CN108337121A - Onboard diagnostic system and upgrade method for onboard diagnostic system - Google Patents
Onboard diagnostic system and upgrade method for onboard diagnostic system Download PDFInfo
- Publication number
- CN108337121A CN108337121A CN201810114196.5A CN201810114196A CN108337121A CN 108337121 A CN108337121 A CN 108337121A CN 201810114196 A CN201810114196 A CN 201810114196A CN 108337121 A CN108337121 A CN 108337121A
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- Prior art keywords
- modem
- micro
- control unit
- upgraded
- diagnostic system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Stored Programmes (AREA)
Abstract
The invention discloses a kind of onboard diagnostic system and for the upgrade method of onboard diagnostic system, onboard diagnostic system includes modem and micro-control unit, and modem asks to download upgrade package to preset server；Modem detects the content for being upgraded to micro-control unit from the upgrade package of download；By for being sent to micro-control unit to the content that micro-control unit upgrades, micro-control unit is upgraded modem using the content for being upgraded to micro-control unit.According to the present invention, the micro-control unit of onboard diagnostic system no longer uses the strategy of server active push upgrade package, but the modem of onboard diagnostic system is utilized actively to ask to download upgrade package to server, in upgrade package include micro-control unit updated contents when, the updated contents are then sent to micro-control unit to upgrade, since modem actively can download upgrade package in time, so that the upgrading of micro-control unit is also much sooner.
Description
Technical field
The present invention relates to wireless communication field more particularly to a kind of onboard diagnostic system and for the liter of onboard diagnostic system
Grade method.
Background technology
In OBD (On-Board Diagnostic, onboard diagnostic system) product, MCU (Microcontroller Unit,
Micro-control unit) it is responsible for control, data acquisition and data and reports and Modem (modem) is mainly responsible for wireless communication,
It is this share out the work and help one another, close-fitting mechanism makes OBD products can be very good to complete vehicle data collection and to report while carrying
For radio communication service.The same with all wireless communications products, this kind of product can also pass through FOTA (Firmware Over-
The-Air downloads software upgrading in the air) upgrade the failure timely repaired on software, increase new function.
On escalation policy, MCU then uses the strategy of server active push.It is not difficult to find out, this active that MCU is used
Issue has strict demand to the reliability of server, and server does not ensure that equipment is in work shape in push
State causes MCU to be likely to continuously miss the push upgrading of server.
Invention content
It is a primary object of the present invention to propose a kind of onboard diagnostic system and for the upgrade method of onboard diagnostic system,
Aim to ensure that the micro-control unit of onboard diagnostic system can upgrade in time.
To achieve the above object, the present invention provides a kind of onboard diagnostic system, the onboard diagnostic system includes modulation
Demodulator and micro-control unit, the modem ask to download upgrade package to preset server；The modem
Content of the detection for being upgraded to the micro-control unit from the upgrade package of download；The modem is by institute
It states the content for being upgraded to the micro-control unit and is sent to the micro-control unit, the micro-control unit uses use
Upgrade in the content upgraded to the micro-control unit.
Optionally, onboard diagnostic system above-mentioned, the modem detect use also from the upgrade package of download
In the content upgraded to the modem；The modem use is for rising the modem
The content of grade is upgraded.
Optionally, updating result is sent to institute by onboard diagnostic system above-mentioned, the micro-control unit after being upgraded
Modem is stated, the modem finds to carry out again after the micro-control unit upgrades successfully according to the updating result
Upgrading.
Optionally, onboard diagnostic system above-mentioned, the modem press preset time interval to the server
The upgrade package is downloaded in request.
Optionally, the domain name of onboard diagnostic system above-mentioned, the server is recorded in its corresponding telecom operators
In white list.
To achieve the above object, described vehicle-mounted the present invention also provides a kind of upgrade method for onboard diagnostic system
Diagnostic system includes modem and micro-control unit, the method includes：By the modem to preset clothes
Upgrade package is downloaded in business device request；It is detected for the microcontroller from the upgrade package of download by the modem
The content that unit is upgraded；By the modem by the content for upgrading to the micro-control unit
It is sent to the micro-control unit, the micro-control unit is carried out using the content for being upgraded to the micro-control unit
Upgrading.
