CN1713115A - Data accessing system and method - Google Patents
Data accessing system and method Download PDFInfo
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- CN1713115A CN1713115A CN 200410048740 CN200410048740A CN1713115A CN 1713115 A CN1713115 A CN 1713115A CN 200410048740 CN200410048740 CN 200410048740 CN 200410048740 A CN200410048740 A CN 200410048740A CN 1713115 A CN1713115 A CN 1713115A
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Abstract
A data access system comprises USB connecting port, USB controller, module for setting operation mode and storing region of operation mode. It is featured as using interface and USB connecting port to connect two computers to each other, setting operation mode of UBS connecting port to include connection service setting of said port and access service setting of storing region, setting USB connecting port service content provided by control electronic device to another electronic device according to operation mode.
Description
Technical field
The invention relates to a kind of data access arrangement and method thereof, particularly about two computer installations by the mutual access of USB transmission line data in the region of data storage separately.
Background technology
Fast development along with infotech, computing machine has become one of most important instrument in daily life and the work, people are in computed process, usually need be at two computer inter phase access datas, for now, can provide the mode of two computing machine short haul connections to have only the infrared transmission mode, yet, because of general desktop PC (Desktop) does not have the infrared transmission interface, so the infrared transmission of this short haul connection also only limits to notebook computer (NOTE BOOK).
In addition, because of being subject to infrared transmission speed, make this infrared transmission interface generally only can transmit data volumes such as text than small documents, this mode can't be to transmitting processing as the bigger file of data volumes such as image file.
On the other hand, need not carry out data transmission if do not possess the computing machine of infrared transmission interface, then must realize that this method not only additionally increases expense, and the size of shared data can be subjected to the restriction of memory card capacity by various storage cards (Memory Card).
Therefore, access data to each other are the problems that need solution at present how to make two computing machines conveniently reach apace.
Summary of the invention
For overcoming the shortcoming of above-mentioned prior art, fundamental purpose of the present invention is to provide a kind of data access arrangement and method thereof, only need utilize transmission line to connect two computer installations, can be with the data in the computer installation region of data storage (for example hard disk), supply with another computer installation access, can effectively solve existing by this data acess method because of being subject to the problem that data capacity is difficult for carrying out data transmission and access greatly.
Another object of the present invention is to provide a kind of data access arrangement and method thereof, make two computer installations need not, can make a computer installation interior data of another computer installation region of data storage of access quickly and easily by computer hardware as storage card.
A further object of the present invention is to provide a kind of data access arrangement and method thereof, for example be applied on the portable electron device such as notebook computer or personal digital assistant, make the region of data storage of these portable electron devices itself can be used as a kind of data memory device of movable type, carry out the usefulness of data access for other electronic installation.
For reaching above-mentioned purpose, the invention provides a kind of data access arrangement and method thereof, for the data of first electronic installation access second electronic device region of data storage storage.
Data access arrangement of the present invention comprises at least with lower member: at least one USB (universal serial bus) of construction (Universal Serial Bus on this second electronic device; Hereinafter to be referred as USB) connectivity port; With the connecting interface that this usb connecting port electrically connects, this connecting interface for example is the USB transmission line, by this connecting interface this second electronic device can be electrically connected with first electronic installation; Be built in the USB controller in this second electronic device, itself and this usb connecting port electrically connects, and whether this USB controller is used to detect this usb connecting port and electrically connects by this connecting interface and this first electronic installation; Supply the user to set the Working mode set module of the mode of operation of usb connecting port, the Working mode set of this usb connecting port comprises the Connection Service setting of carrying out general usb connecting port and the access service setting of opening this second electronic device region of data storage at least; And be used to store the mode of operation storage area that this Working mode set module obtains the usb connecting port Working mode set value that the user sets, make this USB controller when detecting the electric connection of this usb connecting port and first electronic installation, promptly control this second electronic device provides usb connecting port to first electronic installation service content according to this Working mode set value.
