CN113347225A - OTA (over the air) upgrading method and server for terminal equipment of Internet of things - Google Patents
OTA (over the air) upgrading method and server for terminal equipment of Internet of things Download PDFInfo
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Abstract
The utility model discloses an OTA (over the air) upgrading method and a server for terminal equipment of the Internet of things, wherein the OTA upgrading method for the terminal equipment of the Internet of things comprises the following steps: acquiring first state information and equipment types of terminal equipment of the Internet of things to be updated; calculating a first updating priority of the terminal equipment of the Internet of things to be updated according to the first state information; establishing an updating information tree structure of the terminal equipment of the Internet of things according to the equipment type and the OTA server; and sending an upgrade package, a first update priority and the updating information tree structure of the terminal equipment of the internet of things to a first-level child node under a root node of the updating information tree structure of the terminal equipment of the internet of things, so that the first-level child node equipment executes upgrading according to the first update priority and the updating information tree structure of the terminal equipment of the internet of things. The method realizes the concurrent upgrading of the multiple terminals, does not need external artificial interference and control, has higher intellectualization, and greatly improves the upgrading speed of the terminal equipment of the Internet of things in the whole Internet of things system.
Description
Technical Field
The disclosure relates to the technical field of Internet of things, in particular to an OTA (over the air) upgrading method and server for terminal equipment of the Internet of things.
Background
At present, the upgrading of the terminal device of the internet of things mainly adopts an OTA upgrading technology, which all adopts a client/server architecture mode, wherein an OTA server is used as a server in the architecture, and the OTA server provides an OTA upgrading service for the terminal device of the internet of things.
The existing upgrading process of the terminal equipment of the internet of things is realized by connecting an OTA server through a network for downloading and upgrading firmware, but with the increase of the terminal equipment of the internet of things, particularly a large-scale internet of things system, the phenomenon of network congestion caused by insufficient network bandwidth is very easy to occur in the upgrading process of the terminal equipment of the internet of things, so that the overall updating speed of the terminal equipment of the internet of things in the internet of things system is slow.
Disclosure of Invention
The embodiment of the disclosure aims to provide an OTA (over the air) upgrading method and a server for terminal equipment of the Internet of things, so as to at least solve the problem that the overall updating speed of the terminal equipment of the Internet of things in the existing Internet of things system is slow.
The technical scheme of the disclosure is as follows:
according to a first aspect of the embodiments of the present disclosure, an OTA upgrading method for an internet of things terminal device is provided, which is applied to an OTA server, and the method may include:
acquiring first state information and a device type of the terminal device of the Internet of things to be updated, wherein the device type is used for representing whether the terminal device of the Internet of things has a routing function or not;
calculating a first updating priority of the terminal equipment of the Internet of things to be updated according to the first state information;
the method comprises the steps that an updating information tree structure of the terminal equipment of the Internet of things is constructed according to equipment types and an OTA server, wherein the root node of the updating information tree structure of the terminal equipment of the Internet of things is the OTA server, child nodes are the terminal equipment of the Internet of things with a routing function, and leaf nodes are the terminal equipment of the Internet of things without the routing function;
and sending an upgrade package, a first update priority and the updating information tree structure of the terminal equipment of the internet of things to a first-level child node under a root node of the updating information tree structure of the terminal equipment of the internet of things, so that the first-level child node equipment executes upgrading according to the first update priority and the updating information tree structure of the terminal equipment of the internet of things.
Further, the first state information may include: the equipment task state and the equipment task weight value;
calculating a first updating priority of the terminal equipment of the internet of things to be updated according to the first state information, specifically:
and calculating the product of the equipment task state and the equipment task weight value of the to-be-updated Internet of things terminal equipment to obtain a first update priority of the to-be-updated Internet of things terminal equipment.
Further, after sending the upgrade package, the first update priority and the update information tree structure of the terminal device of the internet of things to the first-level child node device of the update information tree structure of the terminal device of the internet of things, the method may further include:
receiving OTA upgrading state information sent by the terminal equipment of the Internet of things to be updated, wherein the OTA upgrading state information is an updating state reported by the terminal equipment of the Internet of things to be updated at the timing of executing OTA upgrading;
and updating the OTA upgrading state information into a database.
Further, after updating the OTA upgrade status information into the database, the method may further include:
receiving all OTA upgrading completion information sent by the Internet of things terminal equipment to be updated;
and updating all OTA upgrading completion information into a database.
