CN107391399A - A kind of mobile terminal and its SD card detection control method for frequency and storage medium - Google Patents
A kind of mobile terminal and its SD card detection control method for frequency and storage medium Download PDFInfo
- Publication number
- CN107391399A CN107391399A CN201710545733.7A CN201710545733A CN107391399A CN 107391399 A CN107391399 A CN 107391399A CN 201710545733 A CN201710545733 A CN 201710545733A CN 107391399 A CN107391399 A CN 107391399A
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- Prior art keywords
- card
- frequency
- mobile terminal
- control method
- detection control
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
- H04B1/3818—Arrangements for facilitating insertion or removal of identification devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a kind of mobile terminal and its SD card detection control method for frequency and storage medium, methods described to start the distance change that proximity transducer detects its objects in front by being positioned proximate to sensor near neck；It is the second preset value when proximity transducer detects that distance there are the first default value changes, or then judges whether SD card is in place by sending instruction to SD card with higher first frequency from the second default value changes for the first preset value, and continuously carries out 10 seconds；Otherwise judge whether SD card is in place by sending instruction to SD card with relatively low second frequency.The purpose of SD card can be changed in the case where not influenceing to realize mobile terminal-opening state in the prior art by this method, while the metal clips for being used for SD card detection on deck in the prior art can be removed, reach the purpose for reducing deck volume.
Description
Technical field
The present invention relates to field of mobile terminals, more particularly to a kind of mobile terminal and its SD card detection FREQUENCY CONTROL side
Method and storage medium.
Background technology
In the prior art, the detection to SD card insertion under mobile terminal-opening state can have been realized, thereby using
Exempt to change the worry that SD card needs to shut down every time in family.
In the prior art, adopted for the SD card insertion detection under mobile terminal-opening state and use following scheme：Need
Extra one GPIO pin of increase is used for the interruption detection for realizing SD card insertion on SD card seat；Therefore, except SD card sheet on deck
The interruption detection that a pin is used for SD card insertion is also needed to outside the pin of body function.
As shown in figure 1, be the schematic diagram of the most frequently used SD card insertion deck in the prior art, when being not inserted into SD card in deck
When GPIO pin meet a resistance Rp and be pulled to VLDO；When being not inserted into SD card in deck, metal clips is pulled to VLDO, is
High level；After SD card inserts deck, metal clips is in contact with deck, and deck wall is ground connection, therefore, at metal clips
For low level；Therefore, central processing unit only need to be which kind of level can judge whether SD card inserts deck according to metal clips.
The defects of prior art, is that the metal clips of detection SD card insertion is located in deck, causes deck volume larger.
In addition, unavoidable elasticity changes metal clips after a number of uses, the detection of SD card insertion is influenceed..
Therefore, prior art has yet to be improved and developed.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, there is provided a kind of mobile terminal and
Its SD card detects control method for frequency and storage medium.The present invention can not influence to realize that mobile terminal is opened in the prior art
The purpose of SD card is changed under machine state, while the metal clips for being used for SD card detection on deck in the prior art can be removed, is reached
To the purpose for reducing deck volume.
The technical proposal for solving the technical problem of the invention is as follows：
A kind of mobile terminal SD card detects control method for frequency, wherein, including：
A, sensor is positioned proximate on the neck side of mobile terminal SD card, and start proximity transducer detect its objects in front away from
From change；
B, it is the second preset value when proximity transducer detects that distance presets value changes from first, or is by the second default value changes
First preset value then performs C, otherwise performs D；
C, judge whether SD card is in place by sending instruction to SD card with first frequency, and continuously carried out for first scheduled time；
D, judge whether SD card is in place by sending instruction to SD card with second frequency.
The mobile terminal SD card detects control method for frequency, wherein, the proximity transducer in the step A needs to set
Near the neck of SD card, outside the point facing moving terminal of its detecting distance.
The mobile terminal SD card detects control method for frequency, wherein, the first preset value and second in the step B are pre-
If the value of value should be respectively less than 5 centimetres, and need to differ larger in 5 cm ranges.
The mobile terminal SD card detects control method for frequency, wherein, the first preset value in the step B is 0.5 li
Rice, the second preset value are 4 centimetres, and first scheduled time is 10 seconds.
The mobile terminal SD card detects control method for frequency, wherein, the step C includes：Set and come with first frequency
Perform following steps：
Judge whether SD card is in place by sending instruction to SD card, and continuously carry out 10 seconds.
The mobile terminal SD card detects control method for frequency, wherein, first frequency is preferably described in the step C
1 time/second；Second frequency described in the step D is preferably 10 seconds 1 time.
The mobile terminal SD card detects control method for frequency, wherein, the step D includes：Set and come with second frequency
Perform following steps：Judge whether SD card is in place by sending instruction to SD card.
The mobile terminal SD card detects control method for frequency, wherein, in the step C or D by being sent to SD card
Instruction judges whether SD card specifically includes in place：
The value of the CID registers of SD card is obtained, including：
S1, order CMD0, the software initialization for SD card are sent to SD card；
S2, order CMD10 is sent to SD card, for obtaining the content of SD card CID registers；
S3, read response of the SD card for CMD10.
A kind of mobile terminal, wherein, including processor, and the memory being connected with the processor,
The memory storage has computer program, and any one mobile terminal SD is realized when the computer program is executed by processor
The step of card detection control method for frequency；
The processor is used to call the programmed instruction in the memory, to perform the detection of any of the above-described mobile terminal SD card
The step of control method for frequency.
A kind of storage medium, wherein, the storage medium is stored with computer program, and the computer program is held by processor
Any one of during row the step of the mobile terminal SD card detection control method for frequency.
Mobile terminal provided by the present invention and its SD card detection control method for frequency and storage medium, methods described are led to
Cross and sensor is positioned proximate near neck, and start the distance change that proximity transducer detects its objects in front；Passed when close
It is the second preset value that sensor, