CN104333844A - Interconnection method of vehicle-mounted terminal and smart phone - Google Patents
Interconnection method of vehicle-mounted terminal and smart phone Download PDFInfo
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- CN104333844A CN104333844A CN201410636824.8A CN201410636824A CN104333844A CN 104333844 A CN104333844 A CN 104333844A CN 201410636824 A CN201410636824 A CN 201410636824A CN 104333844 A CN104333844 A CN 104333844A
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- mobile phone
- car
- mounted terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
Abstract
The invention provides an interconnection method of a vehicle-mounted terminal and a smart phone. The method is used for realizing the interconnection between the vehicle-mounted terminal and the smart phone; navigation images are mapped to the vehicle-mounted terminal by use of a data wire or WiFi, navigation voice is transmitted to the vehicle-mounted terminal and played by use of the loudspeaker of the vehicle-mounted terminal, and meanwhile, dual-screen two-way control of the smart phone and the vehicle-mounted terminal is realized; a simple and clear navigation interface is formed on a vehicle-mounted screen, and corresponding menu operations can be carried out by use of physical keys on the vehicle-mounted terminal or soft keys on the screen; the intersection scheme is completely realized by software; after successful interconnection, the same navigation interface is displayed on the vehicle-mounted device and the phone; besides, the navigation system can be operated on both the vehicle-mounted terminal and the smart phone. The interconnection method of the vehicle-mounted terminal and the smart phone has the advantages that the switching of display from the small screen of the phone to the vehicle-mounted large screen is realized to better adapt to the use habits of a user in the vehicle, the convenience of driving is comprehensively improved, and the driving experience in the vehicle is developed at an enthusiast level.
Description
Technical field
The present invention relates to the vehicle terminal navigation field that intelligent mobile terminal is core, particularly the interconnected method of a kind of car-mounted terminal and smart mobile phone.
Background technology
Along with the rise of Automobile Electronic Industry, auto-navigation system starts the sight line entering into people.Mainly contain the operation platforms such as car-mounted terminal, handheld device, smart mobile phone at present.
Car-mounted terminal screen is larger, operates more convenient, but also there is many shortcomings:
Along with the Internet is fast-developing, single car-mounted terminal always lags behind the needs of consumer.A most outstanding problem is, hardware advances be forever out of step with the times development step.At mobile phone market, i Phone system iOS 7.X, time Android mobile phone system Android 4. becomes main flow, car machine is still creeped on WINCE platform.Mobile phone, more than computer memory 2G become standard configuration, and car machine internal memory 512M is just very amazing.
Second is that networked capabilities is limited, and the transmission of current China Mobile terminal network still has problem, and the message transmission rate of adding car-mounted terminal is higher, flow large, have impact on networked capabilities.
3rd, possessing the terminal having customized vehicle-mounted information service needs to pay extra-pay, and expense is very expensive.
4th, user cannot select the service content of car-mounted terminal, also can not expand.
5th, the service of traditional vehicle mounted terminal is very closed.
6th, it is very loaded down with trivial details that vehicle mobile terminals service upgrades upgrading, and a lot of vehicle-mounted navigation map all can not to be upgraded after having bought for several years, upgrades cumbersome and costly.
Summary of the invention
The object of the invention is, in order to the advantages of the advantage of smart mobile phone and car-mounted terminal, to satisfy the demands of consumers, spy provides the interconnected method of a kind of car-mounted terminal and smart mobile phone.
The invention provides the interconnected method of a kind of car-mounted terminal and smart mobile phone, it is characterized in that: described car-mounted terminal and the interconnected method of smart mobile phone, realize mobile phone and car-mounted terminal is interconnected, through data wire or WiFi, navigation screen is mapped on car-mounted terminal, car-mounted terminal loudspeaker are utilized to play to car-mounted terminal navigation transmission sound, meanwhile, the two-way manipulation of mobile phone and car-mounted terminal double screen is realized.Vehicular screen is formed navigation interface that is simple, that understand, just can carry out corresponding menu operation by the physical button on car-mounted terminal or the soft-key button on screen.
Car-mounted terminal, can be connected by data wire, also can be connected by wifi hotspot.Interconnect scheme is completely by software simulating.
Further, mobile phone and car-mounted terminal interconnected after, do not affect the normal use of mobile phone, can receive at any time, call, transmitting-receiving note, other APP etc. on operating handset.
