CN103458039A - Message generation method, mobile terminal, communication server and message generation system - Google Patents
Message generation method, mobile terminal, communication server and message generation system Download PDFInfo
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- CN103458039A CN103458039A CN2013104043980A CN201310404398A CN103458039A CN 103458039 A CN103458039 A CN 103458039A CN 2013104043980 A CN2013104043980 A CN 2013104043980A CN 201310404398 A CN201310404398 A CN 201310404398A CN 103458039 A CN103458039 A CN 103458039A
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Abstract
The embodiment of the invention provides a message generation method, a mobile terminal, a communication server and a message generation system. The message generation method comprises the steps of (1) receiving message identifications of target original messages corresponding to target signals sent by the communication server, position information of the target signals in the target original messages corresponding to the target signals, message identifications of new messages, to be built, corresponding to the target signals, and position information of the target signals in the new messages, to be built, corresponding to the target signals; (2) according to any one of the target signals, obtaining the signal from the target original messages according to the message identification of the target original message corresponding to the signal, and the position information of the signal in the target original message corresponding to the signal; (3) combining signals of the target signals to form the new messages according to the message identifications of the new messages, to be built, corresponding to the target signals, and the position information of the target signals in the new messages, to be built, corresponding to the target signals. When the message generation method, the mobile terminal, the communication server and the message generation system are used, network transmission resources can be saved.
Description
Technical field
The present invention relates to the communications field, in particular, relate to a kind of message forming method, mobile terminal, the communication server and message generation system.
Background technology
In prior art in order to realize the collection to the work state information of the vehicles such as vehicle or ship, one mobile terminal is installed usually on the vehicles, for example installation car mounted terminal, installation ship mounted terminal aboard ship on vehicle, the vehicle net system of below take in vehicle describes as the process of example to the work state information of the vehicles such as above-mentioned mobile terminal collection vehicle or ship.
Vehicle net system comprises Web server, the communication server and car-mounted terminal, and Web server and the communication server share a database.Database stores a mapping form, and this mapping form comprises: positional information in the original message corresponding with it of signal identification, the original message corresponding with signal sign, signal storage, with the information such as computing formula corresponding to signal and unit.
Suppose that the user need to obtain vehicle speed signal, the user can input the indication that obtains vehicle speed signal on Web server so, the communication server is after receiving the indication that obtains vehicle speed signal, generate the first form that comprises the message identification corresponding with vehicle speed signal according to the mapping form in database, and the first form is sent to car-mounted terminal, car-mounted terminal is according to the message identification in the first form, the CAN message produced from vehicle (can certainly be other message, here take the CAN message as example) in, acquisition has the CAN message of corresponding message identification, and this CAN message is stored in database by the communication server, Web server obtains vehicle speed signal according to the mapping form in database again from the CAN message with vehicle speed signal, and present to the user.
And the signal that the user goes for is stored in a plurality of CAN messages often, suppose that the user need to obtain gear information and the speed information of vehicle, gear information is stored in first byte of the CAN message that message identification ID is 100, speed information is stored in the 2nd and the 3rd byte of the CAN message that message identification ID is 101, and the described signal of other several bytes of this two frame CAN message, be not that the user is interested, referring to Fig. 1, is the structural representation of the message identification CAN message that is 100 and the message identification CAN message that is 101.
In figure, CAN ID means the message identification of CAN message, is used for distinguishing different CAN messages, and DLC means the length of the signal that the CAN message can be stored, and the span of DLC is 0 to 8 byte, and DATA means the signal that the CAN message is stored.When as can be seen from Figure 1 car-mounted terminal is uploaded in database by this two frames message, also uploaded the uninterested signal of 11 byte user, even user's required gear information, car-mounted terminal is when uploading message is designated 100 message so, also uploaded the uninterested signal of 7 byte user, so greatly wasted network transmission resource.
To sum up, the vehicles such as vehicle of the prior art and ship, when mobile terminal gathers its work state information, because user's unwanted signal is uploaded in meeting, so wasted network transmission resource.
Summary of the invention
In view of this, the invention provides a kind of message forming method, mobile terminal, the communication server and message generation system, to overcome in prior art owing at mobile terminal, gathering its work state information, because user's unwanted signal is uploaded in meeting, cause the problem of network transmission resource waste.
For achieving the above object, the invention provides following technical scheme:
First aspect, a kind of message forming method comprises: the message identification of the new message to be created that message identification, positional information, the described echo signal of described echo signal in the target original message corresponding with it of the target original message that the echo signal that the received communication server sends is corresponding is corresponding and described echo signal with its corresponding to be created new message in positional information; For arbitrary signal in described echo signal, the message identification of corresponding target original message according to described signal, obtain the target original message with this message identification from the original message received, positional information according to described signal in the target original message corresponding with it obtains described signal from described target original message; According to described echo signal, the message identification of corresponding new message to be created and the described echo signal positional information in the to be created new message corresponding with it, become new message by each signal combination in echo signal.
In conjunction with first aspect, in the first possibility implementation, the message identification of described new message to be created belongs to default sign scope, and described default sign scope does not comprise the message identification of original message.
Second aspect, a kind of message forming method, comprise: while receiving the indication that gathers echo signal, correspondence relationship information according to the echo signal of storing in database and target original message, acquisition includes the message identification of target original message corresponding to described echo signal, and the first indication information of the positional information of described echo signal in the target original message corresponding with it; According to the length of described echo signal and message can storage signal maximum length, determine the echo signal and the positional information of described echo signal in the to be created new message corresponding with it that comprise in each new message to be created, and be each described new message assignment message sign to be created; Acquisition includes the second indication information of the message identification of new message to be created corresponding to described echo signal, the positional information of described echo signal in the to be created new message corresponding with it; Send described the first indication information and the second indication information to mobile terminal, the foundation that described the first indication information is the described echo signal of described acquisition for mobile terminal, described the second indication information is the foundation that described mobile terminal generates the new message that includes described echo signal.
