CN101556568A - Method for controlling data transmission function of universal serial bus port and terminal equipment - Google Patents
Method for controlling data transmission function of universal serial bus port and terminal equipment Download PDFInfo
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- CN101556568A CN101556568A CN 200910083746 CN200910083746A CN101556568A CN 101556568 A CN101556568 A CN 101556568A CN 200910083746 CN200910083746 CN 200910083746 CN 200910083746 A CN200910083746 A CN 200910083746A CN 101556568 A CN101556568 A CN 101556568A
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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
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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Abstract
The embodiment of the invention provides a method for controlling data transmission function of a universal serial bus port and terminal equipment; wherein the method comprises the following steps: a first terminal establishes connection with a second terminal; the connection comprises the connection established between the first terminal and the second terminal by the universal serial bus (USB) port; the first terminal reads preset control information; the first terminal shields the data transmission function of the USB port according to the control information; or the USB port is changed into a logical port; and the logical port is used for transmitting the data between the first terminal and the second terminal. The technical proposal provided by the embodiment of the invention saves the involvement of a mobile terminal user to the process, improves user experience and avoids the problem that the first terminal needs to be configured with a driving program of the USB port.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method and terminal device of controlling data transmission function of universal serial bus port.
Background technology
Under the certain situation, some function of communication facilities setting that before dispatching from the factory, is cured, this curing setting no doubt possesses its advantage, but also exists the function that is cured to be difficult to be modified, and causes operating inflexible defective.
For example as, in the read-only memory (ROM) of the interior baseband chip of some portable terminals, usually be solidified with guiding (boot) program, comprise in the boot program starting the data-transformation facility that is used to finish USB (universal serial bus) (USB) and universal asynchronous reception/transmitter (UART).The USB/UART data-transformation facility can be used for portable terminal is done professional operation, as upgrading the software on the portable terminal, system software is done upgrading processing, or the like.CDMA (TD-SCDMA)/global system for mobile communications (GSM) bimodule digital baseband chip that the time-division of above-mentioned baseband chip such as company of Ya De promise semiconductor technology company (ADI) is synchronous.
After portable terminal and other equipment such as computing machine foundation were communicated by letter, the boot program can be given tacit consent to the operation that execution waits for that the usb data transfer function is activated, and comprising:
In default duration, wait for the response instruction of computer-side, to determine whether and to transmit data by USB port, as downloading dynamic data, to upgrade the related software in the portable terminal from computer-side.
In addition, do not start the required USB port driver of usb data transfer function if dispose on the computing machine, then Windows can point out the user need upgrade hardware device drivers, brings inconvenience to the user.
The inventor finds that in realizing process of the present invention there is following at least technical matters in prior art: for common mobile phone users, the user is usually directed to downloading application software such as entertainment software from the computing machine to the operation of portable terminal, or, portable terminal is done professional operation and seldom relate to the certain operations of the data transmission in the portable terminal to the computing machine; Therefore, the usb data transfer function that acquiescence starts in the baseband chip of portable terminal is for domestic consumer, not only do not bring convenient in the use to the user, brings inconvenience to the user on the contrary, and because of the on time is extended, causes user experience relatively poor.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of method and terminal device of controlling data transmission function of universal serial bus port, to solve the technical matters that being difficult to of existing in the prior art control the data-transformation facility of USB port.
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of method of controlling data transmission function of universal serial bus port, may further comprise the steps:
Connect between first terminal and second terminal; Described connection comprised by described first terminal and being connected that the general-purpose serial bus USB port between described second terminal is set up;
Described first terminal reads default control information;
Described first terminal shields the data-transformation facility of USB port on described first terminal according to described control information; Or the USB port of changing on described first terminal is a logic port, and utilizes described logic port to transmit data between described first terminal and described second terminal.
Preferably, described first terminal shields the data-transformation facility of the USB port on described first terminal according to described control information; Or the USB port of changing on described first terminal is that logic port comprises:
If described control information conforms to preset parameter value, then shield the data-transformation facility of described USB port; Otherwise changing described USB port is logic port.
Preferably, described logic port comprises virtual COM port or DFU DFU pattern.
