CN111787100B - Centralized controller, differential upgrading system and upgrading method of centralized controller - Google Patents
Centralized controller, differential upgrading system and upgrading method of centralized controller Download PDFInfo
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- CN111787100B CN111787100B CN202010616675.4A CN202010616675A CN111787100B CN 111787100 B CN111787100 B CN 111787100B CN 202010616675 A CN202010616675 A CN 202010616675A CN 111787100 B CN111787100 B CN 111787100B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/658—Incremental updates; Differential updates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention relates to a centralized controller applied to a lamp, which is configured to be capable of communicating with a server and comprises: the device comprises a processor, a communication module and a memory; the processor is electrically connected with the communication module and the memory respectively; the communication module is configured to receive the upgrade instruction message sent by the server and transmit the upgrade instruction message to the processor; the upgrade instruction message comprises a differential upgrade package; the processor is configured to restore the differential upgrade package into a to-be-upgraded package, and when the upgrade time is reached, the processor starts an upgrade program and uses the to-be-upgraded package to upgrade the system; the memory is configured to store upgrade package information. The centralized controller in the invention can effectively reduce the labor cost and pressure of equipment upgrading by utilizing a differential technology, and realizes the software upgrading of the controller rapidly, simply and safely.
Description
Technical Field
The invention belongs to the field of lamps, and particularly relates to a centralized controller suitable for a street lamp.
Background
Traditional street lamp management modes and means mainly depend on manual management, and are large in workload, poor in instantaneity, complex in task and high in cost. The intelligent street lamp management system utilizes new technologies such as cloud computing and 4G communication technology to realize functions such as automatic inspection, remote control, automatic analysis and the like, reduces operation and maintenance cost, greatly improves management efficiency, and realizes fine management to a power distribution cabinet.
The centralized controller is a core component in the intelligent street lamp management system and is an important carrier for collecting loop data and controlling a loop. The controller software plays an important role in data collection, communication and control of message receiving and execution, problems or changes in requirements are inevitably found in the using process, a traditional local upgrading method is time-consuming and labor-consuming, a centralized controller is required to be manually searched and upgraded one by one, the whole package upgrading method is slow to upgrade, the protocol design is complex, and once error equipment is easily damaged.
The traditional centralized controller is generally locally upgraded through an SD card, infrared, bluetooth, wiFi and the like, the principle is that the SD card is used for loading a software package to be upgraded, the controller is inserted for upgrading or the software package is transmitted to the controller for upgrading through communication means such as infrared, bluetooth, wiFi and the like, the upgrading distance of the method is short, and the centralized controller is required to be manually searched during each upgrading, so that time and labor are wasted.
Another method for upgrading a centralized controller is to transmit a data packet to be upgraded to the centralized controller through a communication network, and because of the whole packet transmission, an FTP protocol or a proprietary protocol is generally needed, and the protocols are complex to implement, slow to transmit, and easy to cause data loss under the condition of bad network.
Disclosure of Invention
The invention aims to solve the problems of complex realization and low upgrading efficiency of the centralized controller in the prior art, and provides a novel centralized controller applied to a lamp, a differential upgrading system and a centralized controller upgrading method.
The technical scheme I of the invention is as follows: a centralized controller for a luminaire configured to communicate with a server, comprising: the device comprises a processor, a communication module and a memory; the processor is electrically connected with the communication module and the memory respectively; the communication module is configured to receive the upgrade instruction message sent by the server and transmit the upgrade instruction message to the processor; the upgrade instruction message comprises a differential upgrade package; the processor is configured to restore the differential upgrade package into a to-be-upgraded package, and when the upgrade time is reached, the processor starts an upgrade program and uses the to-be-upgraded package to upgrade the system; the memory is configured to store upgrade package information.
Further, the processor is further configured to calculate an MD5 value of the differential upgrade package before the differential upgrade package is restored to the to-be-upgraded package, send the MD5 value to the server through the communication module, and receive an MD5 value comparison result sent by the server through the communication module; if the MD5 value comparison results are inconsistent, the upgrade is abandoned, and if the MD5 value comparison results are consistent, the differential upgrade package is restored to the package to be upgraded.
Further, the upgrade instruction message further includes a CRC value.
Further, the processor is further configured to calculate a CRC value according to the packet to be upgraded, and compare the CRC value in the upgrade instruction message with the calculated CRC value; if the CRC values are not consistent, discarding the upgrade; if the CRC is consistent, starting an upgrading program when the upgrading time is reached.
Furthermore, the upgrade instruction message may further include a specific upgrade time.
Further, the centralized controller further comprises a timer; the timer is electrically connected with the processor; the timer is configured to provide an instant time to the processor.
