CN101998691A - Method, system and device for data transmission - Google Patents
Method, system and device for data transmission Download PDFInfo
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- CN101998691A CN101998691A CN200910167152.XA CN200910167152A CN101998691A CN 101998691 A CN101998691 A CN 101998691A CN 200910167152 A CN200910167152 A CN 200910167152A CN 101998691 A CN101998691 A CN 101998691A
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Abstract
The embodiment of the invention relates to the field of electronic technology, in particular to a method, a system and a device for data transmission, which are used for simplifying the process of software updating and/or parameter adjustment of a baseband processor in a smartphone. The method disclosed in the embodiment of the invention comprises the following steps: an application processor enumerates the ports of the baseband processor; the application processor virtualizes a first port connected with a second terminal into a serial port; and the application processor forwards data between the baseband processor and the second terminal through the first port and a second port connected with the port of the baseband processor. In the method disclosed in the invention, since the soft updating and/or parameter adjustment of the baseband processor can be realized through the special port of the application processor, the process of software updating and/or parameter adjustment of the baseband processor in the smartphone can be simplified, thereby being convenient for users and improving user experience.
Description
Technical field
The present invention relates to electronic technology field, particularly a kind of mthods, systems and devices of transfer of data.
Background technology
Smart mobile phone is because the function of supporting is a lot, than non intelligent mobile phone complexity.Non intelligent mobile phone has a baseband processor usually, is responsible for radio communication function, user interface demonstration, button and touch screen operation etc.
Because smart mobile phone can provide functions such as amusement beyond more communications, video for the user, so smart mobile phone except baseband processor is arranged, also has an application processor.Wherein, the baseband processor in the smart mobile phone is responsible for the function of radio communication aspect; Application processor in the smart mobile phone is responsible for functions such as user interface demonstration, application program operation.Application processor and baseband processor all have software systems (comprising operating system and more relevant parameter settings) separately, and need frequent update software and/or parameter adjustment.
When update software and/or parameter adjustment, PC (second terminal) is with after smart mobile phone is connected, and PC (second terminal) is by client software, and software that needs are upgraded and/or the parameter that needs to adjust write application processor or baseband processor.
PC and smart mobile phone connected mode have a variety of, such as common serial line interface (UART) or USB (Universal Serial Bus, universal serial bus) interface.
Smart mobile phone can be designed two mouths, is respectively applied for the software download and/or the parameter adjustment of application processor and baseband processor, as shown in Figure 1:
A mouth here and B oral thermometer show two interfaces, and wherein A mouth and B mouth all are the USB mouths, and it is that application processor or baseband processor are connected with self which port that the PC lateral root connects according to the USB line is distinguished.
1, the A mouth that has connected PC and smart mobile phone with the USB line, operation PC side client software by the A mouth application processor is carried out software upgrading and/or parameter is transferred, and the user can also charge to battery and general data (such as application software, multi-medium data) transmission etc. by this interface in addition;
2, the B mouth that has connected PC and mobile phone with the USB line, operation PC side client software by the B mouth baseband processor is carried out software upgrading and/or parameter is transferred.
In sum, present smart mobile phone need be provided with a special purpose interface baseband processor is carried out software upgrading and/or parameter adjustment, make the process of software upgrading and/or parameter adjustment become very complicated, and the standard of the special purpose interface of the special purpose interface of baseband processor and application processor different (such as one be standard 5pin USB mouth, one is 8pin USB mouth) also need additionally to increase single line.
Summary of the invention
The embodiment of the invention provides a kind of mthods, systems and devices of transfer of data, in order to simplify the process that the baseband processor in the smart mobile phone is carried out software upgrading and/or parameter adjustment.
The method of a kind of transfer of data that the embodiment of the invention provides is applied to comprise the system of first terminal and second terminal, and first terminal comprises application processor and baseband processor, and this method comprises:
Application processor is enumerated the interface of baseband processor;
First interface that application processor will be connected with second terminal invents serial line interface;
Described application processor is transmitted data between described baseband processor and described second terminal by described first interface and second interface that is connected with the interface of baseband processor.
The system of a kind of transfer of data that the embodiment of the invention provides comprises first terminal and second terminal, and described first terminal comprises application processor and baseband processor;
Described application processor, be used to enumerate the interface of described baseband processor, to invent serial line interface with first interface that described second terminal is connected, and transmit data between described baseband processor and described second terminal by described first interface and second interface that is connected with the interface of described baseband processor.
