CN114613117A - Remote control method for copying remote controller, copying remote controller and storage medium - Google Patents
Remote control method for copying remote controller, copying remote controller and storage medium Download PDFInfo
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- CN114613117A CN114613117A CN202210257188.2A CN202210257188A CN114613117A CN 114613117 A CN114613117 A CN 114613117A CN 202210257188 A CN202210257188 A CN 202210257188A CN 114613117 A CN114613117 A CN 114613117A
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000004891 communication Methods 0.000 claims abstract description 208
- 230000004044 response Effects 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims description 38
- 238000004590 computer program Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
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- 238000010586 diagram Methods 0.000 description 14
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- 238000013461 design Methods 0.000 description 6
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- 230000009471 action Effects 0.000 description 3
- 238000007405 data analysis Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
- G08C15/02—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C2201/00—Transmission systems of control signals via wireless link
- G08C2201/20—Binding and programming of remote control devices
Abstract
The application relates to a remote control method for copying a remote controller, a copying remote controller and a storage medium. The method comprises the following steps: determining a target communication frequency from a plurality of communication frequencies; the target communication frequency is a communication frequency supported by target equipment corresponding to the remote controller to be copied; generating a control signal based on the parsed remote control data in response to a control operation on the target device; the analyzed remote control data is obtained by analyzing the remote control data sent by the remote controller to be copied; transmitting the control signal to the target device at the target communication frequency; the control signal is used for instructing the target device to execute corresponding operation. By adopting the method, the target equipment can be normally remotely controlled by the copy remote controller.
Description
Technical Field
The application relates to the technical field of remote control, in particular to a remote control method for copying a remote controller, a copying remote controller and a storage medium.
Background
The mainstream copy remote controller in the current market has a single working frequency point, and a user needs to select the remote controller to be copied to be in correct and consistent radio frequency when purchasing the copy remote controller so as to normally use the remote controller. Once the user does not know what the frequency of the remote controller to be copied is, even if the remote control data is copied successfully, the copy remote controller cannot be used normally. The traditional remote control method for copying the remote controller has the problem that the target equipment cannot be normally controlled remotely.
Disclosure of Invention
In view of the above, it is necessary to provide a remote control method for a copy remote controller, and a storage medium, which enable the copy remote controller to normally control a target device.
A method of remotely controlling a copy of a remote controller, the method comprising:
determining a target communication frequency from a plurality of communication frequencies; the target communication frequency is a communication frequency supported by target equipment corresponding to the remote controller to be copied;
generating a control signal based on the parsed remote control data in response to a control operation on the target device; the analyzed remote control data is obtained by analyzing the remote control data sent by the remote controller to be copied;
transmitting the control signal to the target device at the target communication frequency; the control signal is used for instructing the target device to execute corresponding operation.
A remote controller for copyback comprises a processor, a key detection module and a radio frequency transmission module, wherein the key detection module and the radio frequency transmission module are respectively connected with the processor;
the processor is configured to determine a target communication frequency from a plurality of communication frequencies; the target communication frequency is a communication frequency supported by target equipment corresponding to the remote controller to be copied;
the processor is used for responding to the control operation of the target equipment and generating a control signal based on the analyzed remote control data; the analyzed remote control data is obtained by analyzing the remote control data sent by the remote controller to be copied;
the radio frequency transmitting module is used for transmitting the control signal to the target equipment at the target communication frequency; the control signal is used for instructing the target device to execute corresponding operation.
A copy-on-copy remote controller is used for realizing the steps of the method in the embodiments of the application.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the embodiments of the application.
The remote control method for copying the remote controller, the copying remote controller and the storage medium determine the communication frequency supported by the target equipment from a plurality of communication frequencies, respond to the control operation on the target equipment, generate a control signal based on the analyzed remote control data, and send the control signal to the target equipment at the target communication frequency, so that the target equipment can successfully execute the corresponding operation; the supported communication frequency is wider, the copy remote controller can be normally used without buying the copy remote controller with matched frequency, and the universality and the compatibility are stronger.
Drawings
FIG. 1 is a diagram showing an application environment of a remote control method for copying a remote controller in one embodiment;
FIG. 2 is a flowchart illustrating a remote control method for copying a remote controller according to an embodiment;
FIG. 3 is a diagram showing an application environment of a remote control method for copying a remote controller in another embodiment;
FIG. 4 is a schematic diagram of a software system boot flow in one embodiment;
FIG. 5 is a flow diagram illustrating the start of a program in one embodiment;
FIG. 6 is a flow diagram illustrating operation of a remote control application in one embodiment;
FIG. 7 is a block diagram showing the configuration of a copy remote controller in one embodiment;
FIG. 8 is a circuit diagram of a copy remote control in one embodiment.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without inventive step, are within the scope of the present disclosure.
It should be noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present application are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly, and the connection may be a direct connection or an indirect connection.