According to a second aspect of the embodiments of the present disclosure, there is provided an over-the-air technology OTA upgrading method for an internet of things terminal device, which is applied to the internet of things terminal device, and the method may include:
receiving an upgrade package, a first update priority and an update information tree structure of the terminal equipment of the Internet of things sent by the OTA server;
identifying the node type of the terminal equipment of the Internet of things according to the updated information tree structure of the terminal equipment of the Internet of things;
when the node type of the terminal equipment of the Internet of things is a leaf node, identifying whether the terminal equipment of the Internet of things finishes upgrading on the node equipment at the upper level in the updating information tree structure of the terminal equipment of the Internet of things;
and when the upper-level node equipment is updated, performing upgrading according to the upgrading packet.
Further, after the node type of the terminal device of the internet of things is identified according to the updated information tree structure of the terminal device of the internet of things, the method may further include:
when the node type of the terminal equipment of the Internet of things is a child node, acquiring first state information of all child nodes of the terminal equipment of the Internet of things in an updated information tree structure of the terminal equipment of the Internet of things;
calculating second updating priorities of all the child nodes according to the first state information, and overlapping the second updating priorities with the first updating priorities to obtain third updating priorities;
sending an upgrade package, a third update priority and the internet of things terminal device update information tree structure to the internet of things terminal device at the next level of the internet of things terminal device update information tree structure, so that the next level of the child node device executes upgrade according to the third update priority and the internet of things terminal device update information tree structure;
identifying whether the internet of things terminal equipment finishes upgrading on the node equipment at the upper level in the update information tree structure of the internet of things terminal equipment;
and when the upper-level node equipment is updated, performing upgrading according to the upgrading packet.
Further, after identifying whether the internet of things terminal device finishes upgrading on the node device at the upper level in the update information tree structure of the internet of things terminal device, the method may further include:
and when the updating of the node equipment at the upper stage is not finished, returning and identifying whether the node equipment at the upper stage in the updating information tree structure of the terminal equipment of the Internet of things finishes the updating of the terminal equipment of the Internet of things at intervals of a preset time period until the node equipment at the upper stage finishes the updating.
Further, after performing the upgrade according to the upgrade package, the method may further include:
and sending the upgrading state information of the terminal equipment of the Internet of things to the OTA server.
Further, after sending the update status of the internet of things terminal device to the OTA server, the method may further include:
and finishing upgrading based on the terminal equipment of the Internet of things, and sending upgrading termination information of the terminal equipment of the Internet of things to the OTA server.
In a third aspect of embodiments of the present disclosure, there is provided an OTA server, which may include:
the system comprises an acquisition module, a routing module and a processing module, wherein the acquisition module is used for acquiring first state information and a device type of the terminal device of the Internet of things to be updated, and the device type is used for representing whether the terminal device of the Internet of things has a routing function or not;
the priority calculation module is used for calculating a first updating priority of the terminal equipment of the Internet of things to be updated according to the first state information;
the tree structure building module is used for building an updating information tree structure of the terminal equipment of the Internet of things according to the equipment type and the OTA server, wherein the root node of the updating information tree structure of the terminal equipment of the Internet of things is the OTA server, the child nodes are the terminal equipment of the Internet of things with the routing function, and the leaf nodes are the terminal equipment of the Internet of things without the routing function;
and the sending module is used for sending the upgrade package, the first update priority and the update information tree structure of the terminal equipment of the internet of things to a first-level sub-node under a root node of the update information tree structure of the terminal equipment of the internet of things, so that the first-level sub-node equipment executes upgrade according to the first update priority and the update information tree structure of the terminal equipment of the internet of things.
According to a fourth aspect of the embodiments of the present disclosure, there is provided an internet of things terminal device, which may include:
the receiving module is used for receiving the upgrade package, the first update priority and the update information tree structure of the terminal equipment of the Internet of things sent by the OTA server;
the identification module is used for identifying the node type of the terminal equipment of the Internet of things according to the updated information tree structure of the terminal equipment of the Internet of things;
the identification module is also used for identifying whether the node equipment of the internet of things finishes upgrading in the previous level node equipment in the update information tree structure of the terminal equipment of the internet of things when the node type of the terminal equipment of the internet of things is a leaf node;
and the upgrade execution module is used for executing upgrade according to the upgrade package when the upper-level node equipment is updated.
According to a fifth aspect of embodiments of the present disclosure, there is provided an electronic apparatus, which may include:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the over-the-air technology, OTA, upgrade method for the terminal device of the internet of things as shown in any embodiment of the first aspect.
