CN103546422A - Vehicular screen multiplexing system, application method thereof and multimedia interaction system - Google Patents
Vehicular screen multiplexing system, application method thereof and multimedia interaction system Download PDFInfo
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Abstract
The invention provides a vehicular screen multiplexing system based on UPNP (universal plug-n-play), a vehicular screen multiplexing system interaction request transmitting and receiving method and a multimedia interaction system. The vehicular screen multiplexing system comprises vehicular screen master control CPU (central processing unit), a first UPNP service module, a vehicular multimedia module, a vehicular multimedia interaction module and a network communication module. The vehicular screen master control CPU is used for controlling internal data communication of modules in a vehicle and controlling the vehicle to communicate with data outside the vehicle. The first UPNP service module is used for interacting with multimedia information outside the vehicle through UPNP protocols. The vehicular multimedia module is used for providing a preset multimedia service at least having a calling and screen display function. The vehicular multimedia interaction module is used for calling the vehicular multimedia module under control of the vehicular screen master control CPU. The network communication module is used for network connection. By the vehicular screen multiplexing system, using the vehicular screen to perform multimedia interaction, such as calling and phone answering, with terminals outside the vehicle can be achieved.
Description
Technical field
The present invention relates to vehicle mounted multimedia technology, relate in particular to a kind of based on UPNP(Universal Plug and Play, UPnP) vehicle-mounted screen multiplex system and application process and multimedia interactive system.
Background technology
Along with popularizing of automobile, people no longer rest on " luxury goods " or " walking-replacing tool " aspect to the understanding of automobile, the today of day by day accelerating at city life rhythm, people are more and more stronger to the dependence of automobile, car owner needs to be on duty every day, come off duty or spend many time during the journey spends onboard, so a lot of people dial onboard or receive calls, also have a lot of people by vehicle-mounted screen see a film TV, play games or carry out multimedia interaction outward with car.
At present, on automobile, had by vehicle-mounted screen and made a phone call and by vehicle-mounted screen, answer the scheme of the phone outside car to (being outside the car) mobile terminal beyond automobile, wherein, mobile terminal is also mobile communication terminal, refer to the computer equipment that can use in movement, saying of broad sense comprises that mobile phone, notebook, panel computer, POS machine even comprise vehicle-mounted computer.But in most of situation, refer to mobile phone or there is smart mobile phone and the panel computer of multiple application function.
But the present inventor find these methods conventionally need to automobile and with the mobile terminal of automobile interaction on increase hardware, thereby reduced the interactive convenience of automobile and the outer mobile terminal of car, and also improved accordingly interactive cost.
For example, in prior art, conventionally adopt following two kinds of modes: the first, on the basis of mobile phone existing capability, increase FM transmitter module to send call request to onboard system, on automobile, corresponding increase receives the receiver module that FM transmitter module is launched the information of coming simultaneously.The major function of this FM transmitter module be the audio frequency of multimedia file that mobile phone foreground or backstage are play and earpiece with the outside short-distance transmission of FM data, and then realize multimedia interaction function.And regular handset only has FM receiver module, therefore it need to increase FM transmitter module on mobile phone, also need on automobile, increase receiver module.The second, mode by bluetooth makes to connect and converse between automobile and mobile phone, but it needs automobile and mobile phone all to dispose bluetooth module, increased cost, and Bluetooth communication is only applicable to shorter distance, meanwhile, it increases bluetooth module can only call, and there is no other multimedia interaction.To sum up, the automobile of prior art is realized dialing to receive calls with mobile terminal need to be increased module to carry out transfer convenient and swift not, and cost is higher, and meanwhile, its interactive type only limits to call.
Be understandable that, the statement of this part only provides background information related to the present invention, may form or not form so-called prior art.
Summary of the invention
Technical problem to be solved by this invention is for dialing by the vehicle-mounted screen of automobile in prior art and receiving calls convenient and swift not, and the defect that cost is higher, provide a kind of dial receive calls convenient and swift, and lower-cost vehicle-mounted screen multiplex system.
The technical solution adopted for the present invention to solve the technical problems is to provide a kind of vehicle-mounted screen multiplex system based on UPNP, and it comprises vehicle-mounted screen master cpu, a UPNP service module, vehicle mounted multimedia module, vehicle mounted multimedia interactive module and network communication module; Described vehicle-mounted screen master cpu, for controlling in car the internal data communication between described each module and controlling the data communication outside this car and car; A described UPNP service module outward carries out interaction of multimedia information by UPNP agreement and car for this car under the control of described vehicle-mounted screen master cpu; Described vehicle mounted multimedia module, for providing the default multimedia service that at least comprises call and screen display function; Described vehicle mounted multimedia interactive module, for calling described vehicle mounted multimedia module under the control at vehicle-mounted screen master cpu; Described network communication module, sets up for remote-operated network and is connected under the control of vehicle-mounted screen master cpu with outside car for this car.
In above-mentioned vehicle-mounted screen multiplex system, a described UPNP service module comprises: UPNP controlled processing unit, UPNP output unit and UPNP receiving element; Described UPNP controlled processing unit sends operation requests or to control and process the operation requests that receives from the UPNP service module outside car to vehicle-mounted screen master cpu for controlling to process outside car; Described UPNP output unit, for carrying out the instruction of described UPNP controlled processing unit output package and send operation requests by described network communication module outside car according to default command format; Described UPNP receiving element, for being received and resolved and notify described UPNP controlled processing unit from the operation requests outside car and by this operation requests according to default command format by described network communication module.
In above-mentioned vehicle-mounted screen multiplex system, described UPNP service module also comprises log management unit; Described log management unit, under the control at described UPNP controlled processing unit, the operation of initiating outside car according to this car or this car receive from the operation outside car and create interactive log mutual outside this car and car and store described interactive log.
In above-mentioned vehicle-mounted screen multiplex system, described vehicle mounted multimedia module comprises any one or the arbitrarily several combination being selected from lower unit: audio playing unit, video playback unit, broadcast receiver unit, televise unit and global position system GPS unit.
In above-mentioned vehicle-mounted screen multiplex system, described vehicle mounted multimedia interactive module comprises for connecting the interface of described vehicle-mounted screen master cpu and vehicle mounted multimedia module, at least one in described interface support CAN, I2C, SPI, UART and GPIO.
In above-mentioned vehicle-mounted screen multiplex system, described network communication module comprises any one or the arbitrarily several combination being selected from lower unit: built-in wireless wifi network communication unit, built-in 3G (Third Generation) Moblie technology 3G network communication unit and external wifi network communication unit and external 3G network communication unit.
In order better to solve the problems of the technologies described above, the present invention also provides a kind of method that above-mentioned vehicle-mounted screen multiplex system sends interactive request of applying, and it mainly comprises the following steps successively:
User asks to vehicle-mounted screen master cpu by vehicle-mounted screen input is interactive;
Vehicle-mounted screen master cpu sends and the corresponding control command of described interactive request to a UPNP service module according to the interaction request receiving;
The one UPNP service module is changed described control command according to UPNP agreement according to predetermined command format, and its package is sent to network communication module;
Network communication module is sent to by the interaction request according to after UPNP protocol conversion receiving the mobile terminal that interactive request is called out.
In order better to solve the problems of the technologies described above, the present invention also provides a kind of method that above-mentioned vehicle-mounted screen multiplex system receives interactive request of applying, and it mainly comprises the following steps successively:
The one UPNP service module is received from the interaction of mobile terminal and is asked by network communication module;
The one UPNP service module is converted to predetermined command format according to UPNP agreement by the interaction request receiving, and after resolving, transfers to vehicle-mounted screen master cpu;
Vehicle-mounted screen master cpu sends corresponding control command to vehicle mounted multimedia interactive module according to the interaction request after the parsing receiving;
Vehicle mounted multimedia interactive module is connected to call in vehicle mounted multimedia module according to the control command receiving and is asked corresponding multimedia terminal with interaction.
In order better to solve the problems of the technologies described above, the present invention also provides a kind of multimedia interactive system of applying above-mentioned vehicle-mounted screen multiplex system, and it comprises: with the automobile of above-mentioned vehicle-mounted screen multiplex system and with automobile, carry out the mobile terminal with multimedia function of multimedia interaction.
