CN103738265A - Mobile terminal and car machine interconnection method and car machine - Google Patents

Mobile terminal and car machine interconnection method and car machine Download PDF

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Publication number
CN103738265A
CN103738265A CN201310366909.4A CN201310366909A CN103738265A CN 103738265 A CN103738265 A CN 103738265A CN 201310366909 A CN201310366909 A CN 201310366909A CN 103738265 A CN103738265 A CN 103738265A
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mobile terminal
car machine
control module
main control
information
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CN201310366909.4A
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CN103738265B (en
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李森
梁斌
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Shenzhen Lu Yuan Technology Co., Ltd.
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SHENZHEN TOPEVERY TECHNOLOGY Co Ltd
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Abstract

The invention discloses a mobile terminal and car machine interconnection method and a car machine. The interconnection method includes the steps of building wireless connection between a mobile terminal and a master control module in the car machine, enabling a high-definition multimedia interface of the mobile terminal to be connected to the master control module and a data input port of a decoding module, sending screen display information of the mobile terminal to the master control module in a wireless mode through the mobile terminal, sending display interface data of the mobile terminal and corresponding audio signals to the master control module through the high-definition multimedia interface in the high-definition audio and video data format in real time, decoding received high-definition audio and video data through the decoding module, outputting video signals to a display unit of the car machine to be displayed according to the screen display information, and outputting the audio signals to an audio card of the car machine to be played. According to the mobile terminal and car machine interconnection method and the car machine, the car machine can be interconnected with the mobile terminal, the car machine controls the mobile terminal and displays data information displayed on the mobile terminal, corresponding resources are obtained by the mobile terminal, namely the mobile terminal is used as a core processor, and the advantages of the mobile terminal and the core processor are both achieved.

Description

The interconnected method of mobile terminal and car machine and a kind of car machine
[technical field]
The present invention relates to wireless communication technology field, relate in particular to interconnected method and a kind of car machine of a kind of mobile terminal and car machine.
[background technology]
Car machine is a kind of appellation of vehicle driving computer, driving audio-visual devices or driving GPS, makes a general reference all equipment general names that auxiliary driving, amusement, office etc. can be provided for occupant onboard.
Car navigation device, the GPS that drives a vehicle has been tending towards universal, but there is following problem in most car navigation device:
1, car machine is unfavorable for upgrading navigation map and software;
2, navigation map, without renewal, causes navigational error;
3, car machine navigation cost is very high, with respect to mobile phone navigation, causes cost overlapping investment;
4, car machine function is not abundant, and without communication module.
In order to address the above problem, a lot of people use mobile phone in car, and the application of mobile phone on automobile mainly exists following problem:
1, screen is very little;
2, sound only limits to sound of mobile phone, can't hear when driving;
3, standby time is too short, and a battery also just continues navigation about 4 hours;
4, in car without putting position, some driver is placed in car Windshield place by mobile phone, has a strong impact on driving sight line.
[summary of the invention]
The invention provides interconnected method and a kind of car machine of a kind of mobile terminal and car machine, can be by interconnected to car machine and mobile terminal, allow car machine control mobile terminal show the data message showing on mobile terminal, by the corresponding resource of acquisition for mobile terminal, be about to mobile terminal and use as core processor, have both advantages concurrently.