In conjunction with second aspect, in the first possibility implementation, the described length according to described echo signal and message can storage signal maximum length, determine that the echo signal and the positional information of described echo signal in the to be created new message corresponding with it that comprise in each new message to be created comprise: according to the length of each signal in described echo signal, determine the first signal combination, described first signal be combined as length equal described message can storage signal a signal of maximum length or the combination of a plurality of signals, length according to each residual signal in described echo signal, determine the secondary signal combination, described secondary signal be combined as length be less than described message can storage signal the combination of one or more signals of maximum length, in described echo signal, each signal only is combined once, according to described first signal combination and the combination of described secondary signal, determine the echo signal and the positional information of described echo signal in the to be created new message corresponding with it that comprise in described each new message to be created.
In conjunction with second aspect or may implementation in conjunction with the first of second aspect, in the second possibility implementation, state message identification and the positional information of described echo signal in the original message corresponding with it that the second indication information also comprises the original message of described echo signal.
The third aspect, a kind of mobile terminal, comprise: receiver module, the message identification of the message identification of the target original message that the echo signal sent for the received communication server is corresponding, the described echo signal corresponding new message to be created in the positional information of the target original message corresponding with it, described echo signal and described echo signal with its corresponding to be created new message in positional information; Obtain the echo signal module, be used for for the arbitrary signal of described echo signal, the message identification of corresponding target original message according to described signal, obtain the target original message with this message identification from the original message received, positional information according to described signal in the target original message corresponding with it obtains described signal from described target original message; Composite module, in the positional information of the to be created new message corresponding with it, become new message by each signal combination in echo signal for the message identification of the new message to be created corresponding according to described echo signal and described echo signal.
Fourth aspect, a kind of communication server, it is characterized in that, comprise: first obtains module, while being used for receiving the indication that gathers echo signal, according to the correspondence relationship information of the echo signal of storing in database and target original message, obtain the message identification that includes target original message corresponding to described echo signal, and the first indication information of the positional information of described echo signal in the target original message corresponding with it; Determination module, for the maximum length according to the length of described echo signal and message institute energy storage signal, determine the echo signal and the positional information of described echo signal in the to be created new message corresponding with it that comprise in each new message to be created, and be each described new message assignment message sign to be created; Second obtains module, for acquisition, includes the message identification of new message to be created corresponding to described echo signal, described echo signal the second indication information in the positional information of the to be created new message corresponding with it; Sending module, for to mobile terminal, sending described the first indication information and the second indication information, the foundation that described the first indication information is the described echo signal of described acquisition for mobile terminal, described the second indication information is the foundation that described mobile terminal generates the new message that includes described echo signal.
In conjunction with fourth aspect, in the first implementation, described determination module comprises: the first determining unit, for the length according to described each signal of echo signal, determine the first signal combination, described first signal be combined as length equal described message can storage signal a signal of maximum length or the combination of a plurality of signals, length according to each residual signal in described echo signal, determine the secondary signal combination, described secondary signal be combined as length be less than described message can storage signal the combination of one or more signals of maximum length, in described echo signal, each signal only is combined once, the second determining unit, for according to described first signal combination and the combination of described secondary signal, determine the echo signal and the positional information of described echo signal in the to be created new message corresponding with it that comprise in described each new message to be created, allocation units, be used to each described new message allocation identification to be created.
In conjunction with fourth aspect or in conjunction with the first implementation of fourth aspect, in the second implementation, described the second indication information also comprises message identification and the positional information of described echo signal in the original message corresponding with it of the original message of described echo signal.
The 5th aspect, a kind of message generation system, comprise: the communication server and mobile terminal, the described communication server comprises: first obtains module, while being used for receiving the indication that gathers echo signal, according to the correspondence relationship information of the echo signal of storing in database and target original message, obtain the message identification that includes target original message corresponding to described echo signal, and the first indication information of the positional information of described echo signal in the target original message corresponding with it; Determination module, for the maximum length according to the length of described echo signal and message institute energy storage signal, determine the echo signal and the positional information of described echo signal in the to be created new message corresponding with it that comprise in each new message to be created, and be each described new message allocation identification to be created; Second obtains module, for acquisition, includes the message identification of new message to be created corresponding to described echo signal, described echo signal the second indication information in the positional information of the to be created new message corresponding with it; Sending module, for sending described the first indication information and the second indication information to described mobile terminal; Described mobile mobile terminal comprises: receiver module, the message identification of the message identification of the target original message that the echo signal sent for the received communication server is corresponding, the described echo signal corresponding new message to be created in the positional information of the target original message corresponding with it, described echo signal and described echo signal with its corresponding to be created new message in positional information; Obtain the echo signal module, be used for for the arbitrary signal of described echo signal, the message identification of corresponding target original message according to described signal, obtain the target original message with this message identification from the original message received, positional information according to described signal in the target original message corresponding with it obtains described signal from described target original message; Composite module, in the positional information of the to be created new message corresponding with it, become new message by each signal combination in echo signal for the message identification of the new message to be created corresponding according to described echo signal and described echo signal.
Known via above-mentioned technical scheme, compared with prior art, the embodiment of the present invention provides a kind of message forming method, the message identification of the new message to be created that message identification, positional information, the echo signal of echo signal in the target original message corresponding with it of the target original message that the echo signal that the received communication server sends is corresponding is corresponding and echo signal with its corresponding to be created new message in positional information; For arbitrary echo signal, the message identification of corresponding target original message according to this echo signal, obtain the target original message with this message identification from the original message received, positional information according to this echo signal in the target original message corresponding with it obtains this echo signal from this target original message; According to echo signal, the message identification of corresponding new message to be created and the echo signal positional information in the to be created new message corresponding with it, become new message by each signal combination in echo signal.Because new message only carries echo signal, there is no the uninterested signal of user, so, when new message is uploaded to the communication server, can save network transmission resource.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to the accompanying drawing provided other accompanying drawing.
