CN101068351B - Mobile terminal digital television data transmitting method - Google Patents
Mobile terminal digital television data transmitting method Download PDFInfo
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- CN101068351B CN101068351B CN2007101061017A CN200710106101A CN101068351B CN 101068351 B CN101068351 B CN 101068351B CN 2007101061017 A CN2007101061017 A CN 2007101061017A CN 200710106101 A CN200710106101 A CN 200710106101A CN 101068351 B CN101068351 B CN 101068351B
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Abstract
A method for transmitting digital TV data of mobile terminal includes setting up logic interface between each hardware communication interface and TCP/IP protocol stack and confirming the corresponding relation of the two, assigning its used logic interface by each TCP/I application when TCP/IP communication interface is started up, using TCP/IP protocol stack to transmit digital TV signal data together with the other TCP/I application data and calling on its receiving function to receive digital TV signal data in TCP/IP application data by corresponding hardware communication port according to corresponding relation of logic interface to hardware communication port.
Description
Technical field
The invention belongs to mobile communication and digital TV field, specifically provide a kind of method, the digital television signal data are incorporated into the ICP/IP protocol stack carry out the subsequent treatment demonstration.
Background technology
Support at present all to include the ICP/IP protocol stack in the communication terminal of data packet services, the physical equipment of its I/O is the wireless telecommunications radio-frequency modules.For the digital television business based on the IP data, the ICP/IP protocol stack is necessary.But the digital television signal data are delivered in the baseband processor by data/address bus modes such as USB, SDIO and SPI after being received by digital TV receiver module.In the present mobile TV solution, will send into the multimedia process chip via the Digital Television that the data/address bus mode is come usually, handle by the player of wherein operation.Because multimedia process chip and application processor are independent, be equivalent to have two to overlap separately independently ICP/IP protocol stack.
As shown in Figure 1, support the digital TV data transmission method figure of Digital Television in the communication terminal of using always in the prior art.Adopt this scheme, physics, software configuration complexity, size of code is big, terminal cost height.
How to realize to have proposed a kind of use the abstract logic interface being provided, the digital TV data of IP form is introduced the ICP/IP protocol stack, realize the multiplexing method of protocol stack, just become present problem demanding prompt solution based on the abstract pattern of physics.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of transmission method of mobile terminal digital television data, when in portable terminal, carrying out the digital television business transmission to solve, prior art physics, software configuration complexity, size of code is big, problems such as terminal cost height.
In order to address the above problem, the invention provides a kind of transmission method of the digital TV data that in portable terminal, carries out, described digital TV data is a kind of broadcast data, only has the path of unidirectional reception in the transmission, may further comprise the steps:
(1) create the logic interfacing that each hardware PORT COM is connected with the ICP/IP protocol stack, and the corresponding relation of definite logic interfacing and hardware PORT COM;
When (2) starting the TCP/IP communication interface, each TCP/IP uses the logic interfacing of specifying its use;
(3) the digital television signal data of IP form are transmitted by the ICP/IP protocol stack with other TCP/IP application data;
(4) by the corresponding relation of logic interfacing and hardware PORT COM, the corresponding hardware PORT COM is called the digital television signal data in its receiving function reception TCP/IP application data;
Method of the present invention, wherein, described hardware PORT COM comprises: radio-frequency module port and bus port; Wherein, described bus port is used for the digital television signal data that transmission is next, imports the multimedia process chip into by this bus port and handles;
Method of the present invention, wherein, described bus port comprises: USB interface, SDIO interface and SPI interface;
Method of the present invention, wherein, described step further comprises in (1): when described ICP/IP protocol stack initialization, the hardware PORT COM that registration is supported, and set up an interface management process, be used for all logic interfacing is managed, comprise: the Access Control List (ACL) of each logic interfacing of initialization and IP address, create logic interfacing, the memory headroom of assignment logic interface, and logic interfacing is joined the route list of ICP/IP protocol stack;
Method of the present invention, wherein, described step further comprises in (2): when starting the TCP/IP communication interface, each TCP/IP uses and specifies its employed logic interfacing, receives, sends data from the relevant hardware PORT COM; When sending data, according to the logic interfacing of indication, call the transmission interface function of relevant hardware PORT COM, send data by physical link layer; When receiving data, wait for from the hardware communication interface of indication obtaining data; Described TCP/IP communication interface is for using described TCP/IP the input/output interface of introducing or deriving the ICP/IP protocol stack;
Method of the present invention, wherein, described step further comprises in (3): digital television signal data or other TCP/IP application data of at first taking out the IP form of needs transmission from data transmit queue buffering, after carrying out validity and validity checking, by the communication interface of ICP/IP protocol stack, data are sent into the ICP/IP protocol stack transmit;
Method of the present invention, wherein, described step further comprises in (4): the digital television signal data judge whether the reception indication of sending at the hardware interface of waiting for the digital television signal data is arranged in logic interfacing after the transmission of ICP/IP protocol stack; If no, then abandon this digital television signal data;
If have, then judge whether data into these port needs according to the corresponding relation of the port numbers of destination address and hardware PORT COM, if, then to distribute, the corresponding hardware PORT COM is called the digital television signal data in its receiving function reception TCP/IP application data; Otherwise abandon this digital television signal data.
