CN111731202A - Key adaptation circuit, multimedia device key adaptation method and system - Google Patents
Key adaptation circuit, multimedia device key adaptation method and system Download PDFInfo
- Publication number
- CN111731202A CN111731202A CN202010565160.6A CN202010565160A CN111731202A CN 111731202 A CN111731202 A CN 111731202A CN 202010565160 A CN202010565160 A CN 202010565160A CN 111731202 A CN111731202 A CN 111731202A
- Authority
- CN
- China
- Prior art keywords
- key
- value
- multimedia device
- adaptation
- resistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The application discloses a key adaptation circuit, a method and a system for multimedia equipment key adaptation, multimedia equipment and a readable storage medium, wherein the key adaptation circuit is applied to the multimedia equipment and comprises at least two parallel-connected sub-circuits, and each sub-circuit comprises a first resistor, a second resistor, a third resistor and a triode. This application is applied to the button adaptation circuit in multimedia device through setting up, this button adaptation circuit is including parallelly connected two at least way connection subcircuits, set up through the pin level to connecting subcircuit, can realize the adjustment to the AD value of vehicle button, and then make the difference between adjacent AD value be greater than the default, bind every AD value and multimedia device's corresponding function this moment, the problem that the multimedia device that the AD value of having avoided the vehicle button too is close to the unable accurate response vehicle button that leads to corresponds the function, very big improvement multimedia device's compatibility.
Description
Technical Field
The present application relates to the field of multimedia devices, and in particular, to a key adaptation circuit, a method and a system for key adaptation of a multimedia device, and a readable storage medium.
Background
With the continuous improvement of the living standard of people, vehicles become necessities in the life of the common people. However, the life cycle of a vehicle is relatively long, which also means that it is possible for a user to change a new vehicle five or ten years or even more after purchasing the vehicle.
The updating speed of multimedia equipment such as a vehicle-mounted central control large screen is high, but for most old vehicles or low-configuration vehicles, the problem that newly-appeared multimedia equipment cannot be compatible exists, so that the multimedia equipment cannot be used on the old vehicles or the low-configuration vehicles.
Therefore, how to improve the compatibility of multimedia devices is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The application aims to provide a key adaptation circuit, a method and a system for key adaptation of a multimedia device, the multimedia device and a readable storage medium, which are used for improving the compatibility of the multimedia device.
In order to solve the technical problem, the present application provides a key adaptation circuit, the key adaptation circuit is applied to multimedia device, the key adaptation circuit includes two at least way connection sub-circuits that connect in parallel, the connection sub-circuit includes first resistance, second resistance, third resistance and triode, wherein:
the first end of the first resistor is connected with the base electrode of the triode, and the second end of the first resistor is connected with the first parallel port;
the first end of the second resistor is connected with the base electrode of the triode, and the second end of the second resistor is connected with the emitting electrode of the triode and a power supply end;
and the first end of the third resistor is connected with the collector of the triode, and the second end of the third resistor is connected with the second parallel port and is connected with the vehicle key circuit.
Optionally, when the multimedia device is in an initial state and is powered on for the first time, in the at least two paths of connection sub-circuits, the level of the pin of one of the connection sub-circuits is set to be a low level, and the levels of the pins of the other connection sub-circuits are set to be a high level.
The present application further provides a method for adapting a key of a multimedia device, where the multimedia device includes any one of the above key adaptation circuits, and the method includes:
collecting AD values of vehicle keys, and sorting according to the size of each AD value;
judging whether the difference value between the adjacent AD values is larger than a preset value or not;
if not, adjusting adaptive resistance parameters in the multimedia equipment, and returning to the step of acquiring the AD value of the vehicle key;
and if so, binding each AD value with the corresponding function of the multimedia equipment.
Optionally, the adjusting the adaptive resistance parameter in the multimedia device includes:
calculating the resistance value of each key resistor in the vehicle key circuit according to each AD value;
and calculating an optimal adaptation resistance value according to each key resistor, and updating the adaptation resistance parameter into the optimal adaptation resistance value.
Optionally, the adjusting the adaptive resistance parameter in the multimedia device includes:
and adjusting the adaptive resistance parameters in the multimedia equipment by setting the high and low levels of the corresponding pins in the multimedia equipment.
Optionally, before collecting the AD value of the vehicle key, the method further includes:
and connecting the key adaptation circuit into a vehicle key circuit.
Optionally, the method further includes:
receiving a modification command;
and executing the modification command to modify the preset value.