The structural representation that Fig. 1 is the message identification CAN message that is 100 and the message identification CAN message that is 101;
The schematic flow sheet of a kind of message forming method that Fig. 2 provides for the embodiment of the present invention;
The schematic flow sheet of a kind of message forming method that Fig. 3 provides for the embodiment of the present invention;
In a kind of message forming method that Fig. 4 provides by the embodiment of the present invention according to the length of echo signal and message the maximum length of energy storage signal, determine the method flow schematic diagram of a kind of implementation of the echo signal that comprises in each new message to be created and the positional information of echo signal in the to be created new message corresponding with it;
The structural representation of a kind of mobile terminal that Fig. 5 provides for the embodiment of the present invention;
The structural representation of a kind of communication server that Fig. 6 provides for the embodiment of the present invention;
The structural representation of a kind of implementation of determination module in a kind of communication server that Fig. 7 provides for the embodiment of the present invention;
The instantiation figure of a kind of message generation system that Fig. 8 provides for the embodiment of the present invention;
The sequential chart of a kind of message generative process that Fig. 9 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
The vehicles such as vehicle of the prior art or ship are before dispatching from the factory, just defined its issuable all message in the process of moving, the entrained signal of the message identification of message, message amount, each message, each signal are that (these information all be stored in the mapping form of database in) of fixing can not be changed in the position of message.Take vehicle as example, in vehicle, signal be take the CAN message as the carrier appearance, and the CAN message is the data least unit existed on the CAN bus, so car-mounted terminal, to the communication server message transmission time, must transmit with the form of CAN message, and a CAN message can carry one or more signals, so vehicles such as vehicle of the prior art and ship, when mobile terminal gathers its work state information, because user's unwanted signal is uploaded in meeting, so wasted network transmission resource.
Refer to accompanying drawing 2, the schematic flow sheet of a kind of message forming method provided for the embodiment of the present invention, the method can be applied to mobile terminal, and the method comprises:
Step S201: the message identification of the new message to be created that message identification, positional information, the echo signal of echo signal in the target original message corresponding with it of the target original message that the echo signal that the received communication server sends is corresponding is corresponding and echo signal with its corresponding to be created new message in positional information.
The method that the embodiment of the present invention provides can be applied to mobile terminal, and mobile terminal can be car-mounted terminal, Shipborne terminal etc., and the embodiment of the present invention is not done concrete restriction to this.
Above-mentioned target original message refers to the original message that stores echo signal in the original message that mobile terminal receives, and original message is the general designation of the message that receives of mobile terminal, and the target original message is the original message corresponding with echo signal.Take the car networked system as example, and vehicle can constantly generate original message in the process of moving, and mobile terminal receives these original messages by the CAN bus.
Above-mentioned new message to be created is the general designation of the new message that also do not generate of mobile terminal, so be called " new message to be created " in order to distinguish with original message.
The message identification of the target original message that echo signal is corresponding, the positional information of echo signal in the target original message corresponding with it also can be used as the first indication information, the message identification of the new message to be created that echo signal is corresponding and the echo signal positional information in the to be created new message corresponding with it can be used as the second indication information, the first indication information and the second indication information that mobile terminal can the received communication server sends.
The first indication information that the communication server generates can be to generate according to the mapping form in database, and the second indication information can be to generate according to the mapping form in database or the first indication information.
The first indication information and the second indication information can embody with the form of form, also can embody with other forms, due to the specific implementation that does not affect the embodiment of the present invention, so do not do concrete restriction at this.
Echo signal that the user need to obtain may more than one, means a general designation of all signals that the user need to obtain here by echo signal, and echo signal comprises at least one signal that the user need to obtain.
Step S202: for arbitrary signal in echo signal, the message identification of corresponding target original message according to this signal, obtain the target original message with this message identification from the original message received, positional information according to this signal in the target original message corresponding with it obtains this signal from the target original message.
Still take vehicle as example, vehicle can produce various signals (for example vehicle speed signal) in the process of moving, these signals can be take the CAN message as carrier, will generate so a plurality of CAN original messages, car-mounted terminal can receive above-mentioned CAN original message by the CAN bus, and obtains the target original message with corresponding message identification according to the message identification of target original message from these CAN original messages.
Step S203: the message identification of corresponding new message to be created and this echo signal positional information in the to be created new message corresponding with it according to this echo signal becomes new message by each signal combination in echo signal.
The message identification of new message to be created belongs to default sign scope.Default sign scope does not comprise the message identification of original message.
Still take vehicle as example, before vehicle dispatches from the factory, message identification has just defined, for the message identification of distinguishing the original message that vehicle defines before dispatching from the factory and the message identification of new message to be created, message identification scope that can new message to be created is set to not comprise the message identification of original message.Suppose that the vehicle message identification scope of the original message of definition before of dispatching from the factory is 1 to 101, the message identification scope of new message so to be created can be 102 to 200.
The invention discloses a kind of message forming method, the message identification of the target original message that the echo signal that the received communication server sends is corresponding, the positional information of echo signal in the target original message corresponding with it, the message identification of the new message to be created that echo signal is corresponding and the echo signal positional information in the to be created new message corresponding with it, for arbitrary signal in echo signal, the message identification of corresponding target original message according to this signal, obtain the target original message with this message identification from the original message received, positional information according to this signal in the target original message corresponding with it, obtain this signal from above-mentioned target original message, the message identification of corresponding new message to be created and the echo signal positional information in the to be created new message corresponding with it according to echo signal, each signal combination in echo signal is become to new message.Because new message only carries echo signal, there is no the uninterested signal of user, so, when new message is uploaded to the communication server, can save network transmission resource.