Optionally, it is previously described for the upgrade method of onboard diagnostic system, the method further includes：Pass through the modulatedemodulate
Device is adjusted to detect the content for being upgraded to the modem also from the upgrade package of download；The modulation /demodulation
Device is upgraded using the content for being upgraded to the modem.
Optionally, modem use described in the upgrade method of onboard diagnostic system is previously described for for the tune
The content that modulator-demodulator is upgraded is upgraded, and is specifically included：The micro-control unit sends out updating result after being upgraded
The modem is given, after the modem finds that the micro-control unit upgrades successfully according to the updating result
Upgraded again.
Optionally, be previously described for the upgrade method of onboard diagnostic system, it is described by the modem to default
Server request download upgrade package, specifically include：Preset time interval is pressed to the service by the modem
The upgrade package is downloaded in device request.
Optionally, it is previously described for the upgrade method of onboard diagnostic system, the domain name of the server is recorded in its correspondence
Telecom operators white list in.
According to above technical scheme, it is known that onboard diagnostic system of the invention and the upgrade method for onboard diagnostic system
It has at least the following advantages：
According to the technique and scheme of the present invention, the micro-control unit of onboard diagnostic system no longer uses server active push liter
The strategy of grade packet, but the modem of onboard diagnostic system is utilized actively to ask to download upgrade package to server, upgrading
When in packet including the updated contents of micro-control unit, then the updated contents are sent to micro-control unit to upgrade, due to
Modem actively can download upgrade package in time, so that the upgrading of micro-control unit is also much sooner.
Description of the drawings
Fig. 1 is the block diagram of onboard diagnostic system according to an embodiment of the invention；
Fig. 2 is the operating diagram of onboard diagnostic system according to an embodiment of the invention；
Fig. 3 is the block diagram of onboard diagnostic system according to an embodiment of the invention；
Fig. 4 is the operating diagram of onboard diagnostic system according to an embodiment of the invention；
Fig. 5 is the operating diagram of onboard diagnostic system according to an embodiment of the invention；
Fig. 6 is the flow chart of the upgrade method according to an embodiment of the invention for onboard diagnostic system；
Fig. 7 is the flow chart of the upgrade method according to an embodiment of the invention for onboard diagnostic system.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In subsequent description, using for indicating that the suffix of such as " module ", " component " or " unit " of element is only
The explanation for being conducive to the present invention, itself does not have a distinctive meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
As shown in Figure 1, providing a kind of onboard diagnostic system in one embodiment of the present of invention, the vehicle-mounted of the present embodiment is examined
Disconnected system includes modem 110 and micro-control unit 120.
Modem 110 asks to download upgrade package to preset server.
In the present embodiment, it asks to download upgrade package from Modem to server, which can include the liter of Modem
Grade content, can also include the updated contents of MCU.Specifically as shown in Fig. 2, whether there is upgrade package in Modem inquiry servers,
And if so, upgrade package is downloaded in request.
Modem 110 detects the content for being upgraded to micro-control unit 120 from the upgrade package of download.
In the present embodiment, the liter wherein whether having to MCU can be checked after server downloads upgrade package by Modem
Grade content.
Content for upgrading to micro-control unit 120 is sent to micro-control unit 120 by modem 110,
Micro-control unit 120 is upgraded using the content for being upgraded to micro-control unit 120.
In the present embodiment, after MCU receives updated contents, you can upgraded using the updated contents of reception.
According to the technical solution of the present embodiment, the micro-control unit of onboard diagnostic system no longer uses server active push
The strategy of upgrade package, but the modem of onboard diagnostic system is utilized actively to ask to download upgrade package to server, it is rising
When including the updated contents of micro-control unit in grade packet, then the updated contents are sent to micro-control unit to upgrade, by
Can upgrade package be actively downloaded in time, in modem so that the upgrading of micro-control unit is also much sooner.