Vehicle-mounted screen multiplex system provided by the invention, it controls the data communication between the mobile terminal of for example mobile phone and so on outside this car and car by vehicle-mounted screen master cpu, and utilize a UPNP service module and vehicle mounted multimedia interactive module can call vehicle mounted multimedia module, thereby just can dial and receive calls by the multi-media module on automobile without increase hardware on automobile and mobile terminal.It need do to realize the multimedia interaction between automobile and mobile terminal in vehicle-mounted on-screen options, and without signal transfer, and its vehicle-mounted screen by automobile is dialed and received calls convenient and swiftly, and cost is lower.
Further, vehicle-mounted screen multiplex system provided by the invention can call vehicle mounted multimedia module by a UPNP service module and vehicle-mounted screen master cpu, can realize the mobile terminals such as automobile and mobile phone and play, sees the more multimedia interactions such as TV.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the vehicle-mounted screen multiplex system of the present invention;
Fig. 2 is the structural representation of a UPNP service module provided by the invention;
Fig. 3 is the structural representation of multimedia interactive system in an embodiment provided by the invention;
Fig. 4 is that the present invention applies the embodiment of the method flow chart that vehicle-mounted screen multiplex system sends interactive request;
Fig. 5 is that the present invention applies the embodiment of the method flow chart that vehicle-mounted screen multiplex system receives interactive request.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Vehicle-mounted screen multiplex system provided by the invention is mainly used in realizing multimedia interaction between the mobile terminal outside automobile and automobile, this system is based on UPNP, can realize without increase mobile terminal hardware just can reach by vehicle-mounted screen and car outward mobile terminal carry multimedia and dial and receive calls.Referring to shown in Fig. 1 to Fig. 3, vehicle-mounted screen multiplex system provided by the invention mainly comprises: vehicle-mounted screen master cpu 1, a UPNP service module 2, vehicle mounted multimedia module 4, vehicle mounted multimedia interactive module 3 and network communication module 5.Vehicle-mounted screen master cpu 1 is the control centre of whole vehicle-mounted screen multiplex system, it is responsible for the internal data communication between scheduling controlling the one UPNP service module 2, vehicle mounted multimedia module 4, vehicle mounted multimedia interactive module 3 and network communication module 5, and control the data communication between the mobile terminal outside this car and car, it is between above-mentioned each inside modules of unified management and the data communication between individual module and outside, it is mainly realized in conjunction with program by single-chip microcomputer, does not repeat them here.Vehicle mounted multimedia module 4 be on automobile self with the parts of multimedia function, it can provide default multimedia service, on automobile, be conventionally at least provided with vehicle-mounted screen, with microphone and the loud speaker of call function, vehicle mounted multimedia module 4 provided by the invention provides the default multimedia service that at least comprises call and screen display function, thereby makes automobile dial or to receive calls with the mobile terminal of for example mobile phone and so on.Vehicle mounted multimedia interactive module 3, for connecting or start the multimedia service of required vehicle mounted multimedia module 4 under the control at vehicle-mounted screen master cpu 1.Network communication module 5, sets up for remote-operated network and is connected under the control of vehicle-mounted screen master cpu 1 with outside car for this car.The instruction of the mobile terminal outside the instruction that the one UPNP service module 2 sends vehicle-mounted master cpu by UPNP agreement and the car receiving is changed and is carried out two-way information interaction, thereby can realize Transmitting of Multi-media Information on automobile and mobile terminal to the other side and share mutual.
In detail as shown in Figure 2, a UPNP service module 2 comprises: UPNP controlled processing unit 21, UPNP output unit 23 and UPNP receiving element 22; UPNP controlled processing unit 21 sends operation requests or to control and process the operation requests that receives from the UPNP service module outside car to vehicle-mounted screen master cpu 1 for controlling to process outside car; UPNP output unit 23, for carrying out the instruction of UPNP controlled processing unit 21 outputs package and send operation requests by network communication module 5 outside car according to default command format; UPNP receiving element 22, for being received and resolved and notify UPNP controlled processing unit 21 from the operation requests outside car and by this operation requests according to default command format by network communication module 5.In concrete enforcement, the one UPNP service module 2 also can comprise log management unit 24, it is under the control at UPNP controlled processing unit 21, the operation of initiating outside car according to this car or this car receive [p1] and create the mutual interactive log of this car and car external information from the operation outside car, and the described interactive log of corresponding storage as required.