Preferably, the USB port on described first terminal of described change is before the logic port, and this method also comprises:
The descriptor of the described logic port of configuration in described first terminal;
USB port on described first terminal of described change is that logic port comprises:
Described first terminal provides the descriptor of described logic port to described second terminal, determines that by described second terminal port that is connected with this second terminal is described logic port.
Preferably, described first terminal reads before the default control information, and this method also comprises:
Change described control information.
Preferably, described control information is the Flash signature in the nonvolatile memory Flash that is stored in described first terminal; The described control information of described change comprises:
Adopt the described Flash signature of AT order change;
Or, change described Flash signature by default special module.
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of terminal device, comprising: USB port, information reading unit and controlled processing unit;
Described USB port, be used to set up with second terminal between be connected;
Described information reading unit is used to read default control information;
Described controlled processing unit is used for shielding the data-transformation facility of described USB port according to described control information; Or changing described USB port is logic port, and utilizes described logic port to transmit data between described terminal device and described second terminal.
Preferably, described controlled processing unit comprises:
Judging unit is used to judge whether described control information conforms to preset parameter value, obtains judged result;
First processing unit, being used in described judged result is control information when conforming to preset parameter value, shields the data-transformation facility of described USB port;
Second processing unit, being used in described judged result is control information when not conforming to preset parameter value, changing described USB port is logic port;
Transmission processing unit is used to utilize described logic port to transmit data between described terminal device and described second terminal.
Preferably, described terminal device also comprises:
The information configuration unit disposes the descriptor of described logic port;
Described second processing unit comprises: recognition unit and information provide the unit as a result;
Described recognition unit as a result, being used to discern described judged result is that control information does not conform to preset parameter value;
Described information provides the unit, is used for the descriptor of described logic port is offered described second terminal, determines that by described second terminal port that is connected with this second terminal is described logic port.
Preferably, described terminal device also comprises the information change unit, is used to change described control information.
Compared with prior art, the technical scheme that provides of embodiments of the invention has the following advantages:
In the technical scheme that the embodiment of the invention provides, first terminal is based on default control information, data-transformation facility to the USB port that connects first terminal and second terminal carries out control and treatment flexibly, select to shield USB port according to control information, to evade as solidifying the process that USB port is upgraded the software in first terminal of passing through of design, remove the participation of mobile phone users from, improve user experience this process; Or be logic port according to control information change USB port, so that in the data of transmitting by USB port between first terminal and second terminal, as when upgrading software in first terminal, evade the problem of the driver of configuration USB port on needs first terminal, and adopt logic port to transmit related data.
And, of the present invention is among the embodiment, control information is stored in the nonvolatile memory Flash, concrete form can show as the Flash signature, and when the Flash signature is preset parameter value, the shielding USB port, and when the Flash signature does not conform to preset parameter value, the change USB port, and carry out the related data transmission process, thus guarantee that the USB port masking operation is difficult to be carried out by malice or mistake.
Description of drawings
Fig. 1 is the method flow diagram of control data transmission function of universal serial bus port in the embodiments of the invention;
Fig. 2 is the structural representation of terminal device in the embodiments of the invention;
Fig. 3 is another structural representation of terminal device in the embodiments of the invention;
Fig. 4 is the process flow diagram of the data-transformation facility of control USB port in the embodiments of the invention.
Embodiment
In the embodiments of the invention,, control the data-transformation facility of USB port by in first terminal such as above-mentioned portable terminal, control information being set.
Below in conjunction with the accompanying drawings and the specific embodiments technical scheme of the present invention is described in detail.
Referring to Fig. 1, Fig. 1 is the method flow diagram of control data transmission function of universal serial bus port in the embodiments of the invention, and this flow process can may further comprise the steps:
Connect between step 101, first terminal and second terminal; This connection comprised by described first terminal and being connected that the USB port between described second terminal is set up.
First terminal such as above-mentioned portable terminal, second terminal such as above-mentioned computing machine.In the practical application, being connected between portable terminal and the computing machine also comprises the connection of setting up based on UART.
In the embodiments of the invention, among the predeterminable Flash in portable terminal of control information, be specially the Flash signature.
