CN115525876A - Control method and device for intelligent panel and intelligent panel - Google Patents
Control method and device for intelligent panel and intelligent panel Download PDFInfo
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- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
- G06F21/12—Protecting executable software
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- G06F21/123—Restricting unauthorised execution of programs by using dedicated hardware, e.g. dongles, smart cards, cryptographic processors, global positioning systems [GPS] devices
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- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
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Abstract
The application relates to the technical field of intelligent control, and discloses a control method for an intelligent panel, which is applied to an encryption chip, wherein the encryption chip is in communication connection with a main control chip; and controlling the watchdog monitoring mode to start in response to the authorization request. The method can improve the running stability of the intelligent panel. The application also discloses a controlling means and intelligent panel for intelligent panel.
Description
Technical Field
The present application relates to the field of intelligent control technologies, and for example, to a control method and apparatus for an intelligent panel, and an intelligent panel.
Background
At present, an intelligent panel is an intelligent central control system installed on an indoor wall, and generally comprises a display screen, a central control circuit board and a power supply box. The intelligent panel is connected with the internet through WIFI and is in communication connection with the intelligent household appliance through Zigbee and Bluetooth. Therefore, interconnection and intercommunication of the intelligent household electrical appliance are achieved, and a user can intelligently control the intelligent household electrical appliance through the intelligent panel. Because the intelligent panel belongs to the control equipment which is used for connecting the user with the intelligent household electrical appliance and the intelligent household electrical appliance, the running stability of the intelligent panel is very important. For example, the intelligent panel can recover normally when the main control system crashes, and the security of data transmission, etc.
In view of the above problems, the related art provides a chip with encryption and data storage functions, which includes a main control chip, namely, a clock module respectively connected to the main control chip for providing an external clock source for the main control chip, a display module for displaying a state value and a set value, a key, a power supply, a waveform output module, an amplitude control module for controlling the magnitude of an output amplitude, a voltage and current acquisition module and an alarm module, wherein the output amplitude control module is further connected to the voltage and current acquisition module, and the chip further includes an encryption module respectively connected to the main control chip for checking a password and recording prescription data, a prescription data loading module and a watchdog module.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
the encryption module that the correlation technique adopted possesses the function of data encryption and data decryption, when the firmware of major control system is incorrect or unauthorized, the major control system exists and is burnt under the condition of other firmware, influences the stability of intelligent panel operation.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended to be a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a control method and device for an intelligent panel and the intelligent panel, so as to improve the running stability of the intelligent panel.
In some embodiments, the method is applied to an encryption chip, the encryption chip is in communication connection with a main control chip, and the method includes receiving an authorization request sent by the main control chip under the condition that the intelligent panel is determined to be powered on or restarted; and controlling a watchdog monitoring mode to start in response to the authorization request.
In some embodiments, the intelligent panel comprises a main control chip, configured to generate an authorization request and send the authorization request to an encryption chip when the intelligent panel is powered on or restarted, and send a dog feeding signal to the encryption chip after receiving an authorization response, and perform a data protection function or reset according to a receiving condition of the dog feeding signal; the encryption chip is configured to respond to the authorization request when the authorization request is received within a preset time period under the condition that the intelligent panel is determined to be powered on or restarted, send an authorization response to the main control chip to successfully handshake with the main control chip, and send a failure response to the main control chip to output a reset signal after the failure response is sent under the condition that the authorization request is not received within the preset time period or the authorization request is not matched with the preset request so as to control the main control chip to reset.
In some embodiments, the apparatus comprises a processor and a memory storing program instructions, wherein the processor is configured to execute the control method for the smart panel as described above when executing the program instructions.
In some embodiments, the smart panel is characterized by comprising a control device for the smart panel as described above.