As shown in figure 3, providing a kind of onboard diagnostic system in one embodiment of the present of invention, the vehicle-mounted of the present embodiment is examined
Disconnected system includes modem 310 and micro-control unit 320.
Modem 310 is asked to download upgrade package, the domain name record of server to server by preset time interval
In the white list of its corresponding telecom operators.
In the present embodiment, the updated contents of MCU and Modem versions are made into integrated upgrade package and is deployed in server；
Whether Modem has new version upgrade package according to time (for example, every 24 hours) periodic detection of setting, and if so, carrying out down
It carries.In the present embodiment, telecom operators will dispose upgrade package server domain name be added white list, ensure detection upgrade package and
Extra charge will not be generated to user by downloading the process of upgrade package.In the present embodiment, it is spaced and is asked on schedule using Modem
Download upgrade package is sought, the upgrading of MCU can be made more actively timely.
Modem 310 detects the content for being upgraded to micro-control unit 320 from the upgrade package of download, with
And modem 310 detects the content for being upgraded to modem 310 also from the upgrade package of download.
In the present embodiment, specifically as shown in figure 4, a Status Flag is arranged in Modem --- UPDATE STATE labels
State in escalation process, and one upgrade package mark of setting --- PACKAGE TYPE label upgrading Packet types；In this reality
Apply in example, UPDATE STATE states have PACKAGE READY --- upgrade package is ready, PACKAGE ERROR --- upgrade package
Mistake, VERIFY SUCCESS --- verifying successfully, VERIFY FAILED --- verification is unsuccessfully etc.；Label upgrading Packet type
PACKAGE TYPE, which then have ALL, --- indicating comprising to the updated contents of Modem, MCU, NONE --- indicates not include pair
The updated contents of Modem or MCU, MDM --- indicate only to include the updated contents to Modem, MCU --- indicate only to include pair
The updated contents of MCU.In the present embodiment, after Modem has downloaded upgrade package, upgrade package state is first checked for, and result is used
UPDATE STATE are marked, and upgrade package state then exits upgrading if ERROR, start to verify upgrade package when for READY
Type, if simultaneously comprising MCU and Modem software versions in upgrade package, it is ALL to mark PACKAGE TYPE, is otherwise marked
PACKAGE TYPE are NONE, MDM or MCU.In the present embodiment, after label PACKAGE TYPE are ALL or are MCU,
It is VERIFY SUCCESS to mark UPDATE STATE simultaneously, and it is VERIFY FAILED otherwise to mark UPDATE STATE, is exited
Upgrading.
Content for upgrading to micro-control unit 320 is sent to micro-control unit 320 by modem 310,
Micro-control unit 320 is upgraded using the content for being upgraded to micro-control unit 320.
In the present embodiment, MCU versions are sent to MCU by Modem by serial ports, and are waited for MCU to return and received and upgrade
As a result.
Updating result is sent to modem 310, modem 310 by micro-control unit 320 after being upgraded
It finds again to be upgraded after micro-control unit 320 upgrades successfully according to updating result.
In the present embodiment, specifically as shown in figure 5, returning to 0, Modem update UPDATE STATE when MCU is upgraded successfully
For MCU UPDATE SUCCESS, and start the upgrading of itself.It in the present embodiment, can not if MCU is not upgraded successfully
Upgrade Modem, works in order to avoid the Modem of upgrading can not coordinate with the MCU not upgraded.
As shown in fig. 6, a kind of upgrade method for onboard diagnostic system is provided in one embodiment of the present of invention, this
The onboard diagnostic system of embodiment includes modem and micro-control unit, and the method for the present embodiment includes：
Step S610 asks download upgrade package by modem to preset server.
In the present embodiment, it asks to download upgrade package from Modem to server, which can include the liter of Modem
Grade content, can also include the updated contents of MCU.Specifically as shown in Fig. 2, whether there is upgrade package in Modem inquiry servers,
And if so, upgrade package is downloaded in request.
Step S620 is detected from the upgrade package of download by modem for being upgraded to micro-control unit
Content.
In the present embodiment, the liter wherein whether having to MCU can be checked after server downloads upgrade package by Modem
Grade content.