The method of comparing and adopting at present, method provided by the invention has and the shared cover ICP/IP protocol stack of application processor, digital television application is used as a kind of common TCP/IP developed, and keeps using accordant interface with other based on TCP/IP.Reduce the technical threshold and the cost of business development.The software complexity and the size of terminal Digital Television have been reduced.When increase supporting a kind of new bus interface, only need to realize this logic interfacing function, be convenient to expansion, be convenient to the quick release of different bus mode product.
Description of drawings
Fig. 1 is the digital TV data transmission method figure that supports Digital Television in the communication terminal of using always in the prior art;
Fig. 2 is a digital television signal transfer of data schematic diagram of supporting the communication terminal of digital television business in the embodiment of the invention;
Fig. 3 is the method flow diagram of the transfer of data of communication terminal in the embodiment of the invention;
Fig. 4 is the flow chart of interface management process in the embodiment of the invention;
Fig. 5 is the initialized flow chart of digital television signal logic interfacing in the embodiment of the invention;
Fig. 6 is the flow chart that the digital television signal data are transmitted in the embodiment of the invention.
Embodiment
The present invention is in order to solve the drawback that conventional solution exists, and the transmission method of further setting forth a kind of terminal TV data of the present invention by following specific embodiment below is described in detail embodiment, but not as a limitation of the invention.
As shown in Figure 2, for supporting the digital television signal transfer of data schematic diagram of the communication terminal of digital television business in the embodiment of the invention.The digital TV data of IP form is used as TCP/IP, used by the TCP/IP communication interface with other and introduce the ICP/IP protocol stack; And between ICP/IP protocol stack and each hardware interface, increase logic interfacing, with the digital TV data that the ICP/IP protocol stack transmits,, choose by the relevant hardware interface and introduce application processor processes through the distribution of logic interfacing.
Step 201: load TCP/IP and use, initialization is also prepared transmission;
Step 202: logic interfacing is set by the interface management process:
Step 203:TCP/IP application data is imported the TCP/IP communication interface into, and described TCP/IP communication interface is for using described TCP/IP the input/output interface of introducing or deriving the ICP/IP protocol stack;
Step 204:TCP/IP application data is sent into the ICP/IP protocol stack and is begun transmission;
Step 205: according to the built-in TCP/IP application and the corresponding relation of hardware interface mode, distribute, pass to corresponding hardware device through logic interfacing;
Corresponding hardware interface receives the data that corresponding TCP/IP uses:
Step 206: radio-frequency module receives the corresponding data that transmits by the radio-frequency module port;
The input of step 207:USB/SDIO bus interface receiving digital television signal is passed to the multimedia process chip and is handled.
As shown in Figure 3, be the method flow diagram of the transfer of data of communication terminal in the embodiment of the invention.May further comprise the steps:
Step 301: the logic interfacing of creating hardware PORT COM and ICP/IP protocol stack;
Step 302:TCP/IP is applied in the logic interfacing of specifying its use when starting the TCP/IP communication interface;
Step 303: the digital television signal data are transmitted by the ICP/IP protocol stack with other TCP/IP application data;
Step 304: by the corresponding relation of destination address in the logic interfacing and hardware PORT COM, the corresponding hardware PORT COM is called the digital television signal data in its receiving function reception TCP/IP application data.