According to a sixth aspect of the embodiments of the present disclosure, there is provided a storage medium, where instructions in the storage medium are executed by a processor of an information processing apparatus or a server, so as to cause the information processing apparatus or the server to implement an over-the-air technology OTA upgrade method of an internet of things terminal device as shown in any one of the embodiments of the first aspect.
The technical scheme provided by the embodiment of the disclosure at least brings the following beneficial effects:
according to the method, the original OTA architecture is not required to be modified, the updating priority of the terminal equipment of the Internet of things to be updated is calculated, the updating information tree structure of the terminal equipment of the Internet of things is constructed according to whether the terminal equipment of the Internet of things to be updated has the routing function or not, so that the terminal equipment of the Internet of things to be updated is updated according to the updating information tree structure and the updating priority of the terminal equipment of the Internet of things, wherein the updating information tree structure of the terminal equipment of the Internet of things has the routing function, and the networking terminal equipment of the construction with the routing function continues to issue the updating package as the sub-server, so that the multi-terminal concurrent updating is realized, the external artificial interference and control are not required, the method has high intelligence, and the updating speed of the terminal equipment of the Internet of things in the whole Internet of things system is greatly improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the disclosure and are not to be construed as limiting the disclosure.
Fig. 1 is a flowchart illustrating an over-the-air technology OTA upgrade method for an internet-of-things terminal device according to an exemplary embodiment;
fig. 2 is a schematic diagram illustrating an update information tree structure of a terminal device of the internet of things according to an exemplary embodiment;
fig. 3 is a flowchart illustrating an over-the-air technology OTA upgrade method for an internet of things terminal device according to another exemplary embodiment;
fig. 4 is a flowchart illustrating an over-the-air technology OTA upgrade method for an internet-of-things terminal device according to an embodiment;
fig. 5 is a schematic diagram illustrating an OTA server architecture according to an exemplary embodiment;
fig. 6 is a schematic structural diagram of a terminal device of the internet of things according to an exemplary embodiment;
FIG. 7 is a schematic diagram of an electronic device shown in accordance with an exemplary embodiment;
fig. 8 is a schematic diagram illustrating a hardware structure of an electronic device according to an example embodiment.
Detailed Description
In order to make the technical solutions of the present disclosure better understood by those of ordinary skill in the art, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the disclosure described herein are capable of operation in sequences other than those illustrated or otherwise described herein. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Abbreviations
OTA is an abbreviation of english Over-the-air technology, and chinese means an Over-the-air technology, which is a method for updating the firmware of an intelligent device system through wireless.
At present, for large-scale OTA (over the air) upgrading operation of terminal equipment of the Internet of things, two solutions are mainly provided, wherein one solution is to control network flow in a batch upgrading mode through server-side control equipment so as to avoid network congestion; and the other method is to meet the upgrading requirement of large-scale terminal equipment of the Internet of things by increasing the network bandwidth. The former has a very long whole upgrade period, and the latter has high cost.
As shown in fig. 1, in a first aspect of the embodiments of the present disclosure, an over-the-air technology OTA upgrading method for an internet-of-things terminal device is provided, and is applied to an OTA server, where the method may include:
s100: acquiring first state information and a device type of the terminal device of the Internet of things to be updated, wherein the device type is used for representing whether the terminal device of the Internet of things has a routing function or not;
s200: calculating a first updating priority of the terminal equipment of the Internet of things to be updated according to the first state information;
s300: the method comprises the steps that an updating information tree structure of the terminal equipment of the Internet of things is constructed according to equipment types and an OTA server, wherein the root node of the updating information tree structure of the terminal equipment of the Internet of things is the OTA server, child nodes are the terminal equipment of the Internet of things with a routing function, and leaf nodes are the terminal equipment of the Internet of things without the routing function;
s400: and sending an upgrade package, a first update priority and the updating information tree structure of the terminal equipment of the internet of things to a first-level child node under a root node of the updating information tree structure of the terminal equipment of the internet of things, so that the first-level child node equipment executes upgrading according to the first update priority and the updating information tree structure of the terminal equipment of the internet of things.
According to the method, the original OTA architecture is not required to be modified, the updating priority of the terminal equipment of the Internet of things to be updated is calculated, the updating information tree structure of the terminal equipment of the Internet of things is constructed according to whether the terminal equipment of the Internet of things to be updated has the routing function or not, so that the terminal equipment of the Internet of things to be updated is updated according to the updating information tree structure and the updating priority of the terminal equipment of the Internet of things, the concurrent updating of multiple terminals is achieved, external manual interference and control are not required, high intellectualization is achieved, the updating speed of the terminal equipment of the Internet of things in the whole Internet of things system is greatly improved, and high cost is.