UPNP controlled processing unit 21 is control sections of a UPNP service module 2, mainly completes following functions: the first, and it receives after the instruction sending from vehicle-mounted screen master cpu 1, makes corresponding processing and transfers to the mobile terminal that this instruction is called out.The second, when UPNP data having been detected, the data that receive are processed and are transferred to vehicle-mounted screen master cpu 1, if these UPNP data are the data that need to store, these data are stored.
In the present embodiment, vehicle mounted multimedia module 4 at least comprises with call and the multimedia service of screen display function, such as LCD as vehicle-mounted screen, loud speaker as the voice output unit of call, microphone as the Speech input unit of call etc.Preferably, vehicle mounted multimedia module 4 also comprises any one or the arbitrarily several combination being selected from lower unit: audio playing unit, video playback unit, broadcast receiver unit, televise unit and global position system GPS unit.Be vehicle mounted multimedia module except comprising the unit with call and screen display function, also comprise one or both or three kinds or more kinds of multimedia unit in said units, to realize more multimedia function.In addition, its vehicle mounted multimedia module 4 can be also well known in the art other there is the multi-media module that audio frequency and video are play Presentation Function.
Vehicle mounted multimedia interactive module 3 is main to be responsible for vehicle mounted multimedia, hardware devices such as LCD, loud speaker, microphone is connected with the vehicle-mounted screen master cpu in vehicle-mounted screen multiplex system, reaches the object of the hardware devices such as LCD, loud speaker, microphone of using in-vehicle multi-media system.Preferably, vehicle mounted multimedia interactive module 3 comprises for connecting the interface of described vehicle-mounted screen master cpu 1 and vehicle mounted multimedia module 4, this interface is supported CAN (Controller Area Network, controller local area network), I2C(Inter-Integrated Circuit, twin wire universal serial bus), SPI (Serial Peripheral interface, Serial Peripheral Interface), UART (Universal Asynchronous Receiver/Transmitter, Universal Asynchronous Receiver & dispensing device) and GPIO (General Purpose Input Output, universal input/output) at least one in, can better realize like this mutual of vehicle-mounted multimedia and the multimedia messages on mobile terminal.In addition, although in figure and not shown, network communication module 5 can comprise any one or several combination arbitrarily with lower unit: built-in wireless wifi network communication unit, built-in 3G network communication unit and the external wifi network communication unit inserting by USB and external 3G network communication unit etc.
The present invention also provides the multimedia interactive system of applying above-mentioned vehicle-mounted screen multiplex system, and it comprises with the automobile of above-mentioned vehicle-mounted screen multiplex system, with multimedia function, carries out the mobile terminal of multimedia interaction with automobile.Mobile terminal can carry out multimedia interaction with above-mentioned automobile in several ways.Preferably, mobile terminal comprises the 2nd UPNP service module that carries out interaction of multimedia information with a described UPNP service module 2, and it directly carries out information interaction by the UPNP service module 2 on automobile with vehicle mounted multimedia module 4 by UPNP agreement.
The embodiment of detailed multimedia interactive system as shown in Figure 3, in this embodiment, mobile terminal is that (this mobile phone can be the mobile phone outside vehicle body for mobile phone outside car, also can be for being placed in the mobile phone that is independent of car itself in car), by the transmission process of network communication module 5 and a UPNP service module 2, automobile and mobile phone carry out the mutual of information with mobile phone under the control of vehicle-mounted screen master cpu 1.Wherein, vehicle-mounted screen master cpu 1 is connected with each unit respectively as the heart of whole multimedia system.Known in conjunction with above description, in the embodiment shown in Figure 2, UPNP controlled processing unit 21, UPNP output unit 23 and UPNP receiving element 22 still belong to a UPNP service module 2, in addition, multimedia interactive system also comprises flash(flash memory), sdram(synchronous DRAM), rom(read-only memory), for internal storage information; Also comprise the USB that accesses the interface of vehicle-mounted screen master cpu 1 as external memory unit.In the parts of above-mentioned storage and the data storage card configuring thereof, can load the multi-medium datas such as music, video, picture, game, for multimedia system, use vehicle mounted multimedia module 4 to comprise loud speaker, LCD and microphone, vehicle-mounted screen master cpu 1 is controlled 3 scheduling of vehicle mounted multimedia interactive module and is used the resource in vehicle mounted multimedia module 4.LCD is display module, and UPNP director data is presented in face of user with the form at visualized operation interface, and LCD just can have the function of input module concurrently with touch screen function in the situation that simultaneously.In addition, vehicle mounted multimedia module 4 can also comprise broadcast receiver, audio amplifier, TV, GPS, CD/VCD, MP3 etc.