The present application further provides a system for key adaptation of a multimedia device, the multimedia device including a key adaptation circuit as described in any of the above, the system comprising:
the acquisition module is used for acquiring the AD values of the vehicle keys and sorting the AD values according to the size of each AD value;
the judging module is used for judging whether the difference value between the adjacent AD values is larger than a preset value or not;
the adjusting module is used for adjusting adaptive resistance parameters in the multimedia equipment when the difference value is smaller than or equal to the preset value, and returning to the step of acquiring the AD value of the vehicle key;
and the binding module is used for binding each AD value with the corresponding function of the multimedia equipment when the difference value is larger than the preset value.
The present application also provides a multimedia device, including:
a key adapter circuit as claimed in any one of the above claims;
a memory for storing a computer program;
a processor for implementing the steps of the method for multimedia device key adaptation as described in any one of the above when the computer program is executed.
The present application further provides a readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method of multimedia device key adaptation as defined in any of the above.
The application provides a button adaptation circuit, this button adaptation circuit is applied to in the multimedia device, and button adaptation circuit includes parallelly connected at least two way connection sub-circuit, and connection sub-circuit includes first resistance, second resistance, third resistance and triode, wherein: the first end of the first resistor is connected with the base electrode of the triode, and the second end of the first resistor is connected with the first parallel port; the first end of the second resistor is connected with the base electrode of the triode, and the second end of the second resistor is connected with the emitting electrode of the triode and connected with a power supply end; the first end of the third resistor is connected with the collector of the triode, and the second end of the third resistor is connected with the second parallel port and is connected with the vehicle key circuit.
The technical scheme that this application provided, be applied to the button adaptation circuit in multimedia device through setting up, this button adaptation circuit is including parallelly connected two at least way connection subcircuits, set up through the pin level to connecting subcircuit, can realize the adjustment to the AD value of vehicle button, and then make the difference between adjacent AD value be greater than the default, bind every AD value and multimedia device's corresponding function this moment, the problem that the multimedia device that the AD value of having avoided the vehicle button too closely leads to can't accurately respond to the vehicle button and correspond the function, very big improvement multimedia device's compatibility. The application also provides a method and a system for multimedia device key adaptation, a multimedia device and a readable storage medium, which have the beneficial effects and are not repeated herein.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a circuit diagram of a multimedia device connected to a vehicle key in the prior art;
fig. 2 is a schematic structural diagram of a key adaptation circuit according to an embodiment of the present disclosure;
fig. 3 is a circuit diagram of a multimedia device connected to a vehicle key according to an embodiment of the present disclosure;
fig. 4 is a flowchart of a method for adapting keys of a multimedia device according to an embodiment of the present disclosure;
fig. 5 is a block diagram of a system for adapting keys of a multimedia device according to an embodiment of the present disclosure;
fig. 6 is a block diagram of another system for key adaptation of a multimedia device according to an embodiment of the present disclosure;
fig. 7 is a block diagram of a multimedia device according to an embodiment of the present application.
Detailed Description
The core of the application is to provide a key adaptation circuit, a method and a system for multimedia device key adaptation, a multimedia device and a readable storage medium, which are used for improving the compatibility of the multimedia device.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The AD value is a value obtained by converting an analog signal into a digital signal, and is obtained by converting acquired analog quantity into digital quantity, namely actually measuring the voltage level, but the AD value is obtained in the single chip microcomputer. In the prior art, a problem of a vehicle key mismatch is generally solved by installing a multimedia device dedicated for a special vehicle, please refer to fig. 1, fig. 1 is a circuit diagram of a multimedia device connected to a vehicle key in the prior art, as shown in fig. 1, resistance values of key resistors R13, R14, R15, R16 and R17 in a vehicle key circuit are known, and then the multimedia device dedicated for the special vehicle is set according to the key resistors, that is, the resistance value of a resistor R20 in the multimedia device is set, so that when a user presses down vehicle keys SW1, SW2, SW3, SW4 or SW5, an output end WHEEL _ AD of a circuit in the multimedia device can output a larger AD value, thereby controlling the multimedia device to realize different functions, the method needs to know an uncertain resistance value of the key resistor in the vehicle key circuit in advance, and if the resistance value is unknown or the multimedia device cannot be matched with the vehicle key, the compatibility of the multimedia device is low, and therefore the application provides a key adaptation circuit for solving the problem.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a key adaptation circuit according to an embodiment of the present disclosure.
