CN115951913A - Wireless upgrading method and device for entrance guard card reader - Google Patents
Wireless upgrading method and device for entrance guard card reader Download PDFInfo
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- CN115951913A CN115951913A CN202211645825.XA CN202211645825A CN115951913A CN 115951913 A CN115951913 A CN 115951913A CN 202211645825 A CN202211645825 A CN 202211645825A CN 115951913 A CN115951913 A CN 115951913A
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- 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
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Abstract
The invention discloses a wireless upgrading method and a wireless upgrading device for an access control card reader, wherein the method comprises the following steps: establishing wireless connection with a handheld terminal; sending version information to the handheld terminal to acquire pre-upgrading information fed back by the handheld terminal; determining a directory to be upgraded according to the pre-upgrading information, and switching to a program upgrading mode after the directory to be upgraded is sent to the handheld terminal; then, sending an initialization instruction to the handheld terminal to acquire initialization information fed back by the handheld terminal; after an upgrading instruction sent by the handheld terminal is obtained, firmware upgrading is carried out according to the initialization information and upgrading data sent by the handheld terminal; the method and the device can wirelessly upgrade the firmware of the access control card reader through the handheld terminal, improve the safety performance of the access control card reader, and have the advantages of strong operability and convenient operation.
Description
Technical Field
The invention relates to the technical field of radio frequency identification, in particular to a wireless upgrading method and device for an access control card reader.
Background
With the development of security and protection technologies, more and more intelligent hardware is provided, and some conventional access control card readers are generally configured with only power lines, two wiegand signal lines and other input/output IO signal lines in order to meet the requirements of high performance-price ratio, low cost, simple and convenient installation and the like, and are not equipped with communication devices such as RS485, network interfaces and the like, so that programs cannot be upgraded in time through a network or special upgrading equipment, and the criminals are difficult to deal with endless invasion means. In addition, in order to ensure that the entrance guard card reader has good waterproof and explosion-proof performance, the entrance guard card reader is usually installed very tightly, so that the dismounting, upgrading and installation are very complicated, damage is easily caused, and great obstacle is caused to the upgrading of the entrance guard card reader.
Disclosure of Invention
The invention aims to solve the technical problem of providing a wireless upgrading method and device for an access control card reader.
The technical scheme adopted by the invention for solving the technical problem is as follows: a wireless upgrading method of an access control card reader is constructed, and the method comprises the following steps:
establishing wireless connection with a handheld terminal;
sending version information to the handheld terminal to acquire pre-upgrading information fed back by the handheld terminal;
determining a directory to be upgraded according to the pre-upgrading information, and switching to a program upgrading mode after the directory to be upgraded is sent to the handheld terminal;
then, sending an initialization instruction to the handheld terminal to acquire initialization information fed back by the handheld terminal;
and after an upgrading instruction sent by the handheld terminal is obtained, upgrading the firmware according to the initialization information and upgrading data sent by the handheld terminal.
Preferably, before the step of establishing a wireless connection with the handheld terminal, the method further includes:
and setting the handheld terminal into a card simulation mode.
Preferably, the wireless upgrading method for the access control card reader further comprises the following steps:
and displaying the version information and the upgrading directory through the handheld terminal, and generating and sending the pre-upgrading information, the initialization information and the upgrading instruction through the key-in operation of the handheld terminal.
Preferably, after the step of sending the directory to be upgraded to the handheld terminal, the method further includes:
and carrying out safety certification processing on the handheld terminal, and switching to the program upgrading mode after the safety certification is passed.
Preferably, the step of performing the security authentication process with the handheld terminal includes:
and sending random data generated according to a set algorithm to the handheld terminal to obtain authentication data generated by the handheld terminal according to the random number and the set algorithm, and if the random data and the authentication data accord with a set rule, judging that the safety authentication is passed.
Preferably, the upgrade data comprises a plurality of upgrade packages; the initialization information comprises packet number data and address data;
in the step of upgrading the firmware according to the initialization information and the upgrade data sent by the handheld terminal, the method includes:
and determining the write-in address of each upgrade package according to the address data, determining the write-in sequence of each upgrade package according to the package number data, and sequentially writing each upgrade package according to the write-in address and the write-in sequence.
Preferably, the wireless upgrading method for the access control card reader further comprises the following steps:
and unpacking the upgrading data through the handheld terminal so as to split the upgrading data into a plurality of upgrading packets.