Specific implementations of the above steps will be described in detail below.
First, step 100 is introduced, and first state information and a device type of the internet of things terminal device to be updated are obtained.
In this step, the first status information may include an idle status and a working status, and the working status may be further divided according to the important grades of the work tasks. The equipment type is obtained to confirm whether the terminal equipment of the Internet of things to be updated has a routing function; the terminal equipment of the internet of things to be updated with the routing function is of an upgrade patch forwarding function, and can be used as a sub-server to assist the OTA server in sending the upgrade patch.
Next, step 200 is introduced, in which a first update priority of the to-be-updated internet-of-things terminal device is calculated according to the first state information.
In this step, the first state information may include: the equipment task state and the equipment task weight value; in order to realize multi-terminal concurrent upgrading, the updating priority of each piece of the internet of things terminal equipment to be updated is calculated, and the pieces of the internet of things terminal equipment to be updated are arranged in sequence according to the first updating priority, so that the equipment of the whole internet of things system ensures that the terminal equipment of the whole system is updated fastest and the total delay is lowest while the internet of things system is ensured to work stably. Specifically, the OTA server calculates a product of an equipment task state and an equipment task weight value of the to-be-updated Internet of things terminal equipment to obtain a first update priority of the to-be-updated Internet of things terminal equipment.
Referring to step 300, an update information tree structure of the terminal device of the internet of things is constructed according to the device type and the OTA server.
In this step, in order to enable the multiple terminals to be upgraded concurrently, terminal devices in the whole internet of things system are sorted, combined and sequenced, the internet of things terminal device to be updated with the routing function is used as an intermediate node to become a sub-server, and the internet of things terminal device to be updated without the routing function is used as an end node construction object networking terminal device update information tree structure. The terminal equipment of the internet of things to be updated can perform upgrading and updating according to the updated information tree structure of the terminal equipment of the internet of things, so that concurrent upgrading of multiple terminal equipments is realized.
Finally, step 400 is introduced, in which an upgrade package, a first update priority and an update information tree structure of the internet of things terminal device are sent to a first-level child node under a root node of the update information tree structure of the internet of things terminal device, so that the first-level child node device performs upgrade according to the first update priority and the update information tree structure of the internet of things terminal device.
In this step, the OTA server sends an upgrade package, a first update priority and an update information tree structure of the internet of things terminal device to a next node of the update information tree structure of the internet of things terminal device, wherein the upgrade package is used for upgrading and updating the internet of things terminal device to be updated, the update information tree structure of the internet of things terminal device is used for judging whether a current node is the internet of things terminal device with a routing function, and the first update priority is used as a basis for calculating and updating the update priority of the internet of things terminal device with the routing function, which is used as a next node device of the sub-server.
In some optional embodiments of the present disclosure, after sending the upgrade packet, the first update priority, and the internet of things terminal device update information tree structure to the first-level child node device of the internet of things terminal device update information tree structure, the method further includes:
receiving OTA upgrading state information sent by the terminal equipment of the Internet of things to be updated, wherein the OTA upgrading state information is an updating state reported by the terminal equipment of the Internet of things to be updated at the timing of executing OTA upgrading;
and updating the OTA upgrading state information into a database.
In some optional embodiments of the present disclosure, after updating the OTA upgrade status information into the database, the method further comprises:
receiving all OTA upgrading completion information sent by the Internet of things terminal equipment to be updated;
and updating all OTA upgrading completion information into a database.
As shown in fig. 3, in a second aspect of the embodiment of the present disclosure, an over-the-air technology OTA upgrading method for an internet of things terminal device is provided, and is applied to the internet of things terminal device, where the method may include:
t100: receiving an upgrade package, a first update priority and an update information tree structure of the terminal equipment of the Internet of things sent by the OTA server;
t200: identifying the node type of the terminal equipment of the Internet of things according to the updated information tree structure of the terminal equipment of the Internet of things;
t300: when the node type of the terminal equipment of the Internet of things is a leaf node, identifying whether the terminal equipment of the Internet of things finishes upgrading on the node equipment at the upper level in the updating information tree structure of the terminal equipment of the Internet of things;
t400: and when the upper-level node equipment is updated, performing upgrading according to the upgrading packet.
The method of the embodiment corresponds to the first embodiment, the original OTA architecture is not required to be modified, the terminal equipment of the Internet of things updates the information tree structure by receiving the upgrade package, the first update priority and the terminal equipment of the Internet of things sent by the OTA server, and updates according to the update information tree structure and the update priority of the terminal equipment of the Internet of things, so that the concurrent upgrade of multiple terminals is realized, the external manual interference and control are not required, the method has higher intellectualization, the upgrade speed of the terminal equipment of the Internet of things in the whole Internet of things system is greatly improved, and the high cost is not required.