The control method and device for the intelligent panel and the intelligent panel provided by the embodiment of the disclosure can achieve the following technical effects:
when the encryption chip determines that the intelligent panel is powered on or restarted, the encryption chip receives an authorization request sent by the main control chip and responds to the request to start a watchdog monitoring mode. On the basis of enabling the encryption chip to have the function of data encryption/data decryption, the intelligent panel can also have the function of a watchdog after being authorized by the main control chip, so that the main control system of the intelligent panel cannot be used when not authorized, and the running stability of the intelligent panel is improved.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
FIG. 1 is a system diagram of an intelligent panel provided by embodiments of the present disclosure;
FIG. 2 is a system diagram of another smart panel provided by embodiments of the present disclosure;
FIG. 3 is a schematic diagram of a control method for a smart panel according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of another control method for a smart panel provided by an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of another control method for a smart panel provided by an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of another control method for a smart panel provided by an embodiment of the present disclosure;
fig. 7 is a schematic diagram of a control device for an intelligent panel according to an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and claims of the embodiments of the disclosure and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
The term "correspond" may refer to an association or binding relationship, and a corresponding to B refers to an association or binding relationship between a and B.
The embodiment of the disclosure provides an intelligent panel, which comprises a main control chip, a power management chip, a communication module, an encryption chip, a display module, a storage module, an interface and a sensor module. The power management chip, the communication module, the encryption chip, the display module, the storage module and the interface and sensor module are all electrically connected with the main control chip. Wherein, the encryption chip can be a singlechip.
Based on the above intelligent panel, with reference to fig. 3, an embodiment of the present disclosure provides a control method for an intelligent panel, which is applied to an encryption chip, where the encryption chip is in communication connection with a main control chip. The method comprises the following steps:
and S01, the encryption chip receives an authorization request sent by the main control chip under the condition of determining that the intelligent panel is powered on or restarted.
In this step, when the encryption chip determines that the intelligent panel is powered on or restarted, the encryption chip and the main control chip are started synchronously. At this time, the main control chip may send an authorization request to the encryption chip.
And S02, the encryption chip responds to the authorization request and controls the watchdog monitoring mode to start.
In this step, the encryption chip includes a single chip microcomputer. The single chip is predefined with the legal data. After the encryption chip receives the authorization request. Meanwhile, the encryption chip responds to the authorization request and starts a watchdog monitoring mode.
By adopting the control method for the intelligent panel provided by the embodiment of the disclosure, when the encryption chip determines that the intelligent panel is powered on or restarted, the encryption chip receives the authorization request sent by the main control chip and responds to the request to start the watchdog monitoring mode. On the basis of enabling the encryption chip to have the function of data encryption/data decryption, the intelligent panel can also have the watchdog function after obtaining the authorization of the main control chip, so that the main control system of the intelligent panel cannot be used when not authorized, and the running stability of the intelligent panel is improved. Meanwhile, the embodiment of the disclosure realizes the function multiplexing of the encryption chip, and does not need to configure a watchdog hardware module, thereby saving the hardware cost.
Optionally, as shown in fig. 4, the authorization request carries request data. The request data may be a fixed character or legal data predefined by the encryption chip. For example, the legal data is preset product identity information.
The encrypted chip responds to the authorization request and controls the starting of the watchdog monitoring mode, and the method comprises the following steps:
and S11, the encryption chip sends an authorization response to the main control chip to successfully handshake with the main control chip under the condition that the encryption chip receives an authorization request in a preset time period and verification data in the request data is matched with preset verification data.
In the step, the encryption chip receives the authorization request in a preset time period, and correspondingly generates an authorization response and sends the authorization response to the main control chip to realize handshaking with the main control chip.
And S12, under the condition that the encryption chip does not receive the authorization request within the preset time period or the verification data in the request data is not matched with the preset verification data, sending a failure response to the main control chip to prompt the main control chip that the authorization fails.
Therefore, if the encryption chip does not receive the authorization request within the preset time period or the verification data in the request data is not matched with the preset verification data, the verification data provided by the main control chip in the authorization stage is incorrect, and the authorization is not passed. And sending a failure response to the main control chip to prompt the main control chip of authorization failure. And if the verification data in the request data carried by the authorization request is consistent with the preset verification data, the authorization is passed. And correspondingly generating an authorization response and sending the authorization response to the main control chip so as to realize handshaking with the main control chip.
With reference to fig. 5, an embodiment of the present disclosure further provides a control method for an intelligent panel, where the control method is applied to an encryption chip, and the encryption chip is in communication connection with a main control chip. The method comprises the following steps:
and S21, the encryption chip receives an authorization request sent by the main control chip under the condition that the intelligent panel is powered on or restarted.
