CN105511926A - Vehicle-mounted remote downloading device based on CDMA and upgrade method thereof - Google Patents
Vehicle-mounted remote downloading device based on CDMA and upgrade method thereof Download PDFInfo
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- CN105511926A CN105511926A CN201510970223.5A CN201510970223A CN105511926A CN 105511926 A CN105511926 A CN 105511926A CN 201510970223 A CN201510970223 A CN 201510970223A CN 105511926 A CN105511926 A CN 105511926A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/70—Software maintenance or management
- G06F8/71—Version control; Configuration management
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Abstract
The invention relates to a vehicle-mounted remote downloading device based on CDMA and an upgrade method thereof. The device comprises a control platform, a server and a vehicle-mounted positioning device. The device is simple in structure, and the problem of hardware incompatibility is solved. According to the remote upgrade method, the upgrade can be performed automatically and manually, the bottleneck that product hardware of different batches does not support remote upgrade is solved effectively, and the method is convenient to operate, safe and reliable.
Description
Technical field
The present invention relates to vehicle electronics technical field, particularly relate to a kind of mounted remote download equipment based on CDMA and upgrade method thereof.
Background technology
Mobile unit does not in the market support remote upgrade substantially, if having new function and demand all must to upgrade by return-to-factory, and inconvenient operation; For the equipment having remote upgrade, do not possess hardware version verification, old equipment is once there is the situation that cannot use in upgrading.
Summary of the invention
The present invention overcomes above-mentioned weak point, and object is to provide a kind of mounted remote download equipment based on CDMA, comprises parametric controller, server, vehicle positioning equipment, and apparatus structure is simple, solves the problem of hardware incompatibility.
Another object of the present invention is the upgrade method providing a kind of mounted remote download equipment based on CDMA, supports remote auto or manually upgrades, reliably easy and safe to operate.
The present invention achieves the above object by the following technical programs: a kind of upgrade method of the mounted remote download equipment based on CDMA, comprises the steps:
(1) communication set up by vehicle positioning equipment and control platform, and the version number of self program reported parametric controller, version number's size of application program in the version number that parametric controller contrast vehicle positioning equipment reports and server;
(2) if the application version in server number is greater than the version number that vehicle positioning equipment reports, prompting upgrading; Otherwise do not point out upgrading;
(3) click the prompting on vehicle positioning equipment, vehicle positioning equipment one key is upgraded to the highest application version in server, and vehicle positioning equipment automatic remote is downloaded and in the storer application storage of download carried to vehicle positioning equipment;
(4) if download successfully, vehicle positioning equipment runs the application program downloaded and completes upgrading and old application program deleted, and the version number after self being upgraded is reported to parametric controller; If failed download, then return unsuccessfully mark and version number before and, to parametric controller, wait for and again upgrading.
As preferably, in described server, the acquisition methods of application program is in the parametric controller file that utilizes TFTP agreement application program to be uploaded onto the server to specify.
As preferably, described version number comprises hardware version numbers and software version number, and the application program that when hardware version numbers is used for parametric controller contrast, alternative condition conforms to contrasts, and software version number is used for control center and judges whether to upgrade.
As preferably, the version number that described step (1) parametric controller contrast vehicle positioning equipment reports is search the application program with the hardware version numbers identical with vehicle positioning equipment in the server with the method for version number's size of application program in server, and the size of comparison software version number.
As preferably, described step (3) vehicle positioning appliance applications also manually can be upgraded to the application version of existing arbitrary version in server.
As preferably, described step (3) automatic remote is downloaded and is adopted TFTP mode; By application program being divided into the packet of several 512 bytes to transmit during download, each packet with mark, for verification.
As preferably, if described application program is just in time divided into the packet of several 512 bytes, then send when document backup is complete one only containing stem the packet of countless certificate as end mark; As integer number of data bag can not be divided into, then last is less than the packet of 512 bytes as end mark.
As preferably, described vehicle positioning equipment and control platform is communicated by cdma network.
Apply a mounted remote download equipment for upgrade method described above, comprise parametric controller, vehicle positioning equipment, server; Parametric controller is connected with vehicle positioning equipment, server respectively.
As preferably, described parametric controller comprises map monitoring module, CPU, operation flow configuration module, communication interface module, equipment interface; CPU is connected with map monitoring module, operation flow configuration module, communication interface module, equipment interface respectively.
As preferably, described vehicle positioning equipment is with the communication module of loading telecommunications UIM card.
Beneficial effect of the present invention is: (1) is supported automatically and manually upgrading, and efficient solution does not never support the bottleneck of remote upgrade with batch products hardware, easy to operate, safe and reliable; (2) part mobile unit is effectively avoided to cause the situation that cannot use because hardware does not support.