In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
In one embodiment, as shown in FIG. 1, an application environment diagram of a remote control method for copying a remote control in one embodiment is provided. Including the remote controller to be copied 110, the copy remote controller 120, and the target device 130. The copying remote controller 120 and the remote controller 110 to be copied are wirelessly connected, specifically by radio frequency. The copy remote controller 120 and the target apparatus 130 are connected by wire or wirelessly. The remote controller to be copied 110 may be an original car remote controller, an original garage door remote controller, or the like. The copy remote controller 120 has a function of copying remote control data. When the remote control data of the remote control 110 to be copied is copied to the copy remote control 120, the copy remote control 120 has the same remote control function as the remote control 110 to be copied. The target device 130 may be any device that the remote control is capable of controlling, such as, but not limited to, a television, a garage door, a vehicle, etc. The remote controller to be copied 110 sends the remote control data to the copy remote controller 120, and the copy remote controller 120 has the remote control function of the remote controller to be copied 110 when receiving the remote control data. When the communication frequency supported by the copy remote controller 120 matches the target communication frequency of the target device 130, the control signal issued to the copy remote controller 120 can cause the target device to perform the corresponding operation.
In one embodiment, as shown in fig. 2, a flow diagram of a remote control method for copying a remote controller in one embodiment is shown. The method is applied to the remote controller copying for explanation, and comprises the following steps:
In particular, the communication frequency may specifically include, but is not limited to, a radio frequency. At least two communication frequencies can be stored in the copy remote controller. The communication frequency of the remote controller to be copied is matched with the target communication frequency supported by the target equipment. In response to a selection operation of a plurality of communication frequencies, a selected communication frequency is acquired for the copy remote controller. When the control signal transmitted at the communication frequency can control the target device, the communication frequency is the target communication frequency.
The design circuit adopted by the copy remote controller supports accurate demodulation of radio frequency signals with carrier frequency of 200 MHz-500 MHz and baud rate of 2 Kbps-10 Kbps. The data analysis of the radio frequency signal can be realized by matching with a timer with a capture function in the processor.
The control operation on the target device can be realized by touching and copying keys on the remote controller. The analyzed remote control data is obtained by analyzing the remote control data sent by the remote controller to be copied. Taking the target device as a garage door as an example, the control signal may specifically be unlocking the garage door, closing the garage door, and the control signal is a signal corresponding to the control operation. For example, if the control operation on the target device is an operation to open a garage door, then the control signal is a signal to open the garage door.
Specifically, the copy remote controller receives remote control data transmitted by the remote controller to be copied in response to the copy operation. And analyzing the remote control data to the copying remote controller to obtain analyzed remote control data. In response to a control operation on the target device, a control signal is generated for the copy remote controller based on the parsed remote control data.
In this embodiment, in a case where the copy remote controller does not support automatic analysis of data of a specific communication frequency, the copy remote controller may receive data based on a selected communication frequency in response to the copy operation, and receive remote control data transmitted by the remote controller to be copied when the selected frequency matches a target communication frequency.
In this embodiment, a communication frequency supported by the target device is determined from a plurality of communication frequencies, and in response to a control operation on the target device, a control signal is generated based on the analyzed remote control data, and the control signal is sent to the target device at the target communication frequency, so that the target device can successfully execute the corresponding operation; the supported communication frequency is wider, the copy remote controller can be normally used without buying the copy remote controller with matched frequency, and the universality and the compatibility are stronger.
In one embodiment, determining a target communication frequency from a plurality of communication frequencies comprises: responding to the selection operation of various communication frequencies, and acquiring a selected communication frequency; and in the case that the selected communication frequency is matched with the target communication frequency supported by the target device, taking the selected communication frequency as the target communication frequency.
The selection operation can be specifically realized by touching keys on the remote controller. The match is within a certain range of error. E.g., 330, then the matching communication frequency may be 331, etc.
Specifically, at least two communication frequencies are stored for the copy remote controller. Such as 20 supported communication frequencies. For example, 315Mhz, 350Mhz, 370Mhz, 430Mhz, etc., are not limited thereto. The user may select one of the at least two communication frequencies and obtain the selected communication frequency. In the event that the selected communication frequency does not match a target communication frequency supported by the target device, the control signal transmitted at the selected communication frequency cannot control the target device. And switching the selected frequency until the selected communication frequency is taken as the target communication frequency under the condition that the selected communication frequency is matched with the target communication frequency supported by the target equipment.
In this embodiment, by selecting the candidate communication frequency, the target device may be attempted to be controlled by the candidate communication frequency, and when the selected frequency matches the target communication frequency, the target communication frequency may be obtained, and the target device may successfully perform the corresponding operation.
In one embodiment, the remote control method for copying a remote controller further comprises: under the condition that the selected communication frequency is not matched with the target communication frequency supported by the target equipment, receiving the target communication frequency which is sent by the tool equipment and corresponds to the remote controller to be copied; the target communication frequency is detected by the tool equipment receiving the signal sent by the remote controller to be copied.
