CN110851158B - Method and system for upgrading external firmware of intelligent lock - Google Patents
Method and system for upgrading external firmware of intelligent lock Download PDFInfo
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- CN110851158B CN110851158B CN201911045850.2A CN201911045850A CN110851158B CN 110851158 B CN110851158 B CN 110851158B CN 201911045850 A CN201911045850 A CN 201911045850A CN 110851158 B CN110851158 B CN 110851158B
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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
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
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- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a method and a system for upgrading external firmware of an intelligent lock, wherein the method comprises the following steps: step 1, detecting information of external equipment accessed to an intelligent lock, and sending the information to a server, wherein the information comprises version information; step 2, the version information received by the server is sent to the mobile terminal; and 3, judging whether the version information received by the mobile terminal is matched with the version information to be upgraded of the intelligent lock, if so, replacing the original firmware module of the intelligent lock with the firmware module of the external equipment. The invention has the advantages of simple upgrading operation, high transmission efficiency, good stability, high speed, safety and reliability.
Description
Technical Field
The invention relates to the technical field of intelligent locks, in particular to an external firmware upgrading method and system for an intelligent lock.
Background
Some intelligent locks in the current market can upgrade firmware by connecting network cables, but most of the intelligent locks are upgraded by downloading the firmware on a gateway and then transmitting the firmware to a cloud lock, and the intelligent locks cannot be upgraded when facing Bluetooth locks and WIFI locks which are directly communicated with a cloud.
In addition, the current internet of things is the era of wireless transmission, and wireless transmission sometimes causes low transmission rate or data transmission failure due to instability due to various factors such as external interference and equipment limitation in actual life, and the influence is particularly severe in OTA upgrading.
Disclosure of Invention
The invention aims to provide an external firmware upgrading method for an intelligent lock, which is simple in upgrading operation without the need of personnel to go to the door for maintenance or return to a factory when detecting that an intelligent locking part module is down.
The invention further aims to provide an external firmware upgrading system of the intelligent lock, which is simple to operate, high in transmission efficiency, good in stability, high in speed, safe and reliable.
To achieve the purpose, the invention adopts the following technical scheme:
an upgrade method of external firmware of an intelligent lock, when an original firmware module of the intelligent lock is down, the method comprises the following steps:
step 1: detecting information of external equipment accessed to the intelligent lock, and sending the information to a server, wherein the information comprises version information;
step 2: the version information received by the server is sent to the mobile terminal;
step 3: judging whether the version information received by the mobile terminal is matched with the version information to be upgraded of the intelligent lock, if so, replacing the original firmware module of the intelligent lock with the new firmware module of the external equipment;
the method further comprises the steps of:
a fingerprint input step, when the external equipment inputs the fingerprint for the first time, entering a setting catalog of the intelligent lock, pairing with the external equipment through a special command of the intelligent lock, and if pairing is successful, inputting the fingerprint on a fingerprint acquisition module of the external equipment, and storing the input fingerprint as an unlocking fingerprint;
a fingerprint acquisition step, namely acquiring a real-time fingerprint through a fingerprint acquisition module of external equipment when the intelligent lock is accessed to the external equipment again;
a fingerprint verification step, namely verifying whether the real-time fingerprint is an unlocking fingerprint, and when the fingerprint is verified to be the unlocking fingerprint, executing the step 3, wherein the original firmware module of the intelligent lock is replaced by the new firmware module of the external equipment, the external equipment and the intelligent lock are effectively in wired data communication, and when the verification fails, the original firmware module of the external equipment does not operate, and the external equipment and the intelligent lock do not perform data communication;
updating the external equipment: after logging in the official network through the mobile terminal, downloading a new firmware module, and sending the new firmware module to external equipment so as to update the intelligent lock; when the mobile terminal acquires a new fixed module from the server, the server also detects an access port of the mobile terminal, judges whether a specified external mobile terminal is accessed, and successfully downloads the mobile terminal when the specified external mobile terminal is confirmed;
the new firmware module is an encryption module and is used for identifying and using the appointed external equipment; the version of the new firmware module of the external equipment is not fixed, can be only downloaded and updated in the official network, and before entering a downloading interface, whether the external equipment is a company product is detected, if so, the encrypted firmware file is allowed to be downloaded, and the encrypted firmware file has a special suffix and can only be used by a designated player;
reading, namely reading information of a new firmware module of the intelligent lock received by the mobile terminal; the original firmware module of the intelligent lock is originally closed, can only be checked for information and written in, but cannot be exported; when no external equipment is accessed, the mobile terminal can only check the information of the original firmware module of the intelligent lock; when external equipment is accessed, the mobile terminal can give an instruction to lead in the original firmware module of the external equipment, replace the original firmware module of the intelligent lock and process all the work of the intelligent lock by the new firmware module.