In some optional embodiments of the present disclosure, after identifying the node type of the terminal device of the internet of things according to the updated information tree structure of the terminal device of the internet of things, the method further includes:
when the node type of the terminal equipment of the Internet of things is a child node, acquiring first state information of all child nodes of the terminal equipment of the Internet of things in an updated information tree structure of the terminal equipment of the Internet of things;
calculating second updating priorities of all the child nodes according to the first state information, and overlapping the second updating priorities with the first updating priorities to obtain third updating priorities;
sending an upgrade package, a third update priority and the internet of things terminal device update information tree structure to the internet of things terminal device at the next level of the internet of things terminal device update information tree structure, so that the next level of the child node device executes upgrade according to the third update priority and the internet of things terminal device update information tree structure;
identifying whether the internet of things terminal equipment finishes upgrading on the node equipment at the upper level in the update information tree structure of the internet of things terminal equipment;
and when the upper-level node equipment is updated, performing upgrading according to the upgrading packet.
In some optional embodiments of the present disclosure, after identifying whether the internet of things terminal device completes upgrading of a node device at a previous level in the update information tree structure of the internet of things terminal device, the method further includes:
and when the updating of the node equipment at the upper stage is not finished, returning and identifying whether the node equipment at the upper stage in the updating information tree structure of the terminal equipment of the Internet of things finishes the updating of the terminal equipment of the Internet of things at intervals of a preset time period until the node equipment at the upper stage finishes the updating.
In some optional embodiments of the disclosure, after performing the upgrade according to the upgrade package, the method further comprises:
and sending the upgrading state information of the terminal equipment of the Internet of things to the OTA server.
In some optional embodiments of the present disclosure, after sending the update status of the internet of things terminal device to the OTA server, the method further includes:
and finishing upgrading based on the terminal equipment of the Internet of things, and sending upgrading termination information of the terminal equipment of the Internet of things to the OTA server.
For example, as shown in fig. 4, in a specific implementation scenario of the system upgrade of the internet of things, the implementation scenario involving an OTA server and a terminal device of the internet of things may specifically include:
OTA server
1) The OTA server acquires and updates all terminal equipment state information lists in the network, wherein the terminal equipment state lists comprise equipment task states T and W, the equipment task states T are { T1, T2, … and tn } and weight information W is { W1, W2, … and wn }, N belongs to [0 and N ], wherein N is the number of terminal equipment in the Internet of things, tn represents that the task state value is 0 or 1, the task state value is 0 and is not executed, the task is executed when the value is 1, wn represents that the weight value is [0 and 10], and the larger the value is, the larger the weight is, the more important the task is.
2) Calculating task priorities of all the terminal equipment of the Internet of things, marking the types of the terminal equipment of the Internet of things, and generating a terminal equipment information tree with an OTA main server as a root node, wherein the task priority calculation method comprises the following steps:
P＝{p1，p2，…,pn}
pn＝tn*wn
DList＝{d1，d2，…dn}，n∈[0,N]
dn include{id,pn,type，rDevList}
in the above formula, P represents a priority list of all internet of things terminal devices in the internet of things system, pn represents a priority of an internet of things terminal device n, tn and wn respectively represent a task state of the internet of things terminal device and a task weight value of the internet of things terminal device, DList represents list information of all internet of things terminal devices in the network, dn represents information of the nth internet of things terminal device, including an internet of things terminal device id, an internet of things terminal device priority pn, an internet of things terminal device type and an internet of things terminal device dependent list rdevilist, the internet of things terminal device dependent list is a sub-geometry of DList of the internet of things terminal device which must be upgraded before the internet of things terminal device is upgraded, and a user can customize and configure the terminal device into a configuration file according to tasks.
3) And performing OTA updating operation on all the primary sub-Internet of things terminal equipment under the root node (OTA server), wherein the updating process sends an upgrade package to all the equipment lists DnList under the Internet of things terminal equipment to the Internet of things terminal equipment dn needing OTA.
4) And waiting for the terminal equipment of the Internet of things to report the OTA upgrading state information, wherein the terminal equipment of the Internet of things can report the upgrading state information of the OTA regularly at the moment, and the OTA server receives the information and updates the information into the database.