And S22, the encryption chip sends an authorization response to the main control chip to successfully handshake with the main control chip under the condition that the encryption chip receives the authorization request in a preset time period and the verification data in the request data is matched with the preset verification data.
And S23, the encryption chip receives the dog feeding signal sent by the main control chip to the encryption chip.
In this step, after the main control chip and the encryption chip are successfully handshake, the main control chip operates normally. The main control chip can send the dog feeding signal to the encryption chip at regular time.
And S24, under the condition that the cipher chip receives the effective dog feeding signal in the preset period, the cipher chip receives the key request sent by the main control chip and then sends the key information to the main control chip, so that the main control chip executes the data protection function according to the key information, and the key information is generated when the cipher chip receives the key request.
In this step, the preset period may be a multiple of the transmission period of the dog feeding signal. For example, the preset period is three times or four times the feeding dog signal transmission period. The embodiments of the present disclosure may not specifically limit this. And when the encryption chip receives the effective dog feeding signal in the preset period, the master control chip is indicated to operate without abnormity. If the main control chip sends the key request to the encryption chip, the encryption chip sends the key information to the main control chip so as to enable the main control chip to execute data protection.
And S25, under the condition that the encryption chip does not receive the dog feeding signal in the preset period, outputting a reset signal to control the main control chip to reset and control the watchdog mode to be switched off.
In the step, the encryption chip does not receive the dog feeding signal in the preset period, which indicates that the main control chip is abnormal in operation. The encryption chip outputs a reset signal to reset the main control chip and turn off the watchdog mode.
And S26, under the condition that the encryption chip does not receive the authorization request within a preset time period or the verification data in the request data is not matched with the preset verification data, sending a failure response to the main control chip to prompt the main control chip of authorization failure.
By adopting the control method for the intelligent panel provided by the embodiment of the disclosure, the encryption chip can judge whether the operation stage of the main control chip is abnormal according to whether the dog feeding signal is received in the preset period and whether the received dog feeding signal is effective, and outputs the reset signal to the main control chip when the main control chip is determined to be abnormal so as to control the main control chip to reset. And sending the key information according to the key request when the main control chip is determined to normally run so as to ensure that the main control chip realizes data protection. Therefore, the method can effectively improve the running stability of the intelligent panel.
As shown in fig. 6, an embodiment of the present disclosure further provides a control method for an intelligent panel, which is applied to an encryption chip, where the encryption chip is in communication connection with a main control chip. The method comprises the following steps:
and S31, the encryption chip receives an authorization request sent by the main control chip under the condition of determining that the intelligent panel is powered on or restarted.
And S32, the encryption chip sends an authorization response to the main control chip to successfully handshake with the main control chip under the condition that the encryption chip receives the authorization request in a preset time period and the verification data in the request data is matched with the preset verification data.
And S33, under the condition that the encryption chip does not receive the authorization request within the preset time period or the verification data in the request data is not matched with the preset verification data, sending a failure response to the main control chip to prompt the main control chip that the authorization fails.
And S34, the encryption chip outputs a reset signal to control the main control chip to reset.
By adopting the control method for the intelligent panel provided by the embodiment of the disclosure, the method ensures that the main control system of the intelligent panel cannot be used when the main control system is not authorized, thereby improving the running stability of the intelligent panel.
Optionally, the outputting, by the encryption chip, the reset signal to control the reset of the main control chip includes:
the encryption chip sends a reset signal to the power management chip to interrupt the power supply of the main control chip.
Therefore, the encryption chip can interrupt the power supply of the main control chip by sending the reset signal to the power management chip, so that the power of the main control chip is cut off.
Specifically, the power management chip has a RESET pin. The encryption chip is provided with GPIO pins. The GPIO pin is connected with a RESET pin of the power management chip. The encryption chip can send a reset signal to the power management chip through the GPIO pin so as to interrupt the power supply of the main control chip.
The embodiment of the disclosure further provides an intelligent panel, which comprises a main control chip and an encryption chip. The main control chip is configured to generate an authorization request and send the authorization request to the encryption chip when the intelligent panel is powered on or restarted, send a dog feeding signal to the encryption chip after receiving an authorization response, and perform a data protection function or reset according to the receiving condition of the dog feeding signal. The encryption chip is configured to respond to the authorization request when the intelligent panel is powered on or restarted and receives the authorization request within a preset time period, send an authorization response to the main control chip to successfully handshake with the main control chip, and send a failure response to the main control chip and then output a reset signal to control the main control chip to reset when the authorization request is not received within the preset time period or is not matched with the preset request.