Fig. 3 is a diagram showing an application environment of a remote control method for copying a remote controller in another embodiment. Including the remote controller to be copied 110, the copy-on remote controller 120, the target device 130, and the tool device 140. The tool device 140 may be a terminal device, and may specifically be an automotive diagnostic device, a tablet device, or the like. The tool device 140 may be wired or wirelessly connected to the copy remote control 120.
Specifically, there is a case where the communication frequency stored in the copy remote controller is limited, and the selected communication frequency does not match the target communication frequency. Then, the remote controller to be copied sends any signal to the tool device, such as an unlocking signal, a closing signal, and the like. The tool equipment determines the target communication frequency corresponding to the remote controller to be copied by detecting the signal. The tool apparatus transmits the detected target communication frequency to the copy remote controller. And receiving the target communication frequency which is sent by the tool equipment and corresponds to the remote controller to be copied by the copying remote controller.
In this embodiment, under the condition that the selected communication frequency is not matched with the target communication frequency, the remote controller to be copied sends any signal to the tool device, the tool device detects the communication frequency of the signal, and the communication frequency is actually the target communication frequency, so that the copy remote controller can directly obtain more accurate target communication frequency, and the remote control efficiency is improved.
In one embodiment, determining a target communication frequency from a plurality of communication frequencies comprises: acquiring a set communication frequency from a plurality of settable communication frequencies of the tool equipment; the target communication frequency is obtained in a case where the set communication frequency matches a target communication frequency supported by the target device.
Specifically, a plurality of communication frequencies can be set in the tool apparatus. Specifically, the communication frequency set in the tool device may be selected, or the communication frequency may be input in a setting interface of the tool device.
In this embodiment, since the communication frequency storable in the copy remote controller is limited, the set communication frequency can be obtained from a plurality of settable communication frequencies of the tool device, and in the case where the set communication frequency matches the target communication frequency supported by the target device, the target communication frequency can be obtained, so that a wider communication frequency is supported, and the versatility of the copy remote controller is improved.
In one embodiment, the remote control method for copying a remote controller further comprises: acquiring a remote control application program to be updated, which is sent by tool equipment; and updating the corresponding remote control application program based on the remote control application program to be updated.
The remote control application program to be updated is used for realizing the remote control function of copying the remote controller.
Specifically, the remote controller and the tool device are connected by wire or wirelessly. When the remote control application program is updated, the tool device can push the remote control application program to be updated to the copy remote controller, and acquire the remote control application program to the copy remote controller. Or when the copy remote controller is connected with the tool device, the copy remote controller acquires the remote control application program to be updated from the tool device. Specifically, the remote control application program to be updated may be acquired when the copy remote controller cannot control the target device or the copy of the remote control data of the remote controller to be copied is unsuccessful. And updating the stored remote control application program based on the remote control application program to be updated for the copy remote controller. The copy remote controller may generate a control signal based on the parsed remote control data in the updated application. Or, after the remote control application program is updated, the copy remote controller can receive and analyze the remote control data sent by the remote controller to be copied again to complete the copying.
Once a traditional copy remote controller is sold, a user cannot upgrade the program of the copy remote controller, and the copy remote controller can be invalidated once the garage door remote controller with unsuccessful copy is encountered. In this embodiment, when the remote control data is not successfully copied, the remote control data can be successfully copied by acquiring the remote control application program to be updated sent by the tool device and updating the corresponding remote control application program based on the remote control application program to be updated, and the remote control program can be ensured to be updated in real time, thereby reducing the situation that the target device cannot be controlled.
In one embodiment, the remote control method for copying a remote controller further comprises: and based on a communication protocol with the tool equipment, the tool equipment is in wired connection or wireless connection with the corresponding communication interface.
Specifically, the copy remote controller comprises a wired communication interface and a wireless communication interface. The wired connection interface uses 2 General-purpose GPIO (General-purpose Input/Output) ports on a chip of the copy remote controller, and simulates the UART interface to carry out wired connection communication with tool equipment through a UART (Universal Asynchronous Receiver/Transmitter) protocol. The wireless connection interface uses an On-Off Keying (OOK) radio frequency demodulation module On the chip to perform data analysis On the radio frequency signal sent by the tool equipment, thereby realizing wireless connection communication with the tool equipment. The copy remote controller comprises a Bootloader program. The Bootloader program may be wired to the tool device using a wired communication interface. Alternatively, the Bootloader program may be wirelessly connected to the tool device via a wireless communication interface.
In this embodiment, the copy-on remote control further includes a communication interface, and based on a communication protocol with the tool device, the copy-on remote control is connected with the tool device through the communication interface in a wired or wireless manner, and more functions in the copy-on remote control can be implemented through the tool device. The wireless connection upgrading mode is simple to operate, the software upgrading speed is high, the wired connection upgrading mode is stable, and the wireless connection upgrading method is suitable for occasions where wireless upgrading cannot be used when radio frequency interference is serious.
In one embodiment, the software system is mainly composed of a Bootloader program and a remote control application program. The Bootloader program is written after leaving a factory, and is mainly responsible for realizing configuration operation of tool equipment, operation of loading of the remote control application program and upgrading of the remote control application program. The remote control application program is responsible for realizing key action response, remote control data copy, remote control data clearing, recovery, remote control working radio frequency configuration and remote control ID modification.