In the embodiments of the invention, the concrete form of control information can be character string or other; In the specific implementation, first terminal can compare control information that reads and the parameter value of presetting, and judges whether control information conforms to preset parameter value, if conform to, then USB port is made shielding processing; Otherwise, the change USB port.The advantage that this comparison is handled is, can prevent to be revised by malicious modification or mistake because of the Flash signature, and the situation of the USB conductively-closed that causes takes place.Unless because legal modifications, otherwise the probability that the Flash signature is changed to preset parameter value is not too big, thus can reduce USB port by malice or mistake shielding, the possibility that causes legal modifications to be difficult to be performed.In the practical application, also can be provided with, then carry out the operation of change USB port if control information conforms to preset parameter value; If do not conform to, then carry out the operation of shielding USB port.
In the practical application, before portable terminal is paid the mobile phone users use, the person skilled legal modifications of Flash can being signed is a preset parameter value, when guaranteeing that the user uses portable terminal, can not be subjected to the prompting user that the boot program is solidified whether to carry out bothering of USB down loading updating mobile terminal software, and shorten the on time, improve user experience; And in the development of portable terminal, other values that person skilled can the Flash signature be set to not conform to preset parameter value so that utilize USB port, are carried out the research and development of specialty and are handled to portable terminal.
In addition, in the practical application, can select suitable Flash signature address space,, ensure information security to guarantee the independence of this address space.
In the embodiments of the invention, be the way of logic port for the change USB port, wherein, logic port is a virtual serial port, specifically can be set to virtual COM port, or DFU (DFU, DeviceFirmware Upgrade) pattern.Wherein, the descriptor of logic port comprises: the descriptor of logic port place equipment, configuration descriptor, or the like.The specific practice of change USB port can comprise: carry out when mutual at portable terminal and computing machine, portable terminal offers computing machine with the descriptor of pre-configured logic port thereon, computing machine is according to the descriptor that reads, and judging the port that is adopted is logic port such as COM port.
Because COM port is a universal port, therefore, computing machine is not reresented the driver that customer requirements is installed port, thereby makes user's operating mobile terminal more easily, and removes the cost that port driver need be provided from.
In the embodiments of the invention, the Flash signature can be revised.It is as follows that embodiments of the invention are enumerated two kinds of alter modes:
Special module change Flash signature is set, perhaps, adopts the interface command between data terminal equipment (DTE) and data communications equipment (DCE), be i.e. AT order, change Flash signature.
Wherein, special module as with use mutually independently mini system software;
AT order example as:
AT^UPDATE: be used to indicate the function of unlatching based on physical USB port transmission data, the address space of signing at Flash writes whole 0xff;
So-called open based on the function of physical USB port transmission data for example as, the software release upgrade function of opening portable terminal;
AT^CLOSEUPDATE: be used for indication shielding USB port, the address space of signing at Flash writes preset parameter value.
In the practical application, can be not limited to use the embodiment of the above-mentioned change Flash signature of enumerating.
In addition, in the practical application, for carrying out the technical scheme that embodiments of the invention provided, for the portable terminal and the computing machine that connect by USB port and UART port, can be in advance the linkage function of USB port be switched on the UART port, thereby portable terminal is connected based on USB port physically with computing machine, but in fact connects by the UART port.Because the UART port does not need driver to drive usually, therefore, can evade the problem that needs to dispose the USB port driver on the computing machine yet.Particularly, above-mentioned switching can realize by hardware, as changing the level of the specific pin on the baseband chip, after allowing on portable terminal and computer physics to be connected by USB port, evades USB port, and support UART port.
Referring to Fig. 2, Fig. 2 is the structural representation of terminal device in the embodiments of the invention.Among Fig. 2, terminal device 200 can comprise: USB port 201, information reading unit 202 and controlled processing unit 203;
USB port 201, be used to set up with second terminal between be connected;
Information reading unit 202 is used to read default control information;
Controlled processing unit 203 is used for according to described control information, the data-transformation facility of shielding USB port 201; Or change USB port 201 is a logic port, and utilizes the data between the logic port transmission terminal equipment and second terminal.
Referring to Fig. 3, Fig. 3 is another structural representation of terminal device in the embodiments of the invention.Among Fig. 3, the controlled processing unit 203 in the terminal device 300 comprises: judging unit 301, first processing unit 302, second processing unit 303 and transmission processing unit 304;
Judging unit 301 is used to judge whether control information conforms to preset parameter value, obtains judged result;
First processing unit 302, being used in described judged result is control information when conforming to preset parameter value, shields the data-transformation facility of described USB port;
Second processing unit 303, being used in described judged result is control information when not conforming to preset parameter value, changing described USB port is logic port;
Transmission processing unit 304 is used to utilize the data between the logic port transmission terminal equipment and second terminal.