As shown in fig. 2, the key adaptation circuit is applied to a multimedia device, and the key adaptation circuit includes at least two connecting sub-circuits connected in parallel: connection sub-circuit 1 and connection sub-circuit 2, connection sub-circuit 1 includes first resistance R1, second resistance R2, third resistance R3 and triode Q1, wherein:
a first end of the first resistor R1 is connected with the base of the triode Q1, and a second end of the first resistor R1 is connected with the first parallel port SW _ SEL 1;
a first end of the second resistor R2 is connected with the base electrode of the triode Q1, and a second end of the second resistor R2 is connected with the emitter electrode of the triode Q2 and is connected with a power supply terminal VDD _3VB 3;
a first terminal of the third resistor R3 is connected to the collector of the transistor Q1, and a second terminal of the third resistor R3 is connected to the second parallel port WHELL _ AD and to the vehicle key circuit.
Optionally, in a specific embodiment, the connection sub-circuit mentioned herein may be a 3-5-way circuit, and is optimally a 4-way circuit, and may be adapted to resistors of various vehicle types by providing an adaptive resistor of 470 Ω -10k, so as to meet the compatibility requirement and avoid the special use of a dedicated device (multimedia device).
For example, referring to fig. 3, fig. 3 is a circuit diagram of a multimedia device and a vehicle key according to an embodiment of the present disclosure, as shown in fig. 3:
1) resistors R1, R2, R3 and a PNP triode Q1 form a connecting sub-circuit 1 together, resistors R4, R5 and R6 and a PNP triode Q2 form a connecting sub-circuit 2 together, resistors R7, R8 and R9 and a PNP triode Q3 form a connecting sub-circuit 3 together, and resistors R10, R11 and R12 and a PNP triode Q4 form a connecting sub-circuit 4 together;
2) the key resistors R13, R14, R15, R16, R17, the capacitor C1, the keys SW1, SW2, SW3, SW4, SW5 together form a vehicle key circuit, which is the same as the key circuit in fig. 1 and 2;
3) in the initial state of the vehicle-mounted host, the SW _ SEL1 is set to be in a low level by default for the first time, and the SW _ SEL2, the SW _ SEL3 and the SW _ SEL4 are set to be in a high level;
4) the SW _ SEL1 in the connection sub-circuit 1 is low level, the emitting junction of the triode Q1 is forward biased, and when any key in the vehicle key circuit is pressed (namely, a pull-down resistor is connected to the ground), the Q1 enters a saturation state; SW _ SEL2, SW _ SEL3 and SW _ SEL4 in the connection sub-circuits 2, 3 and 4 are all high level, and emitting junctions of the triodes Q2, Q3 and Q4 are not conducted and are in cut-off states respectively; only the R4 resistor is in effective adaptation, and the rest of R6, R9 and R12 are in single-ended suspension, namely the effective adaptation resistor of the multifunctional steering wheel is R3;
5) finally, the proper adaptive resistance parameters are adjusted by controlling the high and low levels of the four pins SW _ SEL1, SW _ SEL2, SW _ SEL3 and SW _ SEL4 in the multimedia device.
Optionally, when the multimedia device is in an initial state and is powered on for the first time, in the at least two paths of connection sub-circuits, the pin level of one path of connection sub-circuit is set to be a low level, and the pin levels of other connection sub-circuits are set to be a high level, so that when the multimedia device is powered on for the first time, the one path of connection sub-circuit is connected with the vehicle key circuit, and the acquisition of the AD value of the vehicle key can be guaranteed.
Based on above-mentioned technical scheme, the button adaptation circuit that this application provided, be applied to the button adaptation circuit among the multimedia device through setting up, this button adaptation circuit is including parallelly connected two at least way connection subcircuits, through setting up the pin level of connecting the subcircuit, can realize the adjustment to the AD value of vehicle button, and then make the difference between adjacent AD value be greater than the default, bind every AD value and multimedia device's corresponding function this moment, the problem that the multimedia device that has avoided the AD value of vehicle button too close to lead to can't respond to the vehicle button accurately and correspond the function, very big improvement multimedia device's compatibility.
Based on the above embodiments, please refer to fig. 4, and fig. 4 is a flowchart of a method for adapting a key of a multimedia device according to an embodiment of the present application.
