CN103294573B - A kind of intelligent terminal and data back up method thereof - Google Patents
A kind of intelligent terminal and data back up method thereof Download PDFInfo
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Abstract
The invention discloses a kind of intelligent terminal and data back up method thereof.The method comprises: the internal storage data of intelligent terminal and tune-up data are saved as file; The internal storage data and tune-up data that save as file are copied in target storage device; The described file copied in described target storage device is verified, to judge that whether backup is successful.Verify the file preserving internal storage data and tune-up data, verify than to the content of internal storage data and tune-up data, its checking time greatly reduces, thus improves the speed of data backup.And the backup mode that the embodiment of the present invention provides does not need to tear intelligent terminal open machine, its implementation is simple, realizes cost low.
Description
Technical Field
The invention relates to the technical field of data processing of intelligent terminals, in particular to an intelligent terminal and a data backup method thereof.
Background
The intelligent terminal is poor in stability and easy to crash. At present, backup of memory data and debug data can be realized by a joint test action group (JTAG backup mode), but this implementation mode needs to disassemble an intelligent terminal and needs to use a trace debugger, which has high implementation cost and complex and inconvenient implementation mode.
The memory data and the debugging data can be backed up in a Universal Serial Bus (USB) backup mode, but the backup speed is slow because the backup mode usually needs 30-40 minutes.
Disclosure of Invention
The invention aims to provide an intelligent terminal and a data backup method thereof, and aims to solve the problems of high implementation cost, complex implementation mode and low backup speed of data backup of the intelligent terminal.
The purpose of the invention is realized by the following technical scheme:
a data backup method of an intelligent terminal comprises the following steps:
storing the memory data and the debugging data of the intelligent terminal as files;
copying the memory data and debugging data saved as files to the target storage device;
and checking the file copied to the target storage device to judge whether the backup is successful.
An intelligent terminal, comprising:
the file saving module is used for saving the memory data and the debugging data of the intelligent terminal as files in a safe downloading mode;
the data backup module is used for copying the memory data and the debugging data which are stored as files into the target storage equipment;
and the file checking module is used for checking the file copied to the target storage device so as to judge whether the backup is successful.
The existing data backup methods are all to directly read the content of a storage space storing data to be backed up and copy the read content. Then, during the verification, the data to be backed up is verified to determine whether the backup is successful. In the embodiment of the invention, the memory data and the debugging data to be backed up are firstly saved as files, the memory data and the debugging data saved as files are copied into the target storage device, and whether the backup is successful or not is judged by checking the files. The files with the memory data and the debugging data can be checked by adopting file checking modes such as MD2, MD5 and the like, and compared with the modes such as parity check, cyclic redundancy check and the like which are adopted for checking the contents of the memory data and the debugging data, the checking time is greatly reduced, so that the data backup speed is improved. In addition, the backup mode provided by the embodiment of the invention does not need to disassemble the intelligent terminal, and the implementation mode is simple and the implementation cost is low.
Drawings
FIG. 1 is a flow chart of a first method provided by an embodiment of the present invention;
FIG. 2 is a flow chart of a second method provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first intelligent terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second intelligent terminal according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a third intelligent terminal according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a fourth intelligent terminal according to an embodiment of the present invention.
Detailed Description
The existing data backup methods are all to directly read the content of a storage space storing data to be backed up and copy the read content. Then, during the verification, the data to be backed up is verified to determine whether the backup is successful. In the embodiment of the invention, the memory data and the debugging data to be backed up are firstly saved as files, the memory data and the debugging data saved as files are copied into the target storage device, and whether the backup is successful or not is judged by checking the files. The files with the memory data and the debugging data can be checked by adopting file checking modes such as MD2, MD5 and the like, and compared with the modes such as parity check, cyclic redundancy check and the like which are adopted for checking the contents of the memory data and the debugging data, the checking time is greatly reduced, so that the data backup speed is improved. In addition, the backup mode provided by the embodiment of the invention does not need to disassemble the intelligent terminal, and the implementation mode is simple and the implementation cost is low.
The technical solutions provided by the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The data backup method of the intelligent terminal provided by the embodiment of the invention is shown in fig. 1, and specifically comprises the following operations:
step 100, storing the memory data and the debugging data of the intelligent terminal as files.