As shown in Figure 4, be the flow chart of interface management process in the embodiment of the invention.Between the driving of ICP/IP protocol stack and each hardware PORT COM, increase a managing process, all logic interfacing is managed.In the initialization procedure of this process, each logic interfacing is carried out initialization.The ICP/IP protocol stack receives data, when sending on the concrete equipment, calls the transmission function of movement of concrete equipment.When receiving ICP/IP protocol stack data, call by needs the receiver function of each concrete equipment.May further comprise the steps:
Step 401: interface management process initiation;
Step 402: the Access Control List (ACL) of each logic interfacing of initialization;
Step 403: the IP address of each logic interfacing of initialization;
Step 404: create each logic interfacing of hardware PORT COM and ICP/IP protocol stack, the storage allocation space;
Step 405: the route list that each logic interfacing is joined the ICP/IP protocol stack;
Step 406: the interface management process finishes.
As shown in Figure 5, be the initialized flow chart of digital television signal logic interfacing in the embodiment of the invention.Digital television signal logic interfacing is used for the data that the digital television signal receiving chip receives are sent to the ICP/IP protocol stack.Because digital television signal is as a kind of broadcast data, have only the data path of unidirectional reception, so this data-interface can be reduced to and only realize the Data Receiving interface, need not realize data transmission interface function.When the digital television signal abstraction interface was initialized, the IP address of this interface of initialization was distributed necessary memory headroom, and this logic interfacing is joined in the routing table of ICP/IP protocol stack.
May further comprise the steps:
Step 501: the reception data queue of initialization digital television signal logic interfacing;
Step 502: the Access Control List (ACL) of initialization digital television signal logic interfacing;
Step 503: the IP address of initialization digital television signal logic interfacing;
Step 504: the internal memory of distribute digital TV signal logic interfacing;
Step 505: the state of digital television signal logic interfacing is set and adds the route list of ICP/IP protocol stack;
Step 506: initialization finishes.
As shown in Figure 6, the flow chart that transmits through the ICP/IP protocol stack for digital television signal data in the embodiment of the invention.The data that the digital television signal receiving chip receives after the transmission of ICP/IP protocol stack, are called the transmission in the digital television signal logic interfacing of representing this hardware interface, import into by SDIO interface (also can be USB, serial ports etc.); In the process of ICP/IP protocol stack transmission, at first from data transmit queue buffering, take out the data that need transmission, after carrying out necessary validity and validity checking,, data are sent into the ICP/IP protocol stack transmit by the input interface of ICP/IP protocol stack; Thereby realized the reception of digital television signal broadcast data, and sent into the ICP/IP protocol stack.Its transfer of data comprises following steps:
Step 601: the digital television signal transfer of data begins;
Step 602: from the data transmit queue, get the digital television signal data that need transmission;
Step 603: the validity of check dight TV signal data and legitimacy;
Step 604: send into the ICP/IP protocol stack;
Step 605: digital television signal DTD.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (7)
1. the transmission method of a digital TV data that in portable terminal, carries out, described digital TV data is a kind of broadcast data, only has the path of unidirectional reception in the transmission, it is characterized in that, may further comprise the steps:
(1) create the logic interfacing that each hardware PORT COM is connected with the ICP/IP protocol stack, and the corresponding relation of definite logic interfacing and hardware PORT COM;
When (2) starting the TCP/IP communication interface, each TCP/IP uses the logic interfacing of specifying its use;
(3) the digital television signal data of IP form are transmitted by the ICP/IP protocol stack with other TCP/IP application data;
(4) according to the corresponding relation of logic interfacing and hardware PORT COM, the corresponding hardware PORT COM is called the digital television signal data in its receiving function reception TCP/IP application data.
2. the method for claim 1 is characterized in that, described hardware PORT COM comprises: radio-frequency module port and bus port; Wherein, described bus port is used for the digital television signal data that transmission is next, imports the multimedia process chip into by this bus port and handles.
3. method as claimed in claim 2 is characterized in that, described bus port comprises: USB interface, SDIO interface and SPI interface.
4. the method for claim 1 is characterized in that, described step further comprises in (1):
When described ICP/IP protocol stack initialization, the hardware PORT COM that registration is supported, and set up an interface management process, be used for all logic interfacing is managed, comprise: the Access Control List (ACL) of each logic interfacing of initialization and IP address, create logic interfacing, the memory headroom of assignment logic interface, and logic interfacing is joined the route list of ICP/IP protocol stack.