Refer to Fig. 3, the schematic flow sheet of a kind of message forming method provided for the embodiment of the present invention, the method can be applied to the communication server, and the method comprises:
Step S301: while receiving the indication that gathers echo signal, correspondence relationship information according to the echo signal of storing in database and target original message, acquisition includes the message identification of target original message corresponding to echo signal, and the first indication information of the positional information of echo signal in the target original message corresponding with it.
The user can input the indication that gathers echo signal on Web server, Web server is sent to the communication server by the indication of this collection echo signal, the communication server can, according to the correspondence relationship information of the echo signal of storing in database and target original message, obtain the first indication information.
Web server and the communication server share a database, the computing formula of the positional information of the message identification, signal that can store the original message that signal is corresponding in database in the original message corresponding with it, signal, unit etc., above-mentioned information can take mapping form as carrier storage in database, can certainly be stored with other forms, here the embodiment of the present invention is not done concrete restriction.
This mapping form comprises all messages of defining in vehicle and the corresponding relation of signal, if claim that the message identification, the computing formula of this signal positional information, this signal in the original message corresponding with it of the original message that each signal is corresponding, the unit that this signal is corresponding are a record, vehicle has defined several signals so, and how many records are just arranged in this mapping form.
The communication server can find out the record of echo signal from database, the communication server can directly generate the first indication information according to the record of echo signal, certainly, also can only obtain the part of echo signal record as the first indication information, i.e. message identification and the positional information of echo signal in the target original message corresponding with it of target original message corresponding to echo signal.
Here claim that the message defined is original message before dispatching from the factory, to be distinguished with new message to be created.
Step S302: according to the length of echo signal and message can storage signal maximum length, determine the echo signal and the positional information of echo signal in the to be created new message corresponding with it that comprise in each new message to be created, and be each above-mentioned new message assignment message sign to be created.
Preferably, according to the length of above-mentioned echo signal and message can storage signal maximum length, the number of the new message to be created of determining is more few better.
Different messages can storage signal the maximum length difference, for example the maximum length of CAN message institute energy storage signal is 8 bytes, the related message of the embodiment of the present invention is not defined as the CAN message, the message of other types also can.The CAN message of below take describes as example.
Suppose that the echo signal that the user need to gather is: vehicle speed signal, gear signal, engine rotational speed signal and mileage signal, and the length of vehicle speed signal is 2 bytes, the length of gear signal is 1 byte, the length of engine rotational speed signal is 6 bytes, the length of mileage signal is 5 bytes, preferably, vehicle speed signal and engine rotational speed signal can be formed to the new message of 8 bytes, can be by gear signal the new message with 6 bytes of mileage signal composition.Certainly vehicle speed signal, gear signal, engine rotational speed signal, mileage signal can form respectively the new message of 2 bytes, 1 byte, 6 bytes, 5 bytes.
Step S303: obtain and include the message identification of new message to be created corresponding to echo signal, the second indication information of the positional information of echo signal in the to be created new message corresponding with it.
Step S304: send the first indication information and the second indication information to mobile terminal, the foundation that the first indication information is the above-mentioned echo signal of acquisition for mobile terminal, the second indication information is the foundation that mobile terminal generates the new message that includes echo signal.
After the communication server generates the first indication information and the second indication information, also need the second indication information is sent in database, so that Web server reads the echo signal in new message by the second indication information.
The second indication information can be form, if the unit that the message identification of the new message to be created that in echo signal, each signal is corresponding, this signal is corresponding in the positional information of the to be created new message corresponding with it, computing formula, this signal that this signal is corresponding is as a record, echo signal comprises that several signals just comprise several records in the second indication information so.Obtain echo signal in the new message that now Web server can directly be stored from database according to the second indication information of storing in database, so can not set up the second indication information associated with the mapping form of storing in database (in database, canned data is stored with the form of mapping form) here.
When the second indication information comprises message identification, the positional information of echo signal in the to be created new message corresponding with it of the new message to be created that echo signal is corresponding, and while not comprising other information in above-mentioned record, need to set up mapping form associated of the second indication information and database storage, this is the message identification that the second indication information need to comprise the target original message that echo signal is corresponding, and the positional information of echo signal in the target original message corresponding with it.
Setting up the mapping form method associated with the second indication information in prior art has multiple, for example, major key using " message identification of the corresponding original message of signal " in mapping form in database and " positional information of signal in the original message corresponding with it " as mapping form, the major key in database is the composite key be comprised of " message identification of the corresponding original message of signal " and " positional information of signal in the original message corresponding with it ".By " message identification of the target original message that echo signal is corresponding " and " positional information of echo signal in the target original message corresponding with it " comprised in the second indication information, external key as the second indication information, such the second indication information just can be set up associated with mapping form, when the Web server accessing database, find that the second indication information and mapping form have identical field, can rely on the second indication information and mapping form and create a virtual record, it is the message identification of new message to be created corresponding to echo signal, the positional information of echo signal in the to be created new message corresponding with it, the message identification of the target original message that echo signal is corresponding, the positional information of echo signal in the target original message corresponding with it, the computing formula of echo signal, the unit that echo signal is corresponding.
Suppose that vehicle speed signal is stored in first byte in the original message that message identification is 101, the data of first byte storage of the original message that message identification is 101 are 100, suppose that the formula corresponding with vehicle speed signal is first byte data of message * 2 that message identification is 101, the km/h of unit that vehicle speed signal is corresponding.Vehicle speed signal is stored in the 3rd byte in the new message that message identification is 200, if the second indication information comprises computing formula and the unit of vehicle speed signal, directly according to the second indication information, can directly to obtain the speed of a motor vehicle be 200km/h to Web server.If do not comprise computing formula and the unit of vehicle speed signal in the second indication information, the message identification of original message that so can be corresponding by speed information in the second indication information, and the positional information of speed information in the original message corresponding with it, (complete documentation comprises the message identification of the original message that speed information is corresponding here to obtain in database in mapping form the complete documentation of speed information, the positional information of speed information in the original message corresponding with it, the computing formula of vehicle speed signal, unit), at this moment just can find computing formula and the unit of vehicle speed signal.
