CN105652193B - It is adapted to detection device and method for terminal and keypad - Google Patents
It is adapted to detection device and method for terminal and keypad Download PDFInfo
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- CN105652193B CN105652193B CN201511028069.6A CN201511028069A CN105652193B CN 105652193 B CN105652193 B CN 105652193B CN 201511028069 A CN201511028069 A CN 201511028069A CN 105652193 B CN105652193 B CN 105652193B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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Abstract
It being adapted to detection device for terminal and keypad the invention discloses a kind of, is connected between terminal control chip and keypad and includes main control chip, main control chip includes：Output module detects the key assignments corresponding to the voltage value of signal for exporting preset voltage detection signal to terminal, terminal inquiry and feedback voltage；Determining module determines the corresponding voltage range of each key assignments and preserves for the voltage value according to each key assignments and corresponding voltage detection signal received；Acquisition module, for when detecting the push button signalling triggered based on keypad, obtaining the corresponding voltage value of push button signalling；Processing module, the position relationship for determining push button signalling corresponding voltage value and voltage range, and judge whether terminal is adapted to keypad according to position relationship.The invention also discloses a kind of detection method is adapted to for terminal and keypad.The present invention realizes the problem of whether terminal is adapted to keypad detected before assembling keypad in time for terminal.
Description
Technical field
The present invention relates to field of terminal technology more particularly to a kind of being adapted to detection device and side for terminal and keypad
Method.
Background technology
With the continuous development of science and technology, the terminals such as mobile phone, television set have become the market mainstream, are widely applied.
In general, terminal is equipped with a keypad, when terminal is adapted to keypad, the button on user's pressing keys plate can be realized
Corresponding function.For example, the keypad button that user presses television set can realize the functions such as volume adjustment, channel switching.But by
Different to the formulation standard of terminal key assignments in different manufacturers, the non-Uniform provisions of the corresponding voltage range of each key assignments lead to end
End is likely to occur the case where not being adapted to keypad.In the prior art, typically detection terminal again is assembled after the completion in keypad
Whether it is adapted to keypad, cannot be before keypad assembly, whether timely detection terminal is adapted to keypad.
Invention content
It is a primary object of the present invention to propose a kind of to be adapted to detection device and method for terminal and keypad, it is intended to
Existing terminal is solved before assembling keypad, it cannot detection terminal the technical issues of whether being adapted to keypad in time.
To achieve the above object, a kind of detection device that is adapted to for terminal and keypad provided by the invention, the use
It is connected between terminal control chip and keypad with the detection device that is adapted to of keypad in terminal, it is described to be used for terminal and press
The adaptation detection device of keypad includes main control chip, and the main control chip includes：
Output module, for exporting preset voltage detection signal to terminal, the terminal inquiry simultaneously feeds back the voltage
Detect the key assignments corresponding to the voltage value of signal；
Determining module is determined for the voltage value according to each key assignments and corresponding voltage detection signal received
The corresponding voltage range of each key assignments simultaneously preserves；
Acquisition module, for when detecting the push button signalling triggered based on keypad, obtaining the corresponding electricity of push button signalling
Pressure value；
Processing module, for determining that the corresponding voltage value of the push button signalling and the position of each voltage range close
System, and judge whether the terminal is adapted to the keypad according to the position relationship.
Preferably, the processing module includes：
Comparing unit, for the corresponding voltage value of the push button signalling to be compared with each voltage range, with
Determine the position relationship of the push button signalling corresponding voltage value and the voltage range；
Judging unit, for being not belonging to any voltage section or button letter in the corresponding voltage value of the push button signalling
Number corresponding voltage value belongs to a wherein voltage range but is less than default electricity with the difference of the critical voltage value of the voltage range
When threshold pressure differential, judge that the terminal is not adapted to the keypad.
Preferably, described for terminal with the detection device that is adapted to of keypad further includes being connect respectively with the main control chip
DAC module and ADC module, wherein：
The DAC module, the voltage detection signal for exporting the output module transmit after being converted into analog signal
To the terminal；
The ADC module, what voltage detection signal and the keypad for being exported to the DAC module exported presses
Key signals carry out sampling and analog-to-digital conversion, to obtain the electricity of the actual voltage value and the push button signalling of the voltage detection signal
Pressure value；
Wherein, the determining module is according to each key assignments received and the virtual voltage of corresponding voltage detection signal
Value, determines the corresponding voltage range of each key assignments and preserves.
Preferably, the voltage detection signal is voltage value level letter simultaneously incremented by successively according to default unit since 0V
Number, the processing module is additionally operable to：
Judge whether the voltage value of the voltage detection signal is greater than or equal to predetermined voltage threshold, and is in judging result
Output module is controlled when being to stop exporting the voltage detection signal.
Preferably, the determining module includes：
Processing unit, in the corresponding key assignments of the voltage detection signal that receives terminal feedback, by the electricity
The voltage value of pressure detection signal is associated with the key assignments received；
Statistic unit, for when the voltage detection signal exports completion, counting the associated multiple voltages of each key assignments
Maximum voltage value in value and minimum amount of voltage that；
Determination unit, for according to the corresponding maximum voltage value of each key assignments and minimum amount of voltage that, determining each key-value pair
The voltage range answered.
