CN103312786A - Vehicle-mounted terminal remote upgrading method and car networking system - Google Patents
Vehicle-mounted terminal remote upgrading method and car networking system Download PDFInfo
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- CN103312786A CN103312786A CN201310184686XA CN201310184686A CN103312786A CN 103312786 A CN103312786 A CN 103312786A CN 201310184686X A CN201310184686X A CN 201310184686XA CN 201310184686 A CN201310184686 A CN 201310184686A CN 103312786 A CN103312786 A CN 103312786A
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Abstract
The invention provides a vehicle-mounted terminal remote upgrading method. The method comprises the following steps of searching for the version number of a vehicle-mounted terminal and judging whether the current version of the vehicle-mounted terminal is required to be upgraded or not; if so, sending an upgrading request to the vehicle-mounted terminal; and after receiving a response message allowing receiving an upgrading packet fed back by the vehicle-mounted terminal, sending the upgrading packet to the vehicle-mounted terminal through a mobile communication network. The invention also provides a car networking system adopting the vehicle-mounted terminal remote upgrading method.
Description
Technical field
The present invention relates to the car networking technology, especially, relate to a kind of car-mounted terminal remote upgrade method and car networked system.
Background technology
Along with the development of car networking technology, intelligent vehicle mounted terminal is widely used among the automobile, is used for realizing remote monitoring and remote control to automobile.When traditional intelligent vehicle mounted terminal carries out software upgrading at needs, need service provider that packet is offered vehicle maintenance side, the staff of vehicle maintenance side (such as the 4S shop) again Advise By Wire car owner reaches position, vehicle maintenance side with automobile, after this staff is connected to computer by wired mode with described intelligent vehicle mounted terminal, and the upgrade data of Computer Storage imported to described intelligent vehicle mounted terminal, control again described intelligent vehicle mounted terminal and move described upgrade data and realize software upgrading.But, above-mentioned upgrade method is very loaded down with trivial details, brings inconvenience not only for car owner's trip, and increases burden for the work of vehicle maintenance side.
Summary of the invention
The technical problem that the present invention mainly solves is the loaded down with trivial details problem of intelligent vehicle mounted terminal upgrading of prior art.
In order to solve the problems of the technologies described above, the present invention at first provides a kind of car-mounted terminal remote upgrade method, and described method comprises: the version number of inquiry car-mounted terminal, and judge whether described car-mounted terminal current software version needs upgrading; If need upgrading, send upgrade request to described car-mounted terminal; Receiving after expression that described car-mounted terminal returns allows to receive the response message of upgrading data packet, send upgrading data packet by mobile communications network to described car-mounted terminal.
In a kind of preferred embodiment of car-mounted terminal remote upgrade method provided by the invention, described car-mounted terminal comprises the microcontroller with memory cell, described memory cell comprises that the upgrade data that wherein said car-mounted terminal carries described upgrading data packet stores described the 3rd program storage area into for the first program storage area of storage boot, for the second program storage area and the 3rd program storage area of storage main program.
In a kind of preferred embodiment of car-mounted terminal remote upgrade method provided by the invention, also comprise: described car-mounted terminal is controlled its microcontroller and is restarted voluntarily and move ROMPaq after described upgrading data packet is sent completely.
In a kind of preferred embodiment of car-mounted terminal remote upgrade method provided by the invention, described car-mounted terminal is controlled its microcontroller and restarted voluntarily and move ROMPaq and comprise: described microcontroller is after restarting, at first move the boot of described the first program storage area, and judge whether described the 3rd program storage area stores ROMPaq; If described the 3rd program storage area stores described ROMPaq, described microcontroller copies described ROMPaq to described the second program storage area, and cover the main program of the original storage of described the second program storage area, after copy is finished, described microcontroller jumps to described the second program storage area, and moves the ROMPaq of described the second program storage area copy; If described the 3rd program storage area is not stored described ROMPaq, described microcontroller jumps to described the second program storage area, and directly moves the main program of the original storage of described the second program storage area.
In a kind of preferred embodiment of car-mounted terminal remote upgrade method provided by the invention, also comprise: detect the running status of the vehicle at the presence of described car-mounted terminal and described car-mounted terminal place, and judge whether described car-mounted terminal can carry out updating operation.
In a kind of preferred embodiment of car-mounted terminal remote upgrade method provided by the invention, describedly judge whether described car-mounted terminal can carry out updating operation and comprise: if it is online to detect described car-mounted terminal, and the vehicle at described car-mounted terminal place is in dead ship condition, judges described car-mounted terminal and can carry out updating operation; Be in running status if detect the vehicle at the not online or described car-mounted terminal of described car-mounted terminal place, judge described car-mounted terminal and cannot carry out updating operation.