The system comprises an intelligent lock, external equipment, a mobile terminal and a server, wherein the intelligent lock, the mobile terminal and the server are connected through a communication network, and when an original firmware module of the intelligent lock is down, the external equipment establishes data communication with the intelligent lock in a wired mode;
the intelligent lock includes:
and a detection module: the information detection device is used for detecting information of external equipment, wherein the information comprises version information;
and a data transmitting module: transmitting the detected information of the external equipment to a server;
original firmware module: all work for handling intelligent locks;
an instruction module: the device is used for sending out special instructions and pairing with external equipment;
the external device includes:
new firmware module: the intelligent lock is used for replacing the original firmware module and replacing the original firmware module to process all the works of the intelligent lock;
fingerprint acquisition and storage module: the method comprises the steps of acquiring a real-time fingerprint, storing an unlocking fingerprint and verifying whether the real-time fingerprint is the unlocking fingerprint;
the server includes:
and the data information receiving and transmitting module is used for: the data transmission module is used for receiving information of the external equipment transmitted by the data transmission module of the intelligent lock and transmitting the information of the external equipment to the mobile terminal;
the mobile terminal includes:
and a data receiving module: the external equipment information receiving module is used for receiving information of external equipment sent by the data information receiving and sending module of the server;
and the data display module is used for: the external equipment is used for displaying the received information of the external equipment;
and a data replacement module: the intelligent lock comprises a main firmware module, a main firmware module and a main firmware module, wherein the main firmware module is used for selecting and controlling whether to replace the main firmware module of the intelligent lock with the main firmware module of the external equipment;
the external equipment is connected with the mobile terminal in a wired mode, and acquires a new firmware module from the mobile terminal;
wherein the new firmware module is an encryption module; the version of the new firmware module is not fixed, and can only be downloaded and updated in the official network;
the original firmware module of the intelligent lock is a module which can be searched, written in but not exported.
The beneficial effects of the invention are as follows: the data communication between the external equipment and the intelligent lock is established in a wired mode, so that the problems of unstable wireless transmission, low transmission efficiency and the like are effectively solved; in addition, whether the firmware module of the external equipment is replaced with the firmware module of the intelligent lock is manually determined by the mobile terminal, so that the external upgrade of the intelligent lock is realized, the problem that when the downtime of the firmware module in the intelligent lock is detected, the firmware module can only be maintained by a worker when the worker goes on the door or returns to a factory is solved, the operation is simple, the transmission efficiency is high, the stability is good, the speed is high, and the intelligent lock is safe and reliable.
Drawings
The present invention is further illustrated by the accompanying drawings, which are not to be construed as limiting the invention in any way.
FIG. 1 is a flow chart of a method of one embodiment of the present invention;
fig. 2 is a flow chart of fingerprint verification of a method of one embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
In this embodiment, as shown in fig. 1, when an original firmware module of an intelligent lock is down, the method includes the following steps:
step 1: detecting information of external equipment accessed to the intelligent lock, and sending the information to a server, wherein the information comprises version information, and specifically, the detected information of the external equipment comprises an identifier and version information, and the identifier can be a serial number, a UDID or a DeviceName;
step 2: the version information received by the server is sent to the mobile terminal;
step 3: judging whether the version information received by the mobile terminal is matched with version information to be upgraded of the intelligent lock, if so, replacing an original firmware module of the intelligent lock with a firmware module of the external equipment; if not, the original firmware module of the intelligent lock is not replaced.
The method is deployed in an external firmware upgrading system of the intelligent lock, establishes data communication between external equipment and the intelligent lock in a wired mode such as a USB data line and the like, and effectively solves the problems of unstable wireless transmission, low transmission efficiency and the like; in addition, whether the firmware module of the external equipment is replaced with the firmware module of the intelligent lock is manually determined by the mobile terminal, so that the external upgrade of the intelligent lock is realized, and the problem that when the internal firmware module of the intelligent lock is detected to be down, the firmware module can only be repaired by a worker to go on the door or returned to a factory is solved.
