgrading assembly, and this selected software upgrading assembly then is the software upgrading assembly with minimal path cost; With
Wherein, for a specific software upgrading assembly, this electronic system is by the IP address of inspecting the server of depositing this software upgrading assembly or inspects the package turnaround time of the online testing package that is sent to this server or the network hop number of times between this electronic system and this server, decides the pairing path cost of this software upgrading assembly.
2. electronic system as claimed in claim 1, wherein, described nonvolatile memory has:
The incomplete sign of one nonvolatile memory;
Wherein, as yet with download should selected software upgrading assembly do not upgrade the content of this nonvolatile memory before, this CPU is set the not state of complete sign of this nonvolatile memory, with represent this nonvolatile memory as yet not sequencing finish; With download should selected software upgrading assembly upgrade the content of this nonvolatile memory after, this CPU is recovered the not state of complete sign of this nonvolatile memory, with represent this nonvolatile memory sequencing finish.
3. electronic system as claimed in claim 2, it includes in addition:
One watchdog timer;
Wherein, this watchdog timer is to monitor the time segment length that the incomplete sign of this nonvolatile memory is in set condition; Surpass a default time limit if the incomplete sign of this nonvolatile memory is in the time segment length of set condition, then this watchdog timer can use a standby software program to restart this electronic system.
4. electronic system as claimed in claim 3, wherein, this standby software program is to leave among the independent partitions of this nonvolatile memory or leave in the described electronic system another in independently among the nonvolatile memory.
5. electronic system as claimed in claim 3, wherein, this standby software program is to leave among the movable Storage Media, this movable Storage Media is to be a CD-ROM, a flash type storage card or a disk.
6. electronic system as claimed in claim 3, it includes in addition:
One start-up loading device includes the permanent firmware that is used for starting this electronic system;
Wherein, this start-up loading device includes a network stack or a movable storage device driver, and this network stack then includes a UPnP storehouse, and this standby software program is to leave among this network.
7. electronic system as claimed in claim 1, wherein, this electronic system is an embedded system, and this selected software upgrading assembly is the system software core of this embedded system, and this nonvolatile memory then is a flash memory.
8. electronic system, it includes:
One network interface is used for connecting this electronic system and a network;
One nonvolatile memory, it includes systems soft ware; And
One CPU is connected to this network interface and this nonvolatile memory;
One user's interface arrangement, this CPU can notify a user to find new software upgrading assembly on this network by this user's interface arrangement,
Wherein, this electronic system can be looked for new software upgrading assembly by a UPnP communication protocol on this network, look on comfortable this network and download a selected software upgrading assembly in the new software upgrading assembly, and use this selected software upgrading assembly to upgrade the content of this nonvolatile memory
Wherein, this CPU can use this user's interface arrangement to notify this user when finding new software upgrading assembly in real time, and this user then can select this selected software upgrading assembly by this user's interface arrangement.
9. method that is used for upgrading the software program of an electronic system, this method includes:
Use a UPnP communication protocol to look on a network to be used for the new renewal assembly of this software program, wherein, this network is to be connected in this electronic system;
Select a selected assembly that upgrades in the new renewal assembly that comfortable this network finds;
Download and selectedly to upgrade assembly; And
Upgrade this software program with this selected assembly that upgrades,
Wherein, selecting a selected assembly that upgrades in the new renewal assembly that comfortable this network finds comprises:
For each new renewal assembly all determines a path cost, wherein, each path cost is the network distance that is relevant between this electronic system and this new renewal assembly;
Wherein, select this selected step of upgrading assembly and then include: assembly should be selectedly upgraded in the renewal assembly conduct of selecting to have the minimal path cost, and
Wherein, for a specific renewal assembly, by the IP address of inspecting the server of depositing this renewal assembly or inspect the package turnaround time of the online testing package that is sent to this server or the network hop number of times between this electronic system and this server, decide the pairing path cost of this software upgrading assembly.
10. method as claimed in claim 9, it includes in addition:
Selected the renewal before assembly do not upgrade this software program as yet with this, set the not state of complete sign of a nonvolatile memory, with represent this software program as yet not sequencing finish; And
Selected the renewal after assembly upgrades this software program with this, recover the not state of complete sign of this nonvolatile memory, with represent this software program sequencing finish.
11. method as claimed in claim 10, it includes in addition:
Monitor the time segment length that the incomplete sign of this nonvolatile memory is in set condition; And
Surpass a default time limit if the incomplete sign of this nonvolatile memory is in the time segment length of set condition, then use a standby software program to restart this electronic system.
12. method as claimed in claim 11, wherein, this standby software program is to leave among the independent partitions of this nonvolatile memory or leave in the described electronic system another in independently among the nonvolatile memory.
13. method as claimed in claim 11, wherein, this standby software program is to leave among the movable Storage Media, and this movable Storage Media is a CD-ROM, a flash type storage card or a disk.
14. method as claimed in claim 11, wherein, start-up loading device in this electronic system is to include a network stack or a movable storage device driver, and this network stack is to include a UPnP storehouse, and this standby software program is to leave among this network.
15. method as claimed in claim 9, wherein, this electronic system is an embedded system, and this software program is the system core of this embedded system.
16. a method that is used for upgrading the software program of an electronic system, this method includes:
Use a UPnP communication protocol to look on a network to be used for the new renewal assembly of this software program, wherein, this network is to be connected in this electronic system;
Select a selected assembly that upgrades in the new renewal assembly that comfortable this network finds;
Download and selectedly to upgrade assembly; And
Upgrade this software program with this selected assembly that upgrades,
Wherein, selecting a selected assembly that upgrades in the new renewal assembly that comfortable this network finds comprises:
Notify a user on this network, to find new renewal assembly;
This notifies this user's step to carry out in real time, when having new renewal assembly to be found, notify this user the relevant information of this new renewal assembly in real time, this user selects this selected assembly that upgrades in the new renewal assembly of looking on comfortable this network.
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| CNB200410059347XA CN100469001C (en) | 2004-06-18 | 2004-06-18 | Electronic system and method capable of using general prompt-use communication protocol |
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| CN102253847A (en) * | 2010-05-19 | 2011-11-23 | 宏碁股份有限公司 | System for manufacturing system software and method for deploying system software |
| KR102324263B1 (en) * | 2018-09-12 | 2021-11-08 | 주식회사 엘지에너지솔루션 | Apparatus and method for updating nonvolatile memory |
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