Preferably, the wireless upgrading method for the access control card reader further comprises the following steps:
and if the firmware is failed to be upgraded, sending failure information to the handheld terminal so as to select to upgrade again or restore the firmware according to an operation instruction fed back by the handheld terminal.
Preferably, the wireless upgrading method for the access control card reader further comprises the following steps:
if the firmware is disconnected with the handheld terminal in the firmware upgrading process, circularly sending a card searching instruction to be reconnected with the handheld terminal;
and after the mobile terminal is reconnected with the handheld terminal, sending the current upgrading position information to the handheld terminal so as to continue firmware upgrading from the interrupt position.
The invention also constructs a wireless upgrading device of the access control card reader, which comprises a handheld terminal and the access control card reader;
the handheld terminal is wirelessly connected with the entrance guard card reader;
the access control card reader is used for sending version information to the handheld terminal so as to obtain pre-upgrading information fed back by the handheld terminal; determining a directory to be upgraded according to the pre-upgrading information, and switching to a program upgrading mode after the directory to be upgraded is sent to the handheld terminal; then, sending an initialization instruction to the handheld terminal to acquire initialization information fed back by the handheld terminal; and after an upgrading instruction sent by the handheld terminal is obtained, upgrading the firmware according to the initialization information and upgrading data sent by the handheld terminal.
According to the technical scheme, the wireless connection is established between the access control card reader and the handheld terminal; then, the access control card reader sends the version information of the access control card reader to the handheld terminal to obtain the upgrade information fed back by the handheld terminal, so that the directory to be upgraded is determined, and after the directory to be upgraded is sent to the handheld terminal, the access control card reader is switched to a program upgrade mode to prepare for firmware upgrade; then, sending an initialization instruction to the handheld terminal to acquire initialization information; finally, after an upgrading instruction sent by the handheld terminal is obtained, firmware upgrading is carried out according to the initialization information and upgrading data sent by the handheld terminal; the method and the device can wirelessly upgrade the firmware of the access control card reader through the handheld terminal, improve the safety performance of the access control card reader, and have the advantages of strong operability and convenient operation.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
fig. 1 is a flow structure diagram of a method for wirelessly upgrading a door access card reader in some embodiments of the present invention;
fig. 2 is a schematic structural diagram of a wireless upgrading device of an access control card reader in some embodiments of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
It should be noted that the flow charts shown in the drawings are only exemplary and do not necessarily include all the contents and operations/steps, nor do they necessarily have to be executed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
Referring to fig. 1, a flow structure diagram of a wireless upgrade method for an access control card reader according to some embodiments of the present invention is shown, where the wireless upgrade method for an access control card reader is applied to a control module of the access control card reader. The wireless upgrading method of the entrance guard card reader comprises the steps of S1, S2, S3, S4 and S5.
The step S1 comprises the following steps: establishing wireless connection with a handheld terminal;
the step S2 comprises the following steps: sending version information to the handheld terminal to acquire pre-upgrading information fed back by the handheld terminal;
the step S3 comprises the following steps: determining a directory to be upgraded according to the pre-upgrading information, and switching to a program upgrading mode after the directory to be upgraded is sent to the handheld terminal;
the step S4 comprises the following steps: sending an initialization instruction to the handheld terminal to obtain initialization information fed back by the handheld terminal;
the step S5 comprises the following steps: and after an upgrading instruction sent by the handheld terminal is obtained, upgrading the firmware according to the initialization information and upgrading data sent by the handheld terminal.
The version information includes the current firmware version of each application in the access card reader.
The pre-upgrade information is used for determining the type and the corresponding version of the application to be upgraded of the entrance guard card reader. The user can display the current firmware version of each application program through the handheld terminal, and after the current firmware version is determined, the user can select the type and the corresponding version of the application to be upgraded by operating the handheld terminal according to the version and the hardware performance (such as the size of a memory, the configuration condition of peripheral equipment and the like) of the access control card reader, so that the pre-upgrade information is generated.
The directory to be upgraded contains the physical address information of the application to be upgraded. After receiving the pre-upgrade information, the entrance guard card reader determines the type of the application to be upgraded, thereby determining the physical address of the old version application program corresponding to the application program to be upgraded and further generating a directory to be upgraded.
The initialization instruction is used for requesting to acquire initialization information sent by the handheld terminal. Only under the working condition of a program upgrade mode (IAP upgrade mode), the entrance guard card reader can perform the operation of erasing and writing in the internal storage space (the internal storage space refers to a nonvolatile memory in a singlechip or a microprocessor) of the control module at the same time, so that the entrance guard card reader can send an initialization instruction to the handheld terminal after the entrance guard card reader is ready to enter the program upgrade mode.
