CN105183673A - Method and apparatus for supporting hot swap of external storage device under recovery mode - Google Patents
Method and apparatus for supporting hot swap of external storage device under recovery mode Download PDFInfo
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- CN105183673A CN105183673A CN201510515602.5A CN201510515602A CN105183673A CN 105183673 A CN105183673 A CN 105183673A CN 201510515602 A CN201510515602 A CN 201510515602A CN 105183673 A CN105183673 A CN 105183673A
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000008569 process Effects 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 9
- 238000013404 process transfer Methods 0.000 claims description 4
- 230000006378 damage Effects 0.000 claims description 3
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- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
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Abstract
The present invention discloses a method and apparatus for supporting hot swap of an external storage device under a recovery mode, wherein the method comprises: detecting under the recovery mode whether an external storage device accesses, if so, creating a corresponding device file of the external storage device; establishing association relationship between the external storage device and the device file; and reading storage content of the external storage device to the device file. Embodiments of the present invention enable a mobile terminal to support the external storage device under the recovery mode, so as to save storage space.
Description
Technical field
The embodiment of the present invention relates to technical field of mobile terminals, particularly relates to a kind of method and the device of supporting external storage hot plug in recovery mode.
Background technology
Along with the development of science and technology, the dependence of present user to mobile phone is more and more higher, and embedded in mobile phone storage space is very limited, now needs extension storage space to reach requirement.Usual use storage card or external storage carry out the internal memory of extended mobile phone.
Recovery (recovery) pattern of mobile phone refers to a kind of pattern (being similar to windowsPE or DOS) can modified to the data of Android machine inside or system.User can brush into new Android system under this scheme, or backs up existing system or upgrade, also can in this factory reset etc.
In the prior art, usually the AKU that manufacturer issues is placed in phone memory, namely in mobile phone EMS memory or embedded in mobile phone storage card, after starting recovery pattern, from phone memory, reads AKU, system is upgraded or repairs.
But, the limited storage space of existing mobile phone, and the AKU general data amount that manufacturer issues is larger, when upgrading, if user mobile phone memory space inadequate, then user is needed to delete some data to increase storage space, so that be placed in phone memory by AKU, complete upgrading.
Summary of the invention
The embodiment of the present invention provides a kind of method and the device of supporting external storage hot plug in recovery mode, mobile terminal can be made under recovery pattern to support external storage, save storage space.
First aspect, embodiments providing a kind of method recovering to support under recovery pattern external storage hot plug, comprising:
Detect under recovery pattern and whether have external storage to access, if so, then create device file corresponding to described external storage;
Set up the incidence relation of described external storage and described device file;
Storage content in described external storage is read in described device file.
Second aspect, the embodiment of the present invention also provides a kind of device recovering to support under recovery pattern external storage hot plug, comprising:
Detect creation module, whether having external storage to access for detecting under recovery pattern, if so, then creating device file corresponding to described external storage;
Association sets up module, for setting up the incidence relation of described external storage and described device file;
Content read module, for reading the storage content in described external storage in described device file.
The embodiment of the present invention by directly setting up the incidence relation of external storage and described device file under recovery pattern, storage content in described external storage is read in described device file, thus complete the read operation with described external storage by described device file under recovery pattern.The embodiment of the present invention can make mobile terminal support external storage under recovery pattern, saves storage space.
Accompanying drawing explanation
The schematic flow sheet supporting the method for external storage hot plug under recovery recovery pattern that Fig. 1 provides for the embodiment of the present invention one;
The schematic flow sheet supporting the method for external storage hot plug under recovery recovery pattern that Fig. 2 provides for the embodiment of the present invention two;
Fig. 3 is the structural representation supporting the device of external storage hot plug under recovery recovery pattern that the embodiment of the present invention three provides.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
The executive agent supporting the method for external storage hot plug under recovery recovery pattern that the embodiment of the present invention provides, can be and be arranged on mobile terminal (such as, smart mobile phone, panel computer etc.) on recovering the device supporting external storage hot plug under recovery pattern, should support that the device of external storage hot plug can adopt hardware or software simulating under recovery recovery pattern.