Further, the specific upgrade time may be one or more.
Further, when the specific upgrading time is multiple, the information corresponding to the reaching time is upgraded when the time reaches one of the time.
The technical scheme II of the invention is as follows: a differential upgrade system comprises a management client, a server and the centralized controller; the server is respectively connected with the management client and the centralized controller; the management client is configured to acquire a current software package of the centralized controller and manufacture a package to be upgraded; and the management client transmits the package to be upgraded to the server.
Further, the server makes a differential upgrade package; and the server issues an upgrading instruction to the centralized controller.
The technical scheme III of the invention: the method for upgrading the centralized controller comprises the steps of receiving an upgrade instruction message sent by a server and storing the upgrade instruction message into a memory; the upgrade instruction message comprises a differential upgrade package; reducing the differential upgrade package into a to-be-upgraded package; when the upgrading time is reached, an upgrading program is started, and the system is upgraded by using the package to be upgraded.
Further, before the differential upgrade package is restored to the to-be-upgraded package, calculating an MD5 value of the differential upgrade package, sending the MD5 value to a server through the communication module, and receiving an MD5 value comparison result sent by the server through the communication module; if the MD5 value comparison results are inconsistent, the upgrade is abandoned, and if the MD5 value comparison results are consistent, the differential upgrade package is restored to the package to be upgraded.
Further, calculating a CRC value according to the package to be upgraded, and comparing the CRC value in the upgrade instruction message with the calculated CRC value; if the CRC values are not consistent, discarding the upgrade; if the CRC is consistent, starting an upgrading program when the upgrading time is reached.
The beneficial effects of the invention are as follows: the system upgrading method of the invention utilizes the differential technology to manufacture the software differential upgrading package of the controller, and transmits the software differential upgrading package to the centralized controller through the 4G network, and the controller utilizes the reverse reduction technology to restore the upgrading package, and carries out corresponding check sum detection, and finally covers the running software, thereby effectively reducing the labor cost and pressure of equipment upgrading, and realizing the software upgrading of the controller rapidly, simply and safely.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an upgrade system architecture of a centralized street lamp controller according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a centralized controller system upgrade process according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a centralized controller according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to the accompanying drawings.
Example 1
Fig. 1 is a schematic diagram of a preferred architecture of a centralized street lamp controller upgrade system according to an embodiment of the present invention, as shown in fig. 1, where a centralized street lamp controller upgrade system 4 includes a server 2, which communicates with a centralized controller 1 and a management client 3, respectively. Since one server 2 corresponds to a plurality of centralized controllers 1 in practical application, in order to simplify construction, save material costs and improve management efficiency, a mobile communication network, such as a 4G network or a 5G network, is preferably used between the centralized controllers 1 and the servers 2. The user can log in the account number on the management client 3, inquire the state information of the plurality of centralized controllers 1, and perform operations such as parameter configuration on the plurality of centralized controllers 1.
Example two
Fig. 2 is a schematic diagram of a process for upgrading a centralized controller system according to a preferred embodiment of the present invention.
As shown in fig. 2, the process of upgrading the system of the centralized controller 1 is as follows:
s1, the management client 3 acquires a current software package of the centralized controller 1 and makes a package to be upgraded.
Specifically, the management client 3 may obtain the current software package of the centralized controller 1 from the server 2 side, and then compile the package to be upgraded according to the current software package of the centralized controller 1.
S2, the management client 3 transmits the package to be upgraded to the server 2.
Specifically, the management client 3 may set a specific upgrade time of the centralized controller 1 to be upgraded while transmitting the upgrade package to the server 2. Since the management client 3 applied to the street lamp may power off the street lamp in a large area in an instant if the system upgrade is performed between 19:00 and 22:00, people on the road in the period of time have a lot of people, people have bad use feeling if the people are light, and traffic accidents may be caused if the people are heavy, therefore, the system upgrade can be performed at a time point of, for example, 2:00 in the early morning, users are less at the time point, the influence of the upgrade on the users is less, and the specific upgrade time of the centralized controller 1 can be set to 2:00.
S3, the server 2 makes a differential upgrade package.
Specifically, the server 2 calculates a differential upgrade package by using a differential algorithm according to the package to be upgraded and the original running software package, and calculates a differential package MD5 value and a CRC value of the package to be upgraded.
S4, the server 2 issues an upgrade instruction to the centralized controller 1.
Specifically, the server 2 sends an upgrade instruction to the centralized controller 1 through the 4G/5G base station, where the upgrade instruction includes a differential upgrade packet, a CRC value, and a specific upgrade time.