Fig. 4 is a schematic diagram illustrating a software system boot flow in one embodiment. And powering on the copy remote controller for awakening, and loading a Bootloader program. And judging whether to remotely control the application program. When the remote control application is run, the remote control application is loaded. And ending when the remote control application program is not operated.
Fig. 5 is a schematic flowchart of program start in one embodiment. After the copy remote controller is awakened, the system is initialized, and the system is defaulted to run from a Bootloader program. After the Bootloader program starts to run, a proper interface is selected to communicate with the tool equipment by judging the states of the wired connection interface and the wireless connection interface. That is, when the tool device is not awakened for key press, the tool device waits for communication, and remote control application program upgrade or parameter configuration is performed. If the 2 communication interfaces are not used, namely the 2 communication interfaces are awakened by a key at the moment, which indicates that the remote controller does not need to be copied to communicate with tool equipment at the moment, the Bootloader program selects to load the remote control application program by default to operate.
Fig. 6 is a flow diagram illustrating the operation of a remote control application in one embodiment. Initializing a system for copying the remote controller, and judging whether to enter a manual configuration mode. And when entering the manual configuration mode, the user can perform manual key configuration until the configuration operation is completed, and the operation is finished. When the manual configuration mode is not entered, the control signal is sent to the target device. The manual configuration mode is used for configuring the functions of keys on the remote controller.
In one embodiment, the remote control method for copying a remote controller further comprises:
decrypting the decoded ciphertext data based on the stored key to obtain decrypted data; the decoded ciphertext data is obtained by decoding the remote control data sent by the remote controller to be copied;
when the decrypted data and the decoded plaintext data are matched, taking the key as a target key; the decoded plaintext data is obtained by decoding the remote control data sent by the remote controller to be copied.
Generating a control signal based on the parsed remote control data in response to a control operation on the target device, including: in response to the control operation on the target equipment, carrying out rolling processing on the decryption rolling codes in the matched decryption data to obtain target rolling codes; encrypting the target rolling code based on the target secret key to generate target encrypted data; a control signal is generated based on the target encrypted data.
The parsed remote control data may include decoded data and decrypted data. Thus, the parsed remote control data includes the decrypted rolling codes in the matching decrypted data. The data sent by the remote controller to be copied comprises ciphertext data and plaintext data. The ciphertext data comprises a ciphertext identifier, a ciphertext rolling code and a ciphertext key value of the remote controller to be copied. The plaintext data comprises the identification of the remote controller to be copied and the key value of the remote controller. The remote controller identification to be copied may be composed of at least one of numbers, letters, and symbols. The remote controller identification to be copied is used for uniquely identifying the remote controller to be copied. The rolling code may specifically be an HCS rolling code.
The decoded ciphertext data is data obtained by decoding data encrypted by a key. After the decoded ciphertext data is decrypted, at least a part of data is the same as the decoded plaintext data. For example:
the decoded ciphertext data comprises a decoded ciphertext identifier, a decoded ciphertext rolling code and a decoded ciphertext key value.
The decrypted data then includes the decrypted remote control identification to be copied, the decrypted rolling code and the decrypted key value.
And the decoded plaintext data comprises the decoded remote controller identification to be copied and the decoded remote controller key value.
The decrypted data is matched with the decoded plaintext data, and the decrypted remote controller identification to be copied is matched with the decoded remote controller identification to be copied, and the decrypted key value is matched with the decoded remote controller key value. The target key refers to a key used in the remote controller to be copied.
Specifically, some remote controllers to be copied adopt HCS rolling codes for control, that is, the rolling codes after encryption are sent to corresponding target devices to control the target devices. And, the rolling code changes every time the remote control is pressed to be copied. Then, a control signal capable of controlling the target device cannot be generated directly from the copied remote controller identification. Therefore, it is necessary for the copying remote controller to find out the key used by the remote controller to be copied and the rolling code of the remote controller to be copied currently to generate the control signal.
The data sent by the remote controller to be copied comprise ciphertext data and plaintext data. And decrypting the ciphertext data and the plaintext data respectively by the copying remote controller to obtain decrypted ciphertext data and decrypted plaintext data.
For each stored key, the remote controller decrypts the decoded ciphertext data based on the stored key to obtain decrypted data. When the decrypted data and the decoded plaintext data do not match, it is indicated that the key is an incorrect key, and then the rekey continues to decrypt the decoded ciphertext data until the decrypted data and the decoded plaintext data match, it is indicated that the key is a correct key, and thus, the key is taken as a target key.
And responding to the control operation of the target equipment, and performing rolling processing on the decryption rolling codes in the matched decryption data by the copying remote controller to obtain the target rolling codes. If the scrolling process is performed according to the rule of the scrolling code, for example, the scrolling code is increased by one every time the key is pressed, then the scrolling process is the scrolling code increased by one. Encrypting the target rolling code, the identification of the remote controller to be copied and the key value corresponding to the control operation by the copying remote controller based on the target key to generate target encrypted data; and generating a control signal according to the packet format and the encoding mode of the data packet of the remote controller to be copied based on the target encrypted data.