By adopting the intelligent panel provided by the embodiment of the disclosure, when the encryption chip determines that the intelligent panel is powered on or restarted, the encryption chip receives the authorization request sent by the main control chip and responds to the request to start the watchdog monitoring mode. On the basis of enabling the encryption chip to have the function of data encryption/data decryption, the intelligent panel can also have the watchdog function after obtaining the authorization of the main control chip, so that the main control system of the intelligent panel cannot be used when not authorized, and the running stability of the intelligent panel is improved.
Optionally, the smart panel further comprises a first UART universal serial data bus. The first UART universal serial data bus is configured to connect the main control chip and the encryption chip and is used for transmitting an authorization request, an authorization response and a dog feeding signal.
In practical application, as shown in fig. 1, when the intelligent panel is configured with the first UART universal serial data bus, the encryption chip is composed of a single chip microcomputer and a peripheral circuit. The single chip microcomputer is provided with an independent storage unit and is provided with at least one group of UART data communication interfaces and at least one group of GPIO interfaces. The power management chip is used for supplying power to the main control chip. After the power management chip receives the reset signal, the power management chip is in a reset state, so that the power supply of the main control chip can be interrupted. Thus, when the intelligent panel is configured with the first UART universal serial data bus. The UART communication between the main control chip and the encryption chip can be realized. The data may be an authorization request, an authorization response, and a dog feed signal. It will be appreciated that the data may also be key requests and key information.
Optionally, the intelligent panel further comprises a second UART general-purpose serial data bus and a GPIO general-purpose input-output bus. The second UART universal serial data bus is configured to be connected with the main control chip and the encryption chip and used for transmitting the authorization request and the authorization response, and the GPIO universal input/output bus is configured to be connected with the main control chip and the encryption chip and used for transmitting the dog feeding signal.
In practical application, as shown in fig. 2, when the second UART general-purpose serial data bus and the GPIO general-purpose input/output bus are configured on the smart panel, the encryption chip is composed of a single chip microcomputer and a peripheral circuit. The single chip microcomputer is provided with an independent storage unit and is provided with at least one group of UART data communication interfaces and at least two groups of GPIO interfaces. Specifically, the group of GPIO interfaces and the GPIO interface of the main control chip realize the transmission of the dog feeding signal. And the other group of GPIO interfaces can be used for outputting a reset signal to the power management chip so as to interrupt the power supply of the main control chip. The grant request and the grant response may be transmitted via the second UART universal serial data bus. And transmitting a dog feeding signal through a GPIO general input/output bus.
Optionally, the main control chip is electrically connected to the power management chip. The encryption chip is configured with a GPIO interface, the encryption chip further configured to: and under the condition that the authorization request is not received within a preset time period or the authorization request is not matched with the preset request, sending a reset signal to the power management chip through the GPIO interface so as to interrupt the power supply of the main control chip. Therefore, the interruption of the main control chip can be realized through the GPIO interface.
As shown in fig. 7, an embodiment of the present disclosure provides a control apparatus for a smart panel, which includes a processor (processor) 100 and a memory (memory) 101. Optionally, the apparatus may also include a Communication Interface (Communication Interface) 102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via a bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call logic instructions in the memory 101 to perform the control method for the smart panel of the above-described embodiment.
In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 101, which is a computer-readable storage medium, may be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, that is, implements the control method for the smart panel in the above-described embodiment.
The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, memory 101 may include high speed random access memory and may also include non-volatile memory.
The embodiment of the disclosure provides a control panel, which comprises the control device for the intelligent panel.
The disclosed embodiments provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described control method for an intelligent panel.
The disclosed embodiments provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the above-described control method for a smart panel.
