CN108170456B - Firmware upgrading method and device for electronic equipment - Google Patents
Firmware upgrading method and device for electronic equipment Download PDFInfo
- Publication number
- CN108170456B CN108170456B CN201711416703.2A CN201711416703A CN108170456B CN 108170456 B CN108170456 B CN 108170456B CN 201711416703 A CN201711416703 A CN 201711416703A CN 108170456 B CN108170456 B CN 108170456B
- Authority
- CN
- China
- Prior art keywords
- partition
- index
- module
- firmware
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Stored Programmes (AREA)
Abstract
The invention discloses a firmware upgrading method and a device of electronic equipment, wherein a firmware storage chip of the electronic equipment is provided with a module partition, a module backup partition corresponding to the module partition, a first index partition and a second index partition, and the method comprises the following steps: checking the data integrity of the first index partition and the second index partition, and loading and operating the system according to the content of the first index partition when the content of the first index partition and the content of the second index partition are both complete and identical; when the upgrading is determined to be needed, writing the modules needing to be upgraded into the partition corresponding to the current partition according to the partition information described by the first index partition, generating new index information of all the modules after all the modules are successfully written, writing the new index information into the first index partition and the second index partition, and judging that the firmware is successfully upgraded if the writing is successful, and restarting the system. The invention can ensure that the equipment can still work normally when the firmware upgrading fails, and improves the maintainability of the equipment.
Description
Technical Field
The present invention relates to the field of firmware upgrade, and in particular, to a method and an apparatus for upgrading a firmware of an electronic device.
Background
With the continuous development of electronic technology, various embedded devices (such as mobile phones, tablet computers, vehicle-mounted electronic devices, smart home terminals, etc.) are rapidly popularized in various industries, and play an important role in the construction of smart society. In the practical application process, in order to repair the software and hardware bugs and update the product, the firmware of the system needs to be upgraded frequently.
Many current products have a firmware upgrading function, but in the upgrading process, if a user terminates abnormally or encounters abnormal conditions such as power failure, version updating failure can be caused, and equipment works abnormally. In the existing upgrading method, if the upgrading fails, the normal work can not be completely ensured to be continued under the current firmware version.
Disclosure of Invention
The invention provides a firmware upgrading method and device of electronic equipment, which aim to solve the technical problem that the conventional upgrading method cannot completely ensure that the firmware continues to normally work under the current firmware version if the upgrading fails.
The technical scheme adopted by the invention is as follows:
in one aspect, the present invention provides a firmware upgrading method for an electronic device, where a firmware storage chip of the electronic device has a module partition for storing firmware of each module, a module backup partition corresponding to the module partition, and a first index partition and a second index partition for storing index information, the firmware upgrading method comprising the steps of:
step S100, checking the data integrity of the first index partition and the second index partition, and loading and operating a system according to the content of the first index partition when the content of the first index partition and the content of the second index partition are both complete and identical;
step S200, when the upgrading is determined to be needed, writing the module to be upgraded into the partition corresponding to the current partition according to the partition information described by the first index partition, generating new index information of all the modules after the writing of all the modules is successful, writing the new index information into the first index partition and the second index partition, and if the writing is successful, judging that the firmware upgrading is successful, and restarting the system.
Further, step S200 includes:
step S203, identifying the partition information described by the first index partition, and if the partition information of the first index partition indicates that the currently used module partition is the module partition, writing the module to be upgraded into the corresponding module backup partition; and if the partition information of the first index partition indicates that the module backup partition is currently used, writing the module to be upgraded into the corresponding module partition.
Further, step S200 further includes the following steps before step S203:
step S201, obtaining an upgrade file, if the upgrade file is successful, entering step S202, otherwise, judging that the firmware upgrade is failed, and finishing the upgrade;
step S202, comparing the version information of the upgrade file with the version information of the first index partition, determining whether the upgrade is needed, if the version information of the upgrade file is different from the version information of the first index partition, judging that the upgrade is needed, otherwise, judging that the firmware upgrade fails, and ending the upgrade.