Technical scheme of the present invention is:
An interconnected method for mobile terminal and car machine, comprising:
Set up the wireless connections of the main control module in mobile terminal and car machine, the high-definition media interface of mobile terminal is connected respectively to the data input port of the decoder module in main control module and car machine;
Mobile terminal is wirelessly sent to main control module by its screen display information, in real time its display interface data and corresponding sound signal is sent to main control module or decoder module with the form of high resolution audio and video data by high-definition media interface; Or will after its display interface data compression, be wirelessly sent to main control module with corresponding sound signal;
By main control module, to the high resolution audio and video decoding data receiving, the display unit that vision signal is outputed to car machine according to screen display information shows, the sound card that sound signal is outputed to car machine is play; Or, high resolution audio and video decoding data by decoder module to reception, the screen display information receiving according to main control module outputs to vision signal the display driver of car machine, by display driver, drives the display unit of car machine to show, the sound card that sound signal is outputed to car machine is play; Or, by main control module, the display interface data and the sound signal that receive to be decoded, the display unit that vision signal is outputed to car machine according to screen display information shows, the sound card that sound signal is outputed to car machine is play;
Main control module receives the control information of user's input, judges that this control information is to control car machine or mobile terminal;
If control car machine, this control information is sent to other performance elements of car machine; If control mobile terminal is converted to corresponding wireless control signal by this control information and sends to mobile terminal, mobile terminal is carried out corresponding operating according to this wireless control signal.
A kind of car machine, comprising: main control module, decoder module, input block, display driver, display unit and sound card;
Main control module and mobile terminal wireless connections, the high-definition media interface of mobile terminal is connected with the data input port of main control module and decoder module respectively;
Mobile terminal is wirelessly sent to main control module by its screen display information, in real time its display interface data and corresponding sound signal is sent to main control module or decoder module with the form of high resolution audio and video data by high-definition media interface; Or will after its display interface data compression, be wirelessly sent to main control module with corresponding sound signal;
By main control module, to the high resolution audio and video decoding data receiving, according to screen display information, vision signal is outputed to display unit and show, sound signal is outputed to sound card and play; Or, high resolution audio and video decoding data by decoder module to reception, the screen display information receiving according to main control module outputs to display driver by vision signal, by display driver, drives display unit to show, sound signal is outputed to sound card and play; Or, by main control module, the display interface data and the sound signal that receive are decoded, according to screen display information, vision signal is outputed to display unit and show, sound signal is outputed to sound card and play;
Main control module receives the control information that user inputs by input block, judges that this control information is to control car machine or mobile terminal;
If control car machine, this control information is sent to other performance elements of car machine; If control mobile terminal is converted to corresponding wireless control signal by this control information and sends to mobile terminal, mobile terminal is carried out corresponding operating according to this wireless control signal.
The interconnected method of mobile terminal of the present invention and car machine, can be by interconnected to car machine and mobile terminal, allow car machine control mobile terminal show the data message showing on mobile terminal, by the corresponding resource of acquisition for mobile terminal, being about to mobile terminal uses as core processor, can adopt the acoustical equipment of car machine, the large and high-fidelity of sound; This car machine can be embedded in (such as the position of GPS) among automobile, is conducive to automobile driver or passenger and uses; Car machine passes through to control mobile terminal, can upgrade at any time navigation map and software, and car machine can no longer increase navigation module, navigation software and map, greatly reduces costs; And can wireless receiving phone, prevent from making a phone call when driving and the traffic accident that causes; By car machine, can also, for mobile terminal charging, can use business all on mobile terminal in addition.
[accompanying drawing explanation]
Fig. 1 is the interconnect architecture figure of mobile terminal of the present invention and car machine;
Fig. 2 is the interconnected method diagram of circuit of mobile terminal of the present invention and car machine.
[specific embodiment]
Below in conjunction with accompanying drawing, specific embodiments of the invention are done to a detailed elaboration.