In addition, to achieve the above object, the present invention also proposes a kind of detection method that is adapted to for terminal and keypad, institute
It states and is adapted to that detection method includes the following steps for terminal and keypad：
Preset voltage detection signal is exported to terminal；
The terminal inquiry simultaneously feeds back the key assignments corresponding to the voltage value of the voltage detection signal；
According to the voltage value of each key assignments and corresponding voltage detection signal that receive, determine that each key assignments is corresponding
Voltage range simultaneously preserves；
Detect whether the push button signalling triggered based on keypad, and obtain when detecting the push button signalling it is described by
The corresponding voltage value of key signals；
Determine the position relationship of the corresponding voltage value of the push button signalling and each voltage range, and according to institute's rheme
The relationship of setting judges whether the terminal is adapted to the keypad.
Preferably, the position relationship of the determination push button signalling corresponding voltage value and each voltage range,
And judge that the step of whether terminal is adapted to the keypad includes according to the position relationship：
The corresponding voltage value of the push button signalling is compared with each voltage range, is believed with the determination button
The position relationship of number corresponding voltage value and the voltage range；
It is not belonging to any voltage section or the corresponding voltage of the push button signalling in the corresponding voltage value of the push button signalling
When value belongs to a wherein voltage range but is less than predeterminated voltage difference threshold value with the difference of the critical voltage value of the voltage range, sentence
The fixed terminal is not adapted to the keypad.
Preferably, the voltage detection signal is voltage value level letter simultaneously incremented by successively according to default unit since 0V
Number, the preset voltage detection signal of output further includes to after the step of terminal：
Judge whether the voltage value of the voltage detection signal is greater than or equal to predetermined voltage threshold, and is in judging result
Stop exporting the voltage detection signal when being.
Preferably, the voltage value for each key assignments and corresponding voltage detection signal that the basis receives determines each
The step of a key assignments corresponding voltage range includes：
In the corresponding key assignments of the voltage detection signal that receives terminal feedback, by the electricity of the voltage detection signal
Pressure value is associated with the key assignments received；
When the voltage detection signal exports completion, the maximum voltage in the associated multiple voltage values of each key assignments is counted
Value and minimum amount of voltage that；
According to the corresponding maximum voltage value of each key assignments and minimum amount of voltage that, the corresponding voltage range of each key assignments is determined.
Preferably, the preset voltage detection signal of output further includes to after the step of terminal：
The voltage detection signal of acquisition output in real time simultaneously carries out analog-to-digital conversion to obtain to the voltage detection signal
The actual voltage value of the voltage detection signal；
The voltage value of each key assignments and corresponding voltage detection signal that the basis receives, determines each key-value pair
The voltage range and preservation answered be specially：
According to the actual voltage value of each key assignments and corresponding voltage detection signal that receive, each key-value pair is determined
The voltage range answered and preservation.
Proposed by the present invention to be adapted to detection device and method for terminal and keypad, this is used for terminal and keypad
Adaptation detection device is connected between terminal control chip and keypad, and this is used for terminal and is filled with the detection that is adapted to of keypad
It sets including main control chip.Before terminal and keypad assembly, the output module and determining module that first pass through the main control chip determine
The corresponding voltage range of each key assignments of terminal simultaneously preserves, later the button on user's pressing keys plate, triggers corresponding button letter
Number, the acquisition module of the main control chip obtains the corresponding voltage value of push button signalling, the main control chip when detecting push button signalling
Processing module judge whether terminal fits with keypad according to the position relationship of the corresponding voltage value of push button signalling and voltage range
Match, it is thereby achieved that just detected whether keypad is adapted to terminal in time before terminal assembles keypad.
Description of the drawings
Fig. 1 is the structural framing schematic diagram of terminal push detecting system in each embodiment；
Fig. 2 is the high-level schematic functional block diagram for being adapted to detection device first embodiment that the present invention is used for terminal and keypad；
Fig. 3 is the refinement work(for being adapted to processing module in detection device first embodiment that the present invention is used for terminal and keypad
It can module diagram；
Fig. 4 is the refinement work(for being adapted to determining module in detection device second embodiment that the present invention is used for terminal and keypad
It can module diagram；
Fig. 5 is the flow diagram for being adapted to detection method first embodiment that the present invention is used for terminal and keypad；
Fig. 6 is that the present invention determines that each key-value pair is answered for terminal with being adapted in detection method second embodiment for keypad
Voltage range refinement flow diagram.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provide it is a kind of being adapted to detection device for terminal and keypad, as shown in Figure 1, this be used for terminal with by
The adaptation detection device of keypad is connected between terminal control chip and keypad.Wherein, this is used for terminal and keypad
It includes main control chip to be adapted to detection device, and with reference to Fig. 2, Fig. 2 is the present invention is adapted to detection device for terminal and keypad
The high-level schematic functional block diagram of one embodiment.
In the present embodiment, this is used for terminal and includes with the main control chip for being adapted to detection device of keypad：
Output module 10, for exporting preset voltage detection signal to terminal, the terminal inquiry simultaneously feeds back the electricity
Key assignments corresponding to the voltage value of pressure detection signal；
In the present invention, by terminal, for terminal and keypad be adapted to detection device and keypad constitutes terminal and presses
Key detecting system.As shown in Figure 1, being connected to terminal control chip and button with the detection device that is adapted to of keypad for terminal
Between plate.Wherein, the terminal includes but not limited to the equipment that television set, mobile phone etc. have button.Each terminal in production,
Producer is provided with corresponding voltage range to the key assignments of each function button of terminal.Since different manufacturers answer key-value pair
Voltage range to have different setting standards namely the corresponding voltage range of each key assignments be currently non-Uniform provisions.Example
Such as, the corresponding voltage range of key assignments of " increase volume " function button is 0-0.5v in a terminal, and in another terminal
The corresponding voltage range of key assignments of " increasing volume " function button is 0.2-0.8v.It is thus necessary to determine that going out each key assignments of terminal
Corresponding voltage range.