Further, step S200 further includes the following steps after step S203:
step S204, generating new index information;
step S205, writing new index information into the first index partition, if the writing is successful, entering step S206, otherwise, judging that the firmware upgrading is failed, and finishing the upgrading;
and step S206, writing the new index information into the second index partition, if the writing is successful, judging that the firmware is upgraded successfully and restarting the system, otherwise, judging that the firmware is upgraded unsuccessfully and finishing the upgrading.
Further, step S100 includes the steps of:
step S101, checking the data integrity of the first index partition, if the data integrity passes, entering step S102, otherwise, entering step S103;
step S102: checking whether the content of the first index partition and the content of the second index partition are completely the same, if so, entering step S108, otherwise, entering step S104;
step S103: checking the data integrity of the second index partition, if the data integrity passes, entering step S105, otherwise, entering step S106;
step S104: copying the content of the first index partition to the second index partition, and entering step S108;
step S105: copying the content of the second index partition to the first index partition, and entering step S108;
step S106: copying default index information to a first index partition;
step S107: copying default index information to a second index partition;
step S108: and loading and running the system according to the content of the first index partition.
Further, step S201 includes: and acquiring the upgrade file through a network or a storage device.
Further, the network includes any one of a wired network, a wireless network, and a mobile communication network; the storage device comprises any one of TF cards and U disks.
According to another aspect of the present invention, there is also provided a firmware upgrading apparatus for upgrading firmware of an electronic device, a firmware storage chip of the electronic device having a module partition for storing firmware of each module, a module backup partition corresponding to the module partition, and a first index partition and a second index partition for storing index information, the firmware upgrading apparatus comprising: the system starting module is used for checking the data integrity of the first index partition and the second index partition, and loading and operating the system according to the content of the first index partition when the content of the first index partition and the content of the second index partition are both complete and identical; and the firmware upgrading module is used for writing the module to be upgraded into the partition corresponding to the current partition according to the partition information described by the first index partition when the upgrading is determined to be needed, generating new index information after the writing is successful, writing the new index information into the first index partition and the second index partition, and judging that the upgrading of the firmware is successful if the writing is successful, and restarting the system.
Further, the firmware upgrade module includes: the system comprises an identification unit used for identifying the partition information described by the first index partition, an upgrade programming unit used for writing the module needing to be upgraded into the corresponding module backup partition when the partition information of the first index partition indicates that the module partition is currently used, and writing the module needing to be upgraded into the corresponding module partition when the partition information of the first index partition indicates that the module backup partition is currently used.
Further, the firmware upgrade module includes: the acquisition unit is used for acquiring the upgrade file; the comparison unit is used for comparing the version information of the upgrade file with the version information of the first index partition; and the judging unit is used for judging whether the updating is needed according to the comparison result of the comparison module, if the version information of the updating file is different from the version information of the first index partition, the updating is judged to be needed, and if not, the firmware updating is judged to fail.
According to the firmware upgrading method and device of the electronic equipment, the storage of each module is divided into two corresponding partitions, namely the module partition and the module backup partition, and the storage of the index information also comprises the two partitions, namely the first index partition and the second index partition, so that the integrity of the index information and the reliable operation of the upgrading process are ensured; when upgrading, the module to be upgraded is written into the partition corresponding to the current partition, so that the information of the current module is not covered, the current firmware version is still completely stored when the writing of the upgraded module fails, the equipment can be reliably ensured to still work normally when the upgrading of the firmware fails, the maintainability of the equipment is greatly improved, and the satisfaction degree of a user is greatly improved.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a firmware upgrade method for an electronic device in accordance with a preferred embodiment of the present invention;
FIG. 2 is a firmware partition layout diagram of the preferred embodiment of the present invention;
FIG. 3 is a diagram of index partition information in accordance with a preferred embodiment of the present invention;
FIG. 4 is a flow chart of system startup of the preferred embodiment of the present invention;
FIG. 5 is a flow chart of a firmware upgrade of the preferred embodiment of the present invention;
fig. 6 is a block diagram of a firmware upgrading apparatus according to a preferred embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, a preferred embodiment of the present invention provides a firmware upgrade method for an electronic device having a module partition for storing firmware of each module and a module backup partition corresponding to the module partition in a firmware storage chip of the electronic device, and a first index partition and a second index partition for storing index information. The firmware upgrading method comprises the following steps:
step S100, starting a system: and checking the data integrity of the first index partition and the second index partition, and loading and running the system according to the content of the first index partition when the content of the first index partition and the content of the second index partition are both complete and identical.