The initialization information is used for determining the sequence and the physical address of writing the program data of the application to be upgraded into the internal storage space. After receiving the catalog to be upgraded, the handheld terminal can determine the physical address of the old version application corresponding to the application to be upgraded, and can replace the data of the old version application with the data of the application to be upgraded under the general condition; however, in some embodiments, the data capacity of the version to be upgraded and the data capacity of the corresponding old version are different, which results in that the version cannot be directly replaced, so that the user can operate the handheld terminal to select the writing sequence, the physical address and the like of the version to be upgraded according to actual conditions, for example, part of data is written into the remaining memory blocks of the internal storage space, and thus, the internal storage space in the access card reader can be used more reasonably.
The upgrading instruction is a starting instruction for the entrance guard card reader to start writing upgrading data.
In the embodiment, firstly, the entrance guard card reader is wirelessly connected with the handheld terminal; then, the access control card reader sends version information of the access control card reader to the handheld terminal; the method comprises the steps that after the handheld terminal receives version information, the current firmware version of the entrance guard card reader is displayed, the handheld terminal selects the version of an application to be upgraded according to the operation of a user (the user can prestore a plurality of application program versions to the handheld terminal) so as to generate pre-upgrading information; the access control card reader acquires pre-upgrading information to determine a directory to be upgraded, and after the directory to be upgraded is sent to the handheld terminal, the access control card reader is switched to a program upgrading mode to prepare for firmware upgrading; then, the entrance guard card reader sends an initialization instruction to the handheld terminal, and after the handheld terminal obtains the initialization instruction, initialization information is generated according to the operation of a user and sent to the entrance guard card reader; and finally, the user can send an upgrading instruction to the entrance guard card reader by operating the handheld terminal, and after the entrance guard card reader obtains the upgrading instruction, firmware upgrading is carried out according to the initialization information and upgrading data sent by the handheld terminal.
In a preferred embodiment, the entrance guard card reader can be wirelessly connected with the handheld terminal by the following means: the method comprises the steps that the handheld terminal is set to be in a card simulation mode (HCE mode), then, an entrance guard card reader sends out a card searching command to wait for a response reply fed back by the handheld terminal, and the entrance guard card reader is connected with the handheld terminal after obtaining the response reply. Specifically, the handheld terminal may be a mobile phone or a dedicated upgrade device, for example, the mobile phone switches the mobile phone to a card simulation mode by using an NFC function of the mobile phone, and then implements information interaction with an access card reader according to an ISO7816-3 or ISO1443-4 standard.
Further, in a preferred embodiment, the method for wirelessly upgrading a door access card reader further includes: the version information and the upgrading catalog are displayed through the handheld terminal, and the pre-upgrading information, the initialization information and the upgrading instruction are generated and sent through the key-in operation of the handheld terminal, so that a user can perform custom setting on the upgrading of the entrance guard card reader.
Further, in a preferred embodiment, after the step of sending the directory to be upgraded to the handheld terminal is performed, the method further includes: and carrying out security authentication processing with the handheld terminal, and switching to a program upgrading mode after passing the security authentication.
It can be understood that the security authentication can effectively prevent criminals from illegally invading or illegally modifying the application program of the entrance guard card reader, thereby improving the security of the entrance guard card reader.
In one embodiment, the security authentication may be performed with the handheld terminal by: and sending random data generated according to a set algorithm to the handheld terminal to obtain authentication data generated by the handheld terminal according to the random number and the set algorithm, and judging that the safety authentication is passed if the random data and the authentication data accord with a set rule.
Specifically, the setting algorithm may be an existing encryption algorithm such as 3DES, diffie-Hellman, or the like. In this embodiment, the setting algorithm is a 3DES algorithm, and therefore when the random data and the authentication data are identical, it is determined that the random data and the authentication data conform to the setting rule.
Further, in a preferred embodiment, the upgrade data includes a number of upgrade packages. The initialization information includes packet number data and address data. The package number data comprises package numbers which correspond to the upgrade packages one by one; the address data includes a physical write address of each upgrade package.
In one embodiment, the firmware upgrade may be performed by: and determining the write-in address of each upgrade package according to the address data, determining the write-in sequence of each upgrade package according to the package number data, and sequentially writing each upgrade package according to the write-in address and the write-in sequence.