Data access method of the present invention may further comprise the steps at least: build at least one USB (universal serial bus) (Universal Serial Bus on above-mentioned second electronic device in advance; Hereinafter to be referred as USB) connectivity port; In this second electronic device, build the USB controller in advance, and this USB controller and usb connecting port are electrically connected; Make the Working mode set of user to this second electronic device execution usb connecting port, the Working mode set of this usb connecting port comprises the Connection Service setting of carrying out general usb connecting port and the access service setting of opening this second electronic device region of data storage at least; Connecting interface and this usb connecting port of for example USB transmission line are set up electrical connection, this second electronic device and above-mentioned first electronic installation are electrically connected by this connecting interface; And detect this usb connecting port by this connecting interface at this USB controller, after this second electronic device and first electronic installation are electrically connected, even, controlling this usb connecting port according to the Working mode set value that the user sets, this second electronic device provide first electronic installation required service content.
By data access arrangement of the present invention and method thereof, make for example first electronic installation or the second electronic device of devices such as desktop PC, notebook computer, personal digital assistant and e-dictionary, after for example the USB transmission line electrically connects both, can make device, stored data in its region of data storage (for example hard disk) are offered other device access with usb connecting port; Relative, if above-mentioned first electronic installation and second electronic device all have above-mentioned USB port and USB controller, and the mode of operation of having set this usb connecting port is when opening the access service of this machine data storage area, but will make each self-access of two table apparatus region of data storage data each other.
In sum, this data acess method will effectively solve existing because of being subject to the problem that the data capacity size is difficult for carrying out data transmission and access, make two computer installations need not to make the computer installation data in the region of data storage of another computer installation of access quickly and easily by computer hardware as storage card, also make the region of data storage of these portable electron devices itself can be used as a kind of data memory device of movable type, carry out the usefulness of data access for other electronic installation.
Description of drawings
Fig. 1 is the application synoptic diagram of data access arrangement of the present invention;
Fig. 2 is the required basic hardware structure block schematic diagram of the data access arrangement of Fig. 1;
Fig. 3 is the required software configuration synoptic diagram of data access arrangement of the present invention; And
Fig. 4 is the schematic flow sheet of data access method of the present invention.
Embodiment
Embodiment
Below by particular specific embodiment explanation embodiments of the present invention.
Fig. 1 is the application synoptic diagram of data access arrangement of the present invention, the data access arrangement of present embodiment is used for the electronic installation of two notebook computers (1,2) as shown in the figure, two notebook computers here are to set up electrical connection by the connecting interface 3 of for example USB transmission line, make wherein a notebook computer (1 or 2) region of data storage (hard disk for example, at this icon not), can supply another notebook computer access; In addition, also can make two notebook computers (1,2), by connecting interface 3 mutual accesses region of data storage each other.This data access arrangement comprises at least: at least one USB (universal serial bus) connectivity port, USB controller, Working mode set module and mode of operation storage area.
Fig. 2 is used for the basic hardware structure block schematic diagram of the required collocation of data access arrangement of key diagram 1, the data access arrangement of present embodiment is used for the data for 25 storages of notebook computer 1 access notebook computer 2 hard disks, or be used for, or be used for for two notebook computers (1,2) access data on the hard disk (15,25) each other mutually for the stored data of notebook computer 2 access notebook computers, 1 hard disk 15.As shown in the figure, this notebook computer 1 comprises north bridge chips 10, CPU (central processing unit) 11 (Central Processing Unit at least; Hereinafter to be referred as CPU), South Bridge chip 12, Basic Input or Output System (BIOS) (Basic Input/OutputSystem; Hereinafter to be referred as BIOS) ROM13, hard disk controller 14, hard disk 15, nonvolatile RAM (Non-Volatile Random Access Memory; Hereinafter to be referred as NVRAM) access controller 16, NVRAM17, USB (universal serial bus) (Universal SerialBus; Be designated hereinafter simply as USB) controller 18 and USB port 19; This notebook computer 2 also comprises north bridge chips 20, CPU21, South Bridge chip 22, BIOS ROM23, hard disk controller 24, hard disk 25, NVRAM access controller 26, NVRAM27, USB controller 28 and USB port 29 at least.Because notebook computer 1 is identical with the system architecture of notebook computer 2, be simplified illustration, below only describe with regard to the inner structure of notebook computer 2.