Refer to Fig. 4, in a kind of message forming method provided by the embodiment of the present invention according to the length of echo signal and message the maximum length of energy storage signal, determine the method flow schematic diagram of a kind of implementation of the echo signal that comprises in each new message to be created and the positional information of echo signal in the to be created new message corresponding with it, the method comprises:
Step S401: according to the length of each signal in echo signal, determine the first signal combination, first signal be combined as length equal message can storage signal a signal of maximum length or the combination of a plurality of signals, length according to each residual signal in echo signal, determine that secondary signal combination, secondary signal are combined as the combination of one or more signals that length is less than the maximum length of message institute energy storage signal.
In echo signal, each signal only is combined once.
The hypothetical target signal comprises 9 signals, the length of these 9 signals is respectively 3 bytes, 5 bytes, 5 bytes, 6 bytes, 6 bytes, 6 bytes, 2 bytes, 1 byte, 8 bytes, wherein, the first signal combination comprises: (3 bytes, 5 bytes), (6 bytes, 2 bytes), 8 bytes, secondary signal combination comprises: (6 bytes, 1 byte), 6 bytes, 5 bytes, wherein each signal in combining with secondary signal of each signal in the first signal combination is different.
Certainly the secondary signal combination can be also: (5 bytes, 1 byte), 6 bytes, 6 bytes.
The secondary signal combination can also be: 5 bytes, 1 byte, 6 bytes, 6 bytes.The length of secondary signal combination can by be less than message the arbitrary value of maximum length of energy storage signal.Preferably, the first combination makes the number of new message to be created more few better with the second combination.
Above-mentioned use () means to form the signal combination of a new message to be created.
Step S402: according to first signal combination and secondary signal combination, determine the echo signal and the positional information of echo signal in the to be created new message corresponding with it that comprise in each new message to be created.
Still take above-mentioned is example, owing to determining which signal combination in echo signal, becomes a new message to be created, so can determine the echo signal comprised in each new message to be created according to first signal combination and secondary signal combination.Each signal is positioned at the particular location of new message to be created, due to the execution that does not affect the embodiment of the present invention, so this is not done to concrete restriction.
Describe method in detail in the disclosed embodiment of the invention described above, for method of the present invention, can adopt the device of various ways to realize, therefore the invention also discloses multiple device, below provide specific embodiment and be elaborated.
Refer to Fig. 5, the structural representation of a kind of mobile terminal provided for the embodiment of the present invention, this mobile terminal comprises: receiver module 501, obtain echo signal module 502 and composite module 503, wherein:
Receiver module 501, the message identification of the target original message that the echo signal sent for the received communication server is corresponding, the message identification of echo signal corresponding new message to be created in positional information, the echo signal of the target original message corresponding with it and described echo signal with its corresponding to be created new message in positional information.
Obtain echo signal module 502, be used for for the arbitrary signal of echo signal, the message identification of corresponding target original message according to this signal, obtain the target original message with this message identification from the original message received, positional information according to this signal in the target original message corresponding with it obtains this signal from the target original message.
Composite module 503, in the positional information of the to be created new message corresponding with it, become new message by each signal combination in echo signal for the message identification of the new message to be created corresponding according to echo signal and echo signal.
Refer to Fig. 6, the structural representation of a kind of communication server provided for the embodiment of the present invention, this communication server comprises: first obtain module 601, determination module 602, second obtains module 603 and sending module 604, wherein:
First obtains module 601, while being used for receiving the indication that gathers echo signal, correspondence relationship information according to the echo signal of storing in database and target original message, acquisition includes the message identification of target original message corresponding to echo signal, and the first indication information of the positional information of echo signal in the target original message corresponding with it.
Second obtains module 603, for acquisition, includes the message identification, echo signal of new message to be created corresponding to echo signal the second indication information in the positional information of the to be created new message corresponding with it.;
Sending module 604, for to mobile terminal, sending the first indication information and the second indication information, the foundation that the first indication information is the described echo signal of acquisition for mobile terminal, the second indication information is the foundation that mobile terminal generates the new message that includes described echo signal.
Refer to Fig. 7, the structural representation of a kind of implementation of determination module in a kind of communication server provided for the embodiment of the present invention, this determination module comprises: the first determining unit 701, the second determining unit 702 and allocation units 703, wherein:
The first determining unit 701, for the length according to each signal of echo signal, determine the first signal combination, first signal be combined as length equal message can storage signal a signal of maximum length or the combination of a plurality of signals, length according to each residual signal in echo signal, determine that secondary signal combination, secondary signal are combined as the combination of one or more signals that length is less than the maximum length of message institute energy storage signal.
In echo signal, each signal only is combined once.
The second determining unit 702, for according to first signal combination and secondary signal combination, determine the echo signal and the positional information of echo signal in the to be created new message corresponding with it that comprise in each new message to be created.
The second indication information can also comprise message identification and the positional information of echo signal in the original message corresponding with it of the original message that echo signal is corresponding.
A kind of message generation system that the embodiment of the present invention provides, this system comprises: the communication server and mobile terminal, wherein:
The communication server comprises: first obtains module, while being used for receiving the indication that gathers echo signal, correspondence relationship information according to the echo signal of storing in database and target original message, acquisition includes the message identification of target original message corresponding to echo signal, and the first indication information of the positional information of echo signal in the target original message corresponding with it; Determination module, for the maximum length according to the length of echo signal and message institute energy storage signal, determine the echo signal and the positional information of echo signal in the to be created new message corresponding with it that comprise in each new message to be created, and be each new message allocation identification to be created; Second obtains module, for acquisition, includes the message identification, echo signal of new message to be created corresponding to echo signal the second indication information in the positional information of the to be created new message corresponding with it; Sending module, for sending the first indication information and the second indication information to mobile terminal.
Web server receives the indication of the collection echo signal of user's input, and the indication of this collection echo signal is sent to the above-mentioned communication server.
Mobile mobile terminal comprises: receiver module, the message identification of the target original message that the echo signal sent for the received communication server is corresponding, the message identification of echo signal corresponding new message to be created in positional information, the echo signal of the target original message corresponding with it and echo signal with its corresponding to be created new message in positional information; Obtain the echo signal module, be used for for the arbitrary signal of echo signal, the message identification of corresponding target original message according to this signal, obtain the target original message with this message identification from the original message received, positional information according to this signal in the target original message corresponding with it obtains this signal from the target original message; Composite module, in the positional information of the to be created new message corresponding with it, become new message by each signal combination in echo signal for the message identification of the new message to be created corresponding according to echo signal and echo signal.
After the communication server generates the first indication information and the second indication information, also need the second indication information is sent in database, so that Web server reads the echo signal in new message by the second indication information.
Above-mentioned the second indication information can also comprise computing formula and the unit of echo signal, certain the second indication information also can not comprise computing formula and the unit of echo signal, but now should comprise an index field, even the mapping form of storing in database produces associated information with the second indication information, for example " message identification of the original message that echo signal is corresponding " and " positional information of echo signal in the original message corresponding with it ", during the index field of Web server in the second indication information being detected, can find the computing formula corresponding with echo signal and unit according to the mapping form in database.
Suppose that vehicle speed signal is stored in first byte in the original message that message identification is 101, the data of first byte storage of the original message that message identification is 101 are 100, suppose that the formula corresponding with vehicle speed signal is first byte data of message * 2 that message identification is 101, the km/h of unit that vehicle speed signal is corresponding.Vehicle speed signal is stored in the 3rd byte in the new message that message identification is 200, if the second indication information comprises computing formula and the unit of vehicle speed signal, directly according to the second indication information, can directly to obtain the speed of a motor vehicle be 200km/h to Web server.If do not comprise computing formula and the unit of vehicle speed signal in the second indication information, the message identification of original message that so can be corresponding by speed information in the second indication information, and the positional information of speed information in the original message corresponding with it, (complete documentation comprises the message identification of the original message that speed information is corresponding here to obtain in database in mapping form the complete documentation of speed information, the positional information of speed information in the original message corresponding with it, the computing formula of vehicle speed signal, unit), at this moment just can find computing formula and the unit of vehicle speed signal.
For those skilled in the art understand the embodiment of the present invention more, below lift an object lesson above-described embodiment is described.
Refer to Fig. 8, the instantiation figure of a kind of message generation system provided for the embodiment of the present invention.
In figure, message identification means with ID, and the signal length that message can carry means with DLC, and the concrete signal that message carries means with DATA.
As can be seen from Figure 8 the first message identification of the first message is 100, DLC is 8 byte, the gear signal of vehicle is stored in first byte (gear signal that means vehicle with SignalA) of the first message, and 8 bytes of the 2nd byte to the of the first message are deposited other signals.
The second message of the second message is designated 101, DLC is 6 bytes, vehicle speed signal is stored in the 4th byte and the 5th byte (vehicle speed signal means with SignalB) of the second message, 3 bytes of the 1st byte to the of the second message, the 6th other signals of bytes store.
In the message generation system that the embodiment of the present invention provides, car-mounted terminal can extract shift signal from the first message, vehicle speed signal will be extracted in the second message, and be the new message that 3 byte message identifications are 200 by shift signal and a DLC of vehicle speed signal generation.
The length of the message that is as can be seen from the figure 200 by ID, than few 11 bytes of total length with message 101 by message 100, thereby saved network transmission resource.
Refer to Fig. 9, the sequential chart of a kind of message generative process provided for the embodiment of the present invention.
To be the vehicle net system of take in vehicle describe as example the embodiment of the present invention, and vehicle net system comprises: Web server 1, the communication server 2, database 3 and mobile terminal 4.
Step S901:Web server 1 is sent to the communication server 2 by the indication of the collection echo signal that receives.
The user can input the instruction that obtains echo signal on Web server 1, when Web server 1 receives the indication that gathers echo signal, the indication of this collection echo signal can be sent to the communication server 2.
Echo signal that the user need to obtain may more than one, means a general designation of all signals that the user need to obtain here by echo signal, and echo signal at least comprises the signal that a user need to obtain.
Step S902: the communication server 2 generates the first indication information.
The first indication information comprises message identification, the positional information of echo signal in the target original message corresponding with it of target original message.
Web server 1 shares a database with the communication server 2, the computing formula of the positional information of the message identification, signal that stores the original message that signal is corresponding in database 3 in the original message corresponding with it, signal, unit etc., above-mentioned information can take mapping form as carrier storage in database 3, can certainly be stored with other forms, here the embodiment of the present invention is not done concrete restriction.
This mapping form comprises all messages of defining in vehicle and the corresponding relation of signal, claim that the message identification, the computing formula of this signal positional information, this signal in the original message corresponding with it of the original message that each signal is corresponding, the unit that this signal is corresponding are a record, vehicle has defined several signals so, and how many records are just arranged in this mapping form.
The communication server 2 can find out the record of echo signal from database 3, the communication server 2 can directly generate the first indication information according to the record of echo signal, certainly, also can only obtain the part of echo signal record as the first indication information, i.e. message identification and the positional information of echo signal in the target original message corresponding with it of target original message corresponding to echo signal.