Smart mobile phone, as interconnected service end, is responsible for processing all relevant inner workings that originally navigates, functions such as comprising reading and writing data, logical operation, process user operation, calculate road, guiding, retrieve, draw.Also to be responsible in addition being in due course and picture, sound sent; And the user's operation information sended over by car-mounted terminal is applied in navigation, just as user operation is mobile phone.
Car-mounted terminal as interconnected client, relatively simply.Do not need the concrete function participating in navigation.Draw, calculate road, guiding, retrieval etc. all with car-mounted terminal have nothing to do.The picture that car-mounted terminal only needs reception smart mobile phone to transmit, shows; Sound is reported.And user operation is exhaustively sent in order.
Smart mobile phone and car-mounted terminal can find the other side mutually after being connected to a local area network (LAN); And can according to the mutual interactive information of agreement, it is two-way unimpeded for needing alternately.Once interconnection condition changes, such as network congestion, Wifi disconnection, data wire are pulled out, and car-mounted terminal now cannot continue performance navigation, but smart mobile phone still can continue navigation, unaffected.
After interconnected success, mobile unit and mobile phone show identical navigation interface.And car-mounted terminal and mobile phone terminal all can operated navigation systems.
The smart mobile phone of current main flow all concentrates on IOS and Android two kinds of operating systems, interconnected systems needs to consider user's impression, which kind of cell phone apparatus can not be used by limited subscriber, all can carry out interconnected with the same vehicle terminal software on same car-mounted terminal, midway is without any need for extra handover operation.
What can not affect mobile phone after interconnected plays the functions such as phone.
In order to make user's simple operation, avoid being connected to a local area network (LAN), after data wire or Wifi success, the troublesome operations of IP address in input local area network (LAN), interconnected systems needs the function of automatic acquisition the other side IP address.Also to there is the process of commercial affairs verification after address acquisition success, only have the interconnected equipment of approval pairing just can carry out interconnected, protection benefits of different parties and property right.
Same smart mobile phone can be interconnected with one or more mobile unit end.Only demand and want these equipment to be all connected in same local area network (LAN).
After interconnected success, need picture and sound to be sent to mobile unit end from mobile phone terminal, the particularity of navigation in time, can not cushion otherwise just say without ageing, so require that transmission performance, decoding speed can catch up with the requirement of navigation system.What simultaneously mobile unit end also needed operation one not fallen in time sends mobile phone terminal in order, ensures that user operation is correct, smooth.
When closing hand phone end or closing hand phone end Wifi, the mobile unit end of all connections all needs to disconnect, and enters standby mode, after waiting for that mobile phone terminal restarts or reconnects Wifi, automatically again interconnected.When last mobile unit end connected in systems in which is closed or closes Wifi, mobile phone terminal disconnects, but still can continue navigation at mobile phone terminal.When starting etc. there being new mobile unit end or open Wifi, again from being dynamically connected.
Car-mounted terminal has the state pre-installing vehicle mounted guidance software, and interconnected systems can not affect the normal work of the vehicle mounted guidance of prepackage, and unrestricted choice between user can navigate at two, switches at any time.
Technical solution:
Smart mobile phone is as interconnected service end, and mobile unit is as interconnected car-mounted terminal.
Smart mobile phone adds MayLink module in navigation system.Internally, report with frame updating, sound, process three modules operated and have interface to carry out alternately; Externally be responsible for process and the communication of car-mounted terminal, according to agreement, send picture and sound, receive the touch screen control message that car-mounted terminal is beamed back.
Car-mounted terminal and navigation service have nothing to do, and are only responsible for receiving picture, sound.And on-screen message is sent back to smart mobile phone according to call format.
Use Wifi to carry out the usual smart mobile phone of interconnected pattern and can set up focus, also can receive focus.According to different car-mounted terminal hardware, if car-mounted terminal can set up Wifi focus, so use car-mounted terminal as focus, mobile phone receives focus.If car-mounted terminal can only receive focus, so use smart mobile phone to set up Wifi focus, car-mounted terminal receives focus.
If use USB data line to carry out interconnected, so data wire two ends are connected on car-mounted terminal and mobile phone.
No matter use which kind of scheme above, final object is connected in a local area network (LAN) smart mobile phone and car-mounted terminal.
By the mode of udp broadcast, equipment is found mutually, IOS and Android device need to realize respectively.And carry out the verification of each side, and need the compatibility considering different editions.Smart mobile phone will have the ability to manage all car-mounted terminals be connected in set of system.