This north bridge chips 20 is main be responsible for this CPU21 and for example storer such as SRAM, DRAM and cache (at this equal icon not) carry out data transmission and processing, be responsible for the co-ordination of higher speed; This South Bridge chip 22 mainly is responsible for the signal controlling with peripheral hardware units such as BIOS ROM23, hard disk controller 24, NVRAM access controller 26 and USB controllers 28, be responsible for co-ordination more at a slow speed, so by north bridge chips 20 and South Bridge chip 22, CPU21 can be linked up with other peripheral hardware, and make notebook computer 2 operations; The USB port 29 of present embodiment is used for notebook computer 2 outer peripheral devices (peripheral device of present embodiment is meant notebook computer 1) are set up electrical connection with it, and by USB controller 28, make USB port 29 that plug and play (Plug and play) function is provided, make this notebook computer 2 at any time peripheral device be connected, dispose, use and to remove.Because above-mentioned each chip, controller, storer and USB port etc. all are the known members of personnel of familiar with computers technology, therefore, its function and inner structure are not described in further detail at this, below part related to the present invention only is described.
Fig. 3 is the software configuration synoptic diagram of the required collocation of data access arrangement of the present invention.The required software configuration of present embodiment is established among the BIOS ROM23 and NVRAM27 of notebook computer 2, wherein, the bios program that is stored among this BIOS ROM23 has one section USB port setting program 230, by this USB port setting program 230, set the mode of operation of the USB port 29 of notebook computer 2 for the user, the mode of operation of the USB port 29 of present embodiment comprises the Connection Service of carrying out general USB port and opens the external access service of this notebook computer 2 hard disks 25, Connection Service in this so-called general USB port, promptly provide the function of the peripheral device plug and play (Plugand play) that is connected with this USB port 29, in the external access service of this notebook computer of this so-called unlatching 2 hard disks 25, promptly provide the function of stored data in these notebook computer 2 hard disks 25 of peripheral device access that are connected with this USB port 29.
So after the user carries out this USB port setting program 230 and finishes the USB port Working mode set, the USB port Working mode set value 270 that the NVRAM access controller 26 of notebook computer 2 is about to user's setting is stored among the NVRAM27, like this, when detecting USB port 29 generation insert actions when notebook computer 2 smooth starts and by this USB controller 28, even NVRAM26 access controller 26 reads the stored USB port Working mode set value 270 of NVRAM26, make notebook computer 2 according to reading USB port Working mode set value 270, the mode of operation of control USB port 29, for example, if the USB port Working mode set value 270 that notebook computer 2 stores is the external access service of this notebook computer of unlatching 2 hard disks 25, can make the notebook computer 1 that is connected with this USB port 29 by as the connecting interface 3 of USB transmission line, directly read the data in the hard disk 25 of notebook computer 2; Relative, if notebook computer 2 stored USB port Working mode set values 270 are the Connection Service of general USB port, can't make the notebook computer 1 that is connected with this USB port 29 by connecting interface 3 read data in the hard disk 25 of notebook computer 2, just, be stored in the data of hard disk 25 in this notebook computer 2, only can supply 2 machine-readable getting of notebook computer, can't read for other peripheral device.
In addition, carry out in the process of this USB port setting program 230 the user, except that making the user set the USB port mode of operation, other provides this machine harddisk access password setting to handle, and after password setting is finished, the NVRAM access controller 26 of notebook computer 2 is stored in this machine harddisk access password 271 that the user sets among the NVRAM27, like this, detect USB port 29 generation insert actions when notebook computer 2 smooth starts and by USB controller 28, and judge USB port Working mode set value 270 when opening the external access service of this notebook computer 2 hard disks 25, promptly need make the user in notebook computer 2, import this machine harddisk access password, if accessing to your password of user's input is identical with this machine harddisk access password 271 that is stored in this NVRAM27, can make the user pass through the notebook computer 1 that connecting interface 3 is connected with this USB port 29, directly read the data of hard disk 25 in the notebook computer 2, otherwise, even this USB port Working mode set value 270 is for opening the external access service of this notebook computer 2 hard disks 25, but this machine harddisk access password that the user inputed, with this machine harddisk access password 271 that is stored in this NVRAM27 not simultaneously, also can't make the notebook computer 1 that is connected with the USB port 29 of this notebook computer 2, the data on access notebook computer 2 hard disks 25.Therefore, by the setting and the contrast work of this machine harddisk access password, can guarantee the security of hard disc data access.