The external equipment and the intelligent lock both have storage functions, the external equipment can be understood to be a magnetic disk, the intelligent lock is a default magnetic disk, the intelligent lock is similar to a C disk of a computer, when no other firmware replaces the firmware module of the intelligent lock, the intelligent lock defaults to process anything through the firmware module of the intelligent lock, and when the detection module of the intelligent lock detects that the external equipment is successfully accessed and replaced, the intelligent lock can automatically enable new firmware to process all work of the intelligent lock. The detection module of the smart lock may be an RF detection module.
Preferably, the method further comprises: a fingerprint input step, when the external equipment is the first fingerprint input, entering a setting catalog of the intelligent lock, pairing with the external equipment through a special command of the intelligent lock, and if the pairing is successful, inputting the fingerprint on a fingerprint acquisition module of the external equipment, and storing the input fingerprint as an unlocking fingerprint;
a fingerprint acquisition step, namely acquiring a real-time fingerprint through a fingerprint acquisition module of external equipment when the intelligent lock is accessed to the external equipment again;
and a fingerprint verification step, namely verifying whether the real-time fingerprint is an unlocking fingerprint, when the fingerprint is verified to be the unlocking fingerprint, the firmware module of the external equipment replaces the original firmware module of the intelligent lock, the external equipment and the intelligent lock establish effective data communication, when the fingerprint verification fails, the firmware module of the external equipment does not operate, and the external equipment and the intelligent lock do not conduct data communication.
Specifically, when the external device is accessed again, namely from the second time, fingerprint authentication is required to be performed by the external device when the external device is accessed to the cloud lock each time. When the intelligent lock is down, the intelligent lock is connected to external equipment, fingerprint authentication of the external equipment is then carried out, after the fingerprint authentication is successful and version information of the external equipment is confirmed to be version information to be upgraded of the intelligent lock, an APP of the mobile terminal gives an instruction to enable a version in the external equipment to be imported into the intelligent lock, and an old version of an original firmware module of the intelligent lock is replaced. In other embodiments, if the smart lock is not down, the mobile terminal may determine whether the version information of the external device is the current latest version, and if so, it may determine whether to enable or quickly upgrade the original firmware module. When the external device is accessed to the intelligent lock each time, the intelligent lock can automatically communicate with the server to confirm whether the external device is the latest version or not, and meanwhile, the version number of the external device can be compared with that of the original firmware module.
Each instruction of the intelligent lock is different, namely a special instruction, wherein the special instruction is configured when the intelligent lock leaves the factory, or is set or modified in a user-defined mode after leaving the factory, specifically can be input of a fixed password, can be limited pressing/touching time, can be input of appointed voice and other different setting modes, and can enter a setting catalog of the intelligent lock by pressing a "#" key or a key set on the intelligent lock when fingerprint recording is needed to be performed by pairing with the intelligent lock, and then can obtain the special instruction by listening to the voice; and inputting a special command to be paired with the intelligent lock for fingerprint input.
The data communication between the intelligent lock and the external equipment can be established only through special instruction pairing and fingerprint verification, and even if the external firmware is lost, a thief cannot pass the security verification and cannot randomly start the external firmware connected with the intelligent lock, so that the security is greatly improved.
Further, in addition to the fingerprint input verification mode, a password encryption mode or a CPU card verification mode can be used in practice, and the external device is preferably small in design, so that compared with the fingerprint module, the password key module is larger in size, and therefore the fingerprint module is preferable.
Preferably, the method further comprises an updating step of the external equipment, wherein the updating step is used for acquiring a new firmware module on the official network, sending the new firmware module to the external equipment and updating the external equipment according to the received new firmware module.
The firmware module of the external equipment can be downloaded and updated after logging in the official network through a computer or a mobile terminal, so that a user can update the intelligent lock automatically. Preferably, when the computer or the mobile terminal acquires a new fixed module from the server, the server also detects an access port of the computer or the mobile terminal, judges whether the access of the appointed external equipment exists, and can successfully download the appointed external equipment when confirming that the appointed external equipment is an external equipment product of a company, thereby avoiding the organic multiplication of lawbreakers and further improving the safety.
Preferably, the new firmware module is an encryption module, and the identification and use of the external device are specified.
The version of the firmware module of the external equipment is not fixed, the external equipment can be only downloaded and updated on the official network, the official can detect whether the external equipment is a company product or not before entering a downloading interface, if yes, the external equipment is allowed to be downloaded, the firmware file downloaded on the official network is encrypted, the suffix is special and can only be identified and used by the external equipment, the external equipment has special suffix like an encryption buffer file of an alien art and a messenger video, the external equipment can only be used by a designated player, and the use safety is improved.