5) Waiting for all the terminal equipment of the Internet of things in the Internet of things system to finish the OTA upgrading operation, and finally updating the OTA upgrading termination state of all the terminal equipment of the Internet of things in the whole Internet of things system to the server
OTA upgrading process concurrently executed by terminal equipment of Internet of things
1) And waiting for the OTA server to initiate OTA updating operation, executing a monitoring program on the OTA, and monitoring the OTA server to initiate OTA updating operation.
2) And analyzing the OTA request of the OTA server, extracting a zip file of the OTA upgrade package sent by the OTA server in the process, and analyzing the DnList of the Internet of things terminal equipment sent by the OTA server, wherein the list information comprises the type information of the Internet of things terminal equipment of the node and the information of all the sub nodes.
4) If the current node is the end node (Dnlist does not contain child node information), then directly executing step 7), otherwise executing step 5)
5) Updating the state information of all the child nodes in the current node DnList, calculating the priority information of all the child nodes according to the step 2) in the OTA server OTA updating process, and overlapping the priority information of the child nodes corresponding to the DnList to obtain the fusion priority information.
6) And issuing an updating command and an OTA upgrading packet to all the sub-nodes for OTA updating, and finishing iterative updating by all the sub-node Internet of things terminal equipment according to the steps 1) to 9.
7) And calculating whether the dependent node of the node completes the updating.
8) If the dependent node of the node finishes updating, the OTA upgrading is executed by the dependent node of the node, otherwise, the step 7) is carried out by delaying 3 s.
9) Reporting the OTA upgrade termination status to the server.
The method of the embodiment realizes the compatibility of the original OTA scheme, can be conveniently integrated into an Internet of things system supporting OTA upgrading, realizes the OTA upgrading operation of the Internet of things terminal equipment in the network in a low-cost mode, is more efficient and stable compared with the traditional scheme, has wide application prospect and deep commercial value, and has the following specific beneficial effects and scenes:
1. in the star-type Internet of things system, the method can effectively reduce the requirement on network bandwidth in the process of OTA (over the air) upgrading of the Internet of things system, and under the condition of the same bandwidth, the scheme can support more Internet of things equipment terminals to be upgraded simultaneously, so that the method has obvious advantages in efficiency compared with the traditional scheme;
2. in the large-scale OTA upgrading of the terminal equipment of the Internet of things under the condition that the normal operation of the Internet of things system is required to be ensured, the method can achieve effective balance of system work and upgrading tasks by simply configuring the tasks and priority rights of all the terminal equipment of the Internet of things, and efficiently finish OTA upgrading and updating of the terminal equipment of the Internet of things of the whole Internet of things system on the premise of ensuring that the stable work of the system is not influenced;
3. in the large-scale terminal upgrading in the old Internet of things system requiring insufficient network bandwidth configuration, the concurrent upgrading of the method can complete the data transmission by fully utilizing the internal bandwidth of the network without depending on the access bandwidth of an external server to realize the high-efficiency OTA upgrading and updating.
The method greatly improves the stability of the Internet of things system in the OTA upgrading process, and efficiently finishes the OTA upgrading of the terminal equipment under the conditions of low cost and low bandwidth.
As shown in fig. 5, in a third aspect of the embodiments of the present disclosure, there is provided an OTA server, which may include:
the system comprises an acquisition module, a routing module and a processing module, wherein the acquisition module is used for acquiring first state information and a device type of the terminal device of the Internet of things to be updated, and the device type is used for representing whether the terminal device of the Internet of things has a routing function or not;
the priority calculation module is used for calculating a first updating priority of the terminal equipment of the Internet of things to be updated according to the first state information;
the tree structure building module is used for building an updating information tree structure of the terminal equipment of the Internet of things according to the equipment type and the OTA server, wherein the root node of the updating information tree structure of the terminal equipment of the Internet of things is the OTA server, the child nodes are the terminal equipment of the Internet of things with the routing function, and the leaf nodes are the terminal equipment of the Internet of things without the routing function;
and the sending module is used for sending the upgrade package, the first update priority and the update information tree structure of the terminal equipment of the internet of things to a first-level sub-node under a root node of the update information tree structure of the terminal equipment of the internet of things, so that the first-level sub-node equipment executes upgrade according to the first update priority and the update information tree structure of the terminal equipment of the internet of things.