In the embodiment, by storing a plurality of keys, the decoded ciphertext data is decrypted based on the stored keys to obtain decrypted data, and when the decrypted data is matched with the decoded plaintext data, a correct target key is found; then, the analytic rolling code in the matched decrypted data can be subjected to rolling processing and encryption, then the control signal generated based on the target encrypted data can enable the target device to successfully execute corresponding operation, and the copying remote controller can be suitable for the rolling code and encrypted scenes, for example, HCS rolling code copying can be supported, and the product compatibility is good.
In one embodiment, the remote control method for copying a remote controller further comprises: acquiring a set remote controller identifier; and sending the set remote controller identifier to the target equipment, so that the target equipment learns the set remote controller identifier.
And the analyzed remote control data comprises an analyzed remote controller identifier to be copied. The setting remote controller flag may be any flag set by the user. The setting of the remote controller identification may be set on a copy remote controller or may be set on a tool device.
Specifically, the set remote controller identification set in the copy remote controller is acquired for the copy remote controller, or the set remote controller identification is acquired from the tool device for the copy remote controller. The remote controller to be copied can replace the analyzed remote controller mark to be copied with the set remote controller mark. And sending a set remote controller identifier to the target equipment by copying the remote controller, so that the target equipment learns the set remote controller identifier. After the target device learns the set remote controller identification, a control signal may be generated for the copy remote controller based on the set remote controller identification, so that the target device performs a corresponding operation.
In this embodiment, since the copying remote controller copies the remote control data in the remote controller to be copied, that is, the remote control data in the copying remote controller and the remote controller to be copied, such as the remote controller identification, are identical, the phenomenon of code tracing may occur. The code-tracing phenomenon is that after the remote controller to be copied sends a control signal to the target equipment, the control signal sent by the copied remote controller cannot be immediately responded by the target equipment. The remote controller identification is set through obtaining, the remote controller identification is set through sending to the target equipment, the target equipment learns the set remote controller identification, the remote controller identification can be modified for copying the remote controller, after the target equipment learns, the target equipment can respond to the control instruction corresponding to the set remote controller identification, the problem of conflict in use of copying the remote controller and the remote controller to be copied can be effectively solved, and the functions of copying the remote controller and the remote controller to be copied can be normally used.
In one embodiment, the analyzed remote control data is obtained by analyzing the remote control data sent by the remote controller to be copied by the tool device and sent to the copy remote controller. Specifically, the tool device may be one that has been analyzed when the remote control data cannot be analyzed with respect to the copy remote controller.
Specifically, in the present embodiment, the remote control of the copying and writing by the tool device is supported by the copy remote controller. The traditional copy remote controller does not support writing through tool equipment, the copy method is single and only supports copying of an OOK modulation remote controller, but remote control copying cannot be carried out on an FSK (Frequency-shift keying) modulation remote controller, and at the moment, the copy remote controller is wasted because the copy remote controller cannot be copied for use. In the embodiment, when the copy remote controller encounters the FSK modulation remote controller, remote control copying by using the tool equipment can be attempted and then the copy remote controller is written, so that the problem that the copy remote controller is invalidated because the FSK modulation remote controller cannot be copied is solved.
In one embodiment, the most recently copied remoting data is restored in response to a restore operation. The copy remote controller of the present invention supports a remote control data recovery function. If the situation that the copied remote control data is eliminated due to misoperation of the copying remote controller occurs, a user can restore the latest remote control data copying result through manual key setting without carrying out remote control copying operation again, and the problems that the original remote controller is lost and the user cannot normally remotely control and use the remote control data when the copying remote controller is mistakenly operated to eliminate the remote control data are effectively avoided.
In one embodiment, a remote control method for copying a remote controller includes:
a step (a 1) of decrypting the decoded ciphertext data based on the stored key to obtain decrypted data; the decoded ciphertext data is obtained by decoding the remote control data sent by the remote controller to be copied.
A step (a 2) of, when the decrypted data and the decoded plaintext data match, taking the key as a target key; the decoded plaintext data is obtained by decoding the remote control data sent by the remote controller to be copied.
A step (a 3) of acquiring a selected communication frequency in response to a selection operation of a plurality of communication frequencies.
And (a 4) setting the selected communication frequency as the target communication frequency when the selected communication frequency matches the target communication frequency supported by the target device. The target communication frequency is a communication frequency supported by a target device corresponding to the remote controller to be copied.
And a step (a 5) of connecting with the tool device in a wired or wireless way through the corresponding communication interface based on the communication protocol with the tool device.
And (a 6) acquiring a set communication frequency from among a plurality of settable communication frequencies of the tool device, in a case where the selected communication frequency does not match a target communication frequency supported by the target device.