Step S630, will be for being sent to microcontroller list by modem to the content that micro-control unit upgrades
Member, micro-control unit are upgraded using the content for being upgraded to micro-control unit.
In the present embodiment, after MCU receives updated contents, you can upgraded using the updated contents of reception.
According to the technical solution of the present embodiment, the micro-control unit of onboard diagnostic system no longer uses server active push
The strategy of upgrade package, but the modem of onboard diagnostic system is utilized actively to ask to download upgrade package to server, it is rising
When including the updated contents of micro-control unit in grade packet, then the updated contents are sent to micro-control unit to upgrade, by
Can upgrade package be actively downloaded in time, in modem so that the upgrading of micro-control unit is also much sooner.
As shown in fig. 7, a kind of upgrade method for onboard diagnostic system is provided in one embodiment of the present of invention, this
The onboard diagnostic system of embodiment includes modem and micro-control unit.The method of the present embodiment specifically includes：
Step S710 asks download upgrade package, server by preset time interval by modem to server
Domain name be recorded in the white list of its corresponding telecom operators.
In the present embodiment, the newest Modem and MCU versions of server disposition integrate upgrade package.In the present embodiment,
A certain fixed times of the Modem in every 24 hours sends new version request service to server, and server receives Modem's
It is responded after request, if new version is not present in server, Modem is stopped operation after receiving, and 24 as a child retransmissions are asked
It asks.If there are new upgrade package, Modem to proceed by upgrade package after receiving server and replying and download for server.
Step S720 is detected from the upgrade package of download by modem for being upgraded to micro-control unit
Content and modem detect the content for being upgraded to modem also from the upgrade package of download.
In the present embodiment, after Modem has downloaded upgrade package, start the inspection before upgrading to upgrade package, mainly
It checks upgrade package state, then updates inspection result into UPDATE STATE；Following Modem can be to UPDATE STATE
Judged, exits upgrading if the upgrade package state is ERROR, only opened when UPDATE STATE are READY
Begin the operation of next upgrade package type checking.
In the present embodiment, when Modem verifications upgrading Packet type, if simultaneously comprising MCU and Modem software versions in upgrade package
This, then be updated to ALL by PACKAGE TYPE；When there was only MCU versions in upgrade package, PACKAGE TYPE are labeled as MCU；Upgrading
When there was only Modem versions in packet, PACKAGE TYPE are labeled as MDM；When upgrade package is empty, PACKAGE TYPE are labeled as
NONE.Here, updating operation is exited when PACKAGE TYPE are NONE, and the liter of Modem is only carried out when PACKAGE TYPE are MDM
Grade operation, otherwise upgrades MCU；Further, when PACKAGE TYPE are ALL or are MCU, update UPDATE STATE are
VERIFY SUCCESS, it is VERIFY FAILED otherwise to mark UPDATE STATE, is then log out upgrading.
Step S730, will be for being sent to microcontroller list by modem to the content that micro-control unit upgrades
Member, micro-control unit are upgraded using the content for being upgraded to micro-control unit.
In the present embodiment, before starting MCU upgradings, Modem needs that MCU versions are sent to MCU by serial ports, then etc.
Wait for that MCU returns to updating result.
Updating result is sent to modem, modulation /demodulation by step S740 after being upgraded by micro-control unit
Device finds again to be upgraded after micro-control unit upgrades successfully according to updating result.
In the present embodiment, upgrading is proceeded by when MCU receives new version, and last result is sent to Modem；
Modem updates UPDATE STATE after receiving the returning the result of MCU, if MCU returns to 0, Modem update UPDATE STATE
For MCU UPDATE SUCCESS.