Accompanying drawing explanation
Fig. 1 is that parametric controller of the present invention judges remote upgrade schematic flow sheet;
Fig. 2 is mobile unit down load application bag upgrading schematic flow sheet of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in this:
Embodiment: a kind of mounted remote download equipment based on CDMA is made up of parametric controller, vehicle positioning equipment, server; Parametric controller comprises map monitoring module, CPU, operation flow configuration module, communication interface module, equipment interface; CPU is connected with map monitoring module, operation flow configuration module, communication interface module, equipment interface respectively; Vehicle positioning module, with communication module, by dress telecommunications UIM card, communicates with parametric controller, and UIM card antijamming capability by force, simultaneously also can burning number in the air, is write on by number in mobile unit, does not need plug-in card, prevent vehicle from jolting and cause card loose contact problem.Control center is connected with server, is communicated with vehicle positioning equipment by cdma network.
As shown in Figure 1 and Figure 2, a kind of upgrade method of the mounted remote download equipment based on CDMA, as follows:
In step 1, certain file of utilizing TFTP agreement to upload onto the server the application program of upgrading to specify, wherein each application program is with version number; When vehicle positioning device first and parametric controller set up communicate time, the version number of self is reported in parametric controller; Version number's size of bag is applied in the version information that parametric controller contrast vehicle positioning equipment reports and server;
Wherein, the definition of version number mainly contains two parts and forms, a part represents hardware version, a part represents software in addition, when uploading new application program at every turn or have vehicle positioning equipment to report version number to arrive parametric controller, parametric controller all can contrast the size of vehicle positioning device version number and existing application version in server number.
Version number's size that parametric controller is reported by version number and the equipment of application program in contrast server, if in server application program version number in there is the hardware version identical with vehicle positioning equipment, software version is greater than vehicle positioning equipment and then points out upgrading, otherwise do not point out upgrading, effectively avoid part vehicle positioning equipment to cause the situation that cannot use because hardware does not support.
If the application bag version number in step 2 server has the hardware version numbers identical with vehicle positioning equipment but software version number is greater than vehicle positioning equipment, then point out upgrading;
Step 3, click the application bag that a key is upgraded to the highest software version under same hardware version, or be manually upgraded to the application bag of existing arbitrary version in server.
Upgrading has manually upgrading and key upgrading, select multiple or certain equipment that will upgrade click a key upgrade scalable in server with the application program of the highest software version number of vehicle positioning equipment same hardware version; Also manually can be upgraded to arbitrary version of existing version in server simultaneously.
Step 4, vehicle positioning equipment are automatically downloaded and are stored into by the file of download in the storer that vehicle positioning equipment specifies; Must equal 512 byte-sized by the size of non-final one bag during download, the size of last bag must be less than 512 bytes to verify.Mark brought by each bag simultaneously, during failed download, again downloads.
If download successfully, vehicle positioning equipment runs new application program and old application program is deleted, and up-to-date version number is reported to platform simultaneously, if failed download, then returns and unsuccessfully identifies with version number before to parametric controller.
Wherein, what remote download was taked is TFTP mode, and the inherence shared by TFTP code is less than FTP, economizes on resources.Packet byte size during transmission is generally 512 bytes, when equipment and server set up download channel, server is divided by by the size of application programs of download and 512 bytes, calculate bag number altogether and what add at the end of each bag that mark represents transmission is which wraps, must equal 512 byte-sized by the size of non-final one bag when downloading, the size of last bag must be less than 512 bytes to verify.
If file size is the integral multiple of 512 bytes just, then after document backup, also must send one only containing stem the packet of countless certificate as end mark; If file size is not the integral multiple of 512 bytes, then the last data package size transmitted necessarily is discontented with the mark of 512 bytes as the end of file, in downloading process, if not the size of last bag is less than 512 bytes, the mark then returning error and bag is downloaded again, if the size of bag is just in time 512 bytes, and the mark of verification download package, if mistake, again download, if correct, start to download next bag.
During download, the program of correspondence is placed on the TFTP.rom under equipment user catalogue by equipment, and download when downloading automatically to run successfully, former software is deleted by successful installation.
At the end of download, up-to-date version number is sent in parametric controller by equipment, for upgrading is prepared next time.
The know-why being specific embodiments of the invention and using described in above, if the change done according to conception of the present invention, its function produced do not exceed that instructions and accompanying drawing contain yet spiritual time, must protection scope of the present invention be belonged to.
Claims (11)
1., based on a upgrade method for the mounted remote download equipment of CDMA, it is characterized in that, comprise the steps:
(1) communication set up by vehicle positioning equipment and control platform, and the version number of self program reported parametric controller, version number's size of application program in the version number that parametric controller contrast vehicle positioning equipment reports and server;
(2) if the application version in server number is greater than the version number that vehicle positioning equipment reports, prompting upgrading; Otherwise do not point out upgrading;
(3) click the prompting on vehicle positioning equipment, vehicle positioning equipment one key is upgraded to the highest application version in server, and vehicle positioning equipment automatic remote is downloaded and in the storer application storage of download carried to vehicle positioning equipment;
(4) if download successfully, vehicle positioning equipment runs the application program downloaded and completes upgrading and old application program deleted, and the version number after self being upgraded is reported to parametric controller; If failed download, then return unsuccessfully mark and version number before and, to parametric controller, wait for and again upgrading.