In a kind of preferred embodiment of car-mounted terminal remote upgrade method provided by the invention, also comprise: described car-mounted terminal is after receiving described upgrade request, and new software version number and himself software version number that described upgrading order is carried compare; If new software version meets the rule of self software version, then return the upgrading response that expression allows to receive upgrading data packet; If do not meet, then return the upgrading response of expression rejection upgrading data packet.
In a kind of preferred embodiment of car-mounted terminal remote upgrade method provided by the invention, described upgrade request comprises new software version number and upgrading data packet size, the upgrading response that described expression allows to receive upgrading data packet comprises that described new software version number, described upgrading data packet size and permission receive sign, and the upgrading response of described expression rejection upgrading data packet comprises described new software version number, described upgrading data packet is big or small and the rejection sign.
In a kind of preferred embodiment of car-mounted terminal remote upgrade method provided by the invention, also comprise: after the transmission of finishing described upgrading data packet, provide to described car-mounted terminal and to be sent completely Indication message, the described Indication message that is sent completely comprises described new software version number and return instruction, and described car-mounted terminal receive described be sent completely Indication message after, echo-plex is finished and is returned response, and described transmission is finished and returned response and described to be sent completely Indication message identical.
The present invention also provides a kind of car networked system that can adopt above-mentioned car-mounted terminal remote upgrade method, described car networked system comprises server, car-mounted terminal and portable terminal, described server is connected to the Internet, described portable terminal is connected to mobile communications network, described car-mounted terminal is connected to described the Internet by described mobile communications network, wherein, described server is used for the version number of inquiry car-mounted terminal, and judge whether described car-mounted terminal current software version needs upgrading, if need upgrading, send upgrade request to described car-mounted terminal; Receiving after expression that described car-mounted terminal returns allows to receive the response message of upgrading data packet, send upgrading data packet by mobile communications network to described car-mounted terminal.
Compared to prior art, in car-mounted terminal remote upgrade method provided by the invention and car networked system, described server can directly be set up long-range the connection by described mobile communications network with described car-mounted terminal, and directly by described long-range connection upgrading data packet is sent to described car-mounted terminal, described car-mounted terminal can be realized online upgrading thus, need not the car owner and vehicle is reached vehicle maintenance side carry out software upgrading, therefore described car-mounted terminal remote upgrade method is simply efficient.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the structural representation of a kind of embodiment of car networked system provided by the invention;
Fig. 2 is the schematic flow sheet of a kind of embodiment of car-mounted terminal remote upgrade method provided by the invention.
Embodiment
The below will be clearly and completely described the technical scheme in the embodiment of the invention, and obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
See also Fig. 1, it is the structural representation of a kind of embodiment of car networked system 100 provided by the invention.Described car-mounted terminal remote update system 100 comprises server 110, the Internet 120, GPRS (General Packet Radio Service, GPRS) network 130, global system for mobile communications (Global System for Mobile Communications, GSM) network 140, car-mounted terminal 150 and portable terminal 160.Wherein, described server 110 can be connected to described the Internet 120 by wired mode, described car-mounted terminal 150 and described portable terminal 160 can be linked into described the Internet 120 with wireless mode by described GPRS network 130, and, described car-mounted terminal 150 be connected portable terminal 160 and can connect by described GSM network 140.Described car-mounted terminal 150 can further be connected with controller of vehicle 170 by serial ports, such as alarm etc.
Described car-mounted terminal 150 can be intelligent vehicle mounted terminal, it can comprise microcontroller (Micro Control Unit, MCU) 152, mobile communication module 151 and Global Navigation System (Global Positioning System, GPS) module 153, wherein, described mobile communication module 151 and described GPS module 153 can be connected to described microcontroller 152, and described microcontroller 152 can further be connected to described controller of vehicle 170.Described mobile communication module 151 can comprise client identification module (Subscriber Identity Module, SIM) card, and it can be connected to described GPRS network 130 and described GSM network 140, be used for described GPRS network 130 be connected GSM network 140 and set up radio communication and be connected.Described GPS module 153 can receive the gps satellite navigation signal, and provides navigation Service for vehicle.
Described portable terminal 160 can be smart mobile phone or panel computer etc., and it can be used as the automobile intelligent key, realizes Long-distance Control and the vehicle operating parameters of vehicle are inquired about by software control or phonetic dialing.
