CN102609741B - A kind of method of exchanges data between mobile device and inside and outside portion storage card thereof - Google Patents
A kind of method of exchanges data between mobile device and inside and outside portion storage card thereof Download PDFInfo
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- CN102609741B CN102609741B CN201210022024.8A CN201210022024A CN102609741B CN 102609741 B CN102609741 B CN 102609741B CN 201210022024 A CN201210022024 A CN 201210022024A CN 102609741 B CN102609741 B CN 102609741B
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Abstract
The invention discloses a kind of mobile device and the method for exchanges data between internal memory card and external memory card, mobile device operation system identifies the partition information of internal memory card and external memory card respectively, and is recorded to by partition information in the data structure of storage medium state; According to the partition information in data structure, in the file system path that the file system respectively in carry internal memory card and external memory card can be accessed to operating system; Be set to the file browser path in operating system can to browse the file system in the internal memory card of carry and external memory card, the file in internal memory card or external memory card is browsed by file browser, from internal memory card or external memory card one side file system in choose need exchange file, be stored in the file system of the opposing party.Thus internal memory card and external memory card are coexisted effectively in mobile device operation system, and both data can be exchanged mutually.
Description
Technical field
The present invention relates to a kind of storage device data compatible technique, particularly relate to the data compatibility technology of a kind of internal memory card and external memory card.
Background technology
Existing handheld mobile device, as mobile phone, panel computer, multimedia player etc., adopt internal storage medium has nand flash memory, iNAND (also claims eMMC, EmbeddedMultiMediaCard) etc., exterior storage medium has MicroSD card (also claim T-flash card, be called for short TF card), SD card etc.
The relative MLC of iNAND (multilevel-cell, Multi-LevelCell) nand, has following advantage:
1) reduce the workload of SOC (system level chip, SystemonChip), save SOC resource.
2) read or write speed is fast
(1) the built-in Cache module of iNAND, if when will store the low capacity file being less than 4K, Cache can help user speed to be increased to about 10 times of MLC, and Cache module does not need user to control, as long as store low capacity file, Cache starts automatically, very convenient.
(2) built-in MLCFLASH simulation can become as SLC by iNAND, is read or write speed and other performances that iNAND has SLC, thus improves read or write speed.
3) Products Compatibility is good, convenient management.
In prior art, iNAND is adopted in a large number due to the read or write speed of its relative MLCnand, compatibility and convenient management.
But iNAND or T-flash card are all be mounted to separately in the system of mobile device in prior art, both uses not good case simultaneously, and the problem of exchanges data between the two is not well solved.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of mobile device and the method for exchanges data between internal memory card and external memory card, internal memory card and external memory card are coexisted effectively in mobile device operation system, and both data can exchange mutually.
In order to solve the problems of the technologies described above, the invention provides the method for exchanges data between a kind of internal memory card of mobile device and external memory card, comprising following steps:
Mobile device operation system identifies the partition information of internal memory card and external memory card respectively, and is recorded to by partition information in the data structure of storage medium state;
According to the partition information in data structure, in the file system path that the file system respectively in carry internal memory card and external memory card can be accessed to operating system;
Be set to the file browser path in operating system can to browse the file system in the internal memory card of carry and external memory card, the file in internal memory card or external memory card is browsed by file browser, from internal memory card or external memory card one side file system in choose need exchange file, be stored in the file system of the opposing party.
As the improvement of technique scheme, above-mentioned internal memory card and external memory card are SDIO interface data card;
In the step respectively partition information of internal memory card and external memory card identified, read the partition information of internal memory card and external memory card by SDIO agreement.
As the improvement of technique scheme, in the step that the partition information of above-mentioned mobile device operation system to internal memory card and external memory card identifies, if mobile device operation system does not correctly identify the partition information of internal memory card or external memory card, then comprise following steps further:
Manually subregion and format are carried out to the internal memory card correctly do not identified or external memory card.
As the improvement of technique scheme, this partition information at least comprises one of following:
Page size, block size, whole card amount of capacity and/or partition table information.