Ageing is also another key factor wanting navigator to consider, Wifi connects by bandwidth contributions, and before transmission picture, picture will through steps such as scaling, color conversion, compressions, and only has and just send in the updated.Smart mobile phone needs to record up-to-date picture, only can transmit the new picture of update area like this.What sound also will carry out piling up at smart mobile phone deletes process, ensures the guiding not sending out expired.
Car-mounted terminal needs to intercept and capture all screen operators, comprises click, slip, multi-point touch etc., and sends it to smart mobile phone in order.The on-screen message that smart mobile phone needs operation MLink module received to receive according to itself equally processes, and ensures that smart mobile phone and car-mounted terminal can operate navigation.
Car-mounted terminal be one independent of navigation outside independently application, use diverse resource with vehicle mounted guidance, be independent of each other.According to special customized demand, hand-off process can certainly be carried out
Interconnection process is mainly divided into following two stages, and for completing different functions, two stages use different agreement respectively.
(1) use udp protocol to send, receive the process of broadcast packet.Its step is as follows:
C1: initialization client broadcast " socket ".
C2: broadcast nature is set to " socket ".
C3: send packet, comprising own IP address and the character string for verifying.
C4: wait-receiving mode data
S1: initialization services end broadcast " socket ".
S2: the port numbers that binding service end is monitored
S3: receive the broadcast message being sent to port numbers.
S4: whether be current required, such as, judge whether character string mates if detecting this information.
S5: if testing result is this message is the information waited for, isolate the IP address of client from broadcast message, joins the IP address of self in information and beams back.
M1: the broadcast of the searching service end that client sends.
M2: the message with own IP address that service end is replied.After client receives this message, real TCP can be carried out with the IP address in message and connect.
Since then, service end and client complete the process of Automatic-searching, and automatically connect.
Points for attention are as follows:
Recipient must know the port numbers of broadcaster, and then binding this port numbers could correctly receive.
The Socket of recipient does not need to be arranged to broadcast nature.
The IP of binding cannot use 127.0.0.1, can use real IP address or INADDR_ANY.Otherwise take defeat.
(2) use Transmission Control Protocol, " socket " network sends request or response network request, and concrete steps are as follows:
S1: create the socket that service end Transmission Control Protocol " socket " needs to be different from broadcast use.
S2: service end bundling port number, this port numbers also will be different from the port numbers of broadcast.
S3: service end receives information, after receiving message, needs to carry out subsequent operation according to dissimilar.
S4: service end sends message, comprises the message such as picture, sound renewal.
S5: close socket, disconnects and connecting.
C1: create client Transmission Control Protocol " socket ", needs the socket being different from broadcast use.
C2: client bundling port number, this port numbers also will be different from the port numbers of broadcast.
C3: client sends message, touch information needs all to send in order in time.
C4: client receipt message, receives frame updating message, needs by format data, and is presented on screen; Receive sound and report message, need to report immediately.
C5: close socket, disconnects and connecting.
M1: the message that client sends, comprises that request frame updating, touch screen are pressed, lift, moved, multi-point touch etc.
M2: the message that service end sends, comprises frame updating data, sound more new data.
SL1: service end receives the cyclic process sent.
CL1: client receives the cyclic process sent.
Interconnected effect can be presented according to above flow process: engine end can show the same navigation of mobile phone terminal, also control the navigation of mobile phone terminal by engine end.
Points for attention:
For ensureing efficiency of transmission, the data of transmission should be reduced as far as possible.Require that client will retain the picture data of previous frame, like this, service only needs the region of renewal to send to client, and client just can demonstrate complete, correct navigation map.
Service end needs the ability to Sound control, and when unnecessary one of sound pending, and sound there occurs accumulation, needs certain rule and wakes up with a start sound and delete, only retain those sound that must send to client, ensure ageing.
Client draws mechanism in time: in some cases, client needs the client's operation that makes an immediate response, display related content, wait sends mutually too late, for handwriting functions, if upgrade picture each and all wait for that service end passes picture data, the reaction of client will postpone very serious, to the sensation that operator does not write.Need client to take the mechanism of drawing that makes an immediate response, while sending service end to by user operation, track lines user streaked are drawn out.Also want Deterministic service end can not pass renewal picture to come to cover the handwriting area just finished simultaneously.Need service end and the client agreement that intercommunication is extra when hand-written beginning and end, show state.So interconnect module also needs to provide mechanism to meet the agreement of this kind of extra state of a control mutual between this service end and client, this kind of extra agreement needs in the light of actual conditions to send in time.