The multimedia device comprises a key adaptation circuit according to any one of the embodiments, and the method specifically comprises the following steps:
s401: collecting AD values of vehicle keys, and sorting according to the size of each AD value;
generally, the reason that the multimedia device is incompatible with the vehicle is that the AD values of different vehicle keys collected by the multimedia device are relatively close, so that the multimedia device cannot identify the function corresponding to each vehicle key, and therefore the AD values of the vehicle keys are collected in the step and are sorted according to the size of each AD value, so that whether the AD values of the vehicle keys are close or not is judged according to the difference value between the adjacent AD values.
Optionally, in a specific embodiment, before the AD value of the vehicle key is collected, the key adaptation circuit may be connected to the vehicle key circuit, so that the multimedia device is connected to the vehicle key circuit through the key adaptation circuit, thereby realizing connection between the multimedia device and the vehicle key and ensuring collection of the AD value of the vehicle key.
S402: judging whether the difference value between the adjacent AD values is larger than a preset value or not;
if not, the process goes to step S403; if yes, go to step S404;
optionally, since the preset value may change with the advancement of the technology, and different manufacturers may have different technical requirements, the preset value may be changed by performing the following steps:
receiving a modification command;
and executing the modification command to modify the preset value.
S403: adjusting adaptive resistance parameters in the multimedia device;
in this step, the adaptive resistance parameter in the multimedia device is adjusted, and then the step S101 is returned to, in order to find the adaptive resistance parameter that makes the AD value difference of the vehicle key larger, and then bind each AD value with the corresponding function of the multimedia device, so as to implement the adaptation of the multimedia device and the vehicle key.
Optionally, in a specific embodiment, the resistance value of each key resistor in the vehicle key circuit may be calculated according to the AD value, and then the optimal adaptation resistance value is calculated according to the key resistor, so as to improve the adjustment efficiency of the adaptation resistance parameter, that is, the adjustment of the adaptation resistance parameter in the multimedia device mentioned here may specifically be:
calculating the resistance value of each key resistor in the vehicle key circuit according to each AD value;
and calculating an optimal adaptation resistance value according to each key resistance, and updating the adaptation resistance parameter into the optimal adaptation resistance value.
Optionally, the adjusting of the adaptive resistance parameter in the multimedia device may specifically be:
and adjusting the adaptive resistance parameters in the multimedia equipment by setting the high and low levels of the corresponding pins in the multimedia equipment.
S404: each AD value is bound with a corresponding function of the multimedia device.
Based on the technical scheme, the method for adapting the keys of the multimedia device comprises the steps of collecting the AD values of the vehicle keys, sequencing according to the size of each AD value, adjusting adaptive resistance parameters in the multimedia device when the difference value between the adjacent AD values is smaller than or equal to the preset value, and returning to the step of collecting the AD values of the vehicle keys.
Referring to fig. 5, fig. 5 is a block diagram of a system for adapting keys of a multimedia device according to an embodiment of the present disclosure.
The system may include:
the acquisition module 100 is used for acquiring the AD values of the vehicle keys and sorting the AD values according to the size of each AD value;
a judging module 200, configured to judge whether a difference between adjacent AD values is greater than a preset value;
the adjusting module 300 is configured to adjust an adaptive resistance parameter in the multimedia device when the difference is smaller than or equal to a preset value, and return to the step of collecting the AD value of the vehicle key;
and a binding module 400, configured to bind each AD value with a corresponding function of the multimedia device when the difference is greater than the preset value.
Referring to fig. 6, fig. 6 is a block diagram of another multimedia device key adaptation system according to an embodiment of the present disclosure.
The adjustment module 300 may include:
the first calculation submodule is used for calculating the resistance value of each key resistor in the vehicle key circuit according to each AD value;
and the second calculation submodule is used for calculating the optimal adaptation resistance value according to each key resistor and updating the adaptation resistance parameter into the optimal adaptation resistance value.
The adjustment module 300 may include:
and the setting submodule is used for adjusting the adaptive resistance parameters in the multimedia equipment by setting the high and low levels of the corresponding pins in the multimedia equipment.
The system may further comprise:
and the access module is used for accessing the default adaptive circuit in the multimedia equipment into the vehicle key circuit.
The system may further comprise:
a receiving module for receiving a modification command;
and the modification module is used for executing the modification command to modify the preset value.
Since the embodiment of the system part corresponds to the embodiment of the method part, the embodiment of the system part is described with reference to the embodiment of the method part, and is not repeated here.
Referring to fig. 7, fig. 7 is a structural diagram of a multimedia device according to an embodiment of the present disclosure.