A kind of user terminal that the embodiment of the invention provides, comprise application processor and baseband processor, described application processor comprises: enumerate module, processing module, first interface that is connected with other-end and second interface that is connected with the interface of described baseband processor;
The described module of enumerating is used to enumerate the interface of baseband processor;
Described processing module is used for described first interface is invented serial line interface;
Described first interface is used to receive the data from described other-end, and the data that described second interface is received send to described other-end;
Described second interface is used to receive the data from described baseband processor, and the data that described first interface is received send to described baseband processor.
Embodiment of the invention application processor is enumerated the interface of baseband processor; First interface that application processor will be connected with second terminal invents serial line interface; Application processor is by the data between first interface and second interface forwarding baseband processor that is connected with the interface of baseband processor and second terminal.Owing to can carry out software upgrading and/or parameter adjustment to baseband processor by the special purpose interface of application processor, thereby simplified the process of the baseband processor in the smart mobile phone being carried out software upgrading and/or parameter adjustment, be user-friendly to, improved user experience.
Description of drawings
Fig. 1 is mobile phone and computer connection diagram;
Fig. 2 is the system configuration schematic diagram one of embodiment of the invention transfer of data;
Fig. 3 is the system configuration schematic diagram two of embodiment of the invention transfer of data;
Fig. 4 is the structural representation two of embodiment of the invention user terminal;
Fig. 5 is the method flow schematic diagram of embodiment of the invention transfer of data.
Embodiment
Embodiment of the invention application processor is enumerated the interface of baseband processor; First interface that application processor will be connected with second terminal invents serial line interface; Application processor is by the data between first interface and second interface forwarding baseband processor that is connected with the interface of baseband processor and second terminal.Owing to can carry out software upgrading and/or parameter adjustment to baseband processor by the special purpose interface of application processor, thereby simplify the process of the baseband processor in the smart mobile phone being carried out software upgrading and/or parameter adjustment.
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
As shown in Figure 2, the system of embodiment of the invention transfer of data comprises first terminal 1 and second terminal 2, and first terminal 1 comprises application processor 10 and baseband processor 20.
Wherein, application processor 10 obtains first device descriptor, the first configuration descriptor of baseband processor 20 by second interface, can also obtain first endpoint descriptor of baseband processor 20 by second interface, application processor 10 is according to first device descriptor and the first configuration descriptor, determine that baseband processor 20 is serial interface devices, thereby finish enumeration process the interface of baseband processor 20.
Because application processor 10 has known that baseband processor 20 is serial interface devices, it seems that for application processor 10 interface of baseband processor is exactly an equipment, operations such as application processor 10 can be opened this equipment, reading and writing.
Concrete, application processor 10 sends first by second interface to baseband processor 20 and obtains message, obtains device descriptor message such as Get Descriptor (Device);
Need to prove that the embodiment of the invention is not limited to above-mentioned obtain manner, other modes that can obtain first device descriptor, the first configuration descriptor and first endpoint descriptor from baseband processor 20 are suitable for the embodiment of the invention equally.
Because application processor 10 has been known first endpoint descriptor of baseband processor 20, just know the passage that is used to receive data in the interface of baseband processor 20 according to first endpoint descriptor.
Concrete, after application processor 10 receives data from second terminal by first interface,, determine to be used to receive in the interface of baseband processor 20 passage of data according to first endpoint descriptor, and, give baseband processor 20 with the data forwarding of receiving by second interface and definite passage.
Wherein, application processor 10 is revised second device descriptor and the second configuration descriptor of first interface, amended second device descriptor and the amended second configuration descriptor are used to represent that application processor is a serial interface devices, thereby finish first interface are invented serial line interface.
First interface of application processor 10 is with after second terminal 2 is connected, and second terminal 2 also can be enumerated first interface of application processor 10, and the mode of interface that concrete mode and application processor 10 are enumerated baseband processor 20 is similar.Owing to revised second device descriptor and the second configuration descriptor of first interface, so second terminal 2 just can determine that according to amended second device descriptor and the amended second configuration descriptor first interface of application processor 10 is serial interface devices.
Client in such second terminal 2 will think that first interface is the interface of baseband processor 20, second terminal 2 can be according to second endpoint descriptor (can be second endpoint descriptor of not revising) of first interface then, determine the passage in first interface, carry out the serial interface protocol handshake procedure then.
Concrete, second terminal 2 sends to application processor 10 to corresponding information;
The data of first interface that application processor 10 just will be received are transmitted to baseband processor 20 by second interface;
The data of the interface that application processor 10 just will be received are transmitted to second terminal 2 by first interface;
After receiving, second terminal 2 finishes protocol handshake.
Certainly, baseband processor 20 also can be issued second terminal 2 by application processor 10 with data.
Wherein, first terminal 1 of the embodiment of the invention can be a user terminal, such as mobile phone, PDA etc.;
First interface and second interface can be USB interface, Mini USB interface etc.
As shown in Figure 3, in the system configuration schematic diagram two of embodiment of the invention transfer of data, suppose that first terminal is a mobile phone, second terminal is a computer, and first interface is USB Client (equipment) interface, and second interface is USB Host (main frame) interface;
In implementation procedure, on the hardware USB Host of application processor on the hardware and the interface of baseband processor are coupled together, be that D+ and D-couple together, so only need an A mouth (being the USB Client interface of application processor), just computer can be issued the data of baseband processor and transmit through application processor.
In specific implementation process, a client can be installed, carry out the baseband processor upgrading if desired, then the user can select in client, application processor will invent serial line interface with USB Client interface then, waiting the upgrading finish after, application processor will recover USB Client interface, with after computer is connected, computer just can not think that serial equipment has been connected with self like this.
As shown in Figure 4, embodiment of the invention user terminal comprises: application processor and baseband processor, wherein, application processor comprises: enumerate module 100, processing module 110, first interface 120 that is connected with other-end and second interface 130 that is connected with the interface of baseband processor.
Enumerate module 100, be used to enumerate the interface of baseband processor.
First interface 120 is used to receive the data from other-end, and the data that second interface 130 is received send to other-end.
Wherein, enumerate module 100 and obtain first device descriptor, the first configuration descriptor of baseband processor, and, determine that baseband processor is a serial interface devices according to first device descriptor and the first configuration descriptor by second interface 130.
Further, enumerate module 100 is also obtained baseband processor by second interface 130 first endpoint descriptor,, determine to be used to receive in the baseband processor interface passage of data according to first endpoint descriptor;
Accordingly, second interface 130, data that first interface 120 is received are transmitted to baseband processor by the passages of enumerating module 100 and determining.
In specific implementation process, can advance kernel (in (SuSE) Linux OS, utility command make menuconfig disposes kernel, enumerate module 100 choice box places choose Y) with enumerating module 100 compiling, after user terminal starts, enumerate module 100 and just can bring into operation.
Wherein, processing module 110 is revised second device descriptor and the second configuration descriptor of first interface, and amended second device descriptor and the amended second configuration descriptor are used to represent that application processor is a serial interface devices.
In specific implementation process, be connected back (such as connecting) with other-end at user terminal with the USB line, and the user selects to upgrade baseband processor, then processing module 110 can be loaded in the kernel (in (SuSE) Linux OS, utility command make menuconfig disposes kernel, choose M enumerating module 100 choice box places, promptly reload into kernel with the time spent), bring into operation.
Concrete, an application software can be installed in user terminal, the user can select to upgrade baseband processor by application software, and processing module 110 can be loaded in the kernel then.
As shown in Figure 5, the method for embodiment of the invention transfer of data is applied to comprise the system of first terminal and second terminal, and first terminal comprises application processor and baseband processor, specifically comprises the following steps:
First interface that step 502, application processor will be connected with second terminal invents serial line interface.
In the step 501, application processor obtains first device descriptor, the first configuration descriptor of baseband processor by second interface, can also obtain first endpoint descriptor of baseband processor by second interface, application processor is according to first device descriptor and the first configuration descriptor, determine that baseband processor is a serial interface devices, thereby finish enumeration process the interface of baseband processor.
Because application processor has known that baseband processor is a serial interface devices, it seems that for application processor the interface of baseband processor is exactly an equipment, operations such as application processor can be opened this equipment, reading and writing.
Concrete, application processor sends first by second interface to baseband processor and obtains message;
Baseband processor receive first obtain message after, first device descriptor is returned to application processor;
Application processor sends second by second interface to baseband processor and obtains message;
Baseband processor receive second obtain message after, first configuration descriptor and first endpoint descriptor returned to application processor.
Need to prove that the embodiment of the invention is not limited to above-mentioned obtain manner, other modes that can obtain first device descriptor, the first configuration descriptor and first endpoint descriptor from baseband processor are suitable for the embodiment of the invention equally.
Because application processor has been known first endpoint descriptor of baseband processor in the step 501, just know the passage that is used to receive data in the interface of baseband processor according to first endpoint descriptor.
Accordingly, in the step 503, after application processor passes through the data of first interface reception from second terminal, according to first endpoint descriptor, determine to be used to receive in the interface of baseband processor the passage of data, and, give baseband processor with the data forwarding of receiving by second interface and definite passage.
In the step 502, application processor is revised second device descriptor and the second configuration descriptor of first interface, amended second device descriptor and the amended second configuration descriptor are used to represent that application processor is a serial interface devices, thereby finish first interface are invented serial line interface.
First interface of application processor is with after second terminal is connected, and second terminal also can be enumerated first interface of application processor, and the mode of interface that concrete mode and application processor are enumerated baseband processor is similar.Because in the step 502, application processor has been revised second device descriptor and the second configuration descriptor of first interface, so second terminal just can determine that according to amended second device descriptor and the amended second configuration descriptor first interface of application processor is a serial interface devices.
Client in such second terminal will think that first interface is the interface of baseband processor, second terminal can be according to second endpoint descriptor (can be second endpoint descriptor of not revising) of first interface then, determine the passage in first interface, carry out the serial interface protocol handshake procedure then.
Concrete, second terminal sends to application processor to corresponding information;
The data of first interface that application processor just will be received are transmitted to baseband processor by second interface;
Baseband processor is returned corresponding information according to the information of receiving;
The data of the interface that application processor just will be received are transmitted to second terminal by first interface;
After receiving, second terminal finishes protocol handshake.
Second terminal just sends to application processor with data such as systems soft wares after finishing protocol handshake, and is transmitted to baseband processor by application processor, thereby finishes corresponding escalation process;
Certainly, baseband processor also can be issued second terminal by application processor with data.
Wherein, first terminal of the embodiment of the invention can be a user terminal, such as mobile phone, PDA etc.;
Second terminal can be the equipment of computer and other first terminals of can upgrading;
First interface and second interface can be USB interface, Mini USB interface etc.
From the foregoing description as can be seen: embodiment of the invention application processor is enumerated the interface of baseband processor; First interface that application processor will be connected with second terminal invents serial line interface; Application processor is by the data between first interface and second interface forwarding baseband processor that is connected with the interface of baseband processor and second terminal.
Owing to can carry out software upgrading and/or parameter adjustment to baseband processor by the special purpose interface of application processor, thereby simplified the process of the baseband processor in the smart mobile phone being carried out software upgrading and/or parameter adjustment, be user-friendly to, improved user experience.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1. the method for a transfer of data is applied to comprise the system of first terminal and second terminal, and first terminal comprises application processor and baseband processor, it is characterized in that this method comprises:
Application processor is enumerated the interface of baseband processor;
First interface that application processor will be connected with second terminal invents serial line interface;
Described application processor is transmitted data between described baseband processor and described second terminal by described first interface and second interface that is connected with the interface of baseband processor.
2. the method for claim 1 is characterized in that, the interface that described application processor is enumerated baseband processor comprises:
Described application processor obtains first device descriptor, the first configuration descriptor of baseband processor by described second interface;
Described application processor determines that according to described first device descriptor and the first configuration descriptor described baseband processor is a serial interface devices.
3. method as claimed in claim 2 is characterized in that, described application processor also obtains first endpoint descriptor of baseband processor by described second interface;
The data that described application processor is transmitted between described baseband processor and described second terminal by described first interface and described second interface comprise:
Described application processor is by the data of described first interface reception from second terminal;
Described application processor is according to described first endpoint descriptor, determines to be used to receive in the described baseband processor interface passage of data;
Described application processor is given described baseband processor by described second interface and definite passage with the data forwarding of receiving.