Step S200, firmware upgrading: when the upgrading is determined to be needed, writing the modules needing to be upgraded into the partition corresponding to the current partition according to the partition information described by the first index partition, generating new index information of all the modules after all the modules are successfully written, writing the new index information into the first index partition and the second index partition, and judging that the firmware is successfully upgraded if the writing is successful, and restarting the system.
In the present invention, the firmware partition layout is as shown in FIG. 2. The firmware partition comprises boot codes, a plurality of module partitions, corresponding module backup partitions, a first index partition and a second index partition corresponding to each module partition and each module backup partition, and the like. The data composition of each index partition is as shown in fig. 3, wherein each module corresponds to a storage value of 0 or 1 in the index partition, and when the storage value is 0, it indicates that the current module uses the module partition, and when the storage value is 1, it indicates that the current module uses the module backup partition. For example, a module corresponding to a store of 0 indicates that the module a partition is used, and a module corresponding to a store of 1 indicates that the module a backup partition is used. The 2 nd last bit in the index partition information represents version information. And the last bit in the index partition information is a check code used for finishing data integrity check.
The firmware upgrading method of the present invention may also include a pre-program writing step before the system is started in step S100: and brushing the firmware of each module into a module partition and a module backup partition corresponding to the module partition in the firmware storage chip, and writing the index information into the first index partition and the second index partition.
The step of pre-programming may be performed before the firmware memory chip is produced and shipped out. Specifically, the steps include: the firmware of the module A is flushed into the module A partition and the module A backup partition, the firmware of the module B is flushed into the module B partition and the module B backup partition, … … the firmware of the module X is flushed into the module X partition and the module X backup partition, and the index information is respectively written into the first index partition and the second index partition, so that the backup of each module is realized in advance.
Referring to fig. 4, as a preferred embodiment of the present invention, the process of starting the system in step S100 specifically includes the following steps:
step S101, checking the data integrity of the first index partition, and if the data integrity passes, entering step S102, otherwise, entering step S103.
Step S102: checking whether the content of the first index partition and the content of the second index partition are identical, if so, entering step S108, otherwise, entering step S104.
Step S103: checking the data integrity of the second index partition, and if the data integrity passes, entering step S105, otherwise, entering step S106.
Step S104: the content of the first index partition is copied to the second index partition, and the process proceeds to step S108.
Step S105: the content of the second index partition is copied to the first index partition, and the process proceeds to step S108.
Step S106: the default index information is copied to the first index partition. The default index information may be the index information generated when the pre-programming is performed initially, or the index information stored successfully in the last upgrade.
Step S107: the default index information is copied to the second index partition.
Step S108: and loading and running the system according to the content of the first index partition.
Step S200 of firmware upgrade must be executed after step S100 of system start-up.
Referring to fig. 5, as a preferred embodiment of the present invention, the firmware upgrading process in step S200 specifically includes the following steps:
step S201, obtaining the upgrade file, if successful, entering step S202, otherwise, entering step S207. In this step, the upgrade file may be acquired through a network or a storage device. More specifically, the network includes any one of a wired network, a wireless network, and a mobile communication network; the storage device comprises any one of TF cards and U disks.
Step S202, comparing the version information of the upgrade file with the version information of the first index partition, determining whether the upgrade is needed, if the version information of the upgrade file is different from the version information of the first index partition, judging that the upgrade is needed, and entering step S203, otherwise, entering step S207.
Step S203, identifying the partition information described by the first index partition,
if the partition information of the first index partition indicates that the module partition is currently used, writing the module to be upgraded into the corresponding module backup partition; if the partition information of the first index partition indicates that the module backup partition is currently used, writing the module to be upgraded into the corresponding module partition;
and if the module needing to be upgraded is successfully written, the step S204 is carried out, otherwise, the step S207 is carried out.
In step S204, new index information is generated.
Step S205, writing the new index information into the first index partition, if the writing is successful, step S206 is performed, otherwise step S207 is performed.