The technical solution of the present embodiment is applied in the OBD products with MCU and Modem module, in the product with this reality
It includes MCU, Modem and server to apply the relevant major part of example.Server undertake deployment upgrade package function, and
Modem is responded when sending detection new version upgrade package to server.Modem periodically sends to server and asks, server
It is responded after receiving, if server, there are new upgrade package, Modem can be actively downloaded, passes through this after the completion of downloading
Scheme described in embodiment carries out upgrading update, and a concrete application example is as follows：
First, MCU versions B02 and Modem B02 upgrade edition upgrade packs are uniformly made into integrated upgrade package and is deployed in server；
Secondly, Modem actively sends to server and asks, server receives Modem when reaching upgrade package detection time
It is responded after the request of transmission, indicating Modem and MCU, there is currently higher versions for upgrading；
Modem starts to download upgrade package, is decompressed to integrated upgrade package after the completion of download, then starts to check upgrade package
State, inspection result REDAY, start in next step upgrade Packet type verification operation；
Upgrade package due to being deployed in server is that Modem and MCU versions integrate upgrade package, and check results here are
It is VERIFY SUCCESS that ALL, Modem, which update UPDATE STATE, and MCU versions are then sent to MCU, wait for the liter of MCU
Grade；
It is 0 that MCU, which is returned the result, indicates that upgrading is completed, and it is MCU UPDATE that Modem, which updates UPDATE STATE,
Then SUCCESS starts the upgrading of oneself, complete backed off after random upgrading.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of onboard diagnostic system, which is characterized in that the onboard diagnostic system includes modem and micro-control unit,
The modem asks to download upgrade package to preset server；
The modem detects the content for being upgraded to the micro-control unit from the upgrade package of download；
The modem is by described for being sent to the microcontroller list to the content that the micro-control unit upgrades
Member, the micro-control unit are upgraded using the content for being upgraded to the micro-control unit.
2. onboard diagnostic system according to claim 1, which is characterized in that
The modem also from the upgrade package of download detection for being upgraded to the modem in
Hold；
The modem is upgraded using the content for being upgraded to the modem.
3. onboard diagnostic system according to claim 2, which is characterized in that
Updating result is sent to the modem by the micro-control unit after being upgraded, the modem according to
The updating result finds again to be upgraded after the micro-control unit upgrades successfully.
4. onboard diagnostic system according to claim 1, which is characterized in that
The modem downloads the upgrade package by preset time interval to server request.
5. onboard diagnostic system according to claim 1, which is characterized in that
The domain name of the server is recorded in the white list of its corresponding telecom operators.
6. a kind of upgrade method for onboard diagnostic system, which is characterized in that the onboard diagnostic system includes modulation /demodulation
Device and micro-control unit, the method includes：
By the modem download upgrade package is asked to preset server；
It is detected from the upgrade package of download by the modem for being upgraded to the micro-control unit
Content；
By the modem by described for being sent to the micro-control to the content that the micro-control unit upgrades
Unit processed, the micro-control unit are upgraded using the content for being upgraded to the micro-control unit.
7. the upgrade method according to claim 6 for onboard diagnostic system, which is characterized in that the method is also wrapped
It includes：
It is detected also from the upgrade package of download for upgrading to the modem by the modem
Content；
The modem is upgraded using the content for being upgraded to the modem.
8. the upgrade method according to claim 7 for onboard diagnostic system, which is characterized in that the modem
Upgraded using the content for being upgraded to the modem, is specifically included：
Updating result is sent to the modem by the micro-control unit after being upgraded, the modem according to
The updating result finds again to be upgraded after the micro-control unit upgrades successfully.
9. the upgrade method according to claim 6 for onboard diagnostic system, which is characterized in that described to pass through the tune
Modulator-demodulator asks to download upgrade package to preset server, specifically includes：
By the modem upgrade package is downloaded to server request by preset time interval.
10. the upgrade method according to claim 6 for onboard diagnostic system, which is characterized in that
The domain name of the server is recorded in the white list of its corresponding telecom operators.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810114196.5A CN108337121A (en) | 2018-02-05 | 2018-02-05 | Onboard diagnostic system and upgrade method for onboard diagnostic system |
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| CN201810114196.5A CN108337121A (en) | 2018-02-05 | 2018-02-05 | Onboard diagnostic system and upgrade method for onboard diagnostic system |
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Cited By (1)
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| CN110162325A (en) * | 2019-07-16 | 2019-08-23 | 四川驹马科技有限公司 | A kind of vehicle device unaware upgrade-system and upgrade method |
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