Specifically, the entrance guard card reader determines a write address (namely a physical write address) of the upgrade package according to the address data, and determines a write sequence of the upgrade package according to the package number data (for example, writing from small to large according to the package number); then, sending the first package number written in the upgrade package to the sending handheld terminal, and erasing a storage space with a set length (consistent with the length of the upgrade package) based on the write address of the upgrade package so as to write in the upgrade package data to be received; after the upgrade package is received, sending a package number request of a next upgrade package to the handheld terminal to prepare for writing the next upgrade package; and sequentially circulating until all the upgrade packages are written.
Further, in a preferred embodiment, the method for wirelessly upgrading the access control card reader further includes: and unpacking the upgrading data through the handheld terminal so as to split the upgrading data into a plurality of upgrading packets.
In one embodiment, the unpacking process may be implemented as follows: the upgrade data is split according to the set length to obtain a plurality of upgrade packages, the length (or the capacity) of each upgrade package is basically consistent, and the length of the upgrade package split to the last is the actual length (not larger than the set length) of the residual data, so that the error probability in the transmission process of the upgrade data can be reduced. Further, the user can set the set length by operating the handheld terminal.
Further, in a preferred embodiment, after all the upgrade packages are written, the method further includes: switching to an upgraded mode, sending an upgrade ending instruction to the handheld terminal, and then running the upgraded application program; if the operation is normal, switching to a normal working mode; if the operation is abnormal, the firmware upgrading is judged to be failed.
Further, in a preferred embodiment, the initialization information further includes upgrade data capacity. Upgrade data capacity refers to the size of the capacity occupied by the upgrade data. Correspondingly, the wireless upgrading method of the access control card reader further comprises the following steps: and if the upgrade data capacity is inconsistent with the actual capacity written in by the upgrade data, judging that the firmware upgrade fails.
Further, in a preferred embodiment, the method for wirelessly upgrading the access control card reader further includes: and if the firmware is failed to be upgraded, sending failure information to the handheld terminal so as to select to upgrade again or restore the firmware according to an operation instruction fed back by the handheld terminal.
Specifically, the user can return to any one of the steps S1 to S5 through the handheld terminal selection to upgrade the firmware again; or, the entrance guard card reader is switched to the recovery mode, so as to write the original firmware program stored in a memory chip (such as FLSAH or ROM) in the entrance guard card reader into the internal memory space.
Further, in a preferred embodiment, the method for wirelessly upgrading the access control card reader further includes: if the firmware is disconnected with the handheld terminal in the firmware upgrading process, circularly sending a card searching instruction to be reconnected with the handheld terminal; and after the mobile terminal is reconnected with the handheld terminal, sending the current upgrading position information to the handheld terminal so as to continue firmware upgrading from the interrupt position. The current upgrade position information may be a package number of an upgrade package being transmitted when the access control card reader is disconnected from the handheld terminal.
Referring to fig. 2, a schematic structural diagram of a wireless upgrade device for an access control card reader in some embodiments of the present invention is shown, where the wireless upgrade device for an access control card reader includes a handheld terminal and an access control card reader.
The handheld terminal is wirelessly connected with the entrance guard card reader. The access control card reader is used for sending version information to the handheld terminal so as to obtain pre-upgrading information fed back by the handheld terminal; determining a directory to be upgraded according to the pre-upgrading information, and switching to a program upgrading mode after the directory to be upgraded is sent to the handheld terminal; then, sending an initialization instruction to the handheld terminal to acquire initialization information fed back by the handheld terminal; and after an upgrading instruction sent by the handheld terminal is obtained, upgrading the firmware according to the initialization information and upgrading data sent by the handheld terminal.