Particularly, in one embodiment, for the regular removing of above-mentioned UPNP document daily record, can be set according to demand by user the checkout time of daily record, 24 these checkout times of setting according to user of log management unit are regularly removed daily record.In the case, if user does not set above-mentioned checkout time, system can provide the checkout time of an acquiescence.Further, when the checkout time of acquiescence or the checkout time arrival of user's setting, system is prepared to remove while recording, and can inquire whether user removes, to guarantee that user preserves interested record.
Meanwhile, any one screen in the screen of operating handset or vehicle-mounted screen, mutual by the transmission of data, it is unified that the display frame of two screens can keep.In a word, by available multimedia function, the form with menu shows vehicle-mounted screen multiplex system on vehicle-mounted screen, and its function providing has conventionally: dial, answer, query note, with other mobile terminal shared file, video and game etc.Then, by mobile terminal and vehicle-mounted screen multiplex system, by a UPNP service module 2 and the 2nd UPNP service module, undertaken alternately, vehicle-mounted screen master cpu 1 calls vehicle mounted multimedia resource by vehicle mounted multimedia interactive module 3, so, mobile terminal can reach the object of using vehicle mounted multimedia resource by this vehicle-mounted screen multiplex system; Correspondingly, vehicle mounted multimedia resource also can reach the object of using the multimedia resource on mobile terminal by this vehicle-mounted screen multiplex system.
For the above-mentioned vehicle-mounted screen multiplex system based on UPNP, the present invention also this system of a kind of application of corresponding proposition sends the method for interactive request and receives the method for interactive request, and Fig. 4 and Fig. 5 are respectively the embodiment flow chart of above-mentioned two methods.
The method of applying the interactive request of the vehicle-mounted screen multiplex system transmission of UPNP of the present invention comprises the following steps S301-S304.
S301, user are by interactive the request to vehicle-mounted screen master cpu of vehicle-mounted screen input.
In concrete enforcement, user sends its required interaction by vehicle-mounted screen to vehicle-mounted screen master cpu and asks, for example converse with certain cellphone subscriber shared music video file or together with play games etc.
S302, vehicle-mounted screen master cpu send and the corresponding control command of described interactive request to a UPNP service module according to the interaction request receiving.
S303, a UPNP service module are changed described control command according to UPNP agreement, and its package are sent to network communication module according to predetermined command format.
A this step i.e. UPNP service module is converted to by above-mentioned control command the signal that UPNP agreement can be identified, and its package is sent to network communication module.
S304, network communication module are sent to by the interaction request according to after UPNP protocol conversion receiving the mobile terminal that interactive request is called out.
Network communication module is called out the corresponding mobile terminal of above-mentioned interactive request, completes the process that once sends interactive request, and then, mobile phone users determines whether to receive above-mentioned interactive request.If mobile terminal sends interactive request to car owner, the method that application the present invention is based on the interactive request of vehicle-mounted screen multiplex system reception of UPNP mainly comprises the following steps S401-S404.
S401, a UPNP service module are received from the interaction of mobile terminal and are asked by network communication module.
As long as network communication module is in running order, network communication module can constantly receive the information outside car, when it receives the interaction request of mobile terminal, is about to interactive request and transfers to a UPNP service module.
S402, a UPNP service module are converted to predetermined command format according to UPNP agreement by the interaction request receiving, and after resolving, transfer to vehicle-mounted screen master cpu.
A this step i.e. UPNP service module is converted to by the interaction request of mobile terminal the data message that vehicle-mounted screen master cpu can be identified.