Described server 110 can be background server, it disposes car owner's platform 111, maintenance side's platform 112 and management platform 113, wherein said car owner's platform 111 can be for the car owner login main information setting of driving of going forward side by side, such as car owner's number being set, car owner's speech cipher is set, the setting of application software login password and other car owner's relevant informations being set.It can login described maintenance side platform 112 and registration and the setting of the side's of maintenance relevant information for vehicle maintenance side (such as the 4S shop), such as registration owner information, car-mounted terminal sequence number (Sequence Number, SN), car-mounted terminal SIM card number, arrange 4S point staff the work authority, the setting of vehicle maintenance configuration information and other vehicle maintenance sides relevant information is set.Described management platform 113 is management platforms of car internet services provider, and described management platform 113 can be carried out account registration and data upgrade maintenance etc. for described service provider.
For realizing Long-distance Control and the remote parameter inquiry to vehicle, in one embodiment, described portable terminal 160 can be equipped with vehicle control application software, the car owner can issue control command to described car-mounted terminal 150 by described vehicle control application software, such as being vehicle door lock instruction, car door unlock command or remote control enabled instruction etc.Described control command can be transferred to described car-mounted terminal 150 by described GPRS network 130, and received by described mobile communication module 151 and carry out being transmitted to described microcontroller 152 after the corresponding protocol conversion, described microcontroller 152 can according to described control command, indicate 170 pairs of vehicles of described controller of vehicle to control accordingly.
On the other hand, described controller of vehicle 170 can pass through I/O port or CAN bus collection vehicle operational factor, and described car-mounted terminal 150 can also directly obtain described vehicle operating parameters information from described controller of vehicle 170.And, the microcontroller 152 of described car-mounted terminal 150 can offer described mobile communication module 151 with described vehicle operating parameters information, on one's own initiative described vehicle operating parameters information is uploaded to described server 110 by described mobile communication module 151 by described GPRS network 130.Thus, car owner or vehicle maintenance side can control application software by the vehicle of described portable terminal 160 as required and sign in to described server 110, and from described server 110 real-time queries to described vehicle operating parameters information.
Alternately, in another kind of embodiment, the car owner can also utilize described portable terminal 160 and dial the SIM card number of described car-mounted terminal 150 by described GSM network 140, is connected thereby set up voice communication with the SIM card of described mobile communication module 151.Connect by described voice communication, the car owner just can issue phonetic control command to described car-mounted terminal 150, such as being vehicle door lock instruction, car door unlock command or remote control enabled instruction etc.Described microcontroller 152 can according to described phonetic control command, indicate 170 pairs of vehicles of described controller of vehicle to control accordingly.On the other hand, the car owner also can connect by voice communication, directly inquires about described vehicle operating parameters information etc. to described car-mounted terminal.
In the actual moving process of described car networked system 100, when the software version of described car-mounted terminal 150 employings has renewal, need to carry out upgrade maintenance to described car-mounted terminal 150.The invention provides a kind of simply efficiently car-mounted terminal remote upgrade method.See also Fig. 2, it is the schematic flow sheet of a kind of embodiment of car-mounted terminal remote upgrade method provided by the invention.Described car-mounted terminal remote upgrade method comprises:
Step S1 judges whether car-mounted terminal can carry out updating operation;
Described server 110 can at first detect the running status of the vehicle at the presence of described car-mounted terminal 150 and described car-mounted terminal 150 places.If it is online that described server 110 detects described car-mounted terminal 150, and the vehicle at described car-mounted terminal 150 places is in dead ship condition, and then described server 110 can be judged described car-mounted terminal 150 and can carry out updating operation.If it is not online that described server 110 detects described car-mounted terminal 150, then can its network connection of judging between described server 110 and the described car-mounted terminal 150 can't satisfy the upgrading requirement.If detecting the vehicle at described car-mounted terminal 150 places, described server 110 is in running status, for fear of the escalation process of described car-mounted terminal 150 car owner is driven and to cause interference, described server 110 also can think current cannot to carry out updating operation.
Step S2 inquires about the version number of described car-mounted terminal, and judges whether current version needs upgrading;
Particularly, when described server 110 is judged described car-mounted terminal 150 and can be carried out updating operation, it can inquire about the version number of the software version of described car-mounted terminal 150 current employings, and the software version of judging described car-mounted terminal 150 current employings according to described version number latest edition whether.If not, then judge the software version of described car-mounted terminal 150 current employings and need to upgrade.
Step S3 sends upgrade request to described car-mounted terminal, and receives the upgrading response that described car-mounted terminal returns;
Judging after described car-mounted terminal 150 need to carry out software release upgrade, described server 110 can send upgrade request to described car-mounted terminal 150 by described GPRS network 130, and described upgrade request can comprise new software version number (2 byte) and upgrading data packet size (4 byte).