4. the method for claim 1 is characterized in that, first interface that described application processor will be connected with second terminal invents serial line interface and comprises:
Described application processor is revised second device descriptor and the second configuration descriptor of described first interface, and amended second device descriptor and the amended second configuration descriptor are used to represent that described application processor is a serial interface devices.
5. the system of a transfer of data comprises first terminal and second terminal, and described first terminal comprises application processor and baseband processor, it is characterized in that,
Described application processor, be used to enumerate the interface of described baseband processor, to invent serial line interface with first interface that described second terminal is connected, and transmit data between described baseband processor and described second terminal by described first interface and second interface that is connected with the interface of described baseband processor.
6. user terminal, comprise application processor and baseband processor, it is characterized in that described application processor comprises: enumerate module, processing module, first interface that is connected with other-end and second interface that is connected with the interface of described baseband processor;
The described module of enumerating is used to enumerate the interface of baseband processor;
Described processing module is used for described first interface is invented serial line interface;
Described first interface is used to receive the data from described other-end, and the data that described second interface is received send to described other-end;
Described second interface is used to receive the data from described baseband processor, and the data that described first interface is received send to described baseband processor.
7. user terminal as claimed in claim 6 is characterized in that, the described module of enumerating is used for:
Obtain first device descriptor, the first configuration descriptor of baseband processor by described second interface, and, determine that described baseband processor is a serial interface devices according to described first device descriptor and the first configuration descriptor.
8. user terminal as claimed in claim 7 is characterized in that, the described module of enumerating also is used for:
Obtain first endpoint descriptor of baseband processor by described second interface,, determine to be used to receive in the described baseband processor interface passage of data according to described first endpoint descriptor;
Second interface is used for:
The data that described first interface is received are transmitted to described baseband processor by the passage of determining.
9. user terminal as claimed in claim 6 is characterized in that, described processing module is used for:
Revise second device descriptor and the second configuration descriptor of described first interface, amended second device descriptor and the amended second configuration descriptor are used to represent that described application processor is a serial interface devices.
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Cited By (3)
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CN102523277A (en) * | 2011-12-09 | 2012-06-27 | 中兴通讯股份有限公司 | Method for upgrading terminal platform version and system thereof |
CN102655025A (en) * | 2011-03-04 | 2012-09-05 | 安凯(广州)微电子技术有限公司 | System and method for burning baseband chip in double chip scheme |
CN106789164A (en) * | 2016-11-24 | 2017-05-31 | 努比亚技术有限公司 | A kind of network parameter update method, the network equipment and mobile terminal |
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CN1251070C (en) * | 2002-07-29 | 2006-04-12 | 联想(北京)有限公司 | Method for upgrading solid device of wireless communiation modules in use |
US7753788B2 (en) * | 2004-01-30 | 2010-07-13 | Microsoft Corporation | Game controller that converts between wireless operation and wired operation |
CN1332291C (en) * | 2005-11-25 | 2007-08-15 | 北京中星微电子有限公司 | Virtual serial port device |
EP1995666B1 (en) * | 2007-05-24 | 2009-07-15 | Research In Motion Limited | System and method for interfacing an electronic device with a host system |
CN101431241B (en) * | 2007-11-06 | 2013-05-15 | 希姆通信息技术(上海)有限公司 | Method and apparatus for charging dual-core mobile phone in power-off state and processing power-on problem caused by charging |
CN101287242B (en) * | 2008-05-29 | 2011-01-19 | 德信无线通讯科技(北京)有限公司 | Video method and system for mobile phone camera |
CN101510179B (en) * | 2009-03-17 | 2013-01-16 | 中兴通讯股份有限公司 | Signal transmission apparatus and method |
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CN102655025A (en) * | 2011-03-04 | 2012-09-05 | 安凯(广州)微电子技术有限公司 | System and method for burning baseband chip in double chip scheme |
CN102523277A (en) * | 2011-12-09 | 2012-06-27 | 中兴通讯股份有限公司 | Method for upgrading terminal platform version and system thereof |
CN102523277B (en) * | 2011-12-09 | 2018-03-23 | 中兴通讯股份有限公司 | A kind of method and system of terminal platform edition upgrading |
CN106789164A (en) * | 2016-11-24 | 2017-05-31 | 努比亚技术有限公司 | A kind of network parameter update method, the network equipment and mobile terminal |
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