S403, vehicle-mounted screen master cpu send corresponding control command to vehicle mounted multimedia interactive module according to the interaction request after the parsing receiving.
S404, vehicle mounted multimedia interactive module are connected to call in vehicle mounted multimedia module according to the control command receiving and are asked corresponding multimedia terminal with interaction.
Above Fig. 4 and Fig. 5 have summarily described and have utilized vehicle-mounted screen multiplex system to carry out the process of information processing, below in conjunction with concrete application example, its multimedia interactive process are further described in detail.This example is usingd mobile phone and is described as mobile terminal.
Interactive mode one: mobile phone active and the data interaction of vehicle-mounted screen multiplex system.
When user is when mobile phone terminal operates, mobile phone initiatively carries out data interaction with vehicle-mounted screen multiplex system.User is when operating handset, and a UPNP service module of vehicle-mounted screen multiplex system obtains after the data of the interactive request of mobile phone by network communication module, and to this data analysis, the data result after analysis will be transmitted to vehicle-mounted screen master cpu.Now, vehicle-mounted screen master cpu sends instruction to vehicle mounted multimedia interactive module, and vehicle mounted multimedia interactive module receives after the instruction from described CPU, connects and calls required vehicle mounted multimedia resource.
Take subscriber dialing as example, user inputs telephone number at mobile phone terminal, the 2nd UPNP service module on mobile phone carries out package and is sent to the vehicle-mounted screen multiplex system that this number is corresponding dialing instruction, the one UPNP service module of this called vehicle-mounted screen multiplex system captures the dialing instruction of mobile phone by network communication module, the one UPNP service module is judged to be handset dialing event after this dialing instruction being analyzed by UPNP agreement, if keep the words of synchronizeing with this mobile phone event, need to call the LCD of vehicle mounted multimedia resource, loud speaker and microphone.Therefore, a UPNP service module sends the request of calling LCD, loud speaker and microphone in vehicle mounted multimedia module to CPU.Vehicle-mounted screen master cpu receives after the request of a UPNP service module, and the instruction that vehicle mounted multimedia resource is called in transmission is to multimedia interactive module, and the multimedia interactive module that receives master cpu instruction is connected LCD, loud speaker and microphone.Now, car owner can use LCD, loud speaker and the microphone in vehicle mounted multimedia module and mobile phone is conversed and even video call.
Interactive mode two: vehicle-mounted screen multiplex system is initiatively mutual with data in mobile phone.
User is when the vehicle-mounted screen of operation sends interactive request, vehicle-mounted screen master cpu receives interactive request and this request is analyzed, and transmission asks corresponding instruction to a UPNP service module with this interaction, the one UPNP service module receives after the instruction from above-mentioned CPU, the resource of calling mobile phone.
The user's choice menus " dialing " of take is example, and user inputs telephone number on vehicle-mounted screen LCD, and vehicle-mounted screen master cpu is analyzed this interaction request and is judged to be dialer event, if dial, needs the resource of calling mobile phone.Therefore, vehicle-mounted screen master cpu sends the instruction of calling mobile phone resource to a UPNP service module, a UPNP service module that receives the instruction of vehicle-mounted screen master cpu initiatively communicates alternately with mobile phone, now, the one UPNP service module is installed predetermined command format by this interaction request and is changed and its package is sent to network communication module, network communication module is sent to this instruction mobile phone terminal corresponding to interactive request, cellphone subscriber can receive this interaction by the 2nd UPNP service module on mobile phone and ask, and set up the interaction of call with automobile.
Interactive mode three: mobile phone and in-vehicle multi-media system picture keep unified.
After two kinds of interaction models occur shown in above, mobile phone and vehicle-mounted screen multiplex system are carried out alternately, now, if cellphone subscriber sends the interaction request of unified picture, mobile phone and in-vehicle multi-media system picture keep unified, and when user's operating handset LCD, a UPNP service module catches LCD of mobile phone screen event and screen content, these data are passed to vehicle-mounted screen master cpu, and vehicle-mounted screen master cpu sends instruction and calls vehicle-mounted screen to multimedia interactive module; When user operates vehicle mounted multimedia LCD, multimedia interactive module catches vehicle mounted multimedia lcd screen event and screen content, and these data are passed to screen multiplex system CPU, by a UPNP service module, exports to LCD of mobile phone.Above, be equivalent to this mobile phone and have two lcd screens and can use, so, no matter be operating handset LCD or vehicle mounted multimedia LCD, the unification of two LCD displaying contents remains the picture of mobile phone.