Here claim that the message defined is original message before dispatching from the factory, to be distinguished with new message to be created.
Step S903: the communication server 2 obtains the second indication information.
The communication server 2 according to the length of echo signal and message can storage signal maximum length, determine the echo signal and the positional information of above-mentioned echo signal in the to be created new message corresponding with it that comprise in each new message to be created, and be each above-mentioned new message assignment message sign to be created.
The second indication information can comprise message identification, the positional information of echo signal in the to be created new message corresponding with it of the new message to be created that echo signal is corresponding.
The second indication information can also comprise the information such as the computing formula, unit of echo signal.
The second indication information can be form, if the unit that the message identification of the new message to be created that in echo signal, each signal is corresponding, this signal is corresponding in the positional information of the to be created new message corresponding with it, computing formula, this signal that this signal is corresponding is as a record, echo signal comprises that several signals just comprise several records in the second indication information so.
Certain the second indication information can not comprise the information such as the computing formula, unit of echo signal.
Step S904: the communication server 2 sends the first indication information and the second indication information to mobile terminal 4, and the second indication information is stored to database 3.
Step S905: mobile terminal 4 obtains echo signal according to the first indication information.
May comprise the signal that a plurality of users need to obtain in echo signal, the signal that the user need to obtain may be stored in a target original message, also may be stored in a plurality of different target original messages.
Step S906: mobile terminal 4 is combined each signal in echo signal according to the second indication information, generates new message.
The second indication information comprises message identification, the positional information of echo signal in the to be created new message corresponding with it of the new message to be created that echo signal is corresponding, the positional information of echo signal in the to be created new message corresponding with it, refer to the positional information of each signal in the to be created new message corresponding with it in echo signal.
So mobile terminal 4 can be according to echo signal the positional information in the to be created new message corresponding with it, each signal in echo signal is combined.
Step S907: mobile terminal 4 is sent to the communication server 2 by the new message generated.
The new message generated may be a plurality of, may be also one.
Obtain a vehicle speed signal if the user sets every 5 seconds, new message can also comprise temporal information, in order to separate with the new message field that carries vehicle speed signal of follow-up acquisition.During vehicle speed signal before the user need to check 5 seconds, obtain the new message with corresponding temporal information in the message that Web server also can be stored according to the temporal information in the new message of storing in database from database.
Step S908: the communication server 2 by new packet storage to database 3.
Obtain echo signal in the new message that step S909:Web server 1 is stored from database 3 according to the second indication information of storage in database 3.
The second indication information comprises message identification, the positional information of echo signal in the to be created new message corresponding with it of the new message to be created that echo signal is corresponding.
The second indication information can be form, if the unit that the message identification of the new message to be created that in echo signal, each signal is corresponding, this signal is corresponding in the positional information of the to be created new message corresponding with it, computing formula, this signal that this signal is corresponding is as a record, echo signal comprises that several signals just comprise several records in the second indication information so.Obtain echo signal in the new message that now Web server 1 can directly be stored from database according to the second indication information of storage in database 3, so can not set up the second indication information associated with the mapping form of storage in database 3 (in database, canned data is stored with the form of mapping form) here.
When the second indication information comprises message identification, the positional information of echo signal in the to be created new message corresponding with it of the new message to be created that echo signal is corresponding, and while not comprising other information in above-mentioned record, need to set up mapping form associated of the second indication information and database 3 storages, this is the message identification of the second indication information target original message of also needing to comprise that echo signal is corresponding, and the positional information of echo signal in the target original message corresponding with it.
Setting up the mapping form method associated with the second indication information in prior art has multiple, for example, major key using " message identification of the corresponding original message of signal " in mapping form in database and " positional information of signal in the original message corresponding with it " as mapping form, the major key in database is the composite key be comprised of " message identification of the corresponding original message of signal " and " positional information of signal in the original message corresponding with it ".By " message identification of the target original message that echo signal is corresponding " and " positional information of echo signal in the target original message corresponding with it " comprised in the second indication information, external key as the second indication information, such the second indication information just can be set up associated with mapping form, when the Web server accessing database, find that the second indication information and mapping form have identical field, can rely on the second indication information and mapping form and create a virtual record, the message identification that comprises the new message to be created that echo signal is corresponding, the positional information of echo signal in the to be created new message corresponding with it, the message identification of the target original message that echo signal is corresponding, the positional information of echo signal in the target original message corresponding with it, the computing formula of echo signal, the record of the unit that echo signal is corresponding.So Web server 1 can obtain echo signal in the new message from database.
It should be noted that, each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.For device or system class embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part gets final product referring to the part explanation of embodiment of the method.
Also it should be noted that, in this article, relational terms such as the first and second grades only is used for an entity or operation are separated with another entity or operating space, and not necessarily requires or imply between these entities or operation the relation of any this reality or sequentially of existing.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make the process, method, article or the equipment that comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.In the situation that not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The software module that the method for describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to carry out, or the combination of the two is implemented.Software module can be placed in the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a message forming method, is characterized in that, comprising:
The message identification of the new message to be created that message identification, positional information, the described echo signal of described echo signal in the target original message corresponding with it of the target original message that the echo signal that the received communication server sends is corresponding is corresponding and described echo signal with its corresponding to be created new message in positional information;
For arbitrary signal in described echo signal, the message identification of corresponding target original message according to described signal, obtain the target original message with this message identification from the original message received, positional information according to described signal in the target original message corresponding with it obtains described signal from described target original message;
According to described echo signal, the message identification of corresponding new message to be created and the described echo signal positional information in the to be created new message corresponding with it, become new message by each signal combination in echo signal.
2. message forming method according to claim 1, is characterized in that, the message identification of described new message to be created belongs to default sign scope, and described default sign scope does not comprise the message identification of original message.