And step 110, copying the memory data and the debugging data saved as the files to a target storage device.
Step 120, checking the file copied to the target storage device to determine whether the backup is successful.
The memory data and the debug data may be, but are not limited to, saved as a file with a suffix name of ". bin". Of course, the memory data and debug data may also be saved as files with suffix names ". doc" or ". txt" or the like.
There are various implementation ways for checking the file copied to the target storage device to determine whether the backup is successful. For example, the files are checked by MD2 and MD5, if the check is correct, the backup is successful, otherwise, the backup fails.
The technical scheme provided by the embodiment of the invention is particularly suitable for the testing stage before the intelligent terminal leaves the factory. After the intelligent terminal is halted, backups of the memory data and the debugging data are performed by restarting and entering a safe download (software download) mode, and the memory data can be analyzed and the problem can be solved by using the debugging data by developers through one-time data backup. The memory data refers to an operating system or even application program data burned in a memory chip of the intelligent terminal, and the debugging data refers to data used for debugging the intelligent terminal in a testing process.
If the technical scheme provided by the embodiment of the invention is applied to the testing stage before the intelligent terminal leaves the factory, the intelligent terminal is restarted to enter the safe downloading mode after being halted, and the data backup method of the intelligent terminal provided by the embodiment of the invention is carried out in the safe downloading mode.
It should be noted that the technical solution provided by the embodiment of the present invention can be applied not only to the testing stage before the intelligent terminal leaves the factory, but also to data backup after the intelligent terminal leaves the factory and during the use process of the user.
Preferably, in order to reduce the address detection time during the backup process and further reduce the backup time, the memory data and the debug data may be stored in a Chip Select (CS) space, and the contents of each CS space storing the memory data or the debug data may be stored as files. For example, the contents from the start address to the end address of each CS space storing memory data or debug data are read and stored as files.
For a CS space, the contents from a certain address to an end address may be empty, and no memory data or debug data is stored, for example, the contents of the part of addresses are all 0x0, or all 0 xff. In order to reduce the file generation time, the content may not be saved, and only the memory data or debugging data in the content may be read. For example, the memory data or the debug data in each CS space storing the memory data or the debug data are read and stored as a file.
The target storage device in the embodiment of the present invention may be, but is not limited to, a T-Flash card (T-Flash card, abbreviated as T-card), an SD card, a Personal Computer (PC), other external storage, and the like.
Because the T card is common, convenient to use and high in storage speed, the T card is preferably selected as the target storage device.
If the T card is selected as the target storage device. In the embodiment of the invention, before the memory data and the debugging data which are stored as files are copied to the T card, a small device C compiler (sdcc) device is initialized.
On the basis of any of the above method embodiments, in order to facilitate subsequent analysis of the backed-up memory data, preferably, after step 1, a trace debug script is further copied to the target storage device.
On the basis of any of the above method embodiments, in a test stage before the intelligent terminal leaves a factory, when a modem (modem) of the intelligent terminal crashes or a kernel of the intelligent terminal crashes, data of the intelligent terminal needs to be backed up. However, there may be a case where data of the intelligent terminal is already backed up in the target storage device, or the target storage device does not have a condition for backing up data, or a system version of the intelligent terminal supports a secure boot (secure boot) mode, so that the data does not need to be backed up after the system is halted. In order to prevent futile backup, the embodiments of the present invention preferably provide the following solutions, and in the practical application process, one or a combination of more of them may be adopted:
the existing intelligent terminal system uses a 7K or 8K platform and does not support a secureboot mode. However, if the intelligent terminal of the platform of the subsequent version supports the sesureboot mode, data backup after crash is not needed. Then, in order to avoid a futile backup, before the memory data and the debugging data of the intelligent terminal are saved as files, whether the intelligent terminal supports the secureboot mode or not can be judged, and if the intelligent terminal does not support the secureboot mode, the data backup is continued. And if the intelligent terminal supports the secreboot mode, ending the data backup.
In this implementation, if the target storage device is a T card, it may be determined whether the intelligent terminal supports the secureboot mode first and then initializes the sdcc device, or it may be determined whether the intelligent terminal supports the secureboot mode first and then initializes the sdcc device.