In the present embodiment, described to include but not limited to the main control chip for being adapted to detection device of keypad for terminal
51 microcontrollers.The output module 10 of main control chip exports preset each voltage detection signal to the terminal.Wherein, the end
Preset key assignments and voltage value relation table are stored in end.When the terminal receives the voltage detecting letter of the output of output module 10
Number when, preset key assignments described in the terminal inquiry and voltage value relation table, inquiry is with the presence or absence of the electricity with voltage detection signal
Pressure is worth corresponding key assignments.If for example, the preset key assignments and the correspondence that voltage value relation table is key assignments and voltage range
Table, terminal inquiry is in the mapping table of the key assignments and voltage range, the voltage of the voltage detection signal received
Whether value is in the corresponding voltage range of a certain key assignments.When inquiring the voltage value of the voltage detection signal in a certain key-value pair
When in the voltage range answered, namely inquire the corresponding key assignments of voltage value of the voltage detection signal；Otherwise, it namely does not inquire
To the corresponding key assignments of voltage value of the voltage detection signal.Terminal is corresponded in the voltage value for inquiring the voltage detection signal
Key assignments when, the key assignments that feedback query arrives, namely the feedback voltage detection signal the corresponding key assignments of voltage value.Terminal is not
When inquiring the corresponding key assignments of voltage value of the voltage detection signal namely the voltage value of the voltage detection signal is not present
When corresponding key assignments, invalid value is fed back.
Determining module 20, for the voltage value according to each key assignments and corresponding voltage detection signal received, really
Determine the corresponding voltage range of each key assignments and preserves；
After output module 10 exports a voltage detection signal to the terminal every time, 20 meeting of determining module of main control chip
The key assignments of the terminal feedback is received, or receives the invalid value of the terminal feedback.Wherein, output module 10 exports more
A voltage detection signal, terminal may feed back the same key assignments namely determining module 20 to be likely to be received the terminal repeatedly anti-
Present the same key assignments.When 10 voltage sense signal of output module is completed, determining module 20 is according to the key received every time
Value, and voltage detection signal corresponding to the key assignments that receives every time voltage value, determine the corresponding voltage of each key assignments
Section simultaneously preserves.For example, there is the key assignments that the voltage value of 5 voltage detection signals corresponds to " increasing volume " function button, it is determined that
Module 20 determines the corresponding voltage range of key assignments of " increasing volume " function button according to the voltage value of this 5 voltage detection signals
And it preserves；There is the voltage value of 8 voltage detection signals to correspond to the key assignments of " reducing volume " function button, it is determined that 20 basis of module
The voltage value of this 8 voltage detection signals determines the corresponding voltage range of key assignments of " reducing volume " function button and preserves.
Acquisition module 30, for when detecting the push button signalling triggered based on keypad, it is corresponding to obtain push button signalling
Voltage value；
After determining module 20 determines the corresponding voltage range of each key assignments of terminal, each button of keypad is then obtained
Corresponding voltage value.Below by taking any button on keypad as an example, illustrated to obtaining button corresponding voltage value.When user presses
After pressing the button in keypad, the corresponding push button signalling of the button is generated, the push button signalling is transmitted to main control chip, works as master control
When the acquisition module 30 of chip detects the push button signalling, the corresponding voltage value of the push button signalling is obtained.
Processing module 40, for determining that the corresponding voltage value of the push button signalling and the position of each voltage range close
System, and judge whether the terminal is adapted to the keypad according to the position relationship.
After acquisition module 30 gets push button signalling corresponding voltage value, processing module 40 corresponds to the push button signalling
Voltage value voltage range corresponding with each key assignments of the terminal of preservation be compared, determine the corresponding voltage of the push button signalling
It is worth the position relationship of voltage range corresponding with each key assignments of terminal preserved, and the end is judged according to determining position relationship
Whether end is adapted to the keypad.Specifically, as shown in figure 3, the processing module 40 includes：
Comparing unit 41, for the corresponding voltage value of the push button signalling to be compared with each voltage range,
With the position relationship of the determination push button signalling corresponding voltage value and the voltage range；
Judging unit 42, for being not belonging to any voltage section or the button in the corresponding voltage value of the push button signalling
The corresponding voltage value of signal belongs to a wherein voltage range but is less than with the difference of the critical voltage value of the voltage range default
When voltage difference threshold value, judge that the terminal is not adapted to the keypad.
In the present embodiment, comparing unit 41 is corresponding with each key assignments of the terminal of preservation by the voltage value got
Voltage range is compared, and judges whether the voltage value got belongs to the corresponding voltage range of terminal some key assignments.
If the voltage value got is not belonging to the corresponding voltage range of any button of terminal, namely for the terminal, institute
It is failure to state the corresponding button of push button signalling, and judging unit 42 judges that the terminal is not adapted to the keypad.