According to the technical scheme, the wireless connection is established between the access control card reader and the handheld terminal; then, the access control card reader sends the version information of the access control card reader to the handheld terminal to obtain the upgrade information fed back by the handheld terminal, so that the directory to be upgraded is determined, and after the directory to be upgraded is sent to the handheld terminal, the access control card reader is switched to a program upgrade mode to prepare for firmware upgrade; then, sending an initialization instruction to the handheld terminal to acquire initialization information; finally, after an upgrading instruction sent by the handheld terminal is obtained, firmware upgrading is carried out according to the initialization information and upgrading data sent by the handheld terminal; the method and the device can wirelessly upgrade the firmware of the access control card reader through the handheld terminal, improve the safety performance of the access control card reader, and have the advantages of strong operability and convenient operation.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
It is to be understood that the foregoing examples, while indicating the preferred embodiments of the invention, are given by way of illustration and description, and are not to be construed as limiting the scope of the invention; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (10)
1. A wireless upgrading method for an access control card reader is characterized by comprising the following steps:
establishing wireless connection with a handheld terminal;
sending version information to the handheld terminal to acquire pre-upgrading information fed back by the handheld terminal;
determining a directory to be upgraded according to the pre-upgrading information, and switching to a program upgrading mode after the directory to be upgraded is sent to the handheld terminal;
then, sending an initialization instruction to the handheld terminal to acquire initialization information fed back by the handheld terminal;
and after an upgrading instruction sent by the handheld terminal is obtained, upgrading the firmware according to the initialization information and upgrading data sent by the handheld terminal.
2. The wireless upgrading method of the entrance guard card reader according to claim 1, characterized in that before the step of establishing wireless connection with the handheld terminal, the method further comprises:
and setting the handheld terminal to be in a card simulation mode.
3. The wireless upgrading method of the entrance guard card reader according to claim 1, further comprising:
and displaying the version information and the upgrading directory through the handheld terminal, and generating and sending the pre-upgrading information, the initialization information and the upgrading instruction through the key-in operation of the handheld terminal.
4. The wireless upgrading method for the entrance guard card reader according to claim 1, characterized in that after the step of sending the catalog to be upgraded to the handheld terminal, the method further comprises the following steps:
and carrying out safety certification processing on the handheld terminal, and switching to the program upgrading mode after the safety certification is passed.
5. The wireless upgrading method for the entrance guard card reader according to claim 4, wherein in the step of performing security authentication processing with the handheld terminal, the method comprises the following steps:
and sending random data generated according to a set algorithm to the handheld terminal to obtain authentication data generated by the handheld terminal according to the random number and the set algorithm, and if the random data and the authentication data accord with a set rule, judging that the safety authentication is passed.
6. The wireless upgrading method of the entrance guard card reader according to claim 1, wherein the upgrading data comprises a plurality of upgrading packets; the initialization information comprises packet number data and address data;
in the step of upgrading the firmware according to the initialization information and the upgrade data sent by the handheld terminal, the method includes:
and determining the write-in address of each upgrade package according to the address data, determining the write-in sequence of each upgrade package according to the package number data, and sequentially writing each upgrade package according to the write-in address and the write-in sequence.
7. The wireless upgrading method of the entrance guard card reader according to claim 1, further comprising:
and unpacking the upgrading data through the handheld terminal so as to split the upgrading data into a plurality of upgrading packets.
8. The wireless upgrading method of the entrance guard card reader according to claim 1, further comprising:
and if the firmware is failed to be upgraded, sending failure information to the handheld terminal so as to select to upgrade again or restore the firmware according to an operation instruction fed back by the handheld terminal.
9. The wireless upgrading method for the entrance guard card reader according to any one of claims 1 to 8, further comprising:
if the firmware is disconnected with the handheld terminal in the firmware upgrading process, circularly sending a card searching instruction to be reconnected with the handheld terminal;
and after the mobile terminal is reconnected with the handheld terminal, sending the current upgrading position information to the handheld terminal so as to continue firmware upgrading from the interrupt position.
10. A wireless upgrading device for an access control card reader is characterized by comprising a handheld terminal and the access control card reader;
the handheld terminal is wirelessly connected with the entrance guard card reader;
the access control card reader is used for sending version information to the handheld terminal so as to obtain pre-upgrading information fed back by the handheld terminal; determining a directory to be upgraded according to the pre-upgrading information, and switching to a program upgrading mode after the directory to be upgraded is sent to the handheld terminal; then, sending an initialization instruction to the handheld terminal to acquire initialization information fed back by the handheld terminal; and after an upgrading instruction sent by the handheld terminal is obtained, upgrading the firmware according to the initialization information and upgrading data sent by the handheld terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211645825.XA CN115951913A (en) | 2022-12-20 | 2022-12-20 | Wireless upgrading method and device for entrance guard card reader |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211645825.XA CN115951913A (en) | 2022-12-20 | 2022-12-20 | Wireless upgrading method and device for entrance guard card reader |
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| CN115951913A true CN115951913A (en) | 2023-04-11 |
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| CN202211645825.XA Pending CN115951913A (en) | 2022-12-20 | 2022-12-20 | Wireless upgrading method and device for entrance guard card reader |
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