S5, the centralized controller 1 calculates the MD5 value of the received differential packet and transmits the MD5 value back to the server 2.
Specifically, after receiving the upgrade instruction, the centralized controller 1 stores the differential upgrade packet, the CRC value, and the specific upgrade time in the upgrade instruction in the memory, calculates the MD5 value of the differential packet, and sends the calculated MD5 value to the server 2. The upgrade instruction may not include a specific upgrade time, but the user configures an upgrade policy including the upgrade time on the centralized controller 1, and the centralized controller 1 receives a new upgrade instruction and then executes the upgrade policy.
S6, the server 2 compares whether the MD5 values are consistent or not, and sends the comparison result to the centralized controller 1.
Specifically, the server 2 compares the received MD5 value with the MD5 value calculated by itself, if the two values are consistent, the server informs that the comparison is successful, and if the two values are inconsistent, the server informs that the comparison is failed, and the upgrade is abandoned.
S7, if the centralized controller 1 receives the comparison success message, the differential packet is restored; if a comparison failure message is received, the upgrade is aborted.
Specifically, if the centralized controller 1 receives the comparison success message sent by the server 2, the differential packet is restored by utilizing a restoration algorithm to obtain a finished to-be-upgraded packet, the to-be-upgraded packet is stored in a memory, a CRC value is calculated according to the calculated to-be-upgraded packet, the calculated to-be-upgraded packet is compared with the CRC value issued by the server 2, if the two CRC values are consistent, the step S8 is entered, and if the two CRC values are inconsistent, the upgrade is abandoned.
The centralized controller 1 gives up the upgrade if it receives the comparison failure message sent by the server 2.
And S8, when the time reaches a set upgrading time point, starting an upgrading program to upgrade the system.
Specifically, when the time reaches the set upgrade time point, an upgrade program is started, the package to be upgraded is used for replacing the current software package, if the upgrade is successful, an upgrade success message is sent to the server 2, if the upgrade is failed, the current software package before the upgrade is continuously used, and an upgrade failure message is sent to the server 2.
There may be a plurality of upgrade time points, for example, the fault-related upgrade information may be set to be immediately upgraded, and the conventional upgrade time point may be set to 2:00 a.m. as described above. Thus, when the centralized controller 1 verifies the CRC value successfully, the fault-related upgrade information is immediately upgraded, whereas a conventional upgrade is waiting until the time arrives for the re-upgrade.
Example III
Fig. 3 is a schematic circuit diagram of a centralized controller according to an embodiment of the present invention.
As shown in fig. 3, the centralized controller 1 includes a processor 11, a communication module 12, a memory 13, a display 14, and a timer 15. The processor 11 is electrically connected to the communication module 12, the memory 13, and the display 14, respectively. The communication module 12, preferably a 4G/5G mobile communication module, is configured to interact with the server 2. The memory 13 is configured to store information such as the configuration of the centralized controller 1. And a display 14 configured to display status information of the centralized controller 1. A timer 15 configured to count in real time.
Specifically, the communication module 12 receives the upgrade instruction message sent by the server 2, and transmits the upgrade instruction message to the processor 11. The processor 11 parses the upgrade instruction message to obtain a differential upgrade package, a CRC value, and a specific upgrade time, and stores parsed data in the memory 13. The upgrade instruction may not include a specific upgrade time, but the user configures an upgrade policy including the upgrade time on the centralized controller 1, and the centralized controller 1 receives a new upgrade instruction and then executes the upgrade policy.
The processor 11 calculates the MD5 value of the received differential packet, and transmits the MD5 value obtained by calculation back to the server 2 through the communication module 12; the communication module 12 receives the MD5 value comparison result sent by the server 2, and sends the comparison result to the processor 11.
If the processor 11 receives the comparison failure message, stopping the upgrading operation; if the processor 11 receives the comparison success message, the differential packet is restored by utilizing a restoration algorithm to obtain a finished packet to be upgraded, the packet to be upgraded is stored in the memory 13, the CRC value is calculated according to the calculated packet to be upgraded, the calculated packet to be upgraded is compared with the CRC value issued by the server 2, and if the two CRC values are inconsistent, the upgrade is abandoned.
If the two CRC values agree, when the time obtained from the timer 15 reaches the upgrade time issued by the server 2, an upgrade program is started, the package to be upgraded is substituted for the current software package, and if the upgrade is successful, an upgrade success message is sent to the server 2, and the system upgrade success, and the current version information are displayed on the display 14. If the upgrade fails, the current software package before the upgrade is continued to be used and an upgrade failure message is sent to the server 2, and the system upgrade identification, and current version information, is displayed on the display 14.