If comparing unit 41 judges that the voltage value got belongs to the corresponding voltage range of some key assignments of terminal,
Then further calculate the absolute difference of each critical voltage value of the voltage value got voltage range corresponding with the key assignments
Value.In general, the corresponding voltage range of key assignments, there are two critical voltage value, processing module 40 calculates separately the voltage got
The absolute difference of two critical voltage values of value voltage range corresponding with the key assignments.In the present embodiment, it is previously provided with one
Predeterminated voltage difference threshold value, the predeterminated voltage difference threshold value are flexibly arranged according to actual conditions, and this is not restricted.Calculated
In the absolute difference of the critical voltage value of voltage value voltage range corresponding with the key assignments, comparing unit 41 judges whether to deposit
It is less than the predeterminated voltage difference threshold value in absolute difference.If there are a certain absolute differences to be less than the predeterminated voltage difference threshold value,
Illustrate the corresponding voltage value of the push button signalling close to the critical voltage value of the corresponding voltage range of the key assignments, such case
Under, it cannot be guaranteed that the key assignments is the key assignments of the corresponding button of the push button signalling, therefore, judging unit 42 judges the end
End is not adapted to the keypad.If there is no a certain absolute differences to be less than the predeterminated voltage difference threshold value, namely the institute obtained
The absolute difference for stating any critical voltage value of voltage value voltage range corresponding with the key assignments is all higher than or equal to described
Predeterminated voltage difference threshold value, then judging unit 42 judge that the key assignments is the key assignments of the corresponding button of the push button signalling.
The scheme that the present embodiment proposes exports each preset electricity before terminal assembles keypad by output module 10
After pressure detection signal to terminal, each key assignments and each corresponding voltage detection signal that determining module 20 is fed back according to terminal
Voltage value, determine the corresponding voltage range of each key assignments of terminal and preserve, later when the button on user's pressing keys plate, obtain
Modulus block 30 obtains the corresponding voltage value of push button signalling, processing module when detecting the push button signalling triggered based on keypad
40 judge whether terminal is adapted to keypad according to the corresponding voltage value of push button signalling with the position relationship of voltage range, therefore,
It realizes before the keypad assembly of terminal, detects whether terminal is adapted to keypad in time, detect not to be adapted to work as
Shi Jinhang is rectified and improved, and the keypad not being adapted to is assembled to effectively prevent terminal.
Further, based on first embodiment propose the present invention for terminal and keypad to be adapted to detection method second real
Apply example, in the present embodiment, it is described for terminal and keypad be adapted to detection device further include respectively with the main control chip
The DAC module and ADC module of connection, wherein：
The DAC module, the voltage detection signal for exporting the output module transmit after being converted into analog signal
To the terminal；
The ADC module, what voltage detection signal and the keypad for being exported to the DAC module exported presses
Key signals carry out sampling and analog-to-digital conversion, to obtain the electricity of the actual voltage value and the push button signalling of the voltage detection signal
Pressure value；
At this point, the determining module is according to each key assignments received and the virtual voltage of corresponding voltage detection signal
Value, determines the corresponding voltage range of each key assignments and preserves.
In the present embodiment, it is described for terminal and keypad be adapted to detection device further include respectively with the master control core
DAC (Digital to analog converter, the digital analog converter) modules and ADC (Analog to of piece connection
Digital Converter, analog-digital converter) module.Wherein, the DAC module is also connect with terminal control chip, when
When the voltage detection signal of 10 output digit signals format of output module, the DAC module examines the voltage of digital signals format
It surveys after signal is converted into analog signal and is transmitted to the terminal.The terminal is in the voltage detecting letter for receiving analog signal format
After number, the corresponding key assignments of the voltage detection signal is identified, or identify that the voltage detection signal corresponds to invalid value.Specifically identified
Journey is as described in the first embodiment, and details are not described herein.
Since the actual voltage value that the predeterminated voltage that output module 10 exports detects signal may be with the voltage of estimated output
There are certain errors for value, therefore, in the present embodiment, when the DAC module is by the voltage detection signal of digital signals format
After being converted into analog signal, the ADC module carries out the voltage detection signal for the analog signal format that the DAC module exports
Sampling, and the voltage detection signal sampled is subjected to analog-to-digital conversion, to obtain the actual voltage value of the voltage detection signal.
Determining module 20 determines each key assignments according to each key assignments received and the actual voltage value of corresponding voltage detection signal
Corresponding voltage range simultaneously preserves.
Also, in the present embodiment, the ADC module is connect with the keypad, when pressing on user's pressing keys plate
When key triggers push button signalling, the push button signalling is analog signal, and the ADC module samples the push button signalling, and
The push button signalling sampled is subjected to analog-to-digital conversion, to obtain the voltage value of the push button signalling.
Further, in the present embodiment, the voltage detection signal be voltage value since 0V simultaneously according to default unit
Level signal incremented by successively, the processing module 40 are additionally operable to：
Judge whether the voltage value of the voltage detection signal is greater than or equal to predetermined voltage threshold, and is in judging result
Output module is controlled when being to stop exporting the voltage detection signal.
In the present embodiment, output module 10 export each predeterminated voltage detection signal be voltage value since 0V and according to
According to default unit level signal incremented by successively, such as the level signal to be sequentially increased according to the progressive law of 0.01V.Defeated
After going out 10 each voltage sense signal of module, processing module 40 judges whether the voltage value of the voltage detection signal is more than
Or it is equal to predetermined voltage threshold.For example, pre-setting the predetermined voltage threshold is equal to supply voltage, then processing module 40 judges
Whether the voltage value of the voltage detection signal is greater than or equal to supply voltage.When the voltage detection signal that output module 10 exports
Voltage value be less than the predetermined voltage threshold when, output module 10 continues to output voltage detection signal；When output module 10 is defeated
When the voltage value of the voltage detection signal gone out is greater than or equal to the predetermined voltage threshold, processing module 40 controls output module 10
Stop voltage sense signal namely 10 voltage sense signal of output module is completed.