Described car-mounted terminal 150 is after receiving described upgrade request, new software version number and himself software version number that at first described upgrading order can be carried compare, if new software version meets the rule of self software version, then return the upgrading response that expression allows to receive upgrading data packet to described server 110, the upgrading response that described permission receives upgrading data packet comprises described new software version number (2 byte), described upgrading data packet size (4 byte) and allows to receive sign (0x30).If do not meet, then return the upgrading response of expression rejection upgrading data packet to described server 110, the upgrading response of described rejection upgrading data packet comprises described new software version number (2 byte), described upgrading data packet size (4 byte) and rejection sign (0x31).The upgrading response that described car-mounted terminal 150 returns is transmitted by described GPRS network 130, and is received by described server 110.Wherein, in specific embodiment, described car-mounted terminal 150 self can have error correcting capability, such as cyclic redundancy check (CRC) (Cyclic Redundancy Check, CRC) ability.
Step S4 sends upgrading data packet to described car-mounted terminal;
Described server 110 receives described upgrading response and parses described permission reception sign (0x30) afterwards from described upgrading is corresponding from described car-mounted terminal 150, can send upgrading data packet to described car-mounted terminal 150 by described GPRS network 130.Described upgrading data packet can comprise upgrading data packet sequence number (PKNumber), bag size (PKSize) and upgrade data (Data).When receiving described upgrading data packet, described car-mounted terminal 150 can return confirmation of receipt message to described server 110 by described GPRS network 130.Described confirmation of receipt message can comprise described upgrading data packet sequence number (2 byte), new software version number (2 byte), AKU size (2 byte) and return instruction (RET, 1 byte).Wherein, if described cyclic redundancy check (CRC) is passed through, then described return instruction can be 0x30, if described cyclic redundancy check (CRC) is not passed through, then described return instruction can be 0x31.
In specific embodiment, the microcontroller 152 of described car-mounted terminal 150 can have memory cell, such as flash memory (Flash) unit.Described memory cell can comprise three program storage area, for ease of describing, below respectively with described three storage area called after the first program storage area, the second program storage area and the 3rd program storage area, wherein said the first program storage area is mainly used in storing boot, described the second program storage area is mainly used in storing main program, and described the 3rd program storage area is mainly used in storing ROMPaq.Therefore, described car-mounted terminal 150 can and be stored in the ROMPaq that obtains the 3rd program storage area of described microcontroller 152 with described upgrading data packet decapsulation after receiving described upgrading data packet.
Step S5 after the transmission of finishing described upgrading data packet, provides to described car-mounted terminal to be sent completely Indication message;
Described server 110 is after being sent completely of described upgrading data packet, can provide to described car-mounted terminal 150 by described GPRS network 130 and be sent completely Indication message, describedly be sent completely the transmission that Indication message is used to indicate described upgrading data packet and finish, it can comprise new software version number (2 byte) and return instruction (1 byte).Described car-mounted terminal 150 receive described be sent completely Indication message after, can finish to described server 110 echo-plexs by described GPRS network 130 equally and return response, described transmission finish return response can be with described to be sent completely Indication message identical, namely it can comprise described new software version number (2 byte) and described return instruction (1 byte) equally.Wherein, if described cyclic redundancy check (CRC) is passed through, then described return instruction can be 0x30, if described cyclic redundancy check (CRC) is not passed through, then described return instruction can be 0x31.
Step S6, described car-mounted terminal is restarted voluntarily, and the operation ROMPaq.
Described car-mounted terminal 150 is after described upgrading data packet is sent completely, and the internal processes that can control its microcontroller 152 is restarted voluntarily.Described microcontroller 152 at first moves the boot of described the first program storage area after restarting, and judges whether described the 3rd program storage area stores ROMPaq.
If described the 3rd program storage area stores described ROMPaq, described microcontroller 152 can copy described ROMPaq to described the second program storage area, and covers the main program of the original storage of described the second program storage area.After copy was finished, described microcontroller 152 jumped to described the second program storage area, and moved the ROMPaq of described the second program storage area copy, removed simultaneously the ROMPaq of described the 3rd program storage area storage.
If described the 3rd program storage area is not stored described ROMPaq, described microcontroller 152 can jump to described the second program storage area, and directly move the main program of the original storage of described the second program storage area, thereby avoid because software upgrade package is made mistakes or the problem that may cause described car-mounted terminal 150 to break down during erasable the going wrong of described memory cell.