Embodiment one
The schematic flow sheet supporting the method for external storage hot plug under recovery recovery pattern that Fig. 1 provides for the embodiment of the present invention one, as shown in Figure 1, specifically comprises:
Step 11, detect under recovery pattern and whether have external storage to access, if so, then create device file corresponding to described external storage;
Wherein, recovery pattern refers to the pattern can modified to the data of Android machine inside or system, can brush into new Android system under recovery pattern, or backs up existing system or upgrade, also can in this factory reset etc.Therefore, in order to save the storage space of mobile terminal, the AKU issued in advance is placed in external storage (such as OTG equipment) by manufacturer, by setting up the read operation with external storage under recovery pattern, directly can complete backup or updating operation.
Concrete, if mobile terminal uses Android system, whether then can directly utilize the driving layer of Android system to detect has external storage to access under recovery pattern, such as, when there being external storage to access, the change of the signal voltage of pin in mobile terminal interface can be detected, can detect whether have external storage to access according to this signal intensity.If detected, external storage accesses, then automatically create device file corresponding to described external storage.
Step 12, set up the incidence relation of described external storage and described device file;
In order to the content of described external storage can be read, need the incidence relation setting up described external storage and described device file.
Step 13, the storage content in described external storage to be read in described device file.
The present embodiment by directly setting up the incidence relation of external storage and described device file under recovery pattern, storage content in described external storage is read in described device file, thus complete the read operation with described external storage by described device file under recovery pattern.The present embodiment can make mobile terminal support external storage under recovery pattern, saves storage space.
Exemplary, on the basis of above-described embodiment, after setting up the incidence relation of described external storage and described device file, also comprise:
Under recovery pattern, detect described external storage whether extract, if so, then delete device file corresponding to described external storage.
Exemplary, on the basis of above-described embodiment, in order to set up associating of recovery pattern and described external storage, read described device file after creating device file corresponding to described external storage, by the storage content in described external storage before, further comprise following steps:
Under recovery pattern, create the first thread, detect the existence of described device file in real time;
If detect, described device file exists, then determine that described external storage is in access state at present, and triggers the operation storage content in described external storage being read described device file;
If detect, described device file does not exist, then determine that described external storage is in the state of extracting at present, and destroys described first thread.
Exemplary, in order to the carry state enabling user know described external storage intuitively, described set up the incidence relation of described external storage and described device file after, also comprise:
Under recovery pattern, create the second thread, detect the carry state of described external storage in real time;
If detect, described external storage is in by carry state, then show the device identification of described external storage in real time;
If detect, described external storage is in unloaded state, then show described external storage unloaded or extracted.
Exemplary, utilize the characteristic of Android system, can directly adopt Ueventd mechanism realize under recovery pattern with the read operation of described external storage, detect under recovery pattern and whether have external storage to access, if so, the device file then creating described external storage corresponding specifically comprises:
Whether have external storage access, if so, then external storage incoming instruction is reported Ueventd process if being detected by the driving layer of terminal;
By described Ueventd process transfer Uevent process, the device file corresponding by external storage described in described Uevent process creation;
Accordingly, set up the incidence relation of described external storage and described device file, the storage content in described external storage read in described device file and specifically comprises:
Set up the incidence relation of described external storage and described device file by recovery process, read described storage content by described device file.
The various embodiments described above equally by directly setting up the incidence relation of external storage and described device file under recovery pattern, storage content in described external storage is read in described device file, thus the read operation with described external storage is completed by described device file under recovery pattern, mobile terminal can be made equally under recovery pattern to support external storage, save storage space.