As Fig. 2, the interconnected method of mobile terminal of the present invention and car machine, comprising:
S101, the wireless connections of setting up the main control module in mobile terminal and car machine, be connected to the high-definition media interface of mobile terminal the data input port of the decoder module in main control module and car machine; The wireless connections that can set up mobile terminal and main control module by bluetooth or Wifi wireless connections mode, this mobile terminal can be the mobile devices such as mobile phone, panel computer;
S102, mobile terminal are wirelessly sent to main control module by its screen display information, in real time its display interface data and corresponding sound signal are sent to main control module or decoder module with the form of high resolution audio and video data by high-definition media interface; Or will after its display interface data compression, be wirelessly sent to main control module with corresponding sound signal;
The screen display information of mobile terminal generally comprises mobile terminal ID, mobile terminal model, mobile terminal display parameter, mobile terminal control parameter etc., with convinent car machine, mobile terminal is controlled and is shown the interface data showing on mobile terminal;
Mobile terminal has three kinds of approach can transmission tone video data, and first 2 kinds is to send by high-definition media interface, and bandwidth ratio is more sufficient, so can in real time its display interface data and corresponding sound signal be sent to main control module or decoder module; The 3rd kind is to pass through transmission over radio;
Mobile terminal is wirelessly sent to main control module by its display interface data and corresponding sound signal, be specifically as follows: mobile terminal is monitored its display interface data, if changed, intercept the display interface data after changing, to be wirelessly sent to main control module with corresponding sound signal in the mode of WIFI after the compression of picture form, can certainly after the display interface data that intercept after changing, first with picture form, be stored in memory device or internal memory, afterwards recompression.The method can reduce volume of transmitted data, certainly, in the satisfiable situation of bandwidth, also can adopt in the following method:
Mobile terminal is several pictures by its display interface data decomposition in real time, and compression one by one, afterwards the picture after compression and corresponding sound signal is wirelessly sent to main control module;
Sound signal is the sound signal of mobile terminal output, and its data volume is smaller, without compression; Main control module is after the picture and sound signal that receive after compression, and the processing of decoding, is reduced to a large amount of pictures, then by the mode of high speed picture playing, vision signal is outputed to display unit and show, sound signal is outputed to sound card and play; Thereby realize demonstration and the audio sync of car machine and mobile terminal;
S103, by main control module to the high resolution audio and video decoding data receiving, the display unit that vision signal is outputed to car machine according to screen display information shows, the sound card that sound signal is outputed to car machine is play; Or, high resolution audio and video decoding data by decoder module to reception, the screen display information receiving according to main control module outputs to vision signal the display driver of car machine, by display driver, drives the display unit of car machine to show, the sound card that sound signal is outputed to car machine is play; Or, by main control module, the display interface data and the sound signal that receive to be decoded, the display unit that vision signal is outputed to car machine according to screen display information shows, the sound card that sound signal is outputed to car machine is play;
By the processing of decoding of main control module or decoder module, be mainly to see mobile terminal sends to audio, video data where; Can certainly set rule, set the preceence that sends data, such as sending to the priority level of main control module high by high-definition media interface, send to the priority level of decoder module to take second place, the priority level that is wirelessly sent to main control module is minimum, so just can send according to setting rule, give the multiple selections of user, meet individual requirements;
The interface data showing on energy instant playback mobile terminal on this sample car machine, basic maintenance, synchronizes with the demonstration of mobile terminal;
S104, main control module receive the control information of user's input, judge that this control information is to control car machine or mobile terminal; In car machine, be generally provided with the input equipments such as touch-screen, by this touch-screen, can facilitate user's input control information;
The control information of master control module judges user's input is to control car machine or mobile terminal, is specifically as follows: when the current display interface that car machine detected is car machine interface or car machine control button, be judged as the car machine of controlling; Otherwise, be judged as control mobile terminal;
S105, if control car machine, sends to this control information other performance elements of car machine; By other performance elements of car machine, carry out corresponding operation;
S106, if control mobile terminal, is converted to corresponding wireless control signal by this control information and sends to mobile terminal, and mobile terminal is carried out corresponding operating according to this wireless control signal; Such as playing phone, navigation map, software, entertainment information etc. are obtained in upgrading, or open the audio, video data, documentation etc. of mobile terminal storage inside.This wireless control signal includes but not limited to the control signals such as Wifi or bluetooth;
Now, because mobile terminal sends to main control module or decoder module with the form of high resolution audio and video data by high-definition media interface by its display interface data in real time, the interface data showing on now can instant playback mobile terminal on car machine, such as demonstration plays telephone interface, navigation map, entertainment information or plays the audio, video data, documentation etc. of mobile terminal storage inside.Realize car machine control mobile terminal and show the interface data showing on mobile terminal, by the corresponding resource of acquisition for mobile terminal, being about to mobile terminal and using as core processor.