Secondly, data of the intelligent terminal may have been backed up in the target storage device, and in order to avoid secondary backup, before copying memory data and debugging data saved as files to the target storage device, initializing a file system of the target storage device, and then searching whether a target file with a predetermined format and a predetermined file name with empty content is saved under a first target path of a predetermined target storage device; if the target file is not stored under the first target path of the target storage device or the content of the target file is not empty, ending the data backup; and if the target file with empty content is stored in the first target path of the target storage device, continuing the data backup.
Correspondingly, after the memory data and the debugging data saved as the files are copied to the target storage device, the target file with empty content in the first target path of the target storage device is deleted. To avoid subsequent duplicate backups.
In the embodiment of the present invention, the target file for determining whether to continue to execute the data backup operation is a file with a predetermined file name and a predetermined file type. The first target path for saving the target file is a predetermined path, and preferably, the root directory of the predetermined target storage device is the first target path.
In this implementation, if the target storage device is a T card, the sdcc device is initialized, and then the steps in this implementation are performed.
If the first implementation manner and the second implementation manner are used in combination, preferably, it may be determined whether the intelligent terminal supports the secureboost mode, and then other steps may be performed.
And thirdly, the data files needing to be backed up are more and the formats are not uniform. In order to facilitate searching and saving, a folder may be created in the target storage device, and the data to be backed up is copied to the folder. In addition, the folder can also be used for judging whether the data backup needs to be continuously executed or not, so that secondary backup is avoided.
Specifically, before copying the memory data and debug data stored as files to the target storage device, searching whether a target folder with a predetermined name is stored under a second target path of the predetermined target storage device; if the target folder is stored under the second target path of the target storage device, ending the data backup; and if the target folder is not saved under the second target path of the target storage device, creating the target folder under the second target path.
And after a target folder is created under the second target path, copying the memory data and the debugging data which are stored as files into the target folder of the target storage device.
If the target folder is stored in the second target path of the target storage device, it indicates that data backup has been performed in the manner provided by the embodiment of the present invention before, and in order to avoid overwriting the data of the previous backup due to the secondary backup, this data backup is ended.
If a combination of the above implementations is used, there is no time-sequential constraint between the above second and third implementations. Whether to continue the data backup can be judged according to the second implementation mode or the third implementation mode. If the first implementation manner is combined, preferably, it may be determined whether the intelligent terminal supports the secureboost mode, and then other steps may be performed.
The method provided by the embodiment of the invention is explained in detail below by taking the T-card backup as an example.
After the modem of the intelligent terminal crashes or the kernel crashes, the modem restarts to enter a secure download (softwaredownload) mode. In the secure download mode, the data backup method provided in the embodiment of the present invention is shown in fig. 2, and specifically includes the following operations:
step 200, initializing the sdcc device so as to operate the T card.
This step 200 may be implemented by calling the originally added code in the intelligent terminal system platform.
And 210, judging whether the intelligent terminal supports a secureboost mode, if so, executing a step 290, and if not, executing a step 220.
Step 220, initializing the file system of the T card.
It should be noted that, in another alternative implementation manner, step 210 may be performed first, and when it is determined that the smart terminal does not support the sesureboot mode, step 200 is performed, and then step 220 is performed.
Step 230, searching whether a file with empty content and a file name of rdcookie is saved in the root directory of the T card, if so, executing step 240, and if not, executing step 290.
Wherein, the root directory is the first target path, and the file with the file name "rdcookie.
And step 240, respectively saving the memory data and the debugging data of the intelligent terminal as files.
Specifically, the content from the start address to the end address of each chip select space for storing memory data or debug data can be read and stored as a file. The memory data or debug data in each chip selection space for storing the memory data or debug data can also be read and stored as files respectively.
After step 240, optionally, a prompt message is also output to prompt the start of data backup.
And 250, searching whether a target folder is stored in the root directory of the T card, if so, executing the step 290, otherwise, executing the step 260.
Wherein, the root directory is the second target path. In this embodiment, the first target path and the second target path are the same.
Step 260, create a target folder under the second target path.
And 270, copying the memory data and the debugging data stored as the files into a target folder under the root directory of the T card.
Optionally, the trace debug script is also copied into the target folder.
Optionally, a prompt message is further output to prompt the end of data backup.