Advantage of the present invention:
The interconnected method of car-mounted terminal of the present invention and smart mobile phone, the small screen realizing mobile phone changes to the large screen display of car machine, more meet the user's use habit on car, not only the convenience driven of General Promotion, the driving experience in car also obtains the expansion of fever level.Mobile phone car machine maps the cost not only reducing the exploitation car networking of car load factory, and concerning car owner, following vehicular applications and mobile phone applicating cooperation should be a kind of perfectly service experience.The embodiment of vehicle mounted guidance and smart mobile phone UNICOM not only can reduce the hardware cost of car machine, navigation map can be saved inside car machine, and all realized by mobile phone flow, so system itself does not produce any online cost of use because of supported application.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is smart mobile phone service end and the interconnected schematic diagram of car-mounted terminal client;
Fig. 2 is that udp protocol sends, receives broadcast packet schematic diagram;
Fig. 3 is for using Transmission Control Protocol, and " socket " network sends request or response network request schematic diagram.
Embodiment
Embodiment 1
Present embodiments provide the interconnected method of a kind of car-mounted terminal and smart mobile phone, it is characterized in that: described car-mounted terminal and the interconnected method of smart mobile phone, realize mobile phone and car-mounted terminal is interconnected, through data wire or WiFi, navigation screen is mapped on car-mounted terminal, car-mounted terminal loudspeaker are utilized to play to car-mounted terminal navigation transmission sound, meanwhile, the two-way manipulation of mobile phone and car-mounted terminal double screen is realized.Vehicular screen is formed navigation interface that is simple, that understand, just can carry out corresponding menu operation by the physical button on car-mounted terminal or the soft-key button on screen.
Car-mounted terminal, can be connected by data wire, also can be connected by wifi hotspot.Interconnect scheme is completely by software simulating.
Further, mobile phone and car-mounted terminal interconnected after, do not affect the normal use of mobile phone, can receive at any time, call, transmitting-receiving note, other APP etc. on operating handset.
Mobile phone, as interconnected service end, is responsible for processing all relevant inner workings that originally navigates, functions such as comprising reading and writing data, logical operation, process user operation, calculate road, guiding, retrieve, draw.Also to be responsible in addition being in due course and picture, sound sent; And the user's operation information sended over by car-mounted terminal is applied in navigation, just as user operation is mobile phone.
Car-mounted terminal as interconnected client, relatively simply.Do not need the concrete function participating in navigation.Draw, calculate road, guiding, retrieval etc. all with car-mounted terminal have nothing to do.The picture that car-mounted terminal only needs reception smart mobile phone to transmit, shows; Sound is reported.And user operation is exhaustively sent in order.
Smart mobile phone and car-mounted terminal can find the other side mutually after being connected to a local area network (LAN); And can according to the mutual interactive information of agreement, it is two-way unimpeded for needing alternately.Once interconnection condition changes, such as network congestion, Wifi disconnection, data wire are pulled out, and car-mounted terminal now cannot continue performance navigation, but smart mobile phone still can continue navigation, unaffected.
After interconnected success, mobile unit and mobile phone show identical navigation interface.And car-mounted terminal and mobile phone terminal all can operated navigation systems.
The smart mobile phone of current main flow all concentrates on IOS and Android two kinds of operating systems, interconnected systems needs to consider user's impression, which kind of cell phone apparatus can not be used by limited subscriber, all can carry out interconnected with the same vehicle terminal software on same car-mounted terminal, midway is without any need for extra handover operation.
What can not affect mobile phone after interconnected plays the functions such as phone.
In order to make user's simple operation, avoid being connected to a local area network (LAN), after data wire or Wifi success, the troublesome operations of IP address in input local area network (LAN), interconnected systems needs the function of automatic acquisition the other side IP address.Also to there is the process of commercial affairs verification after address acquisition success, only have the interconnected equipment of approval pairing just can carry out interconnected, protection benefits of different parties and property right.
Same smart mobile phone can be interconnected with one or more mobile unit end.Only demand and want these equipment to be all connected in same local area network (LAN).
After interconnected success, need picture and sound to be sent to mobile unit end from mobile phone terminal, the particularity of navigation in time, can not cushion otherwise just say without ageing, so require that transmission performance, decoding speed can catch up with the requirement of navigation system.What simultaneously mobile unit end also needed operation one not fallen in time sends mobile phone terminal in order, ensures that user operation is correct, smooth.