As shown in fig. 6, in a fourth aspect of the embodiments of the present disclosure, there is provided an internet of things terminal device, which may include:
the receiving module is used for receiving the upgrade package, the first update priority and the update information tree structure of the terminal equipment of the Internet of things sent by the OTA server;
the identification module is used for identifying the node type of the terminal equipment of the Internet of things according to the updated information tree structure of the terminal equipment of the Internet of things;
the identification module is also used for identifying whether the node equipment of the internet of things finishes upgrading in the previous level node equipment in the update information tree structure of the terminal equipment of the internet of things when the node type of the terminal equipment of the internet of things is a leaf node;
and the upgrade execution module is used for executing upgrade according to the upgrade package when the upper-level node equipment is updated.
Optionally, as shown in fig. 7, an electronic device 700 is further provided in this embodiment of the present application, and includes a processor 701, a memory 702, and a program or an instruction stored in the memory 702 and executable on the processor 701, where the program or the instruction is executed by the processor 701 to implement each process of the above-mentioned OTA upgrading method for terminal devices of the internet of things, and can achieve the same technical effect, and details are not repeated here to avoid repetition.
It should be noted that the electronic device in the embodiment of the present application includes the mobile electronic device and the non-mobile electronic device described above.
Fig. 8 is a schematic diagram of a hardware structure of an electronic device implementing an embodiment of the present application.
The electronic device 800 includes, but is not limited to: a radio frequency unit 801, a network module 802, an audio output unit 803, an input unit 804, a sensor 805, a display unit 806, a user input unit 807, an interface unit 808, a memory 809, and a processor 810.
Those skilled in the art will appreciate that the electronic device 800 may further comprise a power source (e.g., a battery) for supplying power to the various components, and the power source may be logically connected to the processor 810 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system. The electronic device structure shown in fig. 8 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than those shown, or combine some components, or arrange different components, and thus, the description is omitted here.
It should be understood that in the embodiment of the present application, the input Unit 804 may include a Graphics Processing Unit (GPU) 8041 and a microphone 8042, and the Graphics Processing Unit 8041 processes image data of a still picture or a video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 806 may include a display panel 8061, and the display panel 8061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 807 includes a touch panel 8071 and other input devices 8072. A touch panel 8071, also referred to as a touch screen. The touch panel 8071 may include two portions of a touch detection device and a touch controller. Other input devices 8072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein. The memory 809 may be used to store software programs as well as various data including, but not limited to, application programs and operating systems. The processor 810 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 810.
The embodiment of the application further provides a storage medium, where a program or an instruction is stored on the storage medium, and when the program or the instruction is executed by the processor, the various processes of the embodiment of the OTA upgrading method for the terminal device of the internet of things are implemented, and the same technical effects can be achieved, and in order to avoid repetition, the details are not repeated here.
The processor is the processor in the electronic device described in the above embodiment. The storage medium includes a computer-readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
The embodiment of the application further provides a chip, the chip comprises a processor and a communication interface, the communication interface is coupled with the processor, the processor is used for running programs or instructions, the processes of the embodiment of the OTA upgrading method of the terminal equipment of the Internet of things are realized, the same technical effects can be achieved, and repeated description is omitted here for avoiding repetition.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. An OTA upgrading method for an over-the-air technology of terminal equipment of the Internet of things is applied to an OTA server and is characterized by comprising the following steps:
acquiring first state information and a device type of the terminal device of the Internet of things to be updated, wherein the device type is used for representing whether the terminal device of the Internet of things has a routing function or not;
calculating a first updating priority of the terminal equipment of the Internet of things to be updated according to the first state information;
constructing a networking terminal device updating information tree structure according to the device type and the OTA server, wherein a root node of the networking terminal device updating information tree structure is an OTA server, child nodes are the networking terminal devices with a routing function, and leaf nodes are the networking terminal devices without the routing function;
and sending an upgrade package, the first update priority and the updated information tree structure of the terminal equipment of the internet of things to a first-level sub-node under a root node of the updated information tree structure of the terminal equipment of the internet of things, so that the first-level sub-node equipment executes upgrade according to the first update priority and the updated information tree structure of the terminal equipment of the internet of things.
2. The method of claim 1, wherein the first state information comprises: the equipment task state and the equipment task weight value;
the calculating of the first update priority of the to-be-updated internet of things terminal device according to the first state information specifically includes:
and calculating the product of the equipment task state and the equipment task weight value of the to-be-updated Internet of things terminal equipment to obtain a first update priority of the to-be-updated Internet of things terminal equipment.
3. The method of claim 1, wherein after the sending an upgrade package, the first update priority, and the internet of things terminal device update information tree structure to a first level child node device of the internet of things terminal device update information tree structure, the method further comprises:
receiving OTA upgrading state information sent by the terminal equipment of the Internet of things to be updated, wherein the OTA upgrading state information is an updating state reported by the terminal equipment of the Internet of things to be updated at regular time when the terminal equipment of the Internet of things to be updated executes OTA upgrading;
and updating the OTA upgrading state information into a database.