Step 280, checking the file copied into the target folder, and deleting the file with the file name of rdcookie.
If the file verification is correct, the data backup is successful, and if the file verification is wrong, the data backup is failed. If the backup fails, optionally, the data backup may be resumed.
And step 290, ending the data backup.
Based on the same inventive concept as the method, an embodiment of the present invention further provides an intelligent terminal, which has a structure as shown in fig. 3 and specifically includes:
a file saving module 301, configured to save the memory data and the debug data of the intelligent terminal as files;
a data backup module 302, configured to copy the memory data and the debug data saved as files to the target storage device;
the file checking module 303 is configured to check the file copied to the target storage device to determine whether the backup is successful.
Preferably, the file saving module 301 is specifically configured to:
reading the content between the start address and the end address of each chip selection space for storing memory data or debugging data and respectively storing the content as a file; or,
and reading the memory data or the debugging data in each chip selection space for storing the memory data or the debugging data and respectively storing the memory data or the debugging data as files.
Based on any of the foregoing embodiments of the intelligent terminal, as shown in fig. 4, preferably, the intelligent terminal further includes a first backup control module 304, and before the file saving module 301 saves the memory data and the debug data of the intelligent terminal as files, the first backup control module 304 is configured to:
judging whether the intelligent terminal supports a safe starting mode or not;
if the intelligent terminal supports the safe starting mode, ending the data backup;
and if the intelligent terminal does not support the safe starting mode, continuing the data backup.
Based on any of the above-mentioned embodiments of the intelligent terminal, as shown in fig. 5, preferably, the intelligent terminal further includes a second backup control module 305, before the data backup module 302 copies the memory data and the debug data saved as files to the target storage device, the second backup control module 305 is configured to:
initializing a file system of the target storage device;
searching whether a target file with a preset format and a preset file name with empty content is stored or not under a preset first target path of the target storage device;
if the target file is not stored under the first target path of the target storage device or the content of the target file is not empty, ending the data backup;
if the target file with empty content is stored in the first target path of the target storage device, continuing the data backup;
after the data backup module 302 copies the memory data and the debug data saved as files to the target storage device, the second backup control module 305 is further configured to:
and deleting the target file with empty content under the first target path of the target storage equipment.
Based on any of the above embodiments of the intelligent terminal, as shown in fig. 6, preferably, the intelligent terminal further includes a third backup control module 306, before the data backup module 302 copies the memory data and the debug data saved as files to the target storage device, the third backup control module 306 is configured to:
searching whether a target folder with a preset name is stored under a preset second target path of the target storage device;
if the target folder is stored under the second target path of the target storage device, ending the data backup;
if the target folder is not stored under a second target path of the target storage device, creating the target folder under the second target path;
after creating the target folder under the second target path, the data backup module 302 is specifically configured to:
and copying the memory data and the debugging data which are stored as files into the target folder of the target storage device.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A data backup method of an intelligent terminal is characterized by comprising the following steps:
storing the memory data and the debugging data of the intelligent terminal as files;
copying the memory data and debugging data saved as files to a target storage device;
checking the file copied to the target storage device to judge whether the backup is successful;
before copying the memory data and the debugging data stored as files to the target storage device, the method further comprises the following steps:
initializing a file system of the target storage device;
searching whether a target file with a preset format and a preset file name with empty content is stored or not under a preset first target path of the target storage device;
if the target file is not stored under the first target path of the target storage device or the content of the target file is not empty, ending the data backup;
and if the target file with empty content is stored in the first target path of the target storage device, continuing the data backup.
2. The method of claim 1, wherein storing the memory data and the debug data of the intelligent terminal as a file comprises:
reading the content between the start address and the end address of each chip selection space for storing memory data or debugging data and respectively storing the content as a file; or,
and reading the memory data or the debugging data in each chip selection space for storing the memory data or the debugging data and respectively storing the memory data or the debugging data as files.
3. The method according to claim 1 or 2, wherein before the memory data and the debugging data of the intelligent terminal are saved as files, the method further comprises:
judging whether the intelligent terminal supports a safe starting mode or not;
if the intelligent terminal supports the safe starting mode, ending the data backup;
and if the intelligent terminal does not support the safe starting mode, continuing the data backup.