Above, the phone that is not limited to mobile phone is dialed function, and the function having on mobile phone all can be used by the operation of vehicle mounted multimedia lcd screen.As user browses message registration or address list, vehicle-mounted screen display mobile phone call history or address list interface portion, now user adds or deletes message registration or address list on vehicle-mounted screen LCD, and mobile phone all can be made respective response.And for example play mobile phone music file, the loud speaker of vehicle mounted multimedia can be exported the sound of music file on mobile phone, the screen LCD of in-vehicle multi-media system shows the Interface Control part that mobile phone music file is play, now user is switched the operations such as upper and lower song, interpolation, deletion at in-vehicle multi-media system screen LCD, and mobile phone all can be made respective response.
The vehicle-mounted screen multiplex system of UPNP provided by the invention, it increases hardware without mobile phone and in-vehicle multi-media system, and the screen that just can operate in-vehicle multi-media system is dialed and receives calls.In addition, mobile phone screen displaying contents can also be mapped on in-vehicle multi-media system screen and show.And, the more multimedia resource on automobile and mobile terminal can also be shared alternately.It is interactive strong, easy and simple to handle, and cost is lower, can increase for people's driving more enjoyment.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
In description of the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a vehicle-mounted screen multiplex system, is characterized in that, comprising: vehicle-mounted screen master cpu, a UPNP service module, vehicle mounted multimedia module, vehicle mounted multimedia interactive module and network communication module;
Described vehicle-mounted screen master cpu, for controlling in car the internal data communication between described each module and controlling the data communication outside this car and car;
A described UPNP service module outward carries out interaction of multimedia information by UPNP agreement and car for this car under the control of described vehicle-mounted screen master cpu;
Described vehicle mounted multimedia module, for providing the default multimedia service that at least comprises call and screen display function;
Described vehicle mounted multimedia interactive module, for calling described vehicle mounted multimedia module under the control at vehicle-mounted screen master cpu;
Described network communication module, sets up for remote-operated network and is connected under the control of vehicle-mounted screen master cpu with outside car for this car.
2. vehicle-mounted screen multiplex system as claimed in claim 1, is characterized in that, a described UPNP service module comprises: UPNP controlled processing unit, UPNP output unit and UPNP receiving element;
Described UPNP controlled processing unit sends operation requests or to control and process the operation requests that receives from the UPNP service module outside car to vehicle-mounted screen master cpu for controlling to process outside car;
Described UPNP output unit, for carrying out the instruction of described UPNP controlled processing unit output package and send operation requests by described network communication module outside car according to default command format;
Described UPNP receiving element, for being received and resolved and notify described UPNP controlled processing unit from the operation requests outside car and by this operation requests according to default command format by described network communication module.
3. vehicle-mounted screen multiplex system as claimed in claim 2, is characterized in that, a described UPNP service module also comprises log management unit;
Described log management unit, under the control at described UPNP controlled processing unit, the operation of initiating outside car according to this car or this car receive from the operation outside car and create interactive log mutual outside this car and car and store described interactive log.
4. vehicle-mounted screen multiplex system as claimed in claim 1, it is characterized in that, described vehicle mounted multimedia module comprises any one or the arbitrarily several combination being selected from lower unit: audio playing unit, video playback unit, broadcast receiver unit, televise unit and global position system GPS unit.
5. vehicle-mounted screen multiplex system as claimed in claim 1, it is characterized in that, described vehicle mounted multimedia interactive module comprises for connecting the interface of described vehicle-mounted screen master cpu and vehicle mounted multimedia module, at least one in described interface support CAN, I2C, SPI, UART and GPIO.
6. vehicle-mounted screen multiplex system as claimed in claim 1, it is characterized in that, described network communication module comprises any one or the arbitrarily several combination being selected from lower unit: built-in wireless wifi network communication unit, built-in 3G (Third Generation) Moblie technology 3G network communication unit and external wifi network communication unit and external 3G network communication unit.