5. the method for claim 1 is characterized in that, described step further comprises in (2):
When starting the TCP/IP communication interface, TCP/IP uses and specifies its employed logic interfacing, receives, sends data from the relevant hardware PORT COM; When sending data, according to the logic interfacing of indication, call the transmission interface function of relevant hardware PORT COM, send data by physical link layer; When receiving data, wait for from the hardware communication interface of indication obtaining data;
Described TCP/IP communication interface is for using described TCP/IP the input/output interface of introducing or deriving the ICP/IP protocol stack.
6. the method for claim 1 is characterized in that, described step further comprises in (3):
At first from data transmit queue buffering, take out digital television signal data or other TCP/IP application data of the IP form that need send, after carrying out validity and validity checking, by the communication interface of ICP/IP protocol stack, data are sent into the ICP/IP protocol stack transmit.
7. the method for claim 1 is characterized in that, described step further comprises in (4):
The digital television signal data judge whether the reception indication of sending at the hardware interface of waiting for the digital television signal data is arranged in logic interfacing after the transmission of ICP/IP protocol stack; If no, then abandon this digital television signal data;
If have, then judge whether data into these port needs according to the corresponding relation of the port numbers of destination address and hardware PORT COM, if, then to distribute, the corresponding hardware PORT COM is called the digital television signal data in its receiving function reception TCP/IP application data; Otherwise abandon this digital television signal data.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101061017A CN101068351B (en) | 2007-05-25 | 2007-05-25 | Mobile terminal digital television data transmitting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101061017A CN101068351B (en) | 2007-05-25 | 2007-05-25 | Mobile terminal digital television data transmitting method |
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| CN101068351A CN101068351A (en) | 2007-11-07 |
| CN101068351B true CN101068351B (en) | 2010-06-16 |
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| CN2007101061017A Expired - Fee Related CN101068351B (en) | 2007-05-25 | 2007-05-25 | Mobile terminal digital television data transmitting method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9215283B2 (en) * | 2011-09-30 | 2015-12-15 | Alcatel Lucent | System and method for mobility and multi-homing content retrieval applications |
| CN102802081B (en) * | 2012-07-24 | 2016-03-16 | 四川长虹电器股份有限公司 | The method of virtual peripheral is realized based on Intelligent television terminal and handheld device |
| CN105846863B (en) * | 2016-05-31 | 2019-07-05 | 青岛海信电器股份有限公司 | A kind of operating method and equipment based on bluetooth |
| CN107241402B (en) * | 2017-05-27 | 2020-07-24 | 苏州浪潮智能科技有限公司 | Self-adaptive communication method and system |
Citations (4)
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| CN1668037A (en) * | 2004-03-10 | 2005-09-14 | 浙江大学 | IP network and cable television network merged access method and equipment |
| CN1783997A (en) * | 1999-08-27 | 2006-06-07 | 诺基亚有限公司 | Mobile multimedia terminal for digital video broadcast |
| CN1825968A (en) * | 2006-02-21 | 2006-08-30 | 朱克学 | Receiving and transmitting method for digital mobile broadcasting TV and terminal therefor |
| CN1863212A (en) * | 2006-04-14 | 2006-11-15 | 梅红兵 | Implementing method of distributed middleware system based on IP data network |
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- 2007-05-25 CN CN2007101061017A patent/CN101068351B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1783997A (en) * | 1999-08-27 | 2006-06-07 | 诺基亚有限公司 | Mobile multimedia terminal for digital video broadcast |
| CN1668037A (en) * | 2004-03-10 | 2005-09-14 | 浙江大学 | IP network and cable television network merged access method and equipment |
| CN1825968A (en) * | 2006-02-21 | 2006-08-30 | 朱克学 | Receiving and transmitting method for digital mobile broadcasting TV and terminal therefor |
| CN1863212A (en) * | 2006-04-14 | 2006-11-15 | 梅红兵 | Implementing method of distributed middleware system based on IP data network |
Non-Patent Citations (2)
| Title |
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| 温慧尧，陈晓，李挺屹.DVB在IP机顶盒中的一种实现.微计算机应用第28卷 第2期.2007,第28卷(第2期),150-153页. |
| 温慧尧,陈晓,李挺屹.DVB在IP机顶盒中的一种实现.微计算机应用第28卷 第2期.2007,第28卷(第2期),150-153页. * |
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Granted publication date: 20100616 Termination date: 20160525 |