4. The method of claim 1 or 2, wherein after copying the memory data and debug data saved as files to the target storage device, the method further comprises:
and deleting the target file with empty content under the first target path of the target storage equipment.
5. The method of claim 1 or 2, wherein before copying the memory data and debug data saved as files to the target storage device, the method further comprises:
searching whether a target folder with a preset name is stored under a second target path of the preset target storage device;
if the target folder is stored under the second target path of the target storage device, ending the data backup;
if a target folder is not stored under a second target path of the target storage device, creating the target folder under the second target path;
after the target folder is created under the second target path, copying the memory data and the debugging data stored as files to the target storage device, including:
and copying the memory data and the debugging data which are stored as files into the target folder of the target storage equipment.
6. An intelligent terminal, comprising:
the file saving module is used for saving the memory data and the debugging data of the intelligent terminal into files;
the data backup module is used for copying the memory data and the debugging data which are stored as files into the target storage equipment;
the file checking module is used for checking the file copied to the target storage device so as to judge whether the backup is successful;
the intelligent terminal further comprises a second backup control module, before the data backup module copies the memory data and the debugging data stored as files to the target storage device, the second backup control module is used for:
initializing a file system of the target storage device;
searching whether a target file with a preset format and a preset file name with empty content is stored or not under a preset first target path of the target storage device;
if the target file is not stored under the first target path of the target storage device or the content of the target file is not empty, ending the data backup;
and if the target file with empty content is stored in the first target path of the target storage device, continuing the data backup.
7. The intelligent terminal according to claim 6, wherein the file saving module is specifically configured to:
reading the content between the start address and the end address of each chip selection space for storing memory data or debugging data and respectively storing the content as a file; or,
and reading the memory data or the debugging data in each chip selection space for storing the memory data or the debugging data and respectively storing the memory data or the debugging data as files.
8. The intelligent terminal according to claim 6 or 7, wherein the intelligent terminal further comprises a first backup control module, before the file saving module saves the memory data and the debug data of the intelligent terminal as files, the first backup control module is configured to:
judging whether the intelligent terminal supports a safe starting mode or not;
if the intelligent terminal supports the safe starting mode, ending the data backup;
and if the intelligent terminal does not support the safe starting mode, continuing the data backup.
9. The intelligent terminal according to claim 6 or 7, wherein after the data backup module copies the memory data and debug data saved as files to the target storage device, the second backup control module is further configured to:
and deleting the target file with empty content under the first target path of the target storage equipment.
10. The intelligent terminal according to claim 6 or 7, wherein the intelligent terminal further comprises a third backup control module, before the data backup module copies the memory data and debug data saved as files to the target storage device, the third backup control module is further configured to:
searching whether a target folder with a preset name is stored under a second target path of the preset target storage device;
if the target folder is stored under the second target path of the target storage device, ending the data backup;
if a target folder is not stored under a second target path of the target storage device, creating the target folder under the second target path;
after the target folder is created under the second target path, the data backup module is specifically configured to:
and copying the memory data and the debugging data which are stored as files into the target folder of the target storage equipment.
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| TWI700579B (en) * | 2019-03-15 | 2020-08-01 | 點序科技股份有限公司 | Storage device testing system and storage device testing method |
| CN113783907A (en) * | 2020-06-10 | 2021-12-10 | 神讯电脑(昆山)有限公司 | Data acquisition device and file backup method thereof |
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| CN101917520A (en) * | 2007-07-04 | 2010-12-15 | 华为技术有限公司 | Conversion/backup method, equipment and system for mobile terminal data |
| CN102117234A (en) * | 2011-03-23 | 2011-07-06 | 惠州Tcl移动通信有限公司 | Method for recovering original software by mobile terminal in software upgrading failure |
| CN102945192A (en) * | 2012-10-19 | 2013-02-27 | 广东欧珀移动通信有限公司 | Data backup and recovery method and intelligent mobile terminal |
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Address after: Shandong City, Qingdao Province, Jiangxi City Road No. 11 Patentee after: Qingdao Hisense Mobile Communication Technology Co.,Ltd. Country or region after: China Address before: Shandong City, Qingdao Province, Jiangxi City Road No. 11 Patentee before: HISENSE MOBILE COMMUNICATIONS TECHNOLOGY Co.,Ltd. Country or region before: China |
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