When closing hand phone end or closing hand phone end Wifi, the mobile unit end of all connections all needs to disconnect, and enters standby mode, after waiting for that mobile phone terminal restarts or reconnects Wifi, automatically again interconnected.When last mobile unit end connected in systems in which is closed or closes Wifi, mobile phone terminal disconnects, but still can continue navigation at mobile phone terminal.When starting etc. there being new mobile unit end or open Wifi, again from being dynamically connected.
Car-mounted terminal has the state pre-installing vehicle mounted guidance software, and interconnected systems can not affect the normal work of the vehicle mounted guidance of prepackage, and unrestricted choice between user can navigate at two, switches at any time.
Technical solution:
Smart mobile phone is as interconnected service end, and mobile unit is as interconnected car-mounted terminal.
Smart mobile phone adds MayLink module in navigation system.Internally, report with frame updating, sound, process three modules operated and have interface to carry out alternately; Externally be responsible for process and the communication of car-mounted terminal, according to agreement, send picture and sound, receive the touch screen control message that car-mounted terminal is beamed back.
Car-mounted terminal and navigation service have nothing to do, and are only responsible for receiving picture, sound.And on-screen message is sent back to smart mobile phone according to call format.
Use Wifi to carry out the usual smart mobile phone of interconnected pattern and can set up focus, also can receive focus.According to different car-mounted terminal hardware, if car-mounted terminal can set up Wifi focus, so use car-mounted terminal as focus, mobile phone receives focus.If car-mounted terminal can only receive focus, so use smart mobile phone to set up Wifi focus, car-mounted terminal receives focus.
If use USB data line to carry out interconnected, so data wire two ends are connected on car-mounted terminal and mobile phone.
No matter use which kind of scheme above, final object is connected in a local area network (LAN) smart mobile phone and car-mounted terminal.
By the mode of udp broadcast, equipment is found mutually, IOS and Android device need to realize respectively.And carry out the verification of each side, and need the compatibility considering different editions.Smart mobile phone will have the ability to manage all car-mounted terminals be connected in set of system.
Ageing is also another key factor wanting navigator to consider, Wifi connects by bandwidth contributions, and before transmission picture, picture will through steps such as scaling, color conversion, compressions, and only has and just send in the updated.Smart mobile phone needs to record up-to-date picture, only can transmit the new picture of update area like this.What sound also will carry out piling up at smart mobile phone deletes process, ensures the guiding not sending out expired.
Car-mounted terminal needs to intercept and capture all screen operators, comprises click, slip, multi-point touch etc., and sends it to smart mobile phone in order.The on-screen message that smart mobile phone needs operation MLink module received to receive according to itself equally processes, and ensures that smart mobile phone and car-mounted terminal can operate navigation.
Car-mounted terminal be one independent of navigation outside independently application, use diverse resource with vehicle mounted guidance, be independent of each other.According to special customized demand, hand-off process can certainly be carried out
Interconnection process is mainly divided into following two stages, and for completing different functions, two stages use different agreement respectively.
(1) use udp protocol to send, receive the process of broadcast packet.Its step is as follows:
C1: initialization client broadcast " socket ".
C2: broadcast nature is set to " socket ".
C3: send packet, comprising own IP address and the character string for verifying.
C4: wait-receiving mode data
S1: initialization services end broadcast " socket ".
S2: the port numbers that binding service end is monitored
S3: receive the broadcast message being sent to port numbers.
S4: whether be current required, such as, judge whether character string mates if detecting this information.
S5: if testing result is this message is the information waited for, isolate the IP address of client from broadcast message, joins the IP address of self in information and beams back.
M1: the broadcast of the searching service end that client sends.
M2: the message with own IP address that service end is replied.After client receives this message, real TCP can be carried out with the IP address in message and connect.
Since then, service end and client complete the process of Automatic-searching, and automatically connect.
Points for attention are as follows:
Recipient must know the port numbers of broadcaster, and then binding this port numbers could correctly receive.
The Socket of recipient does not need to be arranged to broadcast nature.
The IP of binding cannot use 127.0.0.1, can use real IP address or INADDR_ANY.Otherwise take defeat.
(2) use Transmission Control Protocol, " socket " network sends request or response network request, and concrete steps are as follows:
S1: create the socket that service end Transmission Control Protocol " socket " needs to be different from broadcast use.
S2: service end bundling port number, this port numbers also will be different from the port numbers of broadcast.