And a step (a 7) of obtaining the target communication frequency when the set communication frequency matches the target communication frequency supported by the target device.
And a step (a 8) of receiving the target communication frequency corresponding to the remote controller to be copied, which is transmitted by the tool device, in the case where the selected communication frequency does not match the target communication frequency supported by the target device. The target communication frequency is detected by the tool equipment receiving the signal sent by the remote controller to be copied.
And a step (a 9) of acquiring the remote control application program to be updated, which is transmitted by the tool device.
And (a 10) updating the corresponding remote control application based on the remote control application to be updated.
And (a 11) responding to the control operation of the target device, and performing rolling processing on the decryption rolling codes in the matched decryption data to obtain target rolling codes.
And (a 12) encrypting the target rolling code based on the target key to generate target encrypted data.
A step (a 13) of generating a control signal based on the target encrypted data.
A step (a 14) of transmitting a control signal to a target device at a target communication frequency; the control signal is used for instructing the target device to execute corresponding operation.
It should be understood that, although the steps in the above-described flowcharts are sequentially shown as indicated by arrows and the steps (a 1) through (a 14) are sequentially shown as indicated by reference numerals, the steps are not necessarily performed sequentially in the order indicated by the arrows or numerals. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a part of the steps in the flowcharts may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the steps or stages is not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a part of the steps or stages in other steps.
In one embodiment, as shown in FIG. 7, a block diagram of a remote control copy in one embodiment is shown. The pair of copying remote controllers specifically comprises a processor 710, a key detection module 720 and a radio frequency transmission module 730, wherein the key detection module 720 and the radio frequency transmission module 730 are respectively connected with the processor 710; wherein:
the rf transmitting module 730 is configured to transmit a control signal to a target device at a target communication frequency; the control signal is used for instructing the target device to execute corresponding operation.
The processor, the rf transmitting module and the rf receiving module may be integrated on a same chip, such as an XM6601 chip. XM6601 is a radio frequency transmitter chip integrated with 8051 microprocessor, supports FSK and OOK modulation, and has a transmitting frequency covering the frequency range from 260MHz to 960MHz, and can well support frequencies such as 315MHz, 433MHz, 868MHz, 915MHz and the like. A24 MHz passive crystal oscillator is externally connected to provide an accurate reference clock for radio frequency, and XM6601 can stably and reliably work in a temperature range of-40 ℃ to +85 ℃. The remote control data sent by the remote controller to be copied is received by the radio frequency receiving module. The processor may be an MCU (Micro Control Unit) or the like.
FIG. 8 is a circuit diagram of a copy remote control in one embodiment. The figure includes a serial port RX, which is connected with a radio frequency antenna. Taking the target device as an example of a garage door, fig. 8 includes a serial port P18 for controlling locking; the device comprises a serial port P19 for controlling the opening of the door; the door closing device comprises a serial port P12 for controlling door closing; a serial port P14 is included for controlling the stop. The serial ports P18, P19, P12 and P14 are all used for being connected with the key detection module. The serial port TXP and the serial port TXN are used for connecting the radio frequency receiving module.
The processor is a system main control circuit and realizes the running of programs, the storage of remote control copy data and the response of user key actions.
The key detection module realizes the awakening work of the processor and the running of the starting application program, and the processor can realize different program functions according to different key actions of a user, such as the removal of copied remote control data, the manual switching of the radio frequency working frequency of a remote controller and the manual recovery of the remote control data.
The radio frequency transmitting module realizes radio frequency transmission of control signals through the onboard PCB antenna according to carrier frequency set by the processor, so that remote control over target equipment is realized.
The radio frequency receiving circuit is used for receiving data during remote control copying and writing data during application program upgrading. When the circuit receives a radio frequency signal of a remote controller to be copied, an OOK radio frequency demodulation module on the chip can accurately demodulate the radio frequency signal with the carrier frequency of 200 MHz-500 MHz and the baud rate of 2 Kbps-10 Kbps, and can realize data analysis of the radio frequency signal by matching with a timer with a capturing function in the chip, so that copying of remote control data, upgrading of an application program and writing of other remote control programs are realized.