4. The method of claim 3, wherein after the updating the OTA upgrade status information into a database, the method further comprises:
receiving all OTA upgrading completion information sent by the Internet of things terminal equipment to be updated;
and updating all OTA upgrading completion information into a database.
5. An OTA (over the air) upgrading method for terminal equipment of the Internet of things is applied to the terminal equipment of the Internet of things and is characterized by comprising the following steps:
receiving an upgrade package, a first update priority and an update information tree structure of the terminal equipment of the Internet of things sent by the OTA server;
identifying the node type of the terminal equipment of the Internet of things according to the updated information tree structure of the terminal equipment of the Internet of things;
when the node type of the terminal equipment of the Internet of things is a leaf node, identifying whether the terminal equipment of the Internet of things finishes upgrading on the node equipment at the upper level in the updating information tree structure of the terminal equipment of the Internet of things;
and when the upper-level node equipment is updated, performing upgrading according to the upgrading packet.
6. The method of claim 5, wherein after identifying the node type of the IoT terminal device from the IoT terminal device update information tree structure, the method further comprises:
when the node type of the terminal equipment of the Internet of things is a child node, acquiring the first state information of all child nodes of the terminal equipment of the Internet of things in an updated information tree structure of the terminal equipment of the Internet of things;
calculating second updating priorities of all the child nodes according to the first state information, and overlapping the second updating priorities with the first updating priorities to obtain third updating priorities;
sending an upgrade package, the third update priority and the internet of things terminal device update information tree structure to the internet of things terminal device at the next level of sub-node device in the internet of things terminal device update information tree structure, so that the next level of sub-node device executes upgrade according to the third update priority and the internet of things terminal device update information tree structure;
identifying whether the node equipment of the internet of things finishes upgrading in the last level of the updating information tree structure of the terminal equipment of the internet of things;
and when the upper-level node equipment is updated, performing upgrading according to the upgrading packet.
7. The method according to claim 5 or 6, wherein after the identifying whether the IOT terminal device completes upgrading at a node device at a higher level in the IOT terminal device update information tree structure, the method further comprises:
and when the updating of the node equipment at the upper level is not completed, returning to the step of identifying whether the node equipment at the upper level in the updating information tree structure of the terminal equipment of the Internet of things completes the updating at intervals of a preset time period until the node equipment at the upper level completes the updating.
8. A server, comprising:
the system comprises an acquisition module, a routing module and a processing module, wherein the acquisition module is used for acquiring first state information and a device type of the terminal device of the Internet of things to be updated, and the device type is used for representing whether the terminal device of the Internet of things has a routing function or not;
the priority calculation module is used for calculating a first updating priority of the to-be-updated Internet of things terminal equipment according to the first state information;
the tree structure building module is used for building an updating information tree structure of the terminal equipment of the Internet of things according to the equipment type and the OTA server, wherein the root node of the updating information tree structure of the terminal equipment of the Internet of things is the OTA server, the child nodes are the terminal equipment of the Internet of things with a routing function, and the leaf nodes are the terminal equipment of the Internet of things without the routing function;
and the sending module is used for sending an upgrade package, the first update priority and the updated information tree structure of the terminal equipment of the internet of things to a first-level sub-node under a root node of the updated information tree structure of the terminal equipment of the internet of things, so that the first-level sub-node equipment executes upgrade according to the first update priority and the updated information tree structure of the terminal equipment of the internet of things.
9. An internet of things terminal device, comprising:
the receiving module is used for receiving the upgrade package, the first update priority and the update information tree structure of the terminal equipment of the Internet of things sent by the OTA server;
the identification module is used for identifying the node type of the terminal equipment of the Internet of things according to the updated information tree structure of the terminal equipment of the Internet of things;
the identification module is further configured to identify whether the node device of the internet of things finishes upgrading in a previous node device in an update information tree structure of the terminal device of the internet of things when the node type of the terminal device of the internet of things is a leaf node;
and the upgrade execution module is used for executing upgrade according to the upgrade package when the upper-level node equipment is updated.
10. An electronic device, comprising:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the over-the-air technology (OTA) upgrade method for the terminal device of the Internet of things according to any one of claims 1-7.
11. A storage medium, wherein instructions in the storage medium, when executed by a processor of an information processing apparatus or a server, cause the information processing apparatus or the server to implement the over-the-air technology OTA upgrade method of an internet of things terminal device according to any one of claims 1 to 7.
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