CN101247600B - Device for implementing multi-serial port in multi-module mobile phone system - Google Patents
Device for implementing multi-serial port in multi-module mobile phone system Download PDFInfo
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- CN101247600B CN101247600B CN200810065722XA CN200810065722A CN101247600B CN 101247600 B CN101247600 B CN 101247600B CN 200810065722X A CN200810065722X A CN 200810065722XA CN 200810065722 A CN200810065722 A CN 200810065722A CN 101247600 B CN101247600 B CN 101247600B
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Abstract
The invention disclosed a device for achieving multi-serial multiplexing in a multi-mode mobile phone system, which includes that: an interface simulation submodule and a protocol support submodule; the interface simulation submodule is used for processing an operation request submitted by an application programme, and an operation result returned by the protocol support submodule is returned to the application programme; the protocol support submodule is used for processing the operation request processed by the interface simulation submodule, and the operation result is returned to the interface simulation submodule. The technical scheme of the invention achieves the multi-serial multiplexing in the multi-mode mobile phone system at the same time.
Description
Technical field
The present invention relates to a kind of device of realizing many serial ports, realize the device of many serial ports in the especially a kind of multi mode terminal system.
Background technology
In the design of mobile phone; System is divided into communication subsystem and application subsystem usually; Carry out communication through a global functional serial port between two sub-systems, application subsystem is operated communication subsystem through AT order (AT always is used for the beginning of order, so abbreviate the AT order as).Common serial ports has command mode and two kinds of patterns of data attitude, and both can not exist simultaneously.Solving data is to introduce MUX (multiplexed) with the concurrent universal method of order, on a physical channel, sets up a plurality of logical channels, each channel transfer data of different types.
The appearance of multi mode terminal is had higher requirement and difficulty to serial port.MUX is an important agreement among the GSM (Global Sytem Mobile Communication, digital cellular telephone system net), in GSM07.10, this agreement has been done detailed description.Its groundwork is to be modeled to a plurality of serial ports to a serial ports.Yet in the multi mode terminal system, each wireless module uses a serial ports and application subsystem to communicate respectively.For realize and communication subsystem between operate as normal, application subsystem just must be respectively each wireless module provides a MUX module to carry out multiplexing to corresponding serial ports.There is following problem in simple like this duplicating: at first, cause resource waste, especially in the nervous relatively embedded device of this resource of mobile phone, any resource all need obtain using fully efficiently; Secondly, limited the extensibility of equipment, for later further expanding of equipment hides some dangers for.
Summary of the invention
The technical problem that the present invention will solve provides the device of realizing many serial ports in a kind of multi mode terminal system, and is multiplexing when having realized in the multi mode terminal system a plurality of serial ports.
The technical solution adopted for the present invention to solve the technical problems is:
Realize the device of many serial ports in a kind of multi mode terminal system, comprising: port emulation submodule and agreement support submodule;
Said port emulation submodule be used to handle the operation requests that application program is submitted to, and the operating result of supporting submodule to return said agreement returns to said application program;
Said agreement is supported submodule, is used to handle the said operation requests after said port emulation submodule is handled, and said operating result is returned to said port emulation submodule.
In the such scheme, said device can move one or more than one agreement support submodule simultaneously, and an agreement supports submodule to serve a serial ports that needs are multiplexing of said port emulation submodule.
In the such scheme, said port emulation submodule is set up corresponding data buffer zone for the virtual serial port equipment interface that wherein needs multiplexing serial ports to comprise.
In the such scheme, said port emulation submodule carries out the transmission of data and order through said virtual serial port equipment interface and said application program.
In the such scheme, the said operation requests encapsulation after said port emulation submodule will be handled is submitted to the processing that said agreement support submodule is waited in corresponding data buffer zone.
In the such scheme, said agreement supports submodule mutual through virtual unit file interface and said port emulation submodule.
In the such scheme, said agreement supports that submodule has encapsulated the GSM07.10 agreement, and the data link channel number of definition is corresponding with the virtual serial port equipment interface number that the multiplexing serial ports of said needs comprises.