As the improvement of technique scheme, before the step that the partition information of mobile device operation system to internal memory card and external memory card identifies, also comprise following steps:
In mobile device operation system starting process, respectively initialization is carried out to internal memory card and external memory card.
As the improvement of technique scheme, after the file system in carry internal memory card respectively and external memory card to the step in the file system path that operating system can be accessed, also comprise following steps:
User interface to operating system sends carry message, shows the information of carry internal memory card and external memory card file system in operating system user interface.
As the improvement of technique scheme, after the step of the file system in the internal memory card being set to the file browser path in operating system can to browse carry and external memory card, also comprise following steps:
Support is added to the hot swap characteristics of external memory card, the system drive of amendment mobile device and middleware program.
Present invention also offers a kind of mobile device, comprise internal memory card and pluggable external memory card, also comprise:
Identification module, for identifying the partition information of internal memory card and external memory card respectively;
Logging modle, for being recorded in the data structure of storage medium state by the partition information of identification module identification;
Carry module, for according to the partition information in this data structure, in the file system path that the file system respectively in carry internal memory card and external memory card can be accessed to operating system;
Path arranges module, for being set to the file browser path in operating system can to browse the file system in the internal memory card of carry and external memory card;
File browser, for browsing the file in internal memory card and external memory card for user, chooses the file needing to exchange from the file system internal memory card or external memory card;
Unloading module, for being stored into user's file that one side chooses from internal memory card or external memory card in the file system of the opposing party.
As the improvement of technique scheme, above-mentioned internal memory card and external memory card are SDIO interface data card;
Identification module reads the partition information of described internal memory card and external memory card by SDIO agreement.
As the improvement of technique scheme, this mobile device can also comprise:
Division module, for when identification module does not correctly identify the partition information of internal memory card or external memory card, according to manual command, carries out subregion and format to the internal memory card correctly do not identified or external memory card.
As the improvement of technique scheme, this mobile device can also comprise:
Initialization module, for carrying out initialization respectively to internal memory card and external memory card in mobile device operation system starting process;
The partition information of this identification module to the internal memory card after initialization and external memory card identifies.
As the improvement of technique scheme, this mobile device can also comprise:
Notification module, for after the file system path that the file system in carry module respectively carry internal memory card and external memory card can be accessed to operating system, the user interface to operating system sends carry message;
User interface control module, for after receiving carry message, shows the information of carry internal memory card and external memory card file system in operating system user interface.
As the improvement of technique scheme, this mobile device can also comprise:
Hot plug processing module, for adding support to the hot swap characteristics of external memory card;
Modified module, for revising system drive and the middleware program of mobile device.
Compared with prior art, the key distinction and effect thereof are embodiment of the present invention: mobile device operation system identifies the partition information of internal memory card and external memory card respectively, and are recorded to by partition information in the data structure of storage medium state; According to the partition information in data structure, in the file system path that the file system respectively in carry internal memory card and external memory card can be accessed to operating system; Be set to the file browser path in operating system can to browse the file system in the internal memory card of carry and external memory card, the file in internal memory card or external memory card is browsed by file browser, from internal memory card or external memory card one side file system in choose need exchange file, be stored in the file system of the opposing party.Thus internal memory card and external memory card are coexisted effectively in mobile device operation system, and both data can be exchanged mutually.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of exchanges data between the internal memory card of the mobile device of first embodiment of the invention and external memory card;
Fig. 2 is the mobile device structural drawing of second embodiment of the invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
First embodiment of the invention relates to the method for exchanges data between a kind of internal memory card of mobile device and external memory card card.In present embodiment, internal memory card and external memory card are SDIO (SecureDigitalInputandOutput, secure digital input and output) interface data card, be described for iNAND and T-flash (being called for short TF) below, wherein iNAND is the internal memory card of this mobile device, TF card is the pluggable external memory card of this mobile device, and idiographic flow as shown in Figure 1.