S3: service end receives information, after receiving message, needs to carry out subsequent operation according to dissimilar.
S4: service end sends message, comprises the message such as picture, sound renewal.
S5: close socket, disconnects and connecting.
C1: create client Transmission Control Protocol " socket ", needs the socket being different from broadcast use.
C2: client bundling port number, this port numbers also will be different from the port numbers of broadcast.
C3: client sends message, touch information needs all to send in order in time.
C4: client receipt message, receives frame updating message, needs by format data, and is presented on screen; Receive sound and report message, need to report immediately.
C5: close socket, disconnects and connecting.
M1: the message that client sends, comprises that request frame updating, touch screen are pressed, lift, moved, multi-point touch etc.
M2: the message that service end sends, comprises frame updating data, sound more new data.
SL1: service end receives the cyclic process sent.
CL1: client receives the cyclic process sent.
Interconnected effect can be presented according to above flow process: engine end can show the same navigation of mobile phone terminal, also control the navigation of mobile phone terminal by engine end.
Points for attention:
For ensureing efficiency of transmission, the data of transmission should be reduced as far as possible.Require that client will retain the picture data of previous frame, like this, service only needs the region of renewal to send to client, and client just can demonstrate complete, correct navigation map.
Service end needs the ability to Sound control, and when unnecessary one of sound pending, and sound there occurs accumulation, needs certain rule and wakes up with a start sound and delete, only retain those sound that must send to client, ensure ageing.
Client draws mechanism in time: in some cases, client needs the client's operation that makes an immediate response, display related content, wait sends mutually too late, for handwriting functions, if upgrade picture each and all wait for that service end passes picture data, the reaction of client will postpone very serious, to the sensation that operator does not write.Need client to take the mechanism of drawing that makes an immediate response, while sending service end to by user operation, track lines user streaked are drawn out.Also want Deterministic service end can not pass renewal picture to come to cover the handwriting area just finished simultaneously.Need service end and the client agreement that intercommunication is extra when hand-written beginning and end, show state.So interconnect module also needs to provide mechanism to meet the agreement of this kind of extra state of a control mutual between this service end and client, this kind of extra agreement needs in the light of actual conditions to send in time.
Claims (3)
1. the interconnected method of a car-mounted terminal and smart mobile phone, it is characterized in that: described car-mounted terminal and the interconnected method of smart mobile phone, realize mobile phone and car-mounted terminal is interconnected, through data wire or WiFi, navigation screen is mapped on car-mounted terminal, car-mounted terminal loudspeaker are utilized to play to car-mounted terminal navigation transmission sound, meanwhile, the two-way manipulation of mobile phone and car-mounted terminal double screen is realized; Vehicular screen is formed navigation interface that is simple, that understand, just can carry out corresponding menu operation by the physical button on car-mounted terminal or the soft-key button on screen;
Car-mounted terminal, can be connected by data wire, also can be connected by wifi hotspot; Interconnect scheme is completely by software simulating;
Further, mobile phone and car-mounted terminal interconnected after, do not affect the normal use of mobile phone, can receive at any time, call, transmitting-receiving note, other APP on operating handset;
Mobile phone, as interconnected service end, is responsible for processing all relevant inner workings that originally navigates, functions such as comprising reading and writing data, logical operation, process user operation, calculate road, guiding, retrieve, draw; Also to be responsible in addition being in due course and picture, sound sent; And the user's operation information sended over by car-mounted terminal is applied in navigation, just as user operation is mobile phone;
Car-mounted terminal as interconnected client, relatively simply; Do not need the concrete function participating in navigation; Draw, calculate road, guiding, retrieval etc. all with car-mounted terminal have nothing to do; The picture that car-mounted terminal only needs reception smart mobile phone to transmit, shows; Sound is reported; And user operation is exhaustively sent in order;
Smart mobile phone and car-mounted terminal can find the other side mutually after being connected to a local area network (LAN); And can according to the mutual interactive information of agreement, it is two-way unimpeded for needing alternately; Once interconnection condition changes, such as network congestion, Wifi disconnection, data wire are pulled out, and car-mounted terminal now cannot continue performance navigation, but smart mobile phone still can continue navigation, unaffected;
After interconnected success, mobile unit and mobile phone show identical navigation interface; And car-mounted terminal and mobile phone terminal be energy operated navigation systems all;