Then, Fig. 4 is the schematic flow sheet of data access method of the present invention, and the described notebook computer of the process flow diagram of present embodiment still describes as example with the notebook computer (1 and 2) of above-mentioned Figure 1 and Figure 2.As shown in Figure 4, promptly carry out step S1 after the start smoothly, make this notebook computer 2 judge whether USB port 29 electrically connects with notebook computer 1, if then proceed to step S2 at this notebook computer 2; If when not being connected, then still carry out the determining step of this step S1 constantly with notebook computer 1.
In this step S2, make the NVRAM access controller 26 of notebook computer 2 from NVRAM27, read USB port Working mode set value 270, then proceed to step S3.
In this step S3, whether the USB port Working mode set value 270 that makes these notebook computer 2 judgements be read is the Connection Service setting of general USB port, if then proceed to step S4; Then proceed to step S5 if not.
In this step S4, this notebook computer 2 makes USB controller 28 control USB port 29 use as the linkage function of general USB port, just, forbid that the notebook computer 1 that electrically connects with this USB port 29 reads the data on notebook computer 2 hard disks 25.
In this step S5, this notebook computer 2 is judged the USB port Working mode set value 270 that is read, for opening after this notebook computer 2 hard disks 25 external access service set, even this notebook computer 2 users input this machine harddisk access password of notebook computer 2, then proceed to step S6.
In this step S6, this notebook computer 2 reads this machine harddisk access password 271 that prestores from NVRAM27, and this machine harddisk access password that itself and user are inputed compared, judge whether identical both (just judge the user imported this machine harddisk password whether correct), if both identical step S7 that then proceed to; If both differences are then still carried out the determining step of this step S6 constantly.
In this step S7, the notebook computer 1 that electrically connects with the USB port 29 of notebook computer 2 is by the data in connecting interface 3 access notebook computers 2 hard disks 25 of for example USB transmission line.
As from the foregoing,, can make two notebook computers (1 and 2) access data on the hard disk (15 and 25) each other, reach the purpose of data sharing by data access arrangement of the present invention and method thereof.In addition, when for example being applied in data access arrangement of the present invention and method thereof on the portable electron device such as notebook computer or personal digital assistant, can make the data memory device of the region of data storage of these portable electron devices itself, supply other electronic installation to carry out data access as a kind of movable type.
Claims (10)
1. a data access arrangement supplies the stored data of the first electronic installation access second electronic device region of data storage, it is characterized in that this data access arrangement comprises at least:
At least one USB (universal serial bus) connectivity port is built on this second electronic device;
Connecting interface, itself and this usb connecting port electrically connects, and by this connecting interface, this second electronic device and first electronic installation is electrically connected;
The USB controller, whether it is built in this second electronic device, and electrically connects with usb connecting port, detect this usb connecting port and electrically connect by this connecting interface and this first electronic installation;
The Working mode set module supplies the user to set the mode of operation of usb connecting port, and the mode of operation of this usb connecting port comprises the Connection Service of carrying out usb connecting port and the access service of opening this second electronic device region of data storage at least; And
The mode of operation storage area, store this Working mode set module and obtain the Working mode set value that the user sets, make this USB controller when detecting the electric connection of this usb connecting port and first electronic installation, promptly control this second electronic device provides usb connecting port for first electronic installation service content according to this Working mode set value.
2. data access arrangement as claimed in claim 1 is characterized in that this system also comprises the password setting module, for the user access service of opening this second electronic device region of data storage is carried out password setting.
3. data access arrangement as claimed in claim 2 is characterized in that this system also comprises the password storage area, stores the access service password of this second electronic device region of data storage of unlatching that user that this password setting module obtains sets.
4. data access arrangement as claimed in claim 1, it is characterized in that, this first electronic installation also has region of data storage, usb connecting port, USB controller, Working mode set module and mode of operation storage area, electrically connect so that first electronic installation and second electronic device usb connecting port is separately set up, make this first electronic installation and the mutual access of second electronic device be stored in the interior data of region of data storage separately whereby.
5. data access arrangement as claimed in claim 4 is characterized in that, this first electronic installation also comprises the password setting module, for the user access service of opening this first electronic installation region of data storage is carried out password setting.
6. data access arrangement as claimed in claim 5 is characterized in that, this first electronic installation also comprises the password storage area, stores the access service password that this password setting module obtains this first electronic installation region of data storage of unlatching that the user sets.
7. data access method, the stored data of region of data storage for the first electronic installation access second electronic device is characterized in that this data access method may further comprise the steps at least:
On this second electronic device, build at least one USB (universal serial bus) connectivity port in advance;
In this second electronic device, build the USB controller in advance, and this USB controller and usb connecting port are electrically connected;
Make the Working mode set of user to this second electronic device execution usb connecting port, the Working mode set of this usb connecting port comprises the Connection Service setting of carrying out general usb connecting port and the access service setting of opening this second electronic device region of data storage at least;
Connecting interface and this usb connecting port are set up electrical connection, this second electronic device and first electronic installation are electrically connected by this connecting interface; And
Detect this usb connecting port by this connecting interface at this USB controller, after this second electronic device and first electronic installation are electrically connected, even the Working mode set value that this second electronic device is set according to the user, controlling this usb connecting port provides first electronic installation required service content.
8. data access method as claimed in claim 7 is characterized in that this method also comprises the password setting step, makes the user that the access service of opening this second electronic device region of data storage is carried out password setting.
9. data access method as claimed in claim 7, it is characterized in that, this method also is included in the step that this first electronic installation is built at least one usb connecting port, USB controller and region of data storage in advance, and make the user this first electronic installation be carried out the access service of opening this region of data storage, after first electronic installation and second electronic device usb connecting port separately being electrically connected at this connecting interface, make this first electronic installation and second electronic device each other access be stored in data in the region of data storage separately.
10. data access method as claimed in claim 9 is characterized in that this method also comprises the password setting step, makes the user that the access service of opening this first electronic installation region of data storage is carried out password setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100487409A CN100354800C (en) | 2004-06-15 | 2004-06-15 | Data accessing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100487409A CN100354800C (en) | 2004-06-15 | 2004-06-15 | Data accessing system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1713115A true CN1713115A (en) | 2005-12-28 |
| CN100354800C CN100354800C (en) | 2007-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100487409A Expired - Fee Related CN100354800C (en) | 2004-06-15 | 2004-06-15 | Data accessing system and method |
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| Country | Link |
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| CN (1) | CN100354800C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101604234B (en) * | 2008-06-13 | 2011-06-01 | 英业达股份有限公司 | Data synchronous system among storage devices and method thereof |
| CN102270185A (en) * | 2010-06-04 | 2011-12-07 | 宏碁股份有限公司 | Hardware resource sharing system and method thereof |
| CN102325223A (en) * | 2011-09-13 | 2012-01-18 | 深圳桑菲消费通信有限公司 | Method for transmitting data between mobile phones |
| CN101645908B (en) * | 2009-08-31 | 2013-10-09 | 华为终端有限公司 | Method and terminal for managing data transmission service |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1127027C (en) * | 1998-12-04 | 2003-11-05 | 旺玖科技股份有限公司 | Data bus connection method and device between computers |
| CN2513159Y (en) * | 2001-11-23 | 2002-09-25 | 深圳市朗科科技有限公司 | Micro flashing storage card with serial bus interface |
| JP4183429B2 (en) * | 2002-03-20 | 2008-11-19 | 三洋電機株式会社 | Data transfer system |
| CN2570873Y (en) * | 2002-04-11 | 2003-09-03 | 孙涛 | Palm computer and computer dictionary possessing U disc function |
| CN1316388C (en) * | 2003-02-12 | 2007-05-16 | 威盛电子股份有限公司 | USB control circuit suitable to computer-to-computer transmission and its operation method |
-
2004
- 2004-06-15 CN CNB2004100487409A patent/CN100354800C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101604234B (en) * | 2008-06-13 | 2011-06-01 | 英业达股份有限公司 | Data synchronous system among storage devices and method thereof |
| CN101645908B (en) * | 2009-08-31 | 2013-10-09 | 华为终端有限公司 | Method and terminal for managing data transmission service |
| CN102270185A (en) * | 2010-06-04 | 2011-12-07 | 宏碁股份有限公司 | Hardware resource sharing system and method thereof |
| CN102325223A (en) * | 2011-09-13 | 2012-01-18 | 深圳桑菲消费通信有限公司 | Method for transmitting data between mobile phones |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100354800C (en) | 2007-12-12 |
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Granted publication date: 20071212 Termination date: 20110615 |