The computer readable storage medium described above may be a transitory computer readable storage medium or a non-transitory computer readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a portable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising a" \8230; "does not exclude the presence of additional like elements in a process, method or apparatus comprising the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the 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 disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and simplicity of description, the specific working processes of the above-described systems, apparatuses, and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be only one type of logical functional division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (10)
1. A control method for an intelligent panel is applied to an encryption chip, wherein the encryption chip is in communication connection with a main control chip, and the method comprises the following steps:
receiving an authorization request sent by the main control chip under the condition that the intelligent panel is powered on or restarted;
and controlling the watchdog monitoring mode to start in response to the authorization request.
2. The method of claim 1, wherein the authorization request carries request data, and wherein the controlling the watchdog monitoring mode to start in response to the authorization request comprises:
sending an authorization response to the main control chip to successfully handshake with the main control chip under the condition that the authorization request is received within a preset time period and the verification data in the request data is matched with preset verification data;
and under the condition that an authorization request is not received within a preset time period or the verification data in the request data is not matched with the preset verification data, sending a failure response to the main control chip to prompt the main control chip of authorization failure.
3. The control method according to claim 2, wherein after sending the authorization response to the main control chip, the method further comprises:
receiving a dog feeding signal sent by the main control chip to the encryption chip;
under the condition that the dog feeding signal is received in a preset period to be effective, a key request sent by the main control chip is received, and then key information is sent to the main control chip, so that the main control chip executes a data protection function according to the key information, and the key information is generated when the encryption chip receives the key request;
and under the condition that the dog feeding signal is not received in the preset period, outputting a reset signal to control the main control chip to reset and control the watchdog mode to be switched off.
4. The control method according to claim 2, wherein after sending the failure response to the main control chip, the method further comprises:
and outputting a reset signal to control the main control chip to reset.
5. The control method according to claim 3 or 4, wherein the main control chip is electrically connected to a power management chip, and the outputting the reset signal to control the main control chip to reset comprises:
and sending the reset signal to the power management chip to interrupt the power supply of the main control chip.
6. A smart panel, comprising:
the main control chip is configured to generate an authorization request and send the authorization request to the encryption chip when the intelligent panel is powered on or restarted, send a dog feeding signal to the encryption chip after receiving an authorization response, and perform a data protection function or reset according to the receiving condition of the dog feeding signal;
the encryption chip is configured to respond to the authorization request when the intelligent panel is determined to be powered on or restarted and the authorization request is received within a preset time period, send an authorization response to the main control chip to successfully handshake with the main control chip, and send a failure response to the main control chip and then output a reset signal to control the main control chip to reset when the authorization request is not received within the preset time period or the authorization request is not matched with the preset request.
7. The smart panel of claim 6, further comprising:
the first UART universal serial data bus is configured to be connected with the main control chip and the encryption chip and used for transmitting the authorization request, the authorization response and the dog feeding signal; or the like, or, alternatively,
the second UART universal serial data bus is configured to be connected with the main control chip and the encryption chip and used for transmitting the authorization request and the authorization response; and the GPIO general input/output bus is configured to be connected with the main control chip and the encryption chip and used for transmitting the dog feeding signal.
8. The smart panel of claim 6, wherein the master control chip is electrically connected to a power management chip, wherein the encryption chip is configured with a GPIO interface, and wherein the encryption chip is further configured to:
and under the condition that the authorization request is not received within the preset time period or the authorization request is not matched with the preset request, the reset signal is sent to the power management chip through the GPIO interface so as to interrupt the power supply of the main control chip.
9. A control device for a smart panel comprising a processor and a memory storing program instructions, characterized in that the processor is configured to execute the control method for a smart panel according to any one of claims 1 to 5 when executing the program instructions.
10. A smart panel comprising a control device for a smart panel as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210530329.3A CN115525876A (en) | 2022-05-16 | 2022-05-16 | Control method and device for intelligent panel and intelligent panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210530329.3A CN115525876A (en) | 2022-05-16 | 2022-05-16 | Control method and device for intelligent panel and intelligent panel |
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| CN115525876A true CN115525876A (en) | 2022-12-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116520138A (en) * | 2023-06-27 | 2023-08-01 | 苏州联芸科技有限公司 | Chip testing method, system and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116520138A (en) * | 2023-06-27 | 2023-08-01 | 苏州联芸科技有限公司 | Chip testing method, system and device |
| CN116520138B (en) * | 2023-06-27 | 2023-09-22 | 苏州联芸科技有限公司 | Chip testing method, system and device |
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