In the car-mounted terminal remote upgrade method provided by the invention, described server 110 can directly be set up long-range the connection by described GPRS network 130 with described car-mounted terminal 150, and directly by described long-range connection upgrading data packet is sent to described car-mounted terminal 150, described car-mounted terminal 150 can be realized online upgrading thus, need not the car owner and vehicle is reached vehicle maintenance side carry out software upgrading, therefore described car-mounted terminal remote upgrade method is simply efficient.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a car-mounted terminal remote upgrade method is characterized in that, comprising:.
The version number of inquiry car-mounted terminal, and judge whether described car-mounted terminal current software version needs upgrading;
If need upgrading, send upgrade request to described car-mounted terminal;
Receiving after expression that described car-mounted terminal returns allows to receive the response message of upgrading data packet, send upgrading data packet by mobile communications network to described car-mounted terminal.
2. car-mounted terminal remote upgrade method according to claim 1, it is characterized in that, described car-mounted terminal comprises the microcontroller with memory cell, described memory cell comprises that the upgrade data that wherein said car-mounted terminal carries described upgrading data packet stores described the 3rd program storage area into for the first program storage area of storage boot, for the second program storage area and the 3rd program storage area of storage main program.
3. car-mounted terminal remote upgrade method according to claim 2 is characterized in that, also comprises: described car-mounted terminal is controlled its microcontroller and is restarted voluntarily and move ROMPaq after described upgrading data packet is sent completely.
4. car-mounted terminal remote upgrade method according to claim 3 is characterized in that, described car-mounted terminal is controlled its microcontroller and restarted voluntarily and move ROMPaq and comprise:
Described microcontroller at first moves the boot of described the first program storage area after restarting, and judges whether described the 3rd program storage area stores ROMPaq;
If described the 3rd program storage area stores described ROMPaq, described microcontroller copies described ROMPaq to described the second program storage area, and cover the main program of the original storage of described the second program storage area, after copy is finished, described microcontroller jumps to described the second program storage area, and moves the ROMPaq of described the second program storage area copy;
If described the 3rd program storage area is not stored described ROMPaq, described microcontroller jumps to described the second program storage area, and directly moves the main program of the original storage of described the second program storage area.
5. car-mounted terminal remote upgrade method according to claim 1, it is characterized in that, also comprise: detect the running status of the vehicle at the presence of described car-mounted terminal and described car-mounted terminal place, and judge whether described car-mounted terminal can carry out updating operation.
6. car-mounted terminal remote upgrade method according to claim 5 is characterized in that, describedly judges whether described car-mounted terminal can carry out updating operation and comprise:
If it is online to detect described car-mounted terminal, and the vehicle at described car-mounted terminal place is in dead ship condition, judges described car-mounted terminal and can carry out updating operation;
Be in running status if detect the vehicle at the not online or described car-mounted terminal of described car-mounted terminal place, judge described car-mounted terminal and cannot carry out updating operation.
7. car-mounted terminal remote upgrade method according to claim 1 is characterized in that, also comprises: described car-mounted terminal is after receiving described upgrade request, and new software version number and himself software version number that described upgrading order is carried compare; If new software version meets the rule of self software version, then return the upgrading response that expression allows to receive upgrading data packet; If do not meet, then return the upgrading response of expression rejection upgrading data packet.
8. car-mounted terminal remote upgrade method according to claim 7, it is characterized in that, described upgrade request comprises new software version number and upgrading data packet size, the upgrading response that described expression allows to receive upgrading data packet comprises that described new software version number, described upgrading data packet size and permission receive sign, and the upgrading response of described expression rejection upgrading data packet comprises described new software version number, described upgrading data packet is big or small and the rejection sign.
9. car-mounted terminal remote upgrade method according to claim 1, it is characterized in that, also comprise: after the transmission of finishing described upgrading data packet, provide to described car-mounted terminal and to be sent completely Indication message, the described Indication message that is sent completely comprises described new software version number and return instruction, and described car-mounted terminal receive described be sent completely Indication message after, echo-plex is finished and is returned response, described transmission is finished and is returned response and described to be sent completely Indication message identical.
10. car networked system, it is characterized in that, comprise server, car-mounted terminal and portable terminal, described server is connected to the Internet, and described portable terminal is connected to mobile communications network, described car-mounted terminal is connected to described the Internet by described mobile communications network, wherein, described server is used for the version number of inquiry car-mounted terminal, and judges whether described car-mounted terminal current software version needs upgrading, if need upgrading, send upgrade request to described car-mounted terminal; Receiving after expression that described car-mounted terminal returns allows to receive the response message of upgrading data packet, send upgrading data packet by mobile communications network to described car-mounted terminal.
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