There may be a plurality of upgrade time points, for example, the fault-related upgrade information may be set to be immediately upgraded, and the conventional upgrade time point may be set to 2:00 a.m. as described above. Thus, when the centralized controller 1 verifies the CRC value successfully, the fault-related upgrade information is immediately upgraded, whereas a conventional upgrade is waiting until the time arrives for the re-upgrade.
The above embodiment is a specific implementation manner of system upgrade of the centralized controller 1, and the system upgrade method of the present invention utilizes a differential technology to make a software differential upgrade package of the controller, and transmits the software differential upgrade package to the centralized controller through a 4G network, and the controller restores the upgrade package by using a reverse restoration technology, performs corresponding check and detection, and finally covers operating software, thereby effectively reducing the labor cost and pressure of equipment upgrade, and realizing the controller software upgrade quickly, simply and safely.
The invention can be widely used in the fields of European road illumination, outdoor illumination and commercial illumination, and provides reference for simple, quick and safe software upgrading of the outdoor illumination, the road illumination and the commercial illumination.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (5)
1. A centralized controller for a luminaire configured to communicate with a server, comprising: the device comprises a processor, a communication module and a memory; the processor is electrically connected with the communication module and the memory respectively; it is characterized in that the method comprises the steps of,
the communication module is configured to receive the upgrade instruction message sent by the server and transmit the upgrade instruction message to the processor;
the upgrade instruction message comprises a differential upgrade package, a CRC value of the package to be upgraded and upgrade time, wherein the differential upgrade package is obtained by calculating a differential algorithm according to the package to be upgraded and an original running software package by the server;
the processor calculates the MD5 value of the differential upgrade package and sends the MD5 value to a server through the communication module;
receiving a comparison result of whether the MD5 value is consistent or not compared by the server;
if the MD5 value comparison results are inconsistent, the upgrade is abandoned;
if the MD5 value comparison results are consistent, the differential upgrade package is restored to a package to be upgraded;
calculating a CRC value according to the restored package to be upgraded, and comparing the CRC value in the upgrade instruction message with the calculated CRC value;
if the CRC values are not consistent, discarding the upgrade;
if the CRC is consistent, starting an upgrading program when the upgrading time is reached, and using a package to be upgraded to upgrade the system;
the memory is configured to store upgrade package information;
the specific upgrading time is one or more; when the specific upgrading time is multiple, upgrading the information corresponding to the reaching time when the time reaches one of the time.
2. The centralized controller of claim 1, wherein,
the centralized controller also comprises a timer;
the timer is electrically connected with the processor;
the timer is configured to provide an instant time to the processor.
3. A differential upgrade system comprising, a management client, a server, and the centralized controller of any one of claims 1-2; it is characterized in that the method comprises the steps of,
the server is respectively connected with the management client and the centralized controller;
the management client is configured to acquire a current software package of the centralized controller and manufacture a package to be upgraded;
transmitting the package to be upgraded to a server;
the server calculates a differential upgrade package by utilizing a differential algorithm according to the package to be upgraded and an original running software package, and calculates an MD5 value of the differential upgrade package and a CRC value of the package to be upgraded;
issuing an upgrade order to the centralized controller, wherein the upgrade order comprises the differential upgrade package, the CRC value and the upgrade time;
the server is further configured to compare whether the MD5 values are consistent or not, and send the comparison result to the centralized controller.
4. The differential upgrade system of claim 3, wherein,
the server makes a differential upgrade package;
and the server issues an upgrading instruction to the centralized controller.
5. A method for upgrading a centralized controller, the method comprising,
receiving an upgrade instruction message sent by a server and storing the upgrade instruction message into a memory;
the upgrade instruction message comprises a differential upgrade package, a CRC value of the package to be upgraded and upgrade time, wherein the differential upgrade package is obtained by calculating a differential algorithm according to the package to be upgraded and an original running software package by the server;
calculating the MD5 value of the differential upgrade package, and sending the MD5 value to a server;
receiving a comparison result of whether the MD5 value is consistent or not compared by the server;
if the MD5 value comparison results are inconsistent, the upgrade is abandoned;
if the MD5 value comparison results are consistent, the differential upgrade package is restored to a package to be upgraded;
calculating a CRC value according to the restored package to be upgraded, and comparing the CRC value in the upgrade instruction message with the calculated CRC value;
if the CRC values are not consistent, discarding the upgrade;
if the CRC is consistent, starting an upgrading program when the upgrading time is reached, and using a package to be upgraded to upgrade the system;
wherein, the specific upgrading time is one or more; when the specific upgrading time is multiple, upgrading the information corresponding to the reaching time when the time reaches one of the time.
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