3. a message forming method, is characterized in that, comprising:
While receiving the indication that gathers echo signal, correspondence relationship information according to the echo signal of storing in database and target original message, acquisition includes the message identification of target original message corresponding to described echo signal, and the first indication information of the positional information of described echo signal in the target original message corresponding with it;
According to the length of described echo signal and message can storage signal maximum length, determine the echo signal and the positional information of described echo signal in the to be created new message corresponding with it that comprise in each new message to be created, and be each described new message assignment message sign to be created;
Acquisition includes the second indication information of the message identification of new message to be created corresponding to described echo signal, the positional information of described echo signal in the to be created new message corresponding with it;
Send described the first indication information and the second indication information to mobile terminal, the foundation that described the first indication information is the described echo signal of described acquisition for mobile terminal, described the second indication information is the foundation that described mobile terminal generates the new message that includes described echo signal.
4. message forming method according to claim 3, it is characterized in that, the described length according to described echo signal and message can storage signal maximum length, determine that the echo signal and the positional information of described echo signal in the to be created new message corresponding with it that comprise in each new message to be created comprise:
Length according to each signal in described echo signal, determine the first signal combination, described first signal be combined as length equal described message can storage signal a signal of maximum length or the combination of a plurality of signals, length according to each residual signal in described echo signal, determine the secondary signal combination, described secondary signal be combined as length be less than described message can storage signal the combination of one or more signals of maximum length, in described echo signal, each signal only is combined once;
According to described first signal combination and the combination of described secondary signal, determine the echo signal and the positional information of described echo signal in the to be created new message corresponding with it that comprise in described each new message to be created.
5. according to the described message forming method of claim 3 or 4, it is characterized in that, described the second indication information also comprises message identification and the positional information of described echo signal in the original message corresponding with it of the original message of described echo signal.
6. a mobile terminal, is characterized in that, comprising:
Receiver module, the message identification of the message identification of the target original message that the echo signal sent for the received communication server is corresponding, the described echo signal corresponding new message to be created in the positional information of the target original message corresponding with it, described echo signal and described echo signal with its corresponding to be created new message in positional information;
Obtain the echo signal module, be used for for the arbitrary signal of described echo signal, the message identification of corresponding target original message according to described signal, obtain the target original message with this message identification from the original message received, positional information according to described signal in the target original message corresponding with it obtains described signal from described target original message;
Composite module, in the positional information of the to be created new message corresponding with it, become new message by each signal combination in echo signal for the message identification of the new message to be created corresponding according to described echo signal and described echo signal.
7. a communication server, is characterized in that, comprising:
First obtains module, while being used for receiving the indication that gathers echo signal, correspondence relationship information according to the echo signal of storing in database and target original message, acquisition includes the message identification of target original message corresponding to described echo signal, and the first indication information of the positional information of described echo signal in the target original message corresponding with it;
Determination module, for the maximum length according to the length of described echo signal and message institute energy storage signal, determine the echo signal and the positional information of described echo signal in the to be created new message corresponding with it that comprise in each new message to be created, and be each described new message assignment message sign to be created;
Second obtains module, for acquisition, includes the message identification of new message to be created corresponding to described echo signal, described echo signal the second indication information in the positional information of the to be created new message corresponding with it;
Sending module, for to mobile terminal, sending described the first indication information and the second indication information, the foundation that described the first indication information is the described echo signal of described acquisition for mobile terminal, described the second indication information is the foundation that described mobile terminal generates the new message that includes described echo signal.
8. the communication server according to claim 7, is characterized in that, described determination module comprises:
The first determining unit, for the length according to described each signal of echo signal, determine the first signal combination, described first signal be combined as length equal described message can storage signal a signal of maximum length or the combination of a plurality of signals, length according to each residual signal in described echo signal, determine the secondary signal combination, described secondary signal be combined as length be less than described message can storage signal the combination of one or more signals of maximum length, in described echo signal, each signal only is combined once;
The second determining unit, for according to described first signal combination and the combination of described secondary signal, determine the echo signal and the positional information of described echo signal in the to be created new message corresponding with it that comprise in described each new message to be created;
Allocation units, be used to each described new message allocation identification to be created.
9. according to the described communication server of claim 7 or 8, it is characterized in that, described the second indication information also comprises message identification and the positional information of described echo signal in the original message corresponding with it of the original message of described echo signal.
10. a message generation system, is characterized in that, comprising: the communication server and mobile terminal,
The described communication server comprises: first obtains module, while being used for receiving the indication that gathers echo signal, correspondence relationship information according to the echo signal of storing in database and target original message, acquisition includes the message identification of target original message corresponding to described echo signal, and the first indication information of the positional information of described echo signal in the target original message corresponding with it; Determination module, for the maximum length according to the length of described echo signal and message institute energy storage signal, determine the echo signal and the positional information of described echo signal in the to be created new message corresponding with it that comprise in each new message to be created, and be each described new message allocation identification to be created; Second obtains module, for acquisition, includes the message identification of new message to be created corresponding to described echo signal, described echo signal the second indication information in the positional information of the to be created new message corresponding with it; Sending module, for sending described the first indication information and the second indication information to described mobile terminal;
Described mobile mobile terminal comprises: receiver module, the message identification of the message identification of the target original message that the echo signal sent for the received communication server is corresponding, the described echo signal corresponding new message to be created in the positional information of the target original message corresponding with it, described echo signal and described echo signal with its corresponding to be created new message in positional information; Obtain the echo signal module, be used for for the arbitrary signal of described echo signal, the message identification of corresponding target original message according to described signal, obtain the target original message with this message identification from the original message received, positional information according to described signal in the target original message corresponding with it obtains described signal from described target original message; Composite module, in the positional information of the to be created new message corresponding with it, become new message by each signal combination in echo signal for the message identification of the new message to be created corresponding according to described echo signal and described echo signal.
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