Wherein, step S101, the wireless connections of setting up the main control module in mobile terminal and car machine, be connected respectively to the high-definition media interface of mobile terminal the data input port of the decoder module in main control module and car machine, is specifically as follows:
Detect that mobile terminal HDMI/MHL line inserts;
While receiving mobile terminal link information, car machine messaging parameter is set to the interconnected parameter of corresponding mobile terminal, and car machine display interface is switched to the interconnected interface of mobile terminal;
By WiFi or bluetooth, to mobile terminal, send and start the instruction of mobile terminal interconnecting function;
That by WiFi or bluetooth mobile terminal receive, returns can two-way control information;
If receive successfully, in the interconnected successful information of the interconnected interface display mobile terminal of mobile terminal, otherwise in the interconnected failed information of the interconnected interface display mobile terminal of mobile terminal.
This concrete grammar, when mobile terminal is opened WiFi or bluetooth and car machine and is provided with the interconnected parameter of acquiescence mobile terminal, once car machine examination, having measured acquiescence mobile terminal HDMI/MHL line inserts and mobile terminal link information, automatically the communications parameter of the interconnected parameter of mobile terminal as car machine will be given tacit consent to, and open interconnecting function by WiFi or bluetooth notification mobile terminal, realize two-way control, reach car machine and current mobile terminal one key interconnected object automatically, efficiently, convenient, user experiences.
When not receiving mobile terminal link information, car machine messaging parameter is set to give tacit consent to the interconnected parameter of mobile terminal, is switched to the interconnected interface of mobile terminal, shows and opens WiFi or Bluetooth function information and wait standby communication terminal to access.
These high resolution audio and video data can be HDMI/MHL audio, video data, and high-definition media interface can be HDMI/MHL interface.HDMI/MHL is HDMI, can support 1080P or above high-resolution to show.The mobile terminals such as current most of mobile phone are all with MHL or HDMI interface, and these two kinds of different interfaces, still can transform mutually.
As can be seen here, the present invention can be by interconnected to car machine and mobile terminal, allows car machine control mobile terminal show the data message showing on mobile terminal, by the corresponding resource of acquisition for mobile terminal, be about to mobile terminal and use as core processor, have both advantages concurrently.
In addition, main control module, also for receiving the control edit file to display interface data, is processed the display interface data that receive according to this control edit file; Main control module can be modified and control the display interface data that receive, and has great convenience for the user to use.
As shown in Figure 1, corresponding with the interconnected method of mobile terminal with car machine described above, the invention also discloses a kind of car machine, it comprises: main control module, decoder module, input block, display driver, display unit and sound card;
Main control module and mobile terminal wireless connections, the high-definition media interface of mobile terminal is connected with the data input port of main control module and decoder module respectively;
Mobile terminal is wirelessly sent to main control module by its screen display information, in real time its display interface data and corresponding sound signal is sent to main control module or decoder module with the form of high resolution audio and video data by high-definition media interface; Or will after its display interface data compression, be wirelessly sent to main control module with corresponding sound signal;
By main control module, to the high resolution audio and video decoding data receiving, according to screen display information, vision signal is outputed to display unit and show, sound signal is outputed to sound card and play; Or, high resolution audio and video decoding data by decoder module to reception, the screen display information receiving according to main control module outputs to display driver by vision signal, by display driver, drives display unit to show, sound signal is outputed to sound card and play; Or, by main control module, the display interface data and the sound signal that receive are decoded, according to screen display information, vision signal is outputed to display unit and show, sound signal is outputed to sound card and play;
Main control module receives the control information that user inputs by input block, judges that this control information is to control car machine or mobile terminal;
If control car machine, this control information is sent to other performance elements of car machine; If control mobile terminal is converted to corresponding wireless control signal by this control information and sends to mobile terminal, mobile terminal is carried out corresponding operating according to this wireless control signal.