The radio frequency circuit of the copy remote controller in the embodiments of the application has good compatibility, supports any working frequency setting in the frequency range of 260 MHz-960 MHz, and supports OOK modulation or FSK modulation. The traditional copy remote controller only supports a single OOK modulation radio frequency working point of 315MHz or 433.92MHz, has a small frequency selection range and does not support FSK modulation. If the difference value between the radio frequency point of the copied remote controller and the radio frequency point of the original remote controller is too large or not OOK modulation, the remote control distance is short or the remote control cannot be performed after the remote control is copied. Meanwhile, in order to solve the problem of inconsistent radio frequency points, most manufacturers have to adopt a rod antenna scheme with higher cost, and adopt a scheme of increasing radio frequency power by greatly increasing radio frequency working current so as to solve the problem of short remote control distance or incapability of remote control. The solution is high in economic cost and large in battery power consumption, and the space occupation of the rod-shaped antenna also seriously affects the appearance design of the shell of the product. According to the copy remote controller in the embodiments of the application, statistics and summary are carried out according to the working frequency points of the mainstream garage door remote controller in the market, a plurality of radio frequency points which can be manually selected by a user through keys and work in OOK modulation are provided, and if the radio frequency working frequency points of the garage door remote controller are not in the range of the plurality of radio frequency points modulated by OOK, the user can test the radio frequency points of the garage door remote controller through using tool equipment, so that any radio frequency setting in the frequency range of 260 MHz-960 MHz can be realized. The copy remote controller can realize the high consistency with the radio frequency point of the original remote controller, so that the remote control distance effect same as that of other manufacturers can be realized by adopting lower working current, the use times of the remote controller and the service life of a battery are effectively and greatly improved, and the copy remote controller is economical and environment-friendly. Meanwhile, the design scheme of the onboard PCB antenna is adopted without using the design scheme of the rod-shaped antenna to improve the radio frequency power, so that the design scheme of the onboard PCB antenna is very flexible and convenient, the economic cost is low, the product space position is hardly occupied, and a large space is reserved for the design of the appearance shell of the product.
In one embodiment, the processor is configured to obtain a selected communication frequency in response to a selection operation of a plurality of communication frequencies; and in the case that the selected communication frequency is matched with the target communication frequency supported by the target device, taking the selected communication frequency as the target communication frequency.
In this embodiment, by selecting the candidate communication frequency, the target device may be tried to be controlled by the candidate communication frequency, and when the selected frequency matches the target communication frequency, the target communication frequency may be obtained, and the target device may successfully perform the corresponding operation.
In one embodiment, the processor is further configured to receive a target communication frequency corresponding to the remote controller to be copied, which is sent by the tool device, in case that the selected communication frequency does not match the target communication frequency supported by the target device; the target communication frequency is detected by the tool equipment receiving the signal sent by the remote controller to be copied.
In this embodiment, under the condition that the selected communication frequency is not matched with the target communication frequency, the remote controller to be copied sends any signal to the tool device, the tool device detects the communication frequency of the signal, and the communication frequency is actually the target communication frequency, so that the copy remote controller can directly obtain more accurate target communication frequency, and the remote control efficiency is improved.
In one embodiment, the processor is configured to obtain a set communication frequency from a plurality of settable communication frequencies of the tool apparatus; the target communication frequency is obtained in a case where the set communication frequency matches a target communication frequency supported by the target device.
In this embodiment, since the communication frequency storable in the copy remote controller is limited, the set communication frequency can be obtained from a plurality of settable communication frequencies of the tool device, and in the case where the set communication frequency matches the target communication frequency supported by the target device, the target communication frequency can be obtained, so that a wider communication frequency is supported, and the versatility of the copy remote controller is improved.
In one embodiment, the processor is further configured to obtain a remote control application to be updated sent by the tool device; and updating the corresponding remote control application program based on the remote control application program to be updated.
In this embodiment, when the remote control data is not successfully copied, the remote control data can be successfully copied by acquiring the remote control application program to be updated sent by the tool device and updating the corresponding remote control application program based on the remote control application program to be updated, and the remote control program can be ensured to be updated in real time, thereby reducing the situation that the target device cannot be controlled.
In one embodiment, the processor is further configured to connect with the tool device via a corresponding communication interface in a wired or wireless manner based on a communication protocol with the tool device.
In this embodiment, the copy-on remote control further includes a communication interface, and based on a communication protocol with the tool device, the copy-on remote control is connected with the tool device through the communication interface in a wired or wireless manner, and more functions in the copy-on remote control can be implemented through the tool device. The wireless connection upgrading mode is simple to operate, the software upgrading speed is high, the wired connection upgrading mode is stable, and the wireless connection upgrading method is suitable for occasions where wireless upgrading cannot be used when radio frequency interference is serious.
In one embodiment, the processor is configured to decrypt the decoded ciphertext data based on the stored key, obtaining decrypted data; the decoded ciphertext data is obtained by decoding the remote control data sent by the remote controller to be copied; when the decrypted data and the decoded plaintext data are matched, taking the key as a target key; the decoded plaintext data is obtained by decoding the remote control data sent by the remote controller to be copied; in response to the control operation on the target equipment, carrying out rolling processing on the decryption rolling codes in the matched decryption data to obtain target rolling codes; encrypting the target rolling code based on the target secret key to generate target encrypted data; a control signal is generated based on the target encrypted data.
In the embodiment, by storing a plurality of keys, the decoded ciphertext data is decrypted based on the stored keys to obtain decrypted data, and when the decrypted data is matched with the decoded plaintext data, a correct target key is found; then, the analytic rolling code in the matched decrypted data can be subjected to rolling processing and encryption, then the control signal generated based on the target encrypted data can enable the target device to successfully execute corresponding operation, and the copying remote controller can be suitable for the rolling code and encrypted scenes, for example, HCS rolling code copying can be supported, and the product compatibility is good.