Embodiment two
The schematic flow sheet supporting the method for external storage hot plug under recovery recovery pattern that Fig. 2 provides for the embodiment of the present invention two, the present embodiment adopts Uevent mechanism to realize in the method recovering to support under recovery pattern external storage hot plug, because most of mobile terminal all adopts Android system to realize, and in Android system, a lot of places is had all to realize driving the communication of layer and application layer by the framework of Uevent, namely be a kind of method that the driving layer notice application layer of Android system has state to change, such as USB line inserts, extract, battery electric quantity change etc., its essence drives layer to send (can pass through socket) character string to application layer, application layer receives and explains this character string, obtain corresponding information.And under recovery pattern, after driving layer to run through, the process that is Ueventd can be performed, exist as next endless loop:
This endless loop is that Uevent framework is arranged to prevent a kind of fortuitous event, Uevent framework is communicated with driving layer by Socket, and in processing logic, have the system call of a poll (), under normal circumstances, every circulation primary all can enter poll () method and wait for, until this circulation just can be continued after receiving next Socket message, then the Uevent information driving and report is read from impact damper, then carry out the establishment of device file and remove, the present embodiment utilizes when entering recovery pattern and performs this feature of Uevnetd, it is allowed to support the function of the external storage of hot plug.As shown in Figure 2, specifically comprise the steps:
Whether step 21, the detection of driving layer have external storage to access, and if so, then external storage incoming instruction are reported Ueventd process;
Step 22, described Ueventd process notice Uevent process, the device file corresponding by external storage described in described Uevent process creation;
Described Ueventd process can adopt socket communication notifications Uevent process, then carries out the establishment of device file.Or when driving layer detection to have extracting of external storage, then external storage is extracted instruction and report Ueventd process, described Ueventd process adopts socket communication notifications Uevent process, then carries out removing of device file.
Step 23, recovery process creation first thread, set up the incidence relation of described external storage and described device file, and detect the existence of described device file in real time;
If described recovery process detection exists to described device file, then perform step 24, if detect, described device file does not exist, then step 25.
Step 24, to be read in described external storage by described device file and store content.
Step 25, determine that described external storage is in the state of extracting at present, then destroy described first thread.
Step 26, described recovery process creation second thread, detect the carry state of described external storage in real time;
If described external storage is in by carry state, then perform step 27, if described external storage is in unloaded state, then perform step 28.
The device identification of step 27, the in real time described external storage of display;
Step 28, to show described external storage unloaded or extracted.
The present embodiment by directly setting up the incidence relation of external storage and described device file under recovery pattern, storage content in described external storage is read in described device file, thus complete the read operation with described external storage by described device file under recovery pattern.The present embodiment can make mobile terminal support external storage under recovery pattern, saves storage space.
Embodiment three
Fig. 3 is the structural representation supporting the device of external storage hot plug under recovery recovery pattern that the embodiment of the present invention three provides, and as shown in Figure 3, specifically comprises: detect creation module 31, module 32 and content read module 33 are set up in association;
Whether described detection creation module 31 has external storage to access for detecting under recovery pattern, if so, then creates device file corresponding to described external storage;
Described association sets up module 32 for setting up the incidence relation of described external storage and described device file;
Described content read module 33 is for reading the storage content in described external storage in described device file.
Described in the present embodiment recover to support under recovery pattern the device of external storage hot plug for perform described in above-described embodiment in the method recovering to support under recovery pattern external storage hot plug, the technique effect of its know-why and generation is similar, is not repeated here.
Exemplary, on the basis of above-described embodiment, described device also comprises: detect removing module 34;
Described detection removing module 34 is for setting up after module 32 sets up the incidence relation of described external storage and described device file in described association, under recovery pattern, detect described external storage whether extract, if so, device file corresponding to described external storage is then deleted.
Exemplary, on the basis of above-described embodiment, described device also comprises: the first thread creation module 35, first determination module 36 and the first thread destruction module 37;
Described first thread creation module 35 is for after creating device file corresponding to described external storage in described detection creation module 31, before the storage content in described external storage is read described device file by described content read module 33, under recovery pattern, create the first thread, detect the existence of described device file in real time;
If for described first thread creation module 35, described first determination module 36 detects that described device file exists, then determine that described external storage is in access state at present, and trigger the operation that the storage content in external storage is read described device file by described content read module 33;
If for described first thread creation module 35, described first thread destruction module 37 detects that device file does not exist, then determine that described external storage is in the state of extracting at present, and destroy described first thread.