In addition, described car machine can also comprise:
HDMI/MHL detection module, inserts for detection of mobile terminal HDMI/MHL line;
Terminal connection detection module, for detection of mobile terminal link information;
Processing module, for when terminal connection detection module detects mobile terminal link information, car machine display interface is switched to the interconnected interface of mobile terminal, and car machine messaging parameter is set to the interconnected parameter of corresponding mobile terminal;
Control module, for sending and start the instruction of mobile terminal interconnecting function to mobile terminal by WiFi or bluetooth, and by WiFi or bluetooth mobile terminal receive, return can two-way control information, and by WiFi or bluetooth, receive that mobile terminal returns can two-way control information time, in the interconnected successful information of the interconnected interface display mobile terminal of mobile terminal.
Described terminal connection detection module, also for when not detecting and receiving mobile terminal link information, be switched to the interconnected interface of mobile terminal, car machine messaging parameter is set to give tacit consent to the interconnected parameter of mobile terminal, shows and opens WiFi or Bluetooth function information and wait standby communication terminal to access.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any modification 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 claim protection domain of the present invention.

Claims (10)

1. an interconnected method for mobile terminal and car machine, is characterized in that, comprising:
Set up the wireless connections of the main control module in mobile terminal and car machine, the high-definition media interface of mobile terminal is connected respectively to the data input port of the decoder module in main control module and car machine;
Mobile terminal is wirelessly sent to main control module by its screen display information, in real time its display interface data and corresponding sound signal is sent to main control module or decoder module with the form of high resolution audio and video data by high-definition media interface; Or will after its display interface data compression, be wirelessly sent to main control module with corresponding sound signal;
By main control module, to the high resolution audio and video decoding data receiving, the display unit that vision signal is outputed to car machine according to screen display information shows, the sound card that sound signal is outputed to car machine is play; Or, high resolution audio and video decoding data by decoder module to reception, the screen display information receiving according to main control module outputs to vision signal the display driver of car machine, by display driver, drives the display unit of car machine to show, the sound card that sound signal is outputed to car machine is play; Or, by main control module, the display interface data and the sound signal that receive to be decoded, the display unit that vision signal is outputed to car machine according to screen display information shows, the sound card that sound signal is outputed to car machine is play;
Main control module receives the control information of user's input, judges that this control information is to control car machine or mobile terminal;
If control car machine, this control information is sent to other performance elements of car machine; If control mobile terminal is converted to corresponding wireless control signal by this control information and sends to mobile terminal, mobile terminal is carried out corresponding operating according to this wireless control signal.
2. the interconnected method of mobile terminal according to claim 1 and car machine, it is characterized in that: the wireless connections of setting up the main control module in mobile terminal and car machine, the data input port that the high-definition media interface of mobile terminal is connected respectively to the decoder module in main control module and car machine, is specially:
Detect that mobile terminal HDMI/MHL line inserts;
While receiving mobile terminal link information, car machine messaging parameter is set to the interconnected parameter of corresponding mobile terminal, and car machine display interface is switched to the interconnected interface of mobile terminal;
By WiFi or bluetooth, to mobile terminal, send and start the instruction of mobile terminal interconnecting function;
That by WiFi or bluetooth mobile terminal receive, returns can two-way control information;
If receive successfully, in the interconnected successful information of the interconnected interface display mobile terminal of mobile terminal, otherwise in the interconnected failed information of the interconnected interface display mobile terminal of mobile terminal.
3. the interconnected method of mobile terminal according to claim 2 and car machine, is characterized in that: also comprise step:
When not receiving mobile terminal link information, car machine messaging parameter is set to give tacit consent to the interconnected parameter of mobile terminal, is switched to the interconnected interface of mobile terminal, shows and opens WiFi or Bluetooth function information and wait standby communication terminal to access.