The multimedia device 700 may vary significantly depending on configuration or performance, and may include one or more processors (CPUs) 722 (e.g., one or more processors) and memory 732, one or more storage media 730 (e.g., one or more mass storage devices) storing applications 742 or data 744. Memory 732 and storage medium 730 may be, among other things, transient storage or persistent storage. The program stored in the storage medium 730 may include one or more modules (not shown), each of which may include a sequence of instruction operations for the device. Further, the processor 722 may be configured to communicate with the storage medium 730 to execute a series of instruction operations in the storage medium 730 on the multimedia device 700.
The multimedia device 700 may also include one or more power supplies 727, one or more wired or wireless network interfaces 750, one or more input-output interfaces 757, and/or one or more operating systems 741, such as Windows Server, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, and the like.
The steps in the method for adapting keys of a multimedia device described in fig. 4 above are implemented by the multimedia device based on the structure shown in fig. 7.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the module described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus, device and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of modules is merely a division of logical functions, and an actual implementation may have another division, for example, a plurality of modules or components may be combined or 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 modules, and may be in an electrical, mechanical or other form.
Modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present application may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
The integrated module, if implemented in the form of a software functional module and sold or used as a separate product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a function calling device, or a network device) to execute all or part of the steps of the method of the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The key adaptation circuit, the method and the system for adapting the keys of the multimedia device, the multimedia device and the readable storage medium provided by the present application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. The key adaptation circuit is applied to multimedia equipment and comprises at least two parallel connection sub-circuits, wherein each connection sub-circuit comprises a first resistor, a second resistor, a third resistor and a triode, and the key adaptation circuit comprises:
the first end of the first resistor is connected with the base electrode of the triode, and the second end of the first resistor is connected with the first parallel port;
the first end of the second resistor is connected with the base electrode of the triode, and the second end of the second resistor is connected with the emitting electrode of the triode and a power supply end;
and the first end of the third resistor is connected with the collector of the triode, and the second end of the third resistor is connected with the second parallel port and is connected with the vehicle key circuit.
2. The key adapter circuit of claim 1, wherein when the multimedia device is in an initial state and is powered on for the first time, the pin level of one of the at least two connection sub-circuits is set to a low level, and the pin levels of the other connection sub-circuits are set to a high level.
3. A method of key adaptation for a multimedia device, the multimedia device comprising a key adaptation circuit according to any of claims 1-2, the method comprising:
collecting AD values of vehicle keys, and sorting according to the size of each AD value;
judging whether the difference value between the adjacent AD values is larger than a preset value or not;
if not, adjusting adaptive resistance parameters in the multimedia equipment, and returning to the step of acquiring the AD value of the vehicle key;
and if so, binding each AD value with the corresponding function of the multimedia equipment.
4. The method of claim 3, wherein adjusting the adaptation resistance parameter in the multimedia device comprises:
calculating the resistance value of each key resistor in the vehicle key circuit according to each AD value;
and calculating an optimal adaptation resistance value according to each key resistor, and updating the adaptation resistance parameter into the optimal adaptation resistance value.
5. The method of claim 3, wherein adjusting the adaptation resistance parameter in the multimedia device comprises:
and adjusting the adaptive resistance parameters in the multimedia equipment by setting the high and low levels of the corresponding pins in the multimedia equipment.
6. The method of claim 3, further comprising, prior to collecting the AD values for the vehicle keys:
and connecting the key adaptation circuit into a vehicle key circuit.
7. The method of claim 3, further comprising:
receiving a modification command;
and executing the modification command to modify the preset value.
8. A system for key adaptation of a multimedia device, the multimedia device comprising a key adaptation circuit according to claims 1-2, the system comprising:
the acquisition module is used for acquiring the AD values of the vehicle keys and sorting the AD values according to the size of each AD value;
the judging module is used for judging whether the difference value between the adjacent AD values is larger than a preset value or not;
the adjusting module is used for adjusting adaptive resistance parameters in the multimedia equipment when the difference value is smaller than or equal to the preset value, and returning to the step of acquiring the AD value of the vehicle key;
and the binding module is used for binding each AD value with the corresponding function of the multimedia equipment when the difference value is larger than the preset value.
9. A multimedia device, comprising:
the key adaptation circuit of any of claims 1-2;
a memory for storing a computer program;
a processor for implementing the steps of the method of multimedia device key adaptation as claimed in any of claims 3 to 7 when executing said computer program.
