CN103533435A - Set-top box with two systems and double-system communication method - Google Patents
Set-top box with two systems and double-system communication method Download PDFInfo
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- CN103533435A CN103533435A CN201310482388.9A CN201310482388A CN103533435A CN 103533435 A CN103533435 A CN 103533435A CN 201310482388 A CN201310482388 A CN 201310482388A CN 103533435 A CN103533435 A CN 103533435A
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Abstract
The embodiment of the invention discloses a set-top box with two systems and a double-system communication method. Functions of a DVB (digital video broadcasting) system and an Android system can be realized at the same time on the set-top box by designing the DVB system and the Android system on a Linux system, wherein the DVB system and the Android system run at the same time. The method comprises the following steps that S1, the Android system receives and analyzes a control request sent by control equipment to obtain an analyzing result; S2, when the analyzing result is that the function of the Android system is requested, the step S3 is performed, and when the analyzing result is that the function of the DVB system is requested, the steps S4 to S6 are performed; S3, the Android system finishes the function of the Android system according to the analyzing result; S4, the Android system sends the analyzing result to the DVB system; S5, a main module of the DVB system analyzes the analyzing result to obtain a control command; S6, the main module judges whether the control command accords with a preset rule or not, if so, a corresponding sub module is executed according to the control command and an executing result is fed back, and otherwise, error information is returned.
Description
Technical field
The embodiment of the present invention relates to banknote identification field, is specifically related to a kind of Set Top Box and dual system communication means with dual system.
Background technology
In recent years, under the flourish promotion of electronic technology, on the continuous application of many new technologies and top box of digital machine, make the function of top box of digital machine become rich and varied, high-end Set Top Box has realized the service functions such as Internet video broadcasting, video push, media play and home entertaining, the top box of digital machine that has occurred carrying the Android operating system of main flow, user can select to install utility application.These make top box of digital machine be expected to develop into home media center.
Current most Android digital TV set-top box on the market, great majority are orientated IPTV digital TV set-top box as, can only playing network videos, do not possess DVB function, and it is simply imperfect to possess DVB function machine top box DVB function.Whether existing Set Top Box, be the DVB function of not supporting the shared Set Top Box of external equipment of Android system simultaneously.
Thereby when user need to use Android systemic-function and DVB function simultaneously, just need to possess two Set Top Box of carrying different system simultaneously, and need constantly according to function, to switch, this just brings very large inconvenience to user.
Summary of the invention
The embodiment of the present invention provides a kind of Set Top Box and dual system communication means with dual system, and DVB system and Android system by linux system, design moves simultaneously can realize DVB function and Android systemic-function in Set Top Box simultaneously.
The Set Top Box with dual system that the embodiment of the present invention provides, comprises DVB system and Android system;
Described DVB system and described Android system run on linux system;
Described DVB system is used for realizing DVB function;
Described Android system is for realizing Android systemic-function and for the described Set Top Box with dual system provides system operation interface, and when receiving the request of DVB function to described DVB system request DVB function.
Alternatively,
Network communication mode and the described DVB system interaction of described Android system Adoption Network socket (Socket) programming.
The dual system communication means that the embodiment of the present invention provides, is dual system communication means in the Set Top Box with dual system described in claim 1 or 2, comprising:
The control request that S1:Android system receives and analysis and Control equipment sends, obtains analysis result;
S2: when described analysis result is request Android systemic-function, execution step S3, when described analysis result is request DVB systemic-function, performs step S4 to S6;
S3: described Android system completes Android systemic-function according to described analysis result;
S4: described Android system sends described analysis result to DVB system;
S5: the primary module of described DVB system is resolved described analysis result, controlled order;
S6: described primary module judges whether described control command meets preset rules, if carry out corresponding submodule and return to execution result according to described control command, otherwise returns to error message.
Alternatively,
Described control appliance comprises remote controller, smart mobile phone or panel computer.
Alternatively,
Described control command comprises seven fields, and wherein the first field represents sub-module name, and the second field is decollator, the 3rd field is command type, and the 4th field is decollator, and the 5th field is command context, the 6th field is decollator, and the 7th field is check sum code.
Alternatively,
Described in step, judge described control command meets whether preset rules comprises:
Described primary module calculates data package size in described control command, obtains result of calculation;
Described primary module judges whether described check sum code equals described result of calculation, if determine that described control result meets preset rules, otherwise determines that described control result does not meet preset rules.
Alternatively,
Described in step, according to described control command, carry out corresponding submodule and return to execution result and comprise:
K1: described primary module judges whether the submodule of indicating in described control command exists, if execution step K3 and K4, otherwise execution step K2;
K2: described primary module returns to the non-existent object information of module;
K3: described primary module sends described command type and described command context to described submodule;
K4: described submodule obtains and preserve the request address of preserving in described primary module according to described control command;
K5: described submodule judges that whether described command type is correct, if execution step K7, otherwise execution step K6;
K6: return command error message;
K7: described submodule judges that whether described command context is correct, if execution step K7 and step K 8, otherwise execution step K5;
K8: described submodule is carried out corresponding content according to described command context, obtains execution result;
K9: described submodule returns to described execution result according to described request address.
In the embodiment of the present invention, the control request that first Android system receives and analysis and Control equipment sends, obtains analysis result; When described analysis result is request Android systemic-function, described Android system completes Android systemic-function according to described analysis result; When described analysis result is request DVB systemic-function, described Android system sends described analysis result to DVB system, follow the primary module of described DVB system and resolve described analysis result, controlled order, last described primary module judges whether described control command meets preset rules, if carry out corresponding submodule and return to execution result according to described control command, otherwise returning to error message.Set Top Box and dual system communication means due to the embodiment of the present invention, DVB system and the Android system of operation simultaneously on linux system, have been designed, simultaneously Android system provides system operation interface for Set Top Box of the present invention, can realize easily Android systemic-function, and can be when receiving the request of DVB function by Android system and DVB system, communicate by letter to realize DVB function.
Accompanying drawing explanation
Fig. 1 is the Set Top Box example structure schematic diagram in the embodiment of the present invention with dual system;
Fig. 2 is dual system communication means the first embodiment flow chart in the embodiment of the present invention;
Fig. 3 is dual system communication means the second embodiment flow chart in the embodiment of the present invention;
Fig. 4 is the details flow chart of step 306 in dual system communication means the second embodiment in the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of Set Top Box and dual system communication means with dual system, and DVB system and Android system by linux system, design moves simultaneously can realize DVB function and Android systemic-function in Set Top Box simultaneously.
Digital video broadcasting (DVB, Digital Video Broadcasting) is the Digital Television Open Standard by a series of international recognitions of DVB project maintenance.The transmission system of its standard is divided into source encoding and decoding (Source Coding) and channel coding/decoding (Channel Coding) two parts.
Launcher program: the desktop start-up routine of Android system, the main interface for example entering after android mobile phone and dull and stereotyped start is exactly launcher program.
Socket: so-called " socket " is a kind of Interprocess Communication Mechanism, for describing IP address and port.
Refer to Fig. 1, the Set Top Box embodiment in the embodiment of the present invention with dual system comprises:
DVB system and Android system;
DVB system and Android system run on linux system;
DVB system is used for realizing DVB function;
Android system is for realizing Android systemic-function and provide system operation interface for having the Set Top Box of dual system, and when receiving the request of DVB function to DVB system request DVB function.
In the embodiment of the present invention, the Set Top Box embodiment with dual system comprises: DVB system and Android system, and DVB system and Android system run on linux system simultaneously.Wherein DVB system can realize digital television function, and DVB system, by calling hardware resource relevant to Digital Television in Set Top Box, can provide digital television service for user; Android system can realize Android systemic-function, can most of android application program be installed voluntarily for user.It should be noted that, the service routine that above-mentioned DVB system is running background, direct and user realizes alternately, while only having user to ask the service of DVB function by client-side program to it, for client provides DVB function services.
The program that first Android system default moves is commonly referred to as Launcher program, for system operation interface is provided.In embodiments of the present invention, the primary Launcher program of Android system is redesigned as set-top box menu interface program.After above-mentioned set-top box menu interface program enters, it is not the primary the same main interface of similar mobile phone, but play-over TV programme, and when by Android systemic-function Menu key, just can eject the menu of oneself developing, in menu, can find the various android application programs of installation.
Alternatively,
Network communication mode and the DVB system interaction of Android system Adoption Network socket (Socket) programming.
Between Android system and DVB system communicate by letter can Adoption Network socket (Socket) programming network communication mode, when using DVB system as a service routine, utilize the advantage of the network communication mode of web socket (Socket) programming to be: set-top box menu interface program and service routine are to operate in same the program in Set Top Box, the IP address of using while communicating by letter between them is the machine loopback address, can be for example 127.0.0.1, just the port of two program uses is different, belong to intercommunication, therefore in the situation that having or not network, be all can proper communication, if and in the situation that having network, for example, under local area network (LAN), developing operation externally equipment for example the menu interface program in mobile phone, flat board, PC equally can be by identical agreement, can be Socket agreement in the present invention, carry out PERCOM peripheral communication with the DVB system in Set Top Box, make the external equipments such as mobile phone, flat board, PC can realize DVB function, realize on mobile phone, flat board and see TV programme.Concrete, under local area network (LAN), develop the menu interface program on equipment externally, for example operate in the menu interface program on mobile phone or flat board, can directly with the DVB system in Set Top Box, carry out PERCOM peripheral communication by network and Socket agreement, to the service of its request DVB function, DVB system is returned to request results to external equipment after receiving the request of DVB function, and to Android system, does not return to request results.Searching programs for example, DVB interface program on panel computer is by sending searching request to Set Top Box, and the required frequency point information of subsidiary search, after having searched for, Set Top Box will search programme information and send to panel computer, and panel computer only need be presented at the programme information returning on screen at interface.When broadcast program, DVB system is that video data is outputed on a network port of the DVB interface program on panel computer, and the DVB interface program on panel computer takes out video data from this port, then plays back.
In the embodiment of the present invention, the Set Top Box embodiment with dual system comprises: DVB system and Android system; DVB system and Android system run on linux system; DVB system is used for realizing DVB function; Android system is for realizing Android systemic-function and provide system operation interface for having the Set Top Box of dual system, and when receiving the request of DVB function to DVB system request DVB function.The Set Top Box with dual system due to the embodiment of the present invention, DVB system and the Android system of operation simultaneously on linux system, have been designed, simultaneously Android system provides system operation interface for Set Top Box of the present invention, can realize easily Android systemic-function, and can be when receiving the request of DVB function by Android system and DVB system, communicate by letter to realize DVB function.
Introduced the Set Top Box embodiment that the present invention has dual system above, introduced the first embodiment of dual system communication means of the present invention below, referred to Fig. 2, in the embodiment of the present invention, the first embodiment of dual system communication means comprises:
S1, the control request that Android system receives and analysis and Control equipment sends, obtain analysis result;
After the Set Top Box of the embodiment of the present invention is opened and worked, Android system is always in waiting for solicited status, and the control request when control appliance being detected and sending, receives above-mentioned control request and it is resolved, and obtains analysis result.
S2, when analysis result is during for request Android systemic-function, execution step S3, when analysis result is during for request DVB systemic-function, S4 is to S6 for execution step;
After obtaining analysis result, the type of discriminatory analysis result request function, when request function is Android systemic-function, execution step S3, when request function is DVB systemic-function, S4 is to S6 for execution step.
S3, Android system complete Android systemic-function according to analysis result;
After the request function of determining analysis result is Android systemic-function, Android system can complete Android systemic-function according to analysis result, such as carrying out the each side operations such as the installation of Android application program, operation or unloading.
S4, Android system send analysis result to DVB system;
After the request function of determining analysis result is DVB systemic-function, Android system sends the control command in analysis result to DVB system.What above-mentioned control command characterized is that control appliance is wished the function that DVB system realizes.
The primary module analytic results of S5, DVB system, controlled order;
After DVB system receives control command, the primary module of DVB system is resolved above-mentioned analysis result, and controlled order.The resolution rules that the primary module of above-mentioned DVB system is resolved above-mentioned analysis result can be preset at Set Top Box inside, also can in receiving and analyzing result, together receive, and does not limit herein.
S6, primary module judge whether control command meets preset rules, if carry out corresponding submodule and return to execution result according to control command, otherwise return to error message.
After the controlled order of primary module, can judge whether control command meets preset rules, if carry out corresponding submodule and return to execution result according to control command, otherwise return to error message.Above-mentionedly judge whether control command meets preset rules and can comprise the judgement to control command form.
In the embodiment of the present invention, the control request that first Android system receives and analysis and Control equipment sends, obtains analysis result; When analysis result is request Android systemic-function, execution step S3, Android system completes Android systemic-function according to analysis result; When analysis result is request DVB systemic-function, Android system sends analysis result to DVB system, follows the primary module analytic results of DVB system, controlled order; Last primary module judges whether control command meets preset rules, if carry out corresponding submodule and return to execution result according to control command, otherwise returns to error message.Dual system communication means due to the embodiment of the present invention, DVB system and the Android system of operation simultaneously on linux system, have been designed, simultaneously Android system provides system operation interface for Set Top Box of the present invention, can realize easily Android systemic-function, and can be when receiving the request of DVB function by Android system and DVB system, communicate by letter to realize DVB function.
The first embodiment of dual system communication means of the present invention has been done to simple description above, introduced the second embodiment of dual system communication means of the present invention below, referred to Fig. 3, in the embodiment of the present invention, the second embodiment of dual system communication means comprises:
301, the control request that Android system receives and analysis and Control equipment sends, obtains analysis result;
After the Set Top Box of the embodiment of the present invention is opened and worked, Android system is always in waiting for solicited status, and the control request when control appliance being detected and sending, receives above-mentioned control request and it is resolved, and obtains analysis result.
Above-mentioned control appliance can Bao Kuo Away control device, smart mobile phone or panel computer.
302, when analysis result is request Android systemic-function, perform step 303, when analysis result is request DVB systemic-function, perform step 304 to 306;
After obtaining analysis result, the type of discriminatory analysis result request function, when request function is Android systemic-function, performs step 303, when request function is DVB systemic-function, performs step 304 to 306.
303, Android system completes Android systemic-function according to analysis result;
After the request function of determining analysis result is Android systemic-function, Android system can complete Android systemic-function according to analysis result, such as carrying out the each side operations such as the installation of Android application program, operation or unloading.
304, Android system sends analysis result to DVB system;
After the request function of determining analysis result is DVB systemic-function, Android system sends the control command in analysis result to DVB system.What above-mentioned control command characterized is that control appliance is wished the function that DVB system realizes.
The control interface program of DVB system, can be in Set Top Box, also can be on control appliance, can realize the communication function with DVB system by UDP Socket, be that communicating pair sends UDP message bag by Socket and reception UDP message bag is realized transfer of data, only need to know that the other side's Socket address (IP address and port) can send data to the other side.
305, the primary module analytic results of DVB system, controlled order;
After DVB system receives control command, the primary module of DVB system is resolved above-mentioned analysis result, and controlled order.The resolution rules that the primary module of above-mentioned DVB system is resolved above-mentioned analysis result can be preset at Set Top Box inside, also can in receiving and analyzing result, together receive, and does not limit herein.
Control command comprises seven fields, and wherein the first field represents sub-module name, and the second field is decollator, and the 3rd field is command type, and the 4th field is decollator, and the 5th field is command context, and the 6th field is decollator, and the 7th field is check sum code.Above-mentioned decollator is additional character, is specifically as follows newline.
Above-mentioned sub-module name: sub-module name can be character string.DVB system has many different functions, for example program searching, program broadcasting, performance recording, TV guide etc., different functions can be divided into different submodules, when sending request to DVB system, need to indicate the character string of the submodule of request, broadcast program submodule for example, sub-module name is " Play ".
Mentioned order type: command type can be the integer of 4 byte lengths.It is to certain submodule request that command type has indicated for which kind of order.The command type that for example broadcast program module comprises has broadcasting, stops playing, suspends broadcasting, the broadcasting of many pictures etc., after the various command number of being numbered with, by command type, specifies concrete order.
Mentioned order content: command context can be the character string of JSON form.When certain order of request, subsidiary content of parameter.For example during broadcast program, except indicating the command type of broadcast program, also need the parameter that this program is relevant, as parameters such as video PID, audio frequency PID, carrier ID.JSON is a kind of cross-platform data DIF, adopts JSON form transmission data, can make DVB system like a cork with the interprogram communication of different programming languages.
Above-mentioned check sum code: being also checksum, can be the integer of two byte lengths.Statistics to data package size while being assembling datagram.When receiving packet, need to calculate data package size, then by the result of calculating with the comparison of check sum code, if find that both are in different size, show that the packet sending is wrong, then judge whether to need the other side to resend packet.
Whether success for the request of customer in response end, DVB system can add key-strings before the command context of the packet returning, for example work as command context with " ERROR: " at the first bruss, show client-requested failure, and can after the content of following, add the reason of failure; When command context with " SUCCESS: " at the first bruss, show to ask successfully, back to back content can be the data that request is returned.
306, whether primary module judgement control result meets preset rules, if carry out corresponding submodule and return to execution result according to controlling result, otherwise returns to error message.
After the controlled result of primary module, can judge whether control result meets preset rules, if carry out corresponding submodule and return to execution result according to controlling result, otherwise return to error message.Whether above-mentioned judgement control result meets preset rules can comprise controlling the judgement of result form.
The process whether above-mentioned primary module judgement control result meets preset rules can comprise: primary module calculates data package size in control command, obtains result of calculation; Primary module judges whether check sum code equals result of calculation, if determine that controlling result meets preset rules, otherwise determines that controlling result does not meet preset rules.For example check sum code is 24, and it is 21 that primary module calculates data package size in control command, determines that controlling result does not meet preset rules, now can require the other side to resend packet.
As shown in Figure 4, above-mentionedly according to controlling the process that result carries out corresponding submodule and return to execution result, can comprise: K1: primary module judge whether the submodule of indicating in control command exists, if execution step K3 and K4, otherwise perform step K2; K2: primary module returns to the non-existent object information of module; K3: primary module sends command type and command context to submodule; K4: submodule obtains and preserve the request address of preserving in primary module according to control command; K5: submodule judges that whether command type is correct, if execution step K7, otherwise execution step K6; K6: return command error message; K7: submodule judges that whether command context is correct, if execution step K7 and step K 8, otherwise execution step K5; K8: submodule is carried out corresponding content according to command context, obtains execution result; K9: submodule returns to execution result according to request address.
In the embodiment of the present invention, the control request that first Android system receives and analysis and Control equipment sends, obtains analysis result; When analysis result is request Android systemic-function, execution step S3, Android system completes Android systemic-function according to analysis result; When analysis result is request DVB systemic-function, Android system sends analysis result to DVB system, follows the primary module analytic results of DVB system, controlled order; Last primary module judges whether control command meets preset rules, if carry out corresponding submodule and return to execution result according to control command, otherwise returns to error message.Dual system communication means due to the embodiment of the present invention, DVB system and the Android system of operation simultaneously on linux system, have been designed, simultaneously Android system provides system operation interface for Set Top Box of the present invention, can realize easily Android systemic-function, and can be when receiving the request of DVB function by Android system and DVB system, communicate by letter to realize DVB function.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method is to come the hardware that instruction is relevant to complete by program, program wherein can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
Above a kind of Set Top Box and dual system communication means with dual system provided by the present invention is described in detail, for one of ordinary skill in the art, thought according to the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. a Set Top Box with dual system, is characterized in that, comprises DVB system and Android system;
Described DVB system and described Android system run on linux system;
Described DVB system is used for realizing DVB function;
Described Android system is for realizing Android systemic-function and for the described Set Top Box with dual system provides system operation interface, and when receiving the request of DVB function to described DVB system request DVB function.
2. the Set Top Box with dual system according to claim 1, is characterized in that, network communication mode and the described DVB system interaction of described Android system Adoption Network socket (Socket) programming.
3. a dual system communication means, for dual system communication means in the Set Top Box with dual system described in claim 1 or 2, is characterized in that, comprising:
The control request that S1:Android system receives and analysis and Control equipment sends, obtains analysis result;
S2: when described analysis result is request Android systemic-function, execution step S3, when described analysis result is request DVB systemic-function, performs step S4 to S6;
S3: described Android system completes Android systemic-function according to described analysis result;
S4: described Android system sends described analysis result to DVB system;
S5: the primary module of described DVB system is resolved described analysis result, controlled order;
S6: described primary module judges whether described control command meets preset rules, if carry out corresponding submodule and return to execution result according to described control command, otherwise returns to error message.
4. dual system communication means according to claim 3, is characterized in that,
Described control appliance comprises remote controller, smart mobile phone or panel computer.
5. according to the dual system communication means described in claim 3 or 4, it is characterized in that,
Described control command comprises seven fields, and wherein the first field represents sub-module name, and the second field is decollator, the 3rd field is command type, and the 4th field is decollator, and the 5th field is command context, the 6th field is decollator, and the 7th field is check sum code.
6. dual system communication means according to claim 5, is characterized in that, judges described control command meets whether preset rules comprises described in step:
Described primary module calculates data package size in described control command, obtains result of calculation;
Described primary module judges whether described check sum code equals described result of calculation, if determine that described control result meets preset rules, otherwise determines that described control result does not meet preset rules.
7. dual system communication means according to claim 5, is characterized in that, carries out corresponding submodule and return to execution result described in step to comprise according to described control command:
K1: described primary module judges whether the submodule of indicating in described control command exists, if execution step K3 and K4, otherwise execution step K2;
K2: described primary module returns to the non-existent object information of module;
K3: described primary module sends described command type and described command context to described submodule;
K4: described submodule obtains and preserve the request address of preserving in described primary module according to described control command;
K5: described submodule judges that whether described command type is correct, if execution step K7, otherwise execution step K6;
K6: return command error message;
K7: described submodule judges that whether described command context is correct, if execution step K7 and step K 8, otherwise execution step K5;
K8: described submodule is carried out corresponding content according to described command context, obtains execution result;
K9: described submodule returns to described execution result according to described request address.
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