Step S206, writing the new index information into the second index partition, if the writing is successful, step S208 is performed, otherwise step S207 is performed.
In step S207, the firmware upgrade fails, and the process advances to step S209.
And step S208, successfully upgrading the firmware and restarting the system.
In step S209, the firmware upgrade is ended.
According to another aspect of the present invention, a firmware upgrading apparatus is further provided for upgrading a firmware of an electronic device. The firmware storage chip of the electronic device is provided with a module partition used for storing the firmware of each module, a module backup partition corresponding to the module partition, a first index partition and a second index partition used for storing index information. Referring to fig. 6, the firmware upgrade apparatus includes: the system starting module 100 is configured to check data integrity of the first index partition and the second index partition, and load and run a system according to content of the first index partition when the content of the first index partition and the content of the second index partition are both complete and identical; and the firmware upgrading module 200 is configured to, when it is determined that upgrading is required, write the module required to be upgraded into the partition corresponding to the current partition according to the partition information described by the first index partition, generate new index information after the writing is successful, write the new index information into the first index partition and the second index partition, and determine that the upgrading of the firmware is successful if the writing is successful, and restart the system.
Further, the firmware upgrade module 200 includes: the system comprises an identification unit 201 for identifying the partition information described by the first index partition, an upgrade writing unit 202 for writing the module to be upgraded into the corresponding module backup partition when the partition information of the first index partition indicates that the module partition is currently used, and writing the module to be upgraded into the corresponding module partition when the partition information of the first index partition indicates that the module backup partition is currently used.
Further, the firmware upgrade module 200 includes: an obtaining unit 203, configured to obtain an upgrade file; a comparing unit 204, configured to compare version information of the upgrade file with version information of the first index partition; and the judging unit 205 is configured to judge whether upgrading is required according to the comparison result of the comparison module, judge that upgrading is required if the version information of the upgrade file is different from the version information of the first index partition, and otherwise judge that firmware upgrading fails.
According to the firmware upgrading method and device of the electronic equipment, the storage of each module is divided into two corresponding partitions, namely the module partition and the module backup partition, and the storage of the index information also comprises the two partitions, namely the first index partition and the second index partition, so that the integrity of the index information and the reliable operation of the upgrading process are ensured; when upgrading, the module to be upgraded is written into the partition corresponding to the current partition, so that the information of the current module is not covered, the current firmware version is still completely stored when the writing of the upgraded module fails, the equipment can be reliably ensured to still work normally when the upgrading of the firmware fails, the maintainability of the equipment is greatly improved, and the satisfaction degree of a user is greatly improved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A firmware upgrading method of an electronic device, wherein a firmware storage chip of the electronic device is provided with a module partition for storing firmware of each module, a module backup partition corresponding to the module partition, and a first index partition and a second index partition for storing index information, and is characterized in that data composition of each index partition comprises a storage value corresponding to each module, firmware version information and a check code for completing data integrity check, the storage value is 0 or 1, when the storage value is 0, the storage value indicates that a module partition is used by a current module, and when the storage value is 1, the storage value indicates that the module backup partition is used by the current module, the firmware upgrading method comprises the following steps:
step S100, checking the data integrity of the first index partition and the second index partition, and when the contents of the first index partition and the second index partition are complete and the contents are completely the same, loading and running a system according to the contents of the first index partition;
step S200, when the upgrading is determined to be needed, writing the module to be upgraded into the partition corresponding to the current partition according to the partition information described by the first index partition, generating new index information of all the modules after the writing of all the modules is successful, writing the new index information into the first index partition and the second index partition, and judging that the upgrading of the firmware is successful if the writing is successful, and restarting the system;
the step S200 includes:
step S203, identifying the partition information described by the first index partition,
if the partition information of the first index partition indicates that the module partition is currently used, writing the module to be upgraded into the corresponding module backup partition; and if the partition information of the first index partition indicates that the module backup partition is currently used, writing the module to be upgraded into the corresponding module partition.
2. The method for upgrading firmware of electronic equipment according to claim 1, wherein the step S200 further comprises the following steps before the step S203:
step S201, obtaining an upgrade file, if the upgrade file is successful, entering step S202, otherwise, judging that the firmware upgrade is failed, and finishing the upgrade;
step S202, comparing the version information of the upgrade file with the version information of the first index partition, determining whether the upgrade is needed, if the version information of the upgrade file is different from the version information of the first index partition, determining that the upgrade is needed, otherwise, determining that the firmware upgrade fails, and ending the upgrade.