Second processing unit 303 comprises: recognition unit and information provide the unit as a result; (not shown among Fig. 3)
Recognition unit as a result, being used to discern described judged result is that control information does not conform to preset parameter value;
Information provides the unit, is used for according to the identification of recognition unit as a result, and the descriptor of described logic port is offered described second terminal,, determine that by second terminal port that is connected with this second terminal is a logic port.
Flash storer 307 is used to store control information.
Boot program in the above-mentioned portable terminal that provides with ADI is an example below, and the process of control USB port in the embodiments of the invention is described.Referring to Fig. 4, Fig. 4 is the process flow diagram of the data-transformation facility of control USB port in the embodiments of the invention, and this flow process can may further comprise the steps:
Baseband chip in step 402, the portable terminal reads the Flash signature on the Flash.
The descriptor of the COM port that step 405, computing machine basis read, the port that identification communicates with is a COM port.
The download instruction of the downloaded software of computing machine transmission by the time upgraded versions such as step 407, baseband chip judge whether, if, execution in step 408; Otherwise, execution in step 406.
During this is embodiment illustrated in fig. 4, baseband chip signs to determine it is the function of shielding USB port according to Flash, skip the process of downloading the update software of portable terminal based on USB port, also be based on change to USB port, adopt the COM port executive software to upgrade process, thereby effectively control the data-transformation facility of USB port.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better embodiment under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this software product is stored in the storage medium, comprises that some instructions are used so that a station terminal equipment is carried out the described method of each embodiment of the present invention.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of method of controlling data transmission function of universal serial bus port is characterized in that, comprising:
Connect between first terminal and second terminal; Described connection comprised by described first terminal and being connected that the general-purpose serial bus USB port between described second terminal is set up;
Described first terminal reads default control information;
Described first terminal shields the data-transformation facility of USB port on described first terminal according to described control information; Or the USB port of changing on described first terminal is a logic port, and utilizes described logic port to transmit data between described first terminal and described second terminal.
2, method according to claim 1 is characterized in that, described first terminal shields the data-transformation facility of USB port on described first terminal according to described control information; Or the USB port of changing on described first terminal is that logic port comprises:
If described control information conforms to preset parameter value, then shield the data-transformation facility of USB port on described first terminal; Otherwise the USB port of changing on described first terminal is a logic port.
3, method according to claim 1 and 2 is characterized in that, the USB port on described first terminal of described change is before the logic port, and this method also comprises:
The descriptor of the described logic port of configuration in described first terminal;
USB port on described first terminal of described change is that logic port comprises:
Described first terminal provides the descriptor of described logic port to described second terminal, determines that by described second terminal port that is connected with this second terminal is described logic port.
4, method according to claim 3 is characterized in that, described logic port comprises:
Virtual COM port or DFU DFU pattern.
5, method according to claim 1 is characterized in that, described first terminal reads before the default control information, and this method also comprises:
Change described control information.
6, method according to claim 5 is characterized in that, described control information is the Flash signature in the nonvolatile memory Flash that is stored in described first terminal; The described control information of described change comprises:
Adopt the described Flash signature of AT order change;
Or, change described Flash signature by default special module.
7, a kind of terminal device is characterized in that, comprising: USB port, information reading unit and controlled processing unit;
Described USB port, be used to set up with other-end between be connected;
Described information reading unit is used to read default control information;
Described controlled processing unit is used for shielding the data-transformation facility of described USB port according to described control information; Or changing described USB port is logic port, and utilizes described logic port to transmit data between described terminal device and the described other-end.
8, terminal device according to claim 7 is characterized in that, described controlled processing unit comprises:
Judging unit is used to judge whether described control information conforms to preset parameter value, obtains judged result;
First processing unit, being used in described judged result is control information when conforming to preset parameter value, shields the data-transformation facility of described USB port;
Second processing unit, being used in described judged result is control information when not conforming to preset parameter value, changing described USB port is logic port;
Transmission processing unit is used to utilize described logic port to transmit data between described terminal device and described second terminal.