Further, as shown in figure 4, in the present embodiment, the determining module 20 includes：
Processing unit 21 will be described in the corresponding key assignments of the voltage detection signal that receives terminal feedback
The voltage value of voltage detection signal is associated with the key assignments received；
Statistic unit 22, for when the voltage detection signal exports completion, counting the associated multiple electricity of each key assignments
Maximum voltage value in pressure value and minimum amount of voltage that；
Determination unit 23, for according to the corresponding maximum voltage value of each key assignments and minimum amount of voltage that, determining each key assignments
Corresponding voltage range.
In the present embodiment, when receiving the terminal feedback voltage detection corresponding key assignments of signal every time, processing unit 21
The key assignments is associated with the voltage value of the voltage detection signal.When 10 voltage sense signal of output module is completed, system
Meter unit 22 counts the associated multiple voltage values of each key assignments, and each key assignments is obtained from the associated multiple voltage values of each key assignments
Associated maximum voltage value and minimum amount of voltage that.Then, it is determined that unit 23 is according to the associated maximum voltage value of each key assignments and most
Small voltage value determines the corresponding voltage range of each key assignments.For example, if some key assignments that statistic unit 22 obtains terminal closes
The maximum voltage value of connection is 0.56v, and associated minimum amount of voltage that is 0.12v, it is determined that unit 23 determines the corresponding electricity of the key assignments
It is [0.12,0.56] v between pressure area.
Further, in the present embodiment, described for terminal with the detection device that is adapted to of keypad further includes display screen.
The display screen can be LCD liquid crystal display screen, and this is not restricted.The each key assignments of display screen display terminal can be passed through
Corresponding voltage range, the corresponding voltage value of push button signalling, and in the terminal and the keypad discomfort timing, display is not
The prompt message of adaptation.
The present embodiment propose scheme, output module 10 export each voltage detection signal be voltage value since 0V simultaneously
The level signal incremented by successively according to unit is preset, until the voltage value of voltage detection signal is greater than or equal to predetermined voltage threshold
When, processing module 40 controls output module 10 and stops voltage sense signal.By the electricity for gradually increasing voltage detection signal
Pressure value can be accurately determined the corresponding voltage value of each key assignments of terminal, to accurately obtain the corresponding voltage zone of each key assignments
Between, realization more accurately detects the problem of whether terminal is adapted to keypad, to further effectively prevent terminal assembly not
The keypad of adaptation.
The present invention further provides a kind of detection methods that is adapted to for terminal and keypad, are this hair with reference to Fig. 5, Fig. 5
The bright flow diagram for being adapted to detection method first embodiment for terminal and keypad.
In the present embodiment, what this was used for terminal and keypad is adapted to that detection method includes the following steps：
Step S10 exports preset voltage detection signal to terminal；
Step S20, the terminal inquiry simultaneously feed back the key assignments corresponding to the voltage value of the voltage detection signal；
In the present embodiment, before terminal and keypad assembly, using being used for described in above-mentioned apparatus embodiment of the present invention
Terminal is adapted to detection device (being hereinafter referred to as adapted to detection device) with keypad, through the invention be used for terminal and keypad
Adaptation detection method detection terminal whether be adapted to keypad.As shown in Figure 1, adaptation detection device is connected to terminal control core
Between piece and keypad.Wherein, the terminal includes but not limited to the equipment that television set, mobile phone etc. have button.It is each whole
In production, producer is provided with corresponding voltage range to the key assignments of each function button of terminal at end.Due to different factories
It is currently not unite that there are different setting standards namely the corresponding voltage range of each key assignments in family to the corresponding voltage range of key assignments
As defined in one.For example, the corresponding voltage range of key assignments of " increase volume " function button is 0-0.5v in a terminal, and
The corresponding voltage range of key assignments of " increase volume " function button is 0.2-0.8v in another terminal.It is thus necessary to determine that going out end
Hold the corresponding voltage range of each key assignments.
In the present embodiment, it is corresponding to obtain each key assignments of terminal by using voltage detection signal for adaptation detection device
Voltage range.Specifically, adaptation detection device exports preset each voltage detection signal to the terminal.Wherein, the end
Preset key assignments and voltage value relation table are stored in end.When the terminal receives the voltage detecting of adaptation detection device output
When signal, preset key assignments described in the terminal inquiry and voltage value relation table, inquiry whether there is and voltage detection signal
The corresponding key assignments of voltage value.If for example, the preset key assignments and the corresponding pass that voltage value relation table is key assignments and voltage range
It is table, terminal inquiry is in the mapping table of the key assignments and voltage range, the electricity of the voltage detection signal received
Whether pressure value is in the corresponding voltage range of a certain key assignments.When inquiring the voltage value of the voltage detection signal in a certain key assignments
When in corresponding voltage range, namely inquire the corresponding key assignments of voltage value of the voltage detection signal；Otherwise, it namely does not look into
Ask the corresponding key assignments of voltage value of the voltage detection signal.Terminal is in the voltage value pair for inquiring the voltage detection signal
When the key assignments answered, the key assignments that feedback query arrives is to the adaptation detection device, namely feeds back the voltage of the voltage detection signal
It is worth corresponding key assignments to the adaptation detection device.Terminal is in the corresponding key of voltage value for not inquiring the voltage detection signal
When value namely when corresponding key assignments is not present for the voltage value of the voltage detection signal, feedback invalid value to the adaptation detects
Device.
Step S30 determines each key according to the voltage value of each key assignments and corresponding voltage detection signal that receive
It is worth corresponding voltage range and preserves；
After one voltage detection signal to the terminal of output every time, it is anti-that adaptation detection device can receive the terminal
The key assignments of feedback, or receive the invalid value of the terminal feedback.Wherein, adaptation detection device exports multiple voltage detecting letters
Number, terminal may feed back the same key assignments, namely adaptation detection device is likely to be received the terminal and repeatedly feeds back the same key
Value.Detection device is adapted to according to the key assignments received every time, and the voltage detection signal corresponding to the key assignments that receives every time
Voltage value, determine the corresponding voltage range of each key assignments and preserve.For example, there is the voltage value pair of 5 voltage detection signals
The key assignments for answering " increasing volume " function button is then adapted to detection device and determines " increasing according to the voltage value of this 5 voltage detection signals
The corresponding voltage range of key assignments of big volume " function button simultaneously preserves；There is the voltage value of 8 voltage detection signals to correspond to " to reduce
The key assignments of volume " function button is then adapted to detection device and is determined " reducing volume " according to the voltage value of this 8 voltage detection signals
The corresponding voltage range of key assignments of function button simultaneously preserves.
Step S40 is detected whether the push button signalling triggered based on keypad, and is obtained when detecting the push button signalling
Take the corresponding voltage value of the push button signalling；
After the corresponding voltage range of each key assignments of terminal is determined, adaptation detection device then obtains that keypad is each to be pressed
The corresponding voltage value of key.Below by taking any button on keypad as an example, illustrated to obtaining button corresponding voltage value.Work as user
After button on pressing keys plate, the corresponding push button signalling of the button is generated, the push button signalling is transmitted to adaptation detection device.
Adaptation detection device detects whether the push button signalling triggered based on keypad, when detecting the push button signalling, adaptation inspection
It surveys device and obtains the corresponding voltage value of the push button signalling.
Step S50 determines the position relationship of the corresponding voltage value of the push button signalling and each voltage range, and root
Judge whether the terminal is adapted to the keypad according to the position relationship.
After getting push button signalling corresponding voltage value, adaptation detection device is by the corresponding voltage value of the push button signalling
Voltage range corresponding with each key assignments of the terminal of preservation is compared, and determines the corresponding voltage value of the push button signalling and preserves
The corresponding voltage range of each key assignments of terminal position relationship, and according to determining position relationship judge the terminal with it is described
Whether keypad is adapted to.Specifically, the step S50 includes：
Step a the corresponding voltage value of the push button signalling is compared with each voltage range, described in determination
The position relationship of push button signalling corresponding voltage value and the voltage range；
Step b is not belonging to any voltage section in the corresponding voltage value of the push button signalling or the push button signalling corresponds to
Voltage value belong to a wherein voltage range but with the difference of the critical voltage value of the voltage range be less than predeterminated voltage difference threshold
When value, judge that the terminal is not adapted to the keypad.
In the present embodiment, adaptation detection device answers each key-value pair of the terminal of the voltage value and preservation that get
Voltage range be compared, judge whether the voltage value got belongs to the corresponding voltage zone of terminal some key assignments
Between.If the voltage value got is not belonging to the corresponding voltage range of any button of the terminal preserved, namely to the end
For end, the corresponding button of the push button signalling is failure, and adaptation detection device judges the terminal and the keypad not
Adaptation.
If adaptation detection device judges that the voltage value got belongs to the corresponding electricity of a certain button of the terminal of preservation
Between pressure area, then it is adapted to detection device and further calculates each of the voltage value got voltage range corresponding with the key assignments
The absolute difference of critical voltage value.In general, there are two critical voltage value, adaptation detection device difference for the corresponding voltage range of key assignments
Calculate the absolute difference of two critical voltage values of the voltage value voltage range corresponding with the key assignments got.In this reality
It applies in example, is previously provided with a predeterminated voltage difference threshold value, the predeterminated voltage difference threshold value is flexibly arranged according to actual conditions, herein
It is not restricted.In the absolute difference of the critical voltage value of calculated voltage value voltage range corresponding with the key assignments,
Judge whether that absolute difference is less than the predeterminated voltage difference threshold value.If there are a certain absolute differences to be less than the predeterminated voltage
Poor threshold value, namely the corresponding voltage value of the explanation push button signalling is close to the critical voltage of the corresponding voltage range of the key assignments
Value, in this case, it cannot be guaranteed that the key assignments is the key assignments of the corresponding button of the push button signalling, therefore, adaptation detection
Device judges that the terminal is not adapted to the keypad.If there is no a certain absolute differences to be less than the predeterminated voltage difference threshold
Value, namely the absolute difference of any critical voltage value of the voltage value voltage range corresponding with the key assignments of acquisition are big
In or equal to the predeterminated voltage difference threshold value, then it is adapted to detection device and judges that the key assignments is that the push button signalling is corresponding
The key assignments of button.
The scheme that the present embodiment proposes, it is each preset by being adapted to detection device output before terminal assembles keypad
After voltage detection signal to terminal, according to each key assignments of terminal feedback and the voltage of each corresponding voltage detection signal
Value, determines the corresponding voltage range of each key assignments of terminal and preserves, later when the button on user's pressing keys plate, detecting
When push button signalling based on keypad triggering, adaptation detection device obtains the corresponding voltage value of push button signalling, and is believed according to button
Number corresponding voltage value judges whether terminal is adapted to keypad with the position relationship of voltage range, it is thereby achieved that in terminal
Keypad assembly before, detect whether terminal is adapted to keypad in time, so as to ought detect that uncomfortable timing is rectified and improved, from
And it effectively prevents terminal and assembles the keypad not being adapted to.
Further, with reference to Fig. 6, propose that the present invention is adapted to detection side for terminal and keypad based on first embodiment
Method second embodiment, in the present embodiment, the step S30 includes：
Step S31, in the corresponding key assignments of the voltage detection signal that receives terminal feedback, by the voltage detecting
The voltage value of signal is associated with the key assignments received；
Step S32 is counted when the voltage detection signal exports completion in the associated multiple voltage values of each key assignments
Maximum voltage value and minimum amount of voltage that；
Step S33 determines the corresponding electricity of each key assignments according to the corresponding maximum voltage value of each key assignments and minimum amount of voltage that
Between pressure area.
In the present embodiment, when receiving the terminal feedback voltage detection corresponding key assignments of signal every time, adaptation detection dress
It sets and is associated with the key assignments with the voltage value of the voltage detection signal.When voltage sense signal is completed, adaptation detection dress
The each associated multiple voltage values of key assignments of statistics are set, it is associated to obtain each key assignments from the associated multiple voltage values of each key assignments
Maximum voltage value and minimum amount of voltage that.Then, it according to the associated maximum voltage value of each key assignments and minimum amount of voltage that, determines each
The corresponding voltage range of a key assignments.If for example, statistics obtain terminal the associated maximum voltage value of some key assignments be 0.56v,
Associated minimum amount of voltage that is 0.12v, then is adapted to detection device and determines that the corresponding voltage range of the key assignments is [0.12,0.56] v.
Further, in the present embodiment, the voltage detection signal be voltage value since 0V simultaneously according to default unit
Level signal incremented by successively after the step S10, further includes：
Step c, judges whether the voltage value of the voltage detection signal is greater than or equal to predetermined voltage threshold, and is judging
As a result it is that control output module stops exporting the voltage detection signal when being.
In the present embodiment, adaptation detection device output each predeterminated voltage detection signal be voltage value since 0V simultaneously
The level signal incremented by successively according to unit is preset, such as the level signal to be sequentially increased according to the progressive law of 0.01V.?
After each voltage sense signal, adaptation detection device detects the voltage value of the voltage detection signal.It is described detecting
When the voltage value of voltage detection signal, adaptation detection device judges whether the voltage value of the voltage detection signal is greater than or equal to
Predetermined voltage threshold.For example, pre-setting the predetermined voltage threshold is equal to supply voltage, then it is adapted to described in detection device judgement
Whether the voltage value of voltage detection signal is greater than or equal to supply voltage.Described in being less than when the voltage value of the voltage detection signal
When predetermined voltage threshold, adaptation detection device continues to output voltage detection signal.When the voltage value of the voltage detection signal is big
When the predetermined voltage threshold, adaptation detection device stops voltage sense signal namely voltage detection signal
Output is completed.
Further, in the present embodiment, the adaptation detection device further includes display screen.The display screen can be
LCD liquid crystal display screen, this is not restricted.The corresponding voltage range of each key assignments of terminal is determined when being adapted to detection device, with
And after getting the corresponding voltage value of push button signalling, by the corresponding voltage range of each key assignments of display screen display terminal,
The corresponding voltage value of push button signalling.And judging the terminal and the keypad discomfort timing, show the prompt letter not being adapted to
Breath.
The scheme that the present embodiment proposes, each voltage detection signal that adaptation detection device exports are voltage value since 0V
And the level signal incremented by successively according to default unit, until the voltage value of voltage detection signal is greater than or equal to predeterminated voltage threshold
When value, stop voltage sense signal.By gradually increasing the voltage value of voltage detection signal, terminal can be accurately determined
The corresponding voltage value of each key assignments, to accurately obtain the corresponding voltage range of each key assignments, realization more accurately detects out
The problem of whether terminal is adapted to keypad, the keypad not being adapted to further effectively prevent terminal to assemble.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of being adapted to detection device for terminal and keypad, which is characterized in that described for the suitable of terminal and keypad
It is connected between terminal control chip and keypad with detection device, it is described to be adapted to detection device for terminal and keypad
Including main control chip, the main control chip includes：
Output module, for exporting preset voltage detection signal to terminal, the terminal inquiry simultaneously feeds back the voltage detecting
Key assignments corresponding to the voltage value of signal；
Determining module determines each for the voltage value according to each key assignments and corresponding voltage detection signal received
The corresponding voltage range of key assignments simultaneously preserves；
Acquisition module, for when detecting the push button signalling triggered based on keypad, obtaining the corresponding voltage value of push button signalling；
Processing module, the position relationship for determining the corresponding voltage value of the push button signalling and each voltage range, and
Judge whether the terminal is adapted to the keypad according to the position relationship.
2. being adapted to detection device for terminal and keypad as described in claim 1, which is characterized in that the processing module
Including：
Comparing unit, for the corresponding voltage value of the push button signalling to be compared with each voltage range, with determination
The position relationship of the push button signalling corresponding voltage value and the voltage range；
Judging unit, for being not belonging to any voltage section or the push button signalling pair in the corresponding voltage value of the push button signalling
The voltage value answered belong to a wherein voltage range but with the difference of the critical voltage value of the voltage range be less than predeterminated voltage it is poor
When threshold value, judge that the terminal is not adapted to the keypad.
3. being adapted to detection device for terminal and keypad as described in claim 1, which is characterized in that described to be used for terminal
Further include the DAC module and ADC module being connect respectively with the main control chip with the adaptation detection device of keypad, wherein：
The DAC module, the voltage detection signal for exporting the output module are transmitted to institute after being converted into analog signal
State terminal；
The button of the ADC module, voltage detection signal and keypad output for being exported to the DAC module is believed
Sampling and analog-to-digital conversion number are carried out, to obtain the voltage of the actual voltage value and the push button signalling of the voltage detection signal
Value；
Wherein, the determining module is according to each key assignments received and the actual voltage value of corresponding voltage detection signal,
It determines the corresponding voltage range of each key assignments and preserves.
4. being adapted to detection device for terminal and keypad as described in claim 1, which is characterized in that the voltage detecting
Signal is voltage value level signal simultaneously incremented by successively according to default unit since 0V, and the processing module is additionally operable to：
Judge whether the voltage value of the voltage detection signal is greater than or equal to predetermined voltage threshold, and when the determination result is yes
Output module is controlled to stop exporting the voltage detection signal.
5. being adapted to detection device for terminal and keypad as claimed in claim 4, which is characterized in that the determining module
Including：
Processing unit, in the corresponding key assignments of the voltage detection signal that receives terminal feedback, the voltage to be examined
The voltage value for surveying signal is associated with the key assignments received；
Statistic unit, for when the voltage detection signal exports completion, counting in the associated multiple voltage values of each key assignments
Maximum voltage value and minimum amount of voltage that；
Determination unit, for according to the corresponding maximum voltage value of each key assignments and minimum amount of voltage that, determining that each key assignments is corresponding
Voltage range.
6. a kind of being adapted to detection method for terminal and keypad, which is characterized in that described for the suitable of terminal and keypad
With detection method includes the following steps：
Preset voltage detection signal is exported to terminal；
The terminal inquiry simultaneously feeds back the key assignments corresponding to the voltage value of the voltage detection signal；
According to the voltage value of each key assignments and corresponding voltage detection signal that receive, the corresponding voltage of each key assignments is determined
Section simultaneously preserves；
It detects whether the push button signalling triggered based on keypad, and obtains the button letter when detecting the push button signalling
Number corresponding voltage value；
It determines the position relationship of the corresponding voltage value of the push button signalling and each voltage range, and is closed according to the position
System judges whether the terminal is adapted to the keypad.
7. being adapted to detection method for terminal and keypad as claimed in claim 6, which is characterized in that described in the determination
The position relationship of the corresponding voltage value of push button signalling and each voltage range, and the end is judged according to the position relationship
Hold that the step of whether being adapted to the keypad includes：
The corresponding voltage value of the push button signalling is compared with each voltage range, with the determination push button signalling pair
The position relationship of the voltage value and the voltage range answered；
It is not belonging to any voltage section or the corresponding voltage value category of the push button signalling in the corresponding voltage value of the push button signalling
In a wherein voltage range but with the difference of the critical voltage value of the voltage range be less than predeterminated voltage difference threshold value when, judge institute
Terminal is stated not to be adapted to the keypad.
8. being adapted to detection method for terminal and keypad as claimed in claim 6, which is characterized in that the voltage detecting
Signal is voltage value level signal simultaneously incremented by successively according to default unit since 0V, the preset voltage detecting letter of output
Number to after the step of terminal, further include：
Judge whether the voltage value of the voltage detection signal is greater than or equal to predetermined voltage threshold, and when the determination result is yes
Stop exporting the voltage detection signal.
9. being adapted to detection method for terminal and keypad as claimed in claim 8, which is characterized in that described according to reception
The voltage value of each key assignments and corresponding voltage detection signal that arrive, the step of determining each key assignments corresponding voltage range, wrap
It includes：
In the corresponding key assignments of the voltage detection signal that receives terminal feedback, by the voltage value of the voltage detection signal
It is associated with the key assignments received；
The voltage detection signal export complete when, count maximum voltage value in the associated multiple voltage values of each key assignments with
Minimum amount of voltage that；
According to the corresponding maximum voltage value of each key assignments and minimum amount of voltage that, the corresponding voltage range of each key assignments is determined.
10. as claim 6-9 any one of them is adapted to detection method for terminal and keypad, which is characterized in that institute
The preset voltage detection signal of output is stated to after the step of terminal, further includes：
The voltage detection signal of acquisition output in real time is simultaneously described to obtain to voltage detection signal progress analog-to-digital conversion
The actual voltage value of voltage detection signal；
The voltage value of each key assignments and corresponding voltage detection signal that the basis receives determines that each key assignments is corresponding
Voltage range and preserve be specially：
According to the actual voltage value of each key assignments and corresponding voltage detection signal that receive, determine that each key assignments is corresponding
Voltage range simultaneously preserves.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511028069.6A CN105652193B (en) | 2015-12-31 | 2015-12-31 | It is adapted to detection device and method for terminal and keypad |
| PCT/CN2016/085039 WO2017113615A1 (en) | 2015-12-31 | 2016-06-07 | Detection apparatus and method for adaptation of terminal to button board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201511028069.6A CN105652193B (en) | 2015-12-31 | 2015-12-31 | It is adapted to detection device and method for terminal and keypad |
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| CN105652193B true CN105652193B (en) | 2018-11-02 |
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| CN110959256B (en) * | 2019-10-31 | 2024-01-23 | 深圳市汇顶科技股份有限公司 | Control method, MCU, touch equipment and storage medium |
| CN113422597B (en) * | 2021-06-29 | 2023-10-10 | 中微半导体(深圳)股份有限公司 | Touch key value self-adapting circuit and method |
| CN115793869B (en) * | 2022-10-27 | 2023-08-25 | 广芯微电子（广州）股份有限公司 | Key state identification method and device |
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| CN105652193A (en) | 2016-06-08 |
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