4. according to the mobile terminal described in claim 1 or 2 or 3 and the interconnected method of car machine, it is characterized in that: the control information of master control module judges user's input is to control car machine or mobile terminal, be specially: when the current display interface that car machine detected is car machine interface or car machine control button, be judged as the car machine of controlling; Otherwise, be judged as control mobile terminal.
5. according to the mobile terminal described in claim 1 or 2 or 3 and the interconnected method of car machine, it is characterized in that: mobile terminal will be wirelessly sent to main control module with corresponding sound signal after its display interface data compression, be specially: mobile terminal is several pictures by its display interface data decomposition in real time, and compression one by one, afterwards the picture after compression and corresponding voice data are wirelessly sent to main control module in the mode of WIFI;
Or mobile terminal is monitored its display interface data, if changed, intercept the display interface data after changing, to be wirelessly sent to main control module with corresponding sound signal in the mode of WIFI after the compression of picture form.
6. according to the mobile terminal described in claim 1 or 2 or 3 and the interconnected method of car machine, it is characterized in that: described high resolution audio and video data are HDMI/MHL audio, video data, described high-definition media interface is HDMI/MHL interface.
7. according to the mobile terminal described in claim 1 or 2 or 3 and the interconnected method of car machine, it is characterized in that: described wireless control signal comprises Wifi or Bluetooth control signal.
8. a car machine, is characterized in that, comprising: main control module, decoder module, input block, display driver, display unit and sound card;
Main control module and mobile terminal wireless connections, the high-definition media interface of mobile terminal is connected with the data input port of main control module and decoder module respectively;
Mobile terminal is wirelessly sent to main control module by its screen display information, in real time its display interface data and corresponding sound signal is sent to main control module or decoder module with the form of high resolution audio and video data by high-definition media interface; Or will after its display interface data compression, be wirelessly sent to main control module with corresponding sound signal;
By main control module, to the high resolution audio and video decoding data receiving, according to screen display information, vision signal is outputed to display unit and show, sound signal is outputed to sound card and play; Or, high resolution audio and video decoding data by decoder module to reception, the screen display information receiving according to main control module outputs to display driver by vision signal, by display driver, drives display unit to show, sound signal is outputed to sound card and play; Or, by main control module, the display interface data and the sound signal that receive are decoded, according to screen display information, vision signal is outputed to display unit and show, sound signal is outputed to sound card and play;
Main control module receives the control information that user inputs by input block, judges that this control information is to control car machine or mobile terminal;
If control car machine, this control information is sent to other performance elements of car machine; If control mobile terminal is converted to corresponding wireless control signal by this control information and sends to mobile terminal, mobile terminal is carried out corresponding operating according to this wireless control signal.
9. car machine according to claim 8, is characterized in that, also comprises:
HDMI/MHL detection module, inserts for detection of mobile terminal HDMI/MHL line;
Terminal connection detection module, for detection of mobile terminal link information;
Processing module, for when terminal connection detection module detects mobile terminal link information, car machine display interface is switched to the interconnected interface of mobile terminal, and car machine messaging parameter is set to the interconnected parameter of corresponding mobile terminal;
Control module, for sending and start the instruction of mobile terminal interconnecting function to mobile terminal by WiFi or bluetooth, and by WiFi or bluetooth mobile terminal receive, return can two-way control information, and by WiFi or bluetooth, receive that mobile terminal returns can two-way control information time, in the interconnected successful information of the interconnected interface display mobile terminal of mobile terminal.
10. car machine according to claim 9, it is characterized in that: described terminal connection detection module, also for when not detecting and receiving mobile terminal link information, be switched to the interconnected interface of mobile terminal, car machine messaging parameter is set to give tacit consent to the interconnected parameter of mobile terminal, shows and opens WiFi or Bluetooth function information and wait standby communication terminal to access.
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