7. a multimedia interactive system, comprise: with the automobile of vehicle-mounted screen multiplex system and carry out the mobile terminal of multimedia interaction with multimedia function with described automobile, it is characterized in that, described vehicle-mounted screen multiplex system is the vehicle-mounted screen multiplex system described in any one in the claims 1 to 6.
8. multimedia interactive system as claimed in claim 7, is characterized in that, described mobile terminal comprises the 2nd UPNP service module, for carrying out interaction of multimedia information with a described UPNP service module.
9. the vehicle-mounted screen multiplex system of application as described in any one in claim 1-6 sends a method for interactive request, comprises the following steps successively:
User asks to vehicle-mounted screen master cpu by vehicle-mounted screen input is interactive;
Vehicle-mounted screen master cpu sends and the corresponding control command of described interactive request to a UPNP service module according to the interaction request receiving;
The one UPNP service module is changed described control command according to UPNP agreement according to predetermined command format, and its package is sent to network communication module;
Network communication module is sent to by the interaction request according to after UPNP protocol conversion receiving the mobile terminal that interactive request is called out.
10. the vehicle-mounted screen multiplex system of application as described in any one in claim 1-6 receives a method for interactive request, comprises the following steps successively:
The one UPNP service module is received from the interaction of mobile terminal and is asked by network communication module;
The one UPNP service module is converted to predetermined command format according to UPNP agreement by the interaction request receiving, and after resolving, transfers to vehicle-mounted screen master cpu;
Vehicle-mounted screen master cpu sends corresponding control command to vehicle mounted multimedia interactive module according to the interaction request after the parsing receiving;
Vehicle mounted multimedia interactive module is connected to call in vehicle mounted multimedia module according to the control command receiving and is asked corresponding multimedia terminal with interaction.
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| CN104731489A (en) * | 2015-04-03 | 2015-06-24 | 电子科技大学 | Privacy protection method for screen transfer application |
| CN105100674A (en) * | 2015-08-17 | 2015-11-25 | 惠州市华阳多媒体电子有限公司 | Video communication system and method based on HUD (Head Up Display) |
| CN106740115A (en) * | 2017-01-22 | 2017-05-31 | 斑马信息科技有限公司 | Automobile instrument and middle control interactive system and method |
| CN108024131A (en) * | 2016-10-28 | 2018-05-11 | 法乐第(北京)网络科技有限公司 | The method and device of the Screen sharing of terminal device and vehicle |
| CN109151745A (en) * | 2018-09-11 | 2019-01-04 | 沈阳美行科技有限公司 | A kind of on-vehicle Bluetooth call display methods and device |
| CN111328042A (en) * | 2018-12-17 | 2020-06-23 | 上海博泰悦臻电子设备制造有限公司 | Vehicle and equipment operation information display method and system thereof |
| CN116389634A (en) * | 2023-03-31 | 2023-07-04 | 奇瑞新能源汽车股份有限公司 | Double-screen interaction system and method for vehicle-mounted sound equipment and mobile phone |
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| CN104731489A (en) * | 2015-04-03 | 2015-06-24 | 电子科技大学 | Privacy protection method for screen transfer application |
| CN104731489B (en) * | 2015-04-03 | 2017-08-25 | 电子科技大学 | A kind of method for secret protection applied suitable for roller blind |
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| CN109151745A (en) * | 2018-09-11 | 2019-01-04 | 沈阳美行科技有限公司 | A kind of on-vehicle Bluetooth call display methods and device |
| CN111328042A (en) * | 2018-12-17 | 2020-06-23 | 上海博泰悦臻电子设备制造有限公司 | Vehicle and equipment operation information display method and system thereof |
| CN111328042B (en) * | 2018-12-17 | 2022-12-27 | 博泰车联网科技(上海)股份有限公司 | Vehicle and equipment operation information display method and system thereof |
| CN116389634A (en) * | 2023-03-31 | 2023-07-04 | 奇瑞新能源汽车股份有限公司 | Double-screen interaction system and method for vehicle-mounted sound equipment and mobile phone |
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