In one embodiment, the processor is further configured to obtain a set remote control identification; and sending the set remote controller identifier to the target equipment, so that the target equipment learns the set remote controller identifier.
In this embodiment, since the remote control data in the remote control to be copied is copied to the copy remote control, that is, the remote control data in the copy remote control and the remote control to be copied, such as the remote control identification, are consistent, the phenomenon of code-chase may occur. The code-tracing phenomenon is that after the remote controller to be copied sends a control signal to the target equipment, the control signal sent by the copied remote controller cannot be immediately responded by the target equipment. The remote controller identification is set by obtaining the set remote controller identification, the set remote controller identification is sent to the target equipment, so that the target equipment learns the set remote controller identification, the remote controller identification can be modified for copying the remote controller, the target equipment can respond to a control instruction corresponding to the set remote controller identification after learning, the problem of conflict in use of copying the remote controller and the remote controller to be copied can be effectively solved, and the functions of copying the remote controller and the remote controller to be copied can be normally used.
For specific limitation of copying the remote controller, reference may be made to the above limitation of the remote control method of copying the remote controller, which is not described in detail herein. The modules in the copy remote controller can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a copy-on-remote controller is provided, comprising a memory and a processor, the memory having stored therein a computer program, the processor implementing the steps of the above method embodiments when executing the computer program.
In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.
In one embodiment, a computer program product or computer program is provided that includes computer instructions stored in a computer-readable storage medium. The computer instructions are read by a processor of the computer device from the computer-readable storage medium, and the computer instructions are executed by the processor to cause the computer device to perform the steps in the above-described method embodiments.
It will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by hardware related to instructions of a computer program, which may be stored in a non-volatile computer readable storage medium, and when executed, may include the processes of the above embodiments of the methods. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
1. A remote control method for copying a remote controller, the method comprising:
determining a target communication frequency from a plurality of communication frequencies; the target communication frequency is a communication frequency supported by target equipment corresponding to the remote controller to be copied;
generating a control signal based on the parsed remote control data in response to a control operation on the target device; the analyzed remote control data is obtained by analyzing the remote control data sent by the remote controller to be copied;
transmitting the control signal to the target device at the target communication frequency; the control signal is used for instructing the target device to execute corresponding operation.
2. The method of claim 1, wherein determining the target communication frequency from a plurality of communication frequencies comprises:
acquiring a selected communication frequency in response to a selection operation of a plurality of communication frequencies;
and taking the selected communication frequency as a target communication frequency under the condition that the selected communication frequency is matched with the target communication frequency supported by the target equipment.
3. The method of claim 2, further comprising:
under the condition that the selected communication frequency is not matched with the target communication frequency supported by the target equipment, receiving the target communication frequency which is sent by the tool equipment and corresponds to the remote controller to be copied; and the target communication frequency is detected by the tool equipment receiving the signal sent by the remote controller to be copied.
4. The method of claim 1, wherein determining the target communication frequency from a plurality of communication frequencies comprises:
acquiring a set communication frequency from a plurality of settable communication frequencies of the tool equipment;
and under the condition that the set communication frequency is matched with a target communication frequency supported by the target equipment, obtaining the target communication frequency.
5. The method of claim 1, further comprising:
acquiring a remote control application program to be updated, which is sent by tool equipment;
and updating the corresponding remote control application program based on the remote control application program to be updated.
6. The method of claim 3, 4 or 5, further comprising:
and based on a communication protocol with the tool equipment, the tool equipment is in wired connection or wireless connection with the corresponding communication interface.
7. The method of claim 1, further comprising:
decrypting the decoded ciphertext data based on the stored key to obtain decrypted data; the decoded ciphertext data is obtained by decoding the remote control data sent by the remote controller to be copied;
when the decrypted data and the decoded plaintext data are matched, taking the key as a target key; the decoded plaintext data is obtained by decoding the remote control data sent by the remote controller to be copied;
the generating a control signal based on the parsed remote control data in response to a control operation on the target device includes:
in response to the control operation of the target equipment, carrying out rolling processing on the decryption rolling codes in the matched decryption data to obtain target rolling codes;
encrypting the target rolling code based on the target secret key to generate target encrypted data;
generating a control signal based on the target encrypted data.
8. A remote control unit for copyback is characterized by comprising a processor, a key detection module and a radio frequency transmission module, wherein the key detection module and the radio frequency transmission module are respectively connected with the processor;
the processor is configured to determine a target communication frequency from a plurality of communication frequencies; the target communication frequency is a communication frequency supported by target equipment corresponding to the remote controller to be copied;
the processor is used for responding to the control operation of the target equipment and generating a control signal based on the analyzed remote control data; the analyzed remote control data is obtained by analyzing the remote control data sent by the remote controller to be copied;
the radio frequency transmitting module is used for transmitting the control signal to the target equipment at the target communication frequency; the control signal is used for instructing the target device to execute corresponding operation.
9. A copy-on-remote controller characterized in that it is adapted to implement the steps of the method of any of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 7.
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