The smart mobile phone of current main flow all concentrates on IOS and Android two kinds of operating systems, interconnected systems needs to consider user's impression, which kind of cell phone apparatus can not be used by limited subscriber, all can carry out interconnected with the same vehicle terminal software on same car-mounted terminal, midway is without any need for extra handover operation;
What can not affect mobile phone after interconnected plays the functions such as phone;
In order to make user's simple operation, avoid being connected to a local area network (LAN), after data wire or Wifi success, the troublesome operations of IP address in input local area network (LAN), interconnected systems needs the function of automatic acquisition the other side IP address; Also to there is the process of commercial affairs verification after address acquisition success, only have the interconnected equipment of approval pairing just can carry out interconnected, protection benefits of different parties and property right;
Same smart mobile phone can be interconnected with one or more mobile unit end; Only demand and want these equipment to be all connected in same local area network (LAN);
After interconnected success, need picture and sound to be sent to mobile unit end from mobile phone terminal, the particularity of navigation in time, can not cushion otherwise just say without ageing, so require that transmission performance, decoding speed can catch up with the requirement of navigation system; What simultaneously mobile unit end also needed operation one not fallen in time sends mobile phone terminal in order, ensures that user operation is correct, smooth;
When closing hand phone end or closing hand phone end Wifi, the mobile unit end of all connections all needs to disconnect, and enters standby mode, after waiting for that mobile phone terminal restarts or reconnects Wifi, automatically again interconnected; When last mobile unit end connected in systems in which is closed or closes Wifi, mobile phone terminal disconnects, but still can continue navigation at mobile phone terminal; When starting etc. there being new mobile unit end or open Wifi, again from being dynamically connected;
Car-mounted terminal has the state pre-installing vehicle mounted guidance software, and interconnected systems can not affect the normal work of the vehicle mounted guidance of prepackage, and unrestricted choice between user can navigate at two, switches at any time;
Technical solution:
Smart mobile phone is as interconnected service end, and mobile unit is as interconnected car-mounted terminal;
Smart mobile phone adds MayLink module in navigation system; Internally, report with frame updating, sound, process three modules operated and have interface to carry out alternately; Externally be responsible for process and the communication of car-mounted terminal, according to agreement, send picture and sound, receive the touch screen control message that car-mounted terminal is beamed back;
Car-mounted terminal and navigation service have nothing to do, and are only responsible for receiving picture, sound; And on-screen message is sent back to smart mobile phone according to call format;
Use Wifi to carry out the usual smart mobile phone of interconnected pattern and can set up focus, also can receive focus; According to different car-mounted terminal hardware, if car-mounted terminal can set up Wifi focus, so use car-mounted terminal as focus, mobile phone receives focus; If car-mounted terminal can only receive focus, so use smart mobile phone to set up Wifi focus, car-mounted terminal receives focus;
If use USB data line to carry out interconnected, so data wire two ends are connected on car-mounted terminal and mobile phone;
No matter use which kind of scheme above, final object smart mobile phone and car-mounted terminal is connected in a local area network (LAN);
By the mode of udp broadcast, equipment is found mutually, IOS and Android device need to realize respectively; And carry out the verification of each side, and need the compatibility considering different editions; Smart mobile phone will have the ability to manage all car-mounted terminals be connected in set of system;
Ageing is also another key factor wanting navigator to consider, Wifi connects by bandwidth contributions, and before transmission picture, picture will through steps such as scaling, color conversion, compressions, and only has and just send in the updated; Smart mobile phone needs to record up-to-date picture, only can transmit the new picture of update area like this; What sound also will carry out piling up at smart mobile phone deletes process, ensures the guiding not sending out expired.
2., according to the interconnected method of car-mounted terminal according to claim 1 and smart mobile phone, it is characterized in that: car-mounted terminal needs to intercept and capture all screen operators, comprises click, slip, multi-point touch etc., and sends it to smart mobile phone in order; The on-screen message that smart mobile phone needs operation MLink module received to receive according to itself equally processes, and ensures that smart mobile phone and car-mounted terminal can operate navigation;
Car-mounted terminal be one independent of navigation outside independently application, use diverse resource with vehicle mounted guidance, be independent of each other; According to special customized demand, hand-off process can certainly be carried out.