10. A readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method of multimedia device key adaptation according to any of claims 3 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010565160.6A CN111731202A (en) | 2020-06-19 | 2020-06-19 | Key adaptation circuit, multimedia device key adaptation method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010565160.6A CN111731202A (en) | 2020-06-19 | 2020-06-19 | Key adaptation circuit, multimedia device key adaptation method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111731202A true CN111731202A (en) | 2020-10-02 |
Family
ID=72650413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010565160.6A Pending CN111731202A (en) | 2020-06-19 | 2020-06-19 | Key adaptation circuit, multimedia device key adaptation method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111731202A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009213316A (en) * | 2008-03-06 | 2009-09-17 | Mitsuba Corp | Control device for variable field motor |
| DE202010003536U1 (en) * | 2010-03-12 | 2010-07-01 | Abb Ag | Start-up circuit for a slip-ring motor |
| CN105015611A (en) * | 2015-07-27 | 2015-11-04 | 惠州华阳通用电子有限公司 | Steering wheel key adaption method and device |
| CN210212294U (en) * | 2019-06-06 | 2020-03-31 | 湖北亿咖通科技有限公司 | Square control signal simulation device |
| CN111024114A (en) * | 2019-12-26 | 2020-04-17 | 深圳市诺威达电汽有限公司 | Method and circuit for vehicle navigation mcu self-adaptive learning square control |
| CN210402078U (en) * | 2019-10-29 | 2020-04-24 | 浙江新连宇电子有限公司 | Automobile steering wheel key circuit |
-
2020
- 2020-06-19 CN CN202010565160.6A patent/CN111731202A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009213316A (en) * | 2008-03-06 | 2009-09-17 | Mitsuba Corp | Control device for variable field motor |
| DE202010003536U1 (en) * | 2010-03-12 | 2010-07-01 | Abb Ag | Start-up circuit for a slip-ring motor |
| CN105015611A (en) * | 2015-07-27 | 2015-11-04 | 惠州华阳通用电子有限公司 | Steering wheel key adaption method and device |
| CN210212294U (en) * | 2019-06-06 | 2020-03-31 | 湖北亿咖通科技有限公司 | Square control signal simulation device |
| CN210402078U (en) * | 2019-10-29 | 2020-04-24 | 浙江新连宇电子有限公司 | Automobile steering wheel key circuit |
| CN111024114A (en) * | 2019-12-26 | 2020-04-17 | 深圳市诺威达电汽有限公司 | Method and circuit for vehicle navigation mcu self-adaptive learning square control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0861468B1 (en) | Automatic voltage detection in multiple voltage applications | |
| CN103309559B (en) | A kind of control inerface application drawing calibration method and terminal | |
| US20120062187A1 (en) | Auxiliary power device, memory system having the same, and cell balancing method thereof | |
| EP3001309A1 (en) | Application migration method, device and system for mobile terminal | |
| CN100590572C (en) | System for determining the true electrical characteristics of a device | |
| CN105630686A (en) | Traversal testing method and device for applications and mobile terminal | |
| CN101477838B (en) | Condition detection apparatus, system and electronic device for NAND flash memory body | |
| CN113312265A (en) | Application method of test case and related product | |
| CN111731202A (en) | Key adaptation circuit, multimedia device key adaptation method and system | |
| CN104169854B (en) | A kind of icon arrangement method and terminal | |
| CN113126813B (en) | Correction method and device for key misjudgment, terminal equipment and storage medium | |
| CN109558387B (en) | Method and device for processing identity card number, storage medium and terminal | |
| CN113126814A (en) | Key no-response correction method and device, terminal equipment and storage medium | |
| CN110119351B (en) | Test case execution method and device | |
| CN104424153B (en) | A kind of audio ＆ video equipment data collecting system and its method to USB interface | |
| CN109388217B (en) | Method, device and system for determining duration of unpowered hard disk | |
| CN114368354B (en) | Steering wheel key setting method and device, computer equipment and storage medium | |
| CN114091486B (en) | NFC chip data interaction method and device, middleware and electronic equipment | |
| CN116208661B (en) | Function configuration adaptation method, device, vehicle and storage medium | |
| CN205451468U (en) | IC interface control's device | |
| CN114003516B (en) | Method, system, equipment and storage medium for setting BIOS as default value | |
| CN112394963B (en) | Method for updating domestic platform SMBIOS and BIOS device | |
| CN111880741B (en) | Object state setting method and device, electronic equipment and storage medium | |
| CN114896192B (en) | Interface matching method, device, computer equipment and storage medium | |
| CN112783742B (en) | Method and device for counting CPU frequency and voltage and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201002 |