In step 101, in mobile device operation system starting process, respectively initialization is carried out to iNAND and TF card.Concrete operations are power on according to the electrifying timing sequence specified inside chip instructions respectively to iNAND and TF card, and arrange respective pins and enter operation level state.
Step 102, the partition information of mobile device operation system to iNAND card and TF card identifies, and is recorded in the data structure of the storage medium state that operating system specifies.
Specifically, in present embodiment, the data interface protocol adopted due to iNAND with TF card is identical, it is all SDIO agreement, the memory management module of operating system can read the partition information of iNAND and TF card by SDIO agreement, comprise a page size, block size, whole card amount of capacity and partition table information etc., and these partition informations are recorded in the data structure of operating system, to be subsequent step carry file system, or application program reads these information and prepares.
Step 103, the partition information in iNAND and TF card whether is correctly identified in determining step 102, if all correctly identified, then enter step 105, if the partition information in iNAND or TF card correctly cannot be identified, then follow-up cannot file system in carry iNAND or TF card in operating system, enter step 104.
In step 104, by artificial, subregion and format are carried out to incorrect iNAND or the TF card identified, partition information is recorded in the data structure of the storage medium state that operating system specifies, then enters step 105.
Step 105, in the file system path that the file system respectively in carry iNAND and TF card can be accessed to operating system.And send carry message to the user interface (UI) of operating system, make operating system show the prompting of carry iNAND and TF card file system in the user interface.
Step 106, file browser path in operating system is set to browse the file system in iNAND and the TF card of carry, allow the file browsed by file browser in iNAND or TF card, the file needing to exchange (as sheared or copying) now can be chosen from the file system iNAND or TF card to be stored in the file system of the opposing party.
Step 107, support is added to the hot swap characteristics of TF card, and revises system drive and the middleware program of mobile device, can effectively coexist after making iNAND equipment and TF card apparatus, when relating to two kinds of storage cards when installation and use application program, can be distinguished.
To the support of TF card hot plug characteristic, specific implementation step is as follows: in TF draw-in groove, have IO (input and output) data line to be used for test card insert state, and the level that level when card inserts and card do not insert is completely contrary.Register the interrupt routine of this IO in an operating system, interruption is that the rising edge of IO level thus and negative edge trigger, can trigger respective interrupt when card carries out the operation of inserting and extracting like this, operating system response is inquired about TF card-like state after interrupting and is determined whether TF card removes.If TF card inserts, the flow process of carry TF card file system is with above-mentioned steps 101 to step 105.If TF card removes, operating system then notifies middleware program and application program equally by system message, and this TF card file system unloads.
Need the device file title of TF card in storage medium carry automatic scanner in add-on system in addition, and its carry, unloading and the improper message such as to remove.Same, add the message such as carry, unloading of INAND, such system just can distinguish the carry message distinguishing TF card and these two kinds of distinct devices of iNAND.Below illustrate the effect of such way for application program: such as certain multimedia playing program can show the multimedia file in all devices, when system provides storage card carry or unloading message, or which file system of its active inquiry is after carry, this program could the correct memory device removing to scan carry to demonstrate the multimedia file be present in system.
Second embodiment of the invention relates to a kind of mobile device, comprise internal memory card (as iNAND) and pluggable external memory card (as T-flash card), wherein, internal memory card and external memory card are SDIO interface data card, and this mobile device also comprises:
Initialization module, for carrying out initialization respectively to internal memory card and external memory card in mobile device operation system starting process.
Identification module, for identifying the partition information of the internal memory card after initialization and external memory card respectively, can read the partition information of internal memory card and external memory card by SDIO agreement.Partition information comprises a page size, block size, whole card amount of capacity and partition table information etc.
Division module, for when identification module does not correctly identify the partition information of internal memory card or external memory card, according to manual command, carries out subregion and format to the internal memory card correctly do not identified or external memory card.
Logging modle, the partition information for identification module or division module being obtained is recorded in the data structure of storage medium state.
Carry module, for according to the partition information in this data structure, in the file system path that the file system respectively in carry internal memory card and external memory card can be accessed to operating system.
Notification module, for after the file system path that the file system in carry module respectively carry internal memory card and external memory card can be accessed to operating system, the user interface to operating system sends carry message.
User interface control module, for after receiving carry message, shows the information of carry internal memory card and external memory card file system in operating system user interface.
Path arranges module, for being set to the file browser path in operating system can to browse the file system in the internal memory card of carry and external memory card.
File browser, for browsing the file in internal memory card and external memory card for user, chooses the file needing to exchange from the file system internal memory card or external memory card.
Unloading module, for being stored into user's file that one side chooses from internal memory card or external memory card in the file system of the opposing party.
By above-mentioned module, internal memory card and external memory card are coexisted effectively in mobile device operation system, and both data can be exchanged mutually.
As the improvement of technique scheme, this mobile device can also comprise: hot plug processing module, for adding support to the hot swap characteristics of external memory card; Modified module, for revising system drive and the middleware program of mobile device.Thus can effectively coexist after making internal memory card and external memory card, when relating to two kinds of storage cards when installation and use application program, can be distinguished.
Although by referring to some of the preferred embodiment of the invention, to invention has been diagram and describing, but those of ordinary skill in the art should be understood that and can do various change to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (13)
1. the method for exchanges data between the internal memory card of mobile device and external memory card, is characterized in that, comprise following steps:
Mobile device operation system identifies the partition information of described internal memory card and external memory card respectively, and is recorded to by described partition information in the data structure of storage medium state; Wherein, described internal memory card and external memory card are SDIO interface data card; Described external memory card is pluggable external memory card;
According to the partition information in described data structure, in the file system path that the file system respectively in internal memory card described in carry and external memory card can be accessed to operating system;
Be set to the file browser path in operating system can to browse the file system in the internal memory card of described carry and external memory card, the file in described internal memory card and external memory card is browsed by file browser, from described internal memory card or external memory card one side file system in choose need exchange file, be stored in the file system of the opposing party.
2. the method for exchanges data between the internal memory card of mobile device according to claim 1 and external memory card, is characterized in that,
In the described the step respectively partition information of internal memory card and external memory card identified, read the partition information of described internal memory card and external memory card by SDIO agreement.
3. the method for exchanges data between the internal memory card of mobile device according to claim 2 and external memory card, it is characterized in that, in the step that the partition information of described mobile device operation system to described internal memory card and external memory card identifies, if described mobile device operation system does not correctly identify the partition information of described internal memory card or external memory card, then comprise following steps further:
Manually subregion and format are carried out to the internal memory card correctly do not identified or external memory card.
4. the method for exchanges data between the internal memory card of mobile device according to claim 2 and external memory card, is characterized in that, described partition information at least comprises one of following:
Page size, block size, whole card amount of capacity and/or partition table information.
5. the method for exchanges data between the internal memory card of mobile device according to claim 1 and external memory card, it is characterized in that, before the step that the partition information of described mobile device operation system to described internal memory card and external memory card identifies, also comprise following steps:
In mobile device operation system starting process, respectively initialization is carried out to described internal memory card and external memory card.
6. the method for exchanges data between the internal memory card of mobile device according to claim 1 and external memory card, it is characterized in that, after file system in the described internal memory card of carry respectively and external memory card to the step in the file system path that operating system can be accessed, also comprise following steps:
User interface to operating system sends carry message, shows the information of the described internal memory card of carry and external memory card file system in operating system user interface.
7. the method for exchanges data between the internal memory card of mobile device as claimed in any of claims 1 to 6 and external memory card, it is characterized in that, described be set to the file browser path in operating system can to browse described carry internal memory card and external memory card in file system step after, also comprise following steps:
Support is added to the hot swap characteristics of described external memory card, revises system drive and the middleware program of described mobile device.
8. a mobile device, comprises internal memory card and pluggable external memory card, it is characterized in that, also comprise:
Identification module, for identifying the partition information of described internal memory card and external memory card respectively; Wherein, described internal memory card and external memory card are SDIO interface data card;
Logging modle, for being recorded in the data structure of storage medium state by the partition information of described identification module identification;
Carry module, for according to the partition information in described data structure, in the file system path that the file system respectively in internal memory card described in carry and external memory card can be accessed to operating system;
Path arranges module, for being set to the file browser path in operating system can to browse the file system in the internal memory card of described carry and external memory card;
File browser, for browsing the file in described internal memory card and external memory card for user, chooses the file needing to exchange from the file system described internal memory card or external memory card;
Unloading module, for being stored into user's file that one side chooses from internal memory card or external memory card in the file system of the opposing party.
9. mobile device according to claim 8, is characterized in that, described identification module reads the partition information of described internal memory card and external memory card by SDIO agreement.
10. mobile device according to claim 9, is characterized in that, also comprises:
Division module, for when described identification module does not correctly identify the partition information of described internal memory card or external memory card, according to manual command, carries out subregion and format to the internal memory card correctly do not identified or external memory card.
11. mobile devices according to claim 8, is characterized in that, also comprise:
Initialization module, for carrying out initialization respectively to described internal memory card and external memory card in mobile device operation system starting process;
The partition information of described identification module to the internal memory card after described initialization and external memory card identifies.
12. mobile devices according to claim 8, is characterized in that, also comprise:
Notification module, for after the file system path that the file system in described carry module respectively carry internal memory card and external memory card can be accessed to operating system, the user interface to operating system sends carry message;
User interface control module, for after receiving described carry message, shows the information of the described internal memory card of carry and external memory card file system in operating system user interface.
Mobile device in 13. according to Claim 8 to 12 described in any one, is characterized in that, also comprises:
Hot plug processing module, for adding support to the hot swap characteristics of described external memory card;
Modified module, for revising system drive and the middleware program of described mobile device.
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| CN201210022024.8A CN102609741B (en) | 2012-01-31 | 2012-01-31 | A kind of method of exchanges data between mobile device and inside and outside portion storage card thereof |
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| CN102831173B (en) * | 2012-07-27 | 2016-09-07 | Tcl集团股份有限公司 | Memory expanding method based on android system, device and terminal device |
| CN103324737A (en) * | 2013-06-28 | 2013-09-25 | 贝壳网际（北京）安全技术有限公司 | Method and device for moving data in mobile terminal and mobile terminal |
| CN104580669A (en) * | 2013-10-22 | 2015-04-29 | 中兴通讯股份有限公司 | Mobile terminal and virtual memory card use method thereof |
| CN103793256B (en) * | 2014-03-03 | 2017-11-24 | 联想(北京)有限公司 | Manage the method and electronic equipment of storage card |
| CN105589657A (en) * | 2014-10-23 | 2016-05-18 | 中兴通讯股份有限公司 | Method and device for realizing mounting of mobile storage |
| CN107832235A (en) * | 2017-11-28 | 2018-03-23 | 苏州佳世达电通有限公司 | A kind of method and apparatus of automatically formatting storage device |
| WO2020113421A1 (en) * | 2018-12-04 | 2020-06-11 | 深圳市欢太科技有限公司 | Method for mounting file system, terminal device, and storage medium |
| CN110941843B (en) * | 2019-11-22 | 2022-03-29 | 北京明略软件系统有限公司 | Encryption implementation method, device, equipment and storage medium |
| CN117406924A (en) * | 2023-10-19 | 2024-01-16 | 合肥力高动力科技有限公司 | TF card-based data storage method in BMS |
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| US20050160069A1 (en) * | 2003-12-30 | 2005-07-21 | Samsung Electronics Co., Ltd. | Method for processing a file for a sub-memory in a wireless terminal |
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Effective date of registration: 20160530 Address after: Jinxi Yum road Kunshan city Suzhou city 215300 Jiangsu province No. 508 Patentee after: Suzhou Action Prowave Technology Co.,Ltd. Address before: 200001, room 709-7, C District, No. 666 East Huangpu District Road, Shanghai Patentee before: Shanghai Aishang Communication Technology Co., Ltd. |