3., according to the interconnected method of car-mounted terminal according to claim 1 and smart mobile phone, it is characterized in that: interconnection process is mainly divided into following two stages, for completing different functions, two stages use different agreement respectively;
(1) use udp protocol to send, receive the process of broadcast packet; Its step is as follows:
C1: initialization client broadcast " socket ";
C2: broadcast nature is set to " socket ";
C3: send packet, comprising own IP address and the character string for verifying;
C4: wait-receiving mode data
S1: initialization services end broadcast " socket ";
S2: the port numbers that binding service end is monitored
S3: receive the broadcast message being sent to port numbers;
S4: whether be current required, such as, judge whether character string mates if detecting this information;
S5: if testing result is this message is the information waited for, isolate the IP address of client from broadcast message, joins the IP address of self in information and beams back;
M1: the broadcast of the searching service end that client sends;
M2: the message with own IP address that service end is replied; After client receives this message, real TCP can be carried out with the IP address in message and connect;
Since then, service end and client complete the process of Automatic-searching, and automatically connect;
Points for attention are as follows:
Recipient must know the port numbers of broadcaster, and then binding this port numbers could correctly receive;
The Socket of recipient does not need to be arranged to broadcast nature;
The IP of binding cannot use 127.0.0.1, can use real IP address or INADDR_ANY; Otherwise take defeat;
(2) use Transmission Control Protocol, " socket " network sends request or response network request, and concrete steps are as follows:
S1: create the socket that service end Transmission Control Protocol " socket " needs to be different from broadcast use;
S2: service end bundling port number, this port numbers also will be different from the port numbers of broadcast;
S3: service end receives information, after receiving message, needs to carry out subsequent operation according to dissimilar;
S4: service end sends message, comprises the message such as picture, sound renewal;
S5: close socket, disconnects and connecting;
C1: create client Transmission Control Protocol " socket ", needs the socket being different from broadcast use;
C2: client bundling port number, this port numbers also will be different from the port numbers of broadcast;
C3: client sends message, touch information needs all to send in order in time;
C4: client receipt message, receives frame updating message, needs by format data, and is presented on screen; Receive sound and report message, need to report immediately;
C5: close socket, disconnects and connecting;
M1: the message that client sends, comprises that request frame updating, touch screen are pressed, lift, moved, multi-point touch etc.;
M2: the message that service end sends, comprises frame updating data, sound more new data;
SL1: service end receives the cyclic process sent;
CL1: client receives the cyclic process sent;
Interconnected effect can be presented according to above flow process: engine end can show the same navigation of mobile phone terminal, also control the navigation of mobile phone terminal by engine end;
Points for attention:
For ensureing efficiency of transmission, the data of transmission should be reduced as far as possible; Require that client will retain the picture data of previous frame, like this, service only needs the region of renewal to send to client, and client just can demonstrate complete, correct navigation map;
Service end needs the ability to Sound control, and when unnecessary one of sound pending, and sound there occurs accumulation, needs certain rule and wakes up with a start sound and delete, only retain those sound that must send to client, ensure ageing;
Client draws mechanism in time: in some cases, client needs the client's operation that makes an immediate response, display related content, wait sends mutually too late, for handwriting functions, if upgrade picture each and all wait for that service end passes picture data, the reaction of client will postpone very serious, to the sensation that operator does not write; Need client to take the mechanism of drawing that makes an immediate response, while sending service end to by user operation, track lines user streaked are drawn out; Also want Deterministic service end can not pass renewal picture to come to cover the handwriting area just finished simultaneously; Need service end and the client agreement that intercommunication is extra when hand-written beginning and end, show state; So interconnect module also needs to provide mechanism to meet the agreement of this kind of extra state of a control mutual between this service end and client, this kind of extra agreement needs in the light of actual conditions to send in time.
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| CN201410636824.8A CN104333844A (en) | 2014-11-12 | 2014-11-12 | Interconnection method of vehicle-mounted terminal and smart phone |
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| CN201410636824.8A CN104333844A (en) | 2014-11-12 | 2014-11-12 | Interconnection method of vehicle-mounted terminal and smart phone |
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| CN113746979A (en) * | 2021-08-26 | 2021-12-03 | 上汽通用五菱汽车股份有限公司 | Mobile phone screen splitting method, system, equipment and medium based on mobile phone Internet of vehicles application |
| CN117354758A (en) * | 2023-12-05 | 2024-01-05 | 润芯微科技(江苏)有限公司 | Interactive control system and method for interconnection and fusion of multiple carts in system |
| CN117354758B (en) * | 2023-12-05 | 2024-02-09 | 润芯微科技(江苏)有限公司 | Interactive control system and method for interconnection and fusion of multiple carts in system |
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