3. The firmware upgrading method of the electronic device according to claim 1, wherein the step S200 further comprises the following steps after the step S203:
step S204, generating new index information;
step S205, writing new index information into the first index partition, if the writing is successful, entering step S206, otherwise, judging that the firmware upgrading is failed, and finishing the upgrading;
and step S206, writing new index information into the second index partition, if the writing is successful, judging that the firmware is upgraded successfully and restarting the system, otherwise, judging that the firmware is upgraded unsuccessfully and finishing the upgrading.
4. The firmware upgrade method of an electronic device according to claim 1, wherein the step S100 comprises the steps of:
step S101, checking the data integrity of the first index partition, if the data integrity passes, entering step S102, otherwise, entering step S103;
step S102: checking whether the content of the first index partition and the content of the second index partition are completely the same, if so, entering a step S108, otherwise, entering a step S104;
step S103: checking the data integrity of the second index partition, if the data integrity passes, entering a step S105, otherwise, entering a step S106;
step S104: copying the content of the first index partition to the second index partition, and entering step S108;
step S105: copying the content of the second index partition to the first index partition, and entering step S108;
step S106: copying default index information to the first index partition;
step S107: copying default index information to the second index partition;
step S108: and loading and operating the system according to the content of the first index partition.
5. The firmware upgrade method of an electronic device according to claim 2, wherein the step S201 includes:
and acquiring the upgrade file through a network or a storage device.
6. The firmware upgrade method of an electronic device according to claim 5,
the network comprises any one of a wired network, a wireless network and a mobile communication network;
the storage device comprises any one of a TF card and a U disk.
7. A firmware upgrading apparatus for upgrading firmware of an electronic device, a firmware storage chip of the electronic device having a module partition for storing firmware of each module, a module backup partition corresponding to the module partition, and a first index partition and a second index partition for storing index information, the firmware upgrading apparatus comprising:
the system starting module (100) is used for checking the data integrity of the first index partition and the second index partition, and when the contents of the first index partition and the second index partition are complete and the contents are completely the same, loading and running a system according to the contents of the first index partition;
the firmware upgrading module (200) is used for writing the module to be upgraded into a partition corresponding to the current partition according to partition information described by the first index partition when the upgrading is determined to be needed, generating new index information after the writing is successful, writing the new index information into the first index partition and the second index partition, and judging that the upgrading of the firmware is successful if the writing is successful, and restarting the system;
the firmware upgrade module (200) comprises:
an identifying unit (201) for identifying partition information described by the first index partition,
and the upgrading programming unit (202) is used for writing the module needing to be upgraded into the corresponding module backup partition when the partition information of the first index partition indicates that the module partition is currently used, and writing the module needing to be upgraded into the corresponding module partition when the partition information of the first index partition indicates that the module backup partition is currently used.
8. The firmware upgrade apparatus according to claim 7, wherein the firmware upgrade module (200) comprises:
an acquisition unit (203) for acquiring an upgrade file;
a comparing unit (204) for comparing the version information of the upgrade file with the version information of the first index partition;
and the judging unit (205) is used for judging whether upgrading is needed according to the comparison result of the comparing unit (204), if the version information of the upgrading file is different from that of the first index partition, the upgrading is needed, and otherwise, the firmware upgrading is failed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711416703.2A CN108170456B (en) | 2017-12-25 | 2017-12-25 | Firmware upgrading method and device for electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711416703.2A CN108170456B (en) | 2017-12-25 | 2017-12-25 | Firmware upgrading method and device for electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108170456A CN108170456A (en) | 2018-06-15 |
| CN108170456B true CN108170456B (en) | 2020-09-08 |
Family
ID=62520192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711416703.2A Active CN108170456B (en) | 2017-12-25 | 2017-12-25 | Firmware upgrading method and device for electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108170456B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111522571B (en) * | 2020-03-12 | 2024-02-09 | 深圳英飞拓仁用信息有限公司 | Equipment upgrading method and device, terminal equipment and storage medium |
| CN114650208B (en) * | 2020-12-18 | 2023-08-22 | 华为技术有限公司 | Device firmware upgrading method, device and medium |
| CN112860291B (en) * | 2021-02-08 | 2023-05-12 | 杭州涂鸦信息技术有限公司 | Firmware upgrading method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681871A (en) * | 2012-04-25 | 2012-09-19 | 广州致远电子股份有限公司 | Firmware upgrading system based on communication interfaces |
| CN104111937A (en) * | 2013-04-18 | 2014-10-22 | 中兴通讯股份有限公司 | Master database standby database and data consistency testing and repairing method and device of master database and standby database |
| US8875121B2 (en) * | 2012-11-06 | 2014-10-28 | Nvidia Corporation | Framework for multi-type and multi-location firmware updates and hardware feature updates through a single interface protocol |
| CN104375844A (en) * | 2013-08-12 | 2015-02-25 | 中兴通讯股份有限公司 | Firmware upgrading method and device |
| CN106802813A (en) * | 2016-12-06 | 2017-06-06 | 智车优行科技（北京）有限公司 | Method, device and vehicle for aerial firmware upgrade |
-
2017
- 2017-12-25 CN CN201711416703.2A patent/CN108170456B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681871A (en) * | 2012-04-25 | 2012-09-19 | 广州致远电子股份有限公司 | Firmware upgrading system based on communication interfaces |
| US8875121B2 (en) * | 2012-11-06 | 2014-10-28 | Nvidia Corporation | Framework for multi-type and multi-location firmware updates and hardware feature updates through a single interface protocol |
| CN104111937A (en) * | 2013-04-18 | 2014-10-22 | 中兴通讯股份有限公司 | Master database standby database and data consistency testing and repairing method and device of master database and standby database |
| CN104375844A (en) * | 2013-08-12 | 2015-02-25 | 中兴通讯股份有限公司 | Firmware upgrading method and device |
| CN106802813A (en) * | 2016-12-06 | 2017-06-06 | 智车优行科技（北京）有限公司 | Method, device and vehicle for aerial firmware upgrade |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108170456A (en) | 2018-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103299276B (en) | The software upgrading process of embedded equipment | |
| CN105094927B (en) | A kind of device firmware upgrade method and apparatus | |
| US20070055969A1 (en) | System and method for updating firmware | |
| CN108170456B (en) | Firmware upgrading method and device for electronic equipment | |
| CN101923473B (en) | Embedded electronic device and method for updating firmware thereof | |
| CN111813428A (en) | Method and device for upgrading terminal firmware, electronic equipment and storage medium | |
| CN105468384A (en) | Vehicle-mounted controller programming system and method, server and programming terminal | |
| CN109582332B (en) | System upgrading method and device for Internet camera | |
| CN110781026A (en) | Embedded equipment data storage and repair method and device and embedded equipment | |
| CN105677409A (en) | System upgrading method and device | |
| CN113656049B (en) | Operating system deployment method and device, electronic equipment and storage medium | |
| CN111124294B (en) | Sector mapping information management method and device, storage medium and equipment | |
| CN113032183A (en) | System management method, device, computer equipment and storage medium | |
| CN111552592A (en) | Double-backup starting method and system | |
| CN115951920A (en) | Mobile equipment upgrading method and device, storage unit and mobile equipment | |
| CN110008059B (en) | Data updating method and device for nonvolatile storage medium and storage medium | |
| CN113778485A (en) | System operation method and device of electronic chip, electronic chip and storage medium | |
| CN114780152A (en) | Computing equipment starting method and device | |
| CN113885926A (en) | Operating system online upgrading method based on security chip | |
| CN110442387B (en) | Parameter self-adaption method and device of vehicle-mounted system and vehicle | |
| CN113190244A (en) | Method and device for upgrading wireless module, computer equipment and storage medium | |
| CN112667444A (en) | System upgrading method, storage medium and terminal equipment | |
| CN104216797A (en) | Embedded system set value setting system and method and electronic device | |
| CN111813597A (en) | Air conditioner | |
| EP4145271A1 (en) | Methods and terminal for updating converted applet file, and java card device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |