CN101106773A - Method for parameter keeping after software upgrade of wireless access fixing station - Google Patents
Method for parameter keeping after software upgrade of wireless access fixing station Download PDFInfo
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- CN101106773A CN101106773A CNA2006101032359A CN200610103235A CN101106773A CN 101106773 A CN101106773 A CN 101106773A CN A2006101032359 A CNA2006101032359 A CN A2006101032359A CN 200610103235 A CN200610103235 A CN 200610103235A CN 101106773 A CN101106773 A CN 101106773A
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Abstract
The invention discloses a method for maintaining parameters of updated wireless accessed fixed station software includes the following steps: dividing a memory area into a first part and a second part in which the second part is used as a cache for backup parameters; copying the parameters from the first part to the second part when a download command is received, and storing the electric serial number in the second part; updating the soft ware by cleaning memory in the first part and maintaining memory in the second part; restarting after the software is updated, and recovering the parameters from the second part to the first part. By arranging the second part and using the second part as a cache, the invention solves the problem of lost of parameters (ESN,AKEY,SSD_A,SSD_B) after the software is updated. Thus, the second part can be used as a safe and reliable parameters transferring station during update of the software, which ensures no change of the parameters after the software is updated and exhibits convenience during application by users.
Description
Technical field
The present invention relates to a kind of wireless communication technique, specifically, relate to the method that parameter keeps behind a kind of software upgrade of wireless access fixing station.
Background technology
" wireless access fixed station " (hereinafter to be referred as fixed station) claims Personal Handyphone System(PHS) again, it is a kind of wireless access terminal, outward appearance is similar with ordinary telephone set, but adopt CDMA or GSM wireless access ways such as (Global System forMobile communications), can in the wireless network coverage, move use arbitrarily, answer, dial local whenever and wherever possible and domestic, overseas call.CDMA originates from the U.S. of the eighties in 20th century, it adopts code division multiple access to distinguish different users, develop very fastly in the U.S. and Korea S area, also have very large number of users, become the practical application technology of 3-G (Generation Three mobile communication system) in China.
Some parameter in the fixed station, as Electronic Serial Number (Electronic Serial Number, ESN) etc. after dispatching from the factory, need constant forever, some parameter such as KI (Authentication Key also, AKEY), share private data (Shared Secrete Data, requirements such as SSD_A SSD), SSD_B remain unchanged after software upgrading, could not need to distribute telephone numbers after the software upgrading like this and just can get through.
But often these parameters are not suitable for backuping to the PC side when software upgrading, thereby reduce, for example, following parameters AKEY, SSD_A, SSD_B can not backup to the PC side, because these parameters are extremely important, back up easily to be detected in the PC side, cause confidentiality to descend by the serial ports monitoring tool, after the upgrading failure with parameter (for example: ESN) lose.Therefore how to make parameter after software upgrading, keep becoming very distinct issues.The problem of above-mentioned existence is given after sale, operator and user bring very big inconvenience.
Summary of the invention
Technical problem solved by the invention provides the method that parameter keeps behind a kind of software upgrade of wireless access fixing station, loses problem with parameter after solving same end product software upgrading, so as to give after sale, operator or user provide software upgrading flexibly.
Technical scheme is as follows:
The method that parameter keeps behind the software upgrade of wireless access fixing station comprises the steps:
(1) divide storage area, the storage area after the division comprises first and second portion, and described second portion is as the buffer area of backup parameter;
(2) when receiving download instruction, parameter is backuped to second portion from first, wherein second portion stores Electronic Serial Number;
(3) carry out software upgrading, wipe the content of first, keep the content of second portion;
(4) start once more after the software upgrading, parameter reverts to first from second portion.
Further, in the step (1), the division of storage area realizes by store driver.
Further, in the step (1), the space of first is greater than the space of second portion.
Further, it is characterized in that, in the step (1), when software normally moves, the read-write of parameter is carried out in first; The backup zone of second portion parameter during as software upgrading.
Further, the regional extent of the division of second portion described in the step (1) is 0～16KB.
Further, step (2) is specially: when fixed station software receives that the PC side is downloaded the download instruction that software sends, carry out parameter backup, the parameter backup in the first in second portion.
Further, second portion also stores KI and shared private data described in the step (2).
Further, step (3) further comprises: the PC side software provides the size that needs erase area, realizes that the parameter of second portion backup is not carried out erase operation, guarantees that the parameter of second portion backup is not lost.
Further, step (1) further comprises, parameter is encrypted and checking treatment when first backups to second portion; Step (4) further comprises, during the parameter reduction, deciphers accordingly and checking treatment.
Further, step (4) is specially, and download finishes, and during opening initialization, judges whether the Electronic Serial Number in first's content exists again, when described Electronic Serial Number does not exist, the parameter that backs up in the second portion is reverted in the first; When described Electronic Serial Number exists, normal boot-strap.。
The present invention is by being provided with second portion, and with second portion as buffer memory, solved the problem that parameter after software upgrading (ESN, AKEY, SSD_A, SSD_B) is lost.Like this, second portion safety and parameter terminal reliably when can be used as software upgrading, guaranteed software upgrading after parameter remain unchanged, brought facility for user's use.
Because the method for the invention and technology have bigger versatility, all can carry out software upgrading at the GSM that wireless access function is provided, PHS, WCDMA, TD-SCDMA, the single mode/multi-mode wireless product that accesses terminal, and upgrading back software parameter remains unchanged with the present invention.Therefore, the present invention is user-friendly to, and is applied widely, also simple.
Description of drawings
Fig. 1 is a Flash dividing region schematic diagram;
Fig. 2 backups to the second portion schematic diagram for parameter from first;
Fig. 3 reverts to first's schematic diagram for parameter from second portion.
Embodiment
Flash memory (FLASH) is to load the fixed station program, deposit user profile, deposit the carrier of fixed station running parameter.The employed storage resources of fixed station terminal can be divided into three kinds: Flash ROM, RAM in external Flash storage card, the machine.
FLASH of the present invention zone is Flash ROM in the fixed station.
With reference to the accompanying drawings the preferred embodiments of the present invention are retouched in detail.
As shown in Figure 1, the entire flash zone platform software that is fixed is divided into two of first and second portions.First is used to deposit information such as fixed station program, user profile, fixed station running parameter, and second portion is as the buffer area of backup parameter.The Flash area dividing realizes that by the Flash driver first is big more a lot of than second portion.Originally select among the embodiment, in the Flash of a 4MB, second portion only accounts for last 8KB.When software normally moves, the read-write of parameter is all carried out in first; And a backup zone of second portion parameter during only as software upgrading.Certainly, in this preferred embodiment, the shared space of second portion also can be set to 16KB.
As shown in Figures 2 and 3, the method that parameter keeps behind the software upgrade of wireless access fixing station comprises several steps down:
Step 1: fixed station software is divided into first and second portion to the entire flash zone.
The Flash area dividing realizes that by the Flash driver first is big more a lot of than second portion.In this preferred embodiment, when the memory space of Flash was 4MB, second portion only accounted for the last 8KB of this Flash.When software normally moves, the read-write of parameter is all carried out in first, and a backup zone of second portion parameter during only as software upgrading.
Step 2: carry out parameter backup.
When fixed station software receives that the PC side is downloaded the download instruction download that software sends, carry out parameter backup, the parameter backup in the first in second portion.Simultaneously parameter when backuping to second portion, first is encrypted and checking treatment.
First stores parameters such as ESN, AKEY, SSD_A, SSD_B.Parameters such as AKEY, SSD_A, SSD_B can not backup to the PC side, because these parameters are extremely important, back up to be detected by the serial ports monitoring tool easily in the PC side, cause confidentiality to descend.
Step 3: carry out software upgrading.
In the process that downloads, second portion does not carry out erase operation, only wipes first.
Second portion does not carry out erase operation and guarantees by PC side download software, provide the size that needs erase area by the PC side software, thereby the parameter that can realize the second portion backup is not lost.
Step 4: parameter reverts to first from second portion.
Program is downloaded and is finished, when the user opens fixed station again, judge during opening initialization whether the ESN value in the current first is zero, if be zero, just the parameter that backs up in the second portion is reverted in the first, the parameter reduction need be deciphered and checking treatment accordingly; If non-vanishing, then be the normal boot-strap situation.
Second portion safety and parameter terminal reliably when can be used as software upgrading like this, guaranteed software upgrading after parameter remain unchanged, brought facility for user's use.
Claims (10)
1. the method that parameter keeps behind the software upgrade of wireless access fixing station is characterized in that, comprises the steps:
(1) divide storage area, the storage area after the division comprises first and second portion, and described second portion is as the buffer area of backup parameter;
(2) when receiving download instruction, parameter is backuped to second portion from first, wherein second portion stores Electronic Serial Number;
(3) carry out software upgrading, wipe the content of first, keep the content of second portion;
(4) start once more after the software upgrading, parameter reverts to first from second portion.
2. the method that parameter keeps behind the software upgrade of wireless access fixing station according to claim 1 is characterized in that in the step (1), the division of storage area realizes by store driver.
3. the method that parameter keeps behind the software upgrade of wireless access fixing station according to claim 1 is characterized in that in the step (1), the space of first is greater than the space of second portion.
4. the method that keeps according to parameter behind each described software upgrade of wireless access fixing station of claim 1 to 3 is characterized in that, in the step (1), when software normally moves, the read-write of parameter is carried out in first; The backup zone of second portion parameter during as software upgrading.
5. the method that parameter keeps behind the software upgrade of wireless access fixing station according to claim 4 is characterized in that, the regional extent that second portion described in the step (1) is divided is 0～16kB.
6. the method that parameter keeps behind the software upgrade of wireless access fixing station according to claim 1, it is characterized in that, step (2) is specially: when fixed station software receives that the PC side is downloaded the download instruction that software sends, carry out parameter backup, the parameter backup in the first in second portion.
7. the method that parameter keeps behind the software upgrade of wireless access fixing station according to claim 1 is characterized in that second portion also stores KI and shared private data described in the step (2).
8. the method that parameter keeps behind the software upgrade of wireless access fixing station according to claim 1, it is characterized in that, step (3) further comprises: the PC side software provides the size that needs erase area, the parameter of realization second portion backup is not carried out erase operation, guarantees that the parameter of second portion backup is not lost.
9. the method that parameter keeps behind the software upgrade of wireless access fixing station according to claim 1 is characterized in that step (1) further comprises, parameter is encrypted and checking treatment when first backups to second portion; Step (4) further comprises, during the parameter reduction, deciphers accordingly and checking treatment.
10. the method that parameter keeps behind the software upgrade of wireless access fixing station according to claim 1, it is characterized in that, step (4) is specially, download finishes, again during opening initialization, judge that whether the Electronic Serial Number in first's content exists, and when described Electronic Serial Number does not exist, reverts to the parameter that backs up in the second portion in the first; When described Electronic Serial Number exists, normal boot-strap.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006101032359A CN101106773A (en) | 2006-07-14 | 2006-07-14 | Method for parameter keeping after software upgrade of wireless access fixing station |
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| CNA2006101032359A CN101106773A (en) | 2006-07-14 | 2006-07-14 | Method for parameter keeping after software upgrade of wireless access fixing station |
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| CN101106773A true CN101106773A (en) | 2008-01-16 |
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Cited By (7)
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| CN101924607A (en) * | 2010-08-27 | 2010-12-22 | 华为终端有限公司 | Firmware processing method based on firmware air transmission technology, device and system thereof |
| CN102135894A (en) * | 2010-10-13 | 2011-07-27 | 华为技术有限公司 | Multi-core online patching method and device |
| CN102360299A (en) * | 2011-09-30 | 2012-02-22 | 奇智软件（北京）有限公司 | Software system resetting method, server and client |
| CN102360298A (en) * | 2011-09-27 | 2012-02-22 | 青岛海信电器股份有限公司 | Software upgrading method of terminal equipment |
| CN104461648A (en) * | 2014-12-22 | 2015-03-25 | 广东欧珀移动通信有限公司 | OTA upgrade backing-up method and system for intelligent terminals |
| CN104951315A (en) * | 2014-03-25 | 2015-09-30 | 上海三旗通信科技股份有限公司 | Rapid updating and downloading method for mobile software |
| CN106066806A (en) * | 2016-06-06 | 2016-11-02 | Tcl移动通信科技（宁波）有限公司 | A kind of mobile terminal software update method and system |
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| WO2012024963A1 (en) * | 2010-08-27 | 2012-03-01 | 华为终端有限公司 | Method, apparatus and system for processing firmware based on firmware over the air technology |
| CN101924607A (en) * | 2010-08-27 | 2010-12-22 | 华为终端有限公司 | Firmware processing method based on firmware air transmission technology, device and system thereof |
| US8910139B2 (en) | 2010-08-27 | 2014-12-09 | Huawei Device Co., Ltd. | Method for processing firmware based on firmware over the air technology, apparatus, and system |
| CN101924607B (en) * | 2010-08-27 | 2013-01-23 | 华为终端有限公司 | Firmware processing method based on firmware air transmission technology, device and system thereof |
| US9430399B2 (en) | 2010-10-13 | 2016-08-30 | Huawei Technologies Co., Ltd. | Multi-core online patching method and apparatus |
| CN102135894B (en) * | 2010-10-13 | 2015-11-25 | 华为技术有限公司 | A kind of online patch method of multinuclear and device |
| CN102135894A (en) * | 2010-10-13 | 2011-07-27 | 华为技术有限公司 | Multi-core online patching method and device |
| CN102360298A (en) * | 2011-09-27 | 2012-02-22 | 青岛海信电器股份有限公司 | Software upgrading method of terminal equipment |
| CN102360298B (en) * | 2011-09-27 | 2014-04-16 | 青岛海信电器股份有限公司 | Software upgrading method of terminal equipment |
| CN102360299A (en) * | 2011-09-30 | 2012-02-22 | 奇智软件（北京）有限公司 | Software system resetting method, server and client |
| CN102360299B (en) * | 2011-09-30 | 2015-08-26 | 奇智软件（北京）有限公司 | Software system resetting method, server and client |
| CN104951315A (en) * | 2014-03-25 | 2015-09-30 | 上海三旗通信科技股份有限公司 | Rapid updating and downloading method for mobile software |
| CN104461648A (en) * | 2014-12-22 | 2015-03-25 | 广东欧珀移动通信有限公司 | OTA upgrade backing-up method and system for intelligent terminals |
| CN104461648B (en) * | 2014-12-22 | 2017-10-31 | 广东欧珀移动通信有限公司 | A kind of method and system of intelligent terminal OTA upgradings backup |
| CN106066806A (en) * | 2016-06-06 | 2016-11-02 | Tcl移动通信科技（宁波）有限公司 | A kind of mobile terminal software update method and system |
| CN106066806B (en) * | 2016-06-06 | 2020-06-09 | Tcl移动通信科技（宁波）有限公司 | Mobile terminal software updating method and system |
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Open date: 20080116 |