Exemplary, on the basis of above-described embodiment, described device also comprises: the second thread creation module 38 and display module 39;
Described second thread creation module 38 is for setting up after module 32 sets up the incidence relation of described external storage and described device file in described association, under recovery pattern, create the second thread, detect the carry state of described external storage in real time;
If for described second thread creation module 38, described display module 39 detects that external storage is in by carry state, then show the device identification of described external storage in real time; If described second thread creation module detects that described external storage is in unloaded state, then show described external storage unloaded or extracted.
Exemplary, described detection creation module 31 specifically for:
Whether have external storage access, if so, then external storage incoming instruction is reported Ueventd process if being detected by the driving layer of terminal;
By described Ueventd process transfer Uevent process, the device file corresponding by external storage described in described Uevent process creation;
Described association set up module specifically for:
Set up the incidence relation of described external storage and described device file by recovery process, read described storage content by described device file.
Described in the various embodiments described above recover to support under recovery pattern the device of external storage hot plug equally for perform described in above-described embodiment in the method recovering to support under recovery pattern external storage hot plug, the technique effect of its know-why and generation is similar, is not repeated here.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (10)
1. recovering the method supporting external storage hot plug under recovery pattern, it is characterized in that, comprising:
Detect under recovery pattern and whether have external storage to access, if so, then create device file corresponding to described external storage;
Set up the incidence relation of described external storage and described device file;
Storage content in described external storage is read in described device file.
2. method according to claim 1, is characterized in that, after setting up the incidence relation of described external storage and described device file, also comprises:
Under recovery pattern, detect described external storage whether extract, if so, then delete device file corresponding to described external storage.
3. method according to claim 1, is characterized in that, before reading described device file, also comprises after creating device file corresponding to described external storage, by the storage content in described external storage:
Under recovery pattern, create the first thread, detect the existence of described device file in real time;
If detect, described device file exists, then determine that described external storage is in access state at present, and triggers the operation storage content in described external storage being read described device file;
If detect, described device file does not exist, then determine that described external storage is in the state of extracting at present, and destroys described first thread.
4. method according to claim 1, is characterized in that, after setting up the incidence relation of described external storage and described device file, also comprises:
Under recovery pattern, create the second thread, detect the carry state of described external storage in real time;
If detect, described external storage is in by carry state, then show the device identification of described external storage in real time;
If detect, described external storage is in unloaded state, then show described external storage unloaded or extracted.
5. whether method according to claim 1, is characterized in that, detect and have external storage to access under recovery pattern, if so, then creates device file corresponding to described external storage, comprising:
Whether have external storage access, if so, then external storage incoming instruction is reported Ueventd process if being detected by the driving layer of terminal;
By described Ueventd process transfer Uevent process, the device file corresponding by external storage described in described Uevent process creation;
Set up the incidence relation of described external storage and described device file, the storage content in described external storage read in described device file, comprising:
Set up the incidence relation of described external storage and described device file by recovery process, read described storage content by described device file.
6. recovering the device supporting external storage hot plug under recovery pattern, it is characterized in that, comprising:
Detect creation module, whether having external storage to access for detecting under recovery pattern, if so, then creating device file corresponding to described external storage;
Association sets up module, for setting up the incidence relation of described external storage and described device file;
Content read module, for reading the storage content in described external storage in described device file.
7. device according to claim 6, is characterized in that, also comprises:
Detect removing module, for setting up after module sets up the incidence relation of described external storage and described device file in described association, under recovery pattern, detect described external storage whether extract, if so, then delete device file corresponding to described external storage.
8. device according to claim 6, is characterized in that, also comprises:
First thread creation module, for after creating device file corresponding to described external storage in described detection creation module, before the storage content in described external storage is read described device file by described content read module, under recovery pattern, create the first thread, detect the existence of described device file in real time;
First determination module, if detect that described device file exists for described first thread creation module, then determine that described external storage is in access state at present, and trigger the operation that the storage content in external storage is read described device file by described content read module;
First thread destruction module, if detect that device file does not exist for described first thread creation module, then determines that described external storage is in the state of extracting at present, and destroys described first thread.
9. device according to claim 6, is characterized in that, also comprises:
Second thread creation module, for setting up in described association after module sets up the incidence relation of described external storage and described device file, creating the second thread, detecting the carry state of described external storage in real time under recovery pattern;
Display module, if detect that external storage is in by carry state for described second thread creation module, then shows the device identification of described external storage in real time; If described second thread creation module detects that described external storage is in unloaded state, then show described external storage unloaded or extracted.
10. device according to claim 6, is characterized in that, described detection creation module specifically for:
Whether have external storage access, if so, then external storage incoming instruction is reported Ueventd process if being detected by the driving layer of terminal;
By described Ueventd process transfer Uevent process, the device file corresponding by external storage described in described Uevent process creation;
Described association set up module specifically for:
Set up the incidence relation of described external storage and described device file by recovery process, read described storage content by described device file.
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| CN201510515602.5A CN105183673B (en) | 2015-08-20 | 2015-08-20 | The method and device of external storage hot plug is supported in recovery mode |
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| CN201510515602.5A CN105183673B (en) | 2015-08-20 | 2015-08-20 | The method and device of external storage hot plug is supported in recovery mode |
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| CN105183673A true CN105183673A (en) | 2015-12-23 |
| CN105183673B CN105183673B (en) | 2017-11-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106844261A (en) * | 2016-12-19 | 2017-06-13 | 杰发科技（合肥）有限公司 | The method and apparatus of hot plug is realized in recovery mode |
| CN109510895A (en) * | 2018-10-24 | 2019-03-22 | 惠州Tcl移动通信有限公司 | Method, mobile terminal and the storage medium that mobile terminal control fitting works |
| CN114168498A (en) * | 2021-11-09 | 2022-03-11 | 百富计算机技术（深圳）有限公司 | Method, device and equipment for maintaining broken line and computer storage medium |
| CN115079901A (en) * | 2022-06-08 | 2022-09-20 | Oppo广东移动通信有限公司 | Interface display method, device, storage medium and terminal |
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| CN102938817A (en) * | 2012-11-14 | 2013-02-20 | 广东欧珀移动通信有限公司 | Storage mount achieving method and device under recovery mode of mobile phone |
| US20130117850A1 (en) * | 2011-11-09 | 2013-05-09 | Douglas Britton | System and Method for Bidirectional Trust Between Downloaded Applications and Mobile Devices Including a Secure Charger and Malware Scanner |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20130117850A1 (en) * | 2011-11-09 | 2013-05-09 | Douglas Britton | System and Method for Bidirectional Trust Between Downloaded Applications and Mobile Devices Including a Secure Charger and Malware Scanner |
| CN102938817A (en) * | 2012-11-14 | 2013-02-20 | 广东欧珀移动通信有限公司 | Storage mount achieving method and device under recovery mode of mobile phone |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106844261A (en) * | 2016-12-19 | 2017-06-13 | 杰发科技（合肥）有限公司 | The method and apparatus of hot plug is realized in recovery mode |
| CN109510895A (en) * | 2018-10-24 | 2019-03-22 | 惠州Tcl移动通信有限公司 | Method, mobile terminal and the storage medium that mobile terminal control fitting works |
| CN114168498A (en) * | 2021-11-09 | 2022-03-11 | 百富计算机技术（深圳）有限公司 | Method, device and equipment for maintaining broken line and computer storage medium |
| CN114168498B (en) * | 2021-11-09 | 2024-02-06 | 百富计算机技术（深圳）有限公司 | Broken line maintaining method, device, equipment and computer storage medium |
| CN115079901A (en) * | 2022-06-08 | 2022-09-20 | Oppo广东移动通信有限公司 | Interface display method, device, storage medium and terminal |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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Granted publication date: 20171110 |