In the such scheme, the virtual serial port equipment interface number that the multiplexing serial ports of said needs comprises is 8.
In the such scheme, said agreement supports that submodule carries out physical link through global functional serial port and communication subsystem.
Beneficial effect of the present invention mainly shows: agreement supports that submodule has encapsulated the GSM07.10 agreement in the technical scheme provided by the invention; It is simultaneously multiplexing to use a plurality of agreements to support submodule to realize a plurality of serial ports; Solve the resource redundancy problem of multi mode terminal system, made things convenient for the expansion of system.
Description of drawings
Fig. 1 is for realizing the device operation principle sketch map of many serial ports in the multi mode terminal of the present invention system.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further description.
With reference to Fig. 1, realize the device of many serial ports in a kind of multi mode terminal system, comprise that port emulation submodule 103 and agreement support submodule 104, respectively it is carried out detailed description below:
Agreement supports submodule 104 to pass through the mutual of 106 realizations of virtual unit file interface and port emulation submodule 103; After the read operation request; GSM07.10 agreement according to wherein encapsulation is handled, and operating result is returned to port emulation submodule 103, simultaneously; Agreement supports submodule 104 to carry out physical link through global functional serial port 107 and communication subsystem, and the wireless module 108 that provides with communication subsystem carries out communication.
Each agreement supports that data link channel 105 numbers of submodule 104 definition are corresponding with virtual serial port equipment interface 101 numbers that serial ports comprises, is 8.An agreement is supported a serial ports that needs are multiplexing of submodule 104 serve port emulation submodules 103; The i.e. corresponding serial ports of wireless module 108; And; Can move one or more than one agreement simultaneously and support submodule 104, simultaneously n serial ports set up when multiplexing, need move n agreement support submodule 104 simultaneously when needs.Therefore, can be according to concrete applicable cases, the agreement that selection needs supports the quantity of submodule 104 and each agreement to support the serial ports that submodule 104 is served, thereby has increased the use flexibility, has avoided the unnecessary waste of resource.
In application shown in Figure 1, the virtual multiplex channel of each serial ports, promptly virtual serial port equipment interface 101 numbers are 8, needing multiplexing serial ports number is 2.When concrete the application; As long as simple defining needs multiplexing serial ports number just can realize the expansion to module in port emulation submodule 103; Thereby problems such as the wasting of resources that has produced when having solved a plurality of MUX instance of direct application and expansion difficulty have realized simultaneously a plurality of serial ports in the multi mode terminal system being carried out multiplexing effect.
Those skilled in the art can also carry out various modifications to above content under the condition that does not break away from the definite the spirit and scope of the present invention of claims.Therefore scope of the present invention is not limited in above explanation, but confirm by the scope of claims.
Claims (8)
1. realize the device of many serial ports in the multi mode terminal system, it is characterized in that, comprising: port emulation submodule and agreement support submodule;
Said port emulation submodule be used to handle the operation requests that application program is submitted to, and the operating result of supporting submodule to return said agreement returns to said application program;
Said agreement is supported submodule, is used for according to the said operation requests after the said port emulation of the GSM07.10 protocol processes submodule processing of wherein encapsulation, and said operating result is returned to said port emulation submodule;
Said device can move more than one agreement simultaneously and support submodule, and an agreement supports submodule to serve a serial ports that needs are multiplexing of said port emulation submodule.
2. realize the device of many serial ports in the multi mode terminal as claimed in claim 1 system, it is characterized in that: said port emulation submodule is set up corresponding data buffer zone for the virtual serial port equipment interface that the multiplexing serial ports of needs wherein comprises.
3. realize the device of many serial ports in the multi mode terminal as claimed in claim 2 system, it is characterized in that: said port emulation submodule carries out the transmission of data and order through said virtual serial port equipment interface and said application program.
4. realize the device of many serial ports in the multi mode terminal as claimed in claim 3 system, it is characterized in that: the said operation requests encapsulation after said port emulation submodule will be handled is submitted to the processing that said agreement support submodule is waited in corresponding data buffer zone.
5. realize the device of many serial ports in the multi mode terminal as claimed in claim 2 system, it is characterized in that: said agreement supports submodule mutual through virtual unit file interface and said port emulation submodule.
6. realize the device of many serial ports in the multi mode terminal as claimed in claim 5 system; It is characterized in that: said agreement supports that submodule has encapsulated the GSM07.10 agreement, and the data link channel number of definition is corresponding with the virtual serial port equipment interface number that the multiplexing serial ports of said needs comprises.
7. realize the device of many serial ports in the multi mode terminal as claimed in claim 6 system, it is characterized in that: the virtual serial port equipment interface number that the multiplexing serial ports of said needs comprises is 8.
8. realize the device of many serial ports in the multi mode terminal as claimed in claim 7 system, it is characterized in that: said agreement supports that submodule carries out physical link through global functional serial port and communication subsystem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810065722XA CN101247600B (en) | 2008-02-26 | 2008-02-26 | Device for implementing multi-serial port in multi-module mobile phone system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810065722XA CN101247600B (en) | 2008-02-26 | 2008-02-26 | Device for implementing multi-serial port in multi-module mobile phone system |
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| Publication Number | Publication Date |
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| CN101247600A CN101247600A (en) | 2008-08-20 |
| CN101247600B true CN101247600B (en) | 2012-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810065722XA Expired - Fee Related CN101247600B (en) | 2008-02-26 | 2008-02-26 | Device for implementing multi-serial port in multi-module mobile phone system |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101894041A (en) * | 2010-07-15 | 2010-11-24 | 中兴通讯股份有限公司 | Multivirtual serial port system and communication method thereof |
| CN103294630B (en) * | 2013-05-07 | 2015-11-04 | 福建鑫诺通讯技术有限公司 | The method that serial ports is multiplexed is realized in a kind of flush type LINUX system |
| CN104619042A (en) * | 2013-11-04 | 2015-05-13 | 福建鑫诺通讯技术有限公司 | Method and device for realizing GSM0710 protocol in LINUX kernel |
| CN106060012A (en) * | 2016-05-17 | 2016-10-26 | 北京神州绿盟信息安全科技股份有限公司 | Multiplexing method and apparatus |
| CN110675613A (en) * | 2019-10-29 | 2020-01-10 | 广东沅朋网络科技有限公司 | Communication method and device between 4G communication module and metering ammeter, computer equipment and storage medium |
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| US6058433A (en) * | 1996-07-23 | 2000-05-02 | Gateway 2000, Inc. | System and method for providing increased throughput through a computer serial port to a modem communications port |
| CN2842941Y (en) * | 2005-11-16 | 2006-11-29 | 中兴通讯股份有限公司 | GSM/PHS double-mode submachine series interface debugging information output control circuit |
| CN2842887Y (en) * | 2005-05-23 | 2006-11-29 | 海尔集团公司 | Multi plexing communication interface circuit |
| CN101035343A (en) * | 2007-04-24 | 2007-09-12 | 中兴通讯股份有限公司 | Multi-mode mobile phone |
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2008
- 2008-02-26 CN CN200810065722XA patent/CN101247600B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6058433A (en) * | 1996-07-23 | 2000-05-02 | Gateway 2000, Inc. | System and method for providing increased throughput through a computer serial port to a modem communications port |
| CN2842887Y (en) * | 2005-05-23 | 2006-11-29 | 海尔集团公司 | Multi plexing communication interface circuit |
| CN2842941Y (en) * | 2005-11-16 | 2006-11-29 | 中兴通讯股份有限公司 | GSM/PHS double-mode submachine series interface debugging information output control circuit |
| CN101035343A (en) * | 2007-04-24 | 2007-09-12 | 中兴通讯股份有限公司 | Multi-mode mobile phone |
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| 刘洲洲,张捷.基于虚拟多通道的嵌入式Linux无线通讯模组设计与实现.《西南民族大学学报》.2006,第32卷(第4期),842－846. * |
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| CN101247600A (en) | 2008-08-20 |
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