9, terminal device according to claim 8 is characterized in that, described terminal device also comprises:
The information configuration unit disposes the descriptor of described logic port;
Described second processing unit comprises: recognition unit and information provide the unit as a result;
Described recognition unit as a result, being used to discern described judged result is that control information does not conform to preset parameter value;
Described information provides the unit, is used for according to the identification of recognition unit as a result, and the descriptor of described logic port is offered described second terminal, determines that by described second terminal port that is connected with this second terminal is described logic port.
10, terminal device according to claim 7 is characterized in that, described terminal device also comprises the information change unit, is used to change described control information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910083746 CN101556568A (en) | 2009-05-11 | 2009-05-11 | Method for controlling data transmission function of universal serial bus port and terminal equipment |
| PCT/CN2009/075412 WO2010130130A1 (en) | 2009-05-11 | 2009-12-08 | Method and terminal device for controlling data transmission function of universal serial bus port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910083746 CN101556568A (en) | 2009-05-11 | 2009-05-11 | Method for controlling data transmission function of universal serial bus port and terminal equipment |
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| CN101556568A true CN101556568A (en) | 2009-10-14 |
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| CN 200910083746 Pending CN101556568A (en) | 2009-05-11 | 2009-05-11 | Method for controlling data transmission function of universal serial bus port and terminal equipment |
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| WO (1) | WO2010130130A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010130130A1 (en) * | 2009-05-11 | 2010-11-18 | 中兴通讯股份有限公司 | Method and terminal device for controlling data transmission function of universal serial bus port |
| CN101710313B (en) * | 2009-11-23 | 2011-12-28 | 中兴通讯股份有限公司 | Method, system and device for multiplexing dynamically configurable USB port |
| CN102323886A (en) * | 2011-05-30 | 2012-01-18 | 青岛海信移动通信技术股份有限公司 | Be used for writing the methods, devices and systems of customizing messages to the terminal |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104462002B (en) * | 2013-09-16 | 2017-08-29 | 联想(北京)有限公司 | The method and electronic equipment of a kind of information processing |
| CN105373422B (en) * | 2014-08-29 | 2019-01-18 | 展讯通信（上海）有限公司 | Controlling terminal equipment enters method, terminal device and the computer equipment of downloading mode |
| CN109656852A (en) * | 2018-12-05 | 2019-04-19 | 郑州云海信息技术有限公司 | A kind of SYS_TF card interface connection control method and system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060027487A (en) * | 2004-09-23 | 2006-03-28 | 엘지전자 주식회사 | Mobile communication terminal having a data downloading function and controlling method therefore |
| CN100476727C (en) * | 2005-09-22 | 2009-04-08 | 英华达(上海)电子有限公司 | Method for quickly changing hand-set fixer using USB interface |
| CN100458699C (en) * | 2007-04-10 | 2009-02-04 | 北京中星微电子有限公司 | Method and system for updating fastener |
| CN101303684B (en) * | 2007-05-08 | 2012-12-05 | 中兴通讯股份有限公司 | Method for upgrading software edition of a plurality of mobile terminal |
| CN100504785C (en) * | 2007-10-19 | 2009-06-24 | 中兴通讯股份有限公司 | Method for automatically reading and updating apparatus data employing USB memory device |
| CN101556568A (en) * | 2009-05-11 | 2009-10-14 | 中兴通讯股份有限公司 | Method for controlling data transmission function of universal serial bus port and terminal equipment |
-
2009
- 2009-05-11 CN CN 200910083746 patent/CN101556568A/en active Pending
- 2009-12-08 WO PCT/CN2009/075412 patent/WO2010130130A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010130130A1 (en) * | 2009-05-11 | 2010-11-18 | 中兴通讯股份有限公司 | Method and terminal device for controlling data transmission function of universal serial bus port |
| CN101710313B (en) * | 2009-11-23 | 2011-12-28 | 中兴通讯股份有限公司 | Method, system and device for multiplexing dynamically configurable USB port |
| CN102323886A (en) * | 2011-05-30 | 2012-01-18 | 青岛海信移动通信技术股份有限公司 | Be used for writing the methods, devices and systems of customizing messages to the terminal |
| CN102323886B (en) * | 2011-05-30 | 2013-11-06 | 青岛海信移动通信技术股份有限公司 | Method for writing special information into terminal, device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010130130A1 (en) | 2010-11-18 |
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