Preferably, the method further comprises a reading step of reading information of the firmware module of the intelligent lock received by the mobile terminal.
To improve security, the stored information of the smart lock is protected from theft, and the firmware module of the smart lock is closed, can only be checked for information and written, but cannot be exported. When no external equipment is accessed, the mobile terminal can only check the information of the firmware module of the intelligent lock; when external equipment is accessed, the mobile terminal can give an instruction to lead in the firmware module of the external equipment, replace the original firmware module of the intelligent lock and process all the work of the intelligent lock by the new firmware module.
An external firmware upgrading system of an intelligent lock is shown in fig. 2, and comprises the intelligent lock, external equipment, a mobile terminal and a server, wherein the intelligent lock, the mobile terminal and the server are connected through a communication network, and when an original firmware module of the intelligent lock is down, the external equipment establishes data communication with the intelligent lock in a wired mode;
the intelligent lock includes:
and a detection module: the information detection device is used for detecting information of external equipment, wherein the information comprises version information; specifically, the detection module is an RF module, and can detect information of external equipment connected to the intelligent lock and an original firmware module of the intelligent lock, wherein the information detected by the RF module includes an identifier and version information, and the identifier can be a serial number, a UDID or a DeviceName;
and a data transmitting module: transmitting the detected information of the external equipment to a server; specifically, after the intelligent lock is connected to the external device, the information of the intelligent lock is updated, and at the moment, the information of the external device is sent to the server.
Original firmware module: all work for handling intelligent locks;
the external device includes:
firmware module: the intelligent lock is used for replacing the original firmware module and replacing all the work of processing the intelligent lock;
the server includes:
and the data information receiving and transmitting module is used for: the information sending module is used for sending the information of the external equipment to the mobile terminal;
the mobile terminal includes:
and a data receiving module: the external equipment information receiving module is used for receiving information of external equipment sent by the data information receiving and sending module of the server;
and the data display module is used for: the information display module is used for displaying the received information of the external equipment;
and a data replacement module: and the firmware module is used for selecting and controlling whether to replace the original firmware module of the intelligent lock with the firmware module of the external equipment.
Preferably, the external device further comprises a fingerprint acquisition and storage module, wherein the fingerprint acquisition module is used for acquiring a real-time fingerprint, storing an unlocking fingerprint and verifying whether the real-time fingerprint is the unlocking fingerprint;
the intelligent lock further comprises an instruction module which is used for sending out special instructions and pairing with external equipment.
The instruction module can be a touch screen with a broadcasting function and a key module with a broadcasting function of the intelligent lock.
Preferably, the external device is connected with the computer or the mobile terminal in a wired manner, and the external device obtains the new firmware module from the computer or the mobile terminal.
Preferably, the new firmware module is an encryption module.
The version of the new firmware module is not fixed, can be only downloaded and updated on the official network, and can detect whether the external equipment is a company product or not before entering a downloading interface, if so, the external equipment is allowed to be downloaded, the firmware file downloaded on the official network is encrypted, the suffix is special and can only be identified and used by the external equipment, like the encrypted buffer file of the EQiyi and Tencent videos, the special suffix is provided, only the appointed player can be used, and the use safety is improved.
Preferably, the original firmware module of the intelligent lock is a searchable, writable, but non-exportable module.