2. the upgrade method of a kind of mounted remote download equipment based on CDMA according to claim 1, is characterized in that: in described server, the acquisition methods of application program is in the parametric controller file that utilizes TFTP agreement application program to be uploaded onto the server to specify.
3. the upgrade method of a kind of mounted remote download equipment based on CDMA according to claim 1, it is characterized in that: described version number comprises hardware version numbers and software version number, hardware version numbers is used for the application program that when parametric controller contrasts, alternative condition conforms to and contrasts, and software version number is used for control center and judges whether to upgrade.
4. the upgrade method of a kind of mounted remote download equipment based on CDMA according to claim 1, it is characterized in that: the version number that described step (1) parametric controller contrast vehicle positioning equipment reports is search the application program with the hardware version numbers identical with vehicle positioning equipment in the server with the method for version number's size of application program in server, and the size of comparison software version number.
5. the upgrade method of a kind of mounted remote download equipment based on CDMA according to claim 1, is characterized in that: described step (3) vehicle positioning appliance applications also manually can be upgraded to the application version of existing arbitrary version in server.
6. the upgrade method of a kind of mounted remote download equipment based on CDMA according to claim 1, is characterized in that: described step (3) automatic remote is downloaded and adopted TFTP mode; By application program being divided into the packet of several 512 bytes to transmit during download, each packet with mark, for verification.
7. the upgrade method of a kind of mounted remote download equipment based on CDMA according to claim 6, it is characterized in that: if described application program is just in time divided into the packet of several 512 bytes, then send when document backup is complete one only containing stem the packet of countless certificate as end mark; As integer number of data bag can not be divided into, then last is less than the packet of 512 bytes as end mark.
8. the upgrade method of a kind of mounted remote download equipment based on CDMA according to claim 1, is characterized in that: described vehicle positioning equipment and control platform is communicated by cdma network.
9. apply a mounted remote download equipment for upgrade method as claimed in claim 1, it is characterized in that: comprise parametric controller, vehicle positioning equipment, server; Parametric controller is connected with vehicle positioning equipment, server respectively.
10. mounted remote download equipment according to claim 9, is characterized in that: described parametric controller comprises map monitoring module, CPU, operation flow configuration module, communication interface module, equipment interface; CPU is connected with map monitoring module, operation flow configuration module, communication interface module, equipment interface respectively.
11. mounted remote download equipments according to claim 9, is characterized in that: described vehicle positioning equipment is with the communication module of loading telecommunications UIM card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510970223.5A CN105511926A (en) | 2015-12-21 | 2015-12-21 | Vehicle-mounted remote downloading device based on CDMA and upgrade method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510970223.5A CN105511926A (en) | 2015-12-21 | 2015-12-21 | Vehicle-mounted remote downloading device based on CDMA and upgrade method thereof |
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| CN105511926A true CN105511926A (en) | 2016-04-20 |
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| CN201510970223.5A Pending CN105511926A (en) | 2015-12-21 | 2015-12-21 | Vehicle-mounted remote downloading device based on CDMA and upgrade method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106802818A (en) * | 2016-12-31 | 2017-06-06 | 智车优行科技（北京）有限公司 | The upgrade method of mobile unit, business processing device and system, vehicle |
| CN112099954A (en) * | 2020-09-18 | 2020-12-18 | 百度时代网络技术（北京）有限公司 | Method, device, equipment and storage medium for deploying and downloading resources |
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| CN103438893A (en) * | 2013-09-25 | 2013-12-11 | 广州派腾知识产权服务有限公司 | Method for supporting vehicle navigator to update map on line |
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Patent Citations (7)
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| EP0701106A1 (en) * | 1994-08-19 | 1996-03-13 | Zexel Corporation | Vehicle navigation system with upgradeable navigation software and a flexible memory configuration |
| US20050097541A1 (en) * | 2003-11-04 | 2005-05-05 | Holland Steven W. | Low cost, open approach for vehicle software installation/updating and on-board diagnostics |
| CN101146291A (en) * | 2007-10-10 | 2008-03-19 | 深圳华强信息产业有限公司 | Remote radio upgrade method for onboard GPS terminal |
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| CN106802818A (en) * | 2016-12-31 | 2017-06-06 | 智车优行科技（北京）有限公司 | The upgrade method of mobile unit, business processing device and system, vehicle |
| CN112099954A (en) * | 2020-09-18 | 2020-12-18 | 百度时代网络技术（北京）有限公司 | Method, device, equipment and storage medium for deploying and downloading resources |
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Application publication date: 20160420 |