The original module of the intelligent lock is closed, only information can be checked and written in, and when no external equipment is accessed, the mobile terminal can only check the information of the firmware module of the intelligent lock; when external equipment is accessed, the mobile terminal can give an instruction to enable the firmware module of the external equipment to be imported and replace the original firmware module of the intelligent lock, and the new firmware module processes all the work of the intelligent lock, so that the safety is improved, and the stored information of the intelligent lock is prevented from being stolen.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (2)
1. An upgrade method for external firmware of an intelligent lock is characterized by comprising the following steps: when an original firmware module of the intelligent lock is down, the method comprises the following steps:
step 1: detecting information of external equipment accessed to the intelligent lock, and sending the information to a server, wherein the information comprises version information;
step 2: the version information received by the server is sent to the mobile terminal;
step 3: judging whether the version information received by the mobile terminal is matched with the version information to be upgraded of the intelligent lock, if so, replacing the original firmware module of the intelligent lock with the new firmware module of the external equipment;
the method further comprises the steps of:
a fingerprint input step, when the external equipment inputs the fingerprint for the first time, entering a setting catalog of the intelligent lock, pairing with the external equipment through a special command of the intelligent lock, and if pairing is successful, inputting the fingerprint on a fingerprint acquisition module of the external equipment, and storing the input fingerprint as an unlocking fingerprint;
a fingerprint acquisition step, namely acquiring a real-time fingerprint through a fingerprint acquisition module of external equipment when the intelligent lock is accessed to the external equipment again;
a fingerprint verification step, namely verifying whether the real-time fingerprint is an unlocking fingerprint, and when the fingerprint is verified to be the unlocking fingerprint, executing the step 3, wherein the original firmware module of the intelligent lock is replaced by the new firmware module of the external equipment, the external equipment and the intelligent lock are effectively in wired data communication, and when the verification fails, the original firmware module of the external equipment does not operate, and the external equipment and the intelligent lock do not perform data communication;
updating the external equipment: after logging in the official network through the mobile terminal, downloading a new firmware module, and sending the new firmware module to external equipment so as to update the intelligent lock; when the mobile terminal acquires a new fixed module from the server, the server also detects an access port of the mobile terminal, judges whether a specified external mobile terminal is accessed, and successfully downloads the mobile terminal when the specified external mobile terminal is confirmed;
the new firmware module is an encryption module and is used for identifying and using the appointed external equipment; the version of the new firmware module of the external equipment is not fixed, can be only downloaded and updated in the official network, and before entering a downloading interface, whether the external equipment is a company product is detected, if so, the encrypted firmware file is allowed to be downloaded, and the encrypted firmware file has a special suffix and can only be used by a designated player;
reading, namely reading information of a new firmware module of the intelligent lock received by the mobile terminal; the original firmware module of the intelligent lock is originally closed, can only be checked for information and written in, but cannot be exported; when no external equipment is accessed, the mobile terminal can only check the information of the original firmware module of the intelligent lock; when external equipment is accessed, the mobile terminal can give an instruction to lead in the original firmware module of the external equipment, replace the original firmware module of the intelligent lock and process all the work of the intelligent lock by the new firmware module.
2. The system applied to the method for upgrading the external firmware of the intelligent lock of claim 1 is characterized by comprising the intelligent lock, external equipment, a mobile terminal and a server, wherein the intelligent lock, the mobile terminal and the server are connected through a communication network, and when an original firmware module of the intelligent lock is down, the external equipment establishes data communication with the intelligent lock in a wired mode;
the intelligent lock includes:
and a detection module: the information detection device is used for detecting information of external equipment, wherein the information comprises version information;
and a data transmitting module: transmitting the detected information of the external equipment to a server;
original firmware module: all work for handling intelligent locks;
an instruction module: the device is used for sending out special instructions and pairing with external equipment;
the external device includes:
new firmware module: the intelligent lock is used for replacing the original firmware module and replacing the original firmware module to process all the works of the intelligent lock;
fingerprint acquisition and storage module: the method comprises the steps of acquiring a real-time fingerprint, storing an unlocking fingerprint and verifying whether the real-time fingerprint is the unlocking fingerprint;
the server includes:
and the data information receiving and transmitting module is used for: the data transmission module is used for receiving information of the external equipment transmitted by the data transmission module of the intelligent lock and transmitting the information of the external equipment to the mobile terminal;
the mobile terminal includes:
and a data receiving module: the external equipment information receiving module is used for receiving information of external equipment sent by the data information receiving and sending module of the server;
and the data display module is used for: the external equipment is used for displaying the received information of the external equipment;
and a data replacement module: the intelligent lock comprises a main firmware module, a main firmware module and a main firmware module, wherein the main firmware module is used for selecting and controlling whether to replace the main firmware module of the intelligent lock with the main firmware module of the external equipment;
the external equipment is connected with the mobile terminal in a wired mode, and acquires a new firmware module from the mobile terminal;
wherein the new firmware module is an encryption module; the version of the new firmware module is not fixed, and can only be downloaded and updated in the official network;
the original firmware module of the intelligent lock is a module which can be searched, written in but not exported.
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| CN201911045850.2A CN110851158B (en) | 2019-10-30 | 2019-10-30 | Method and system for upgrading external firmware of intelligent lock |
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| CN201911045850.2A CN110851158B (en) | 2019-10-30 | 2019-10-30 | Method and system for upgrading external firmware of intelligent lock |
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| CN110851158B true CN110851158B (en) | 2023-08-15 |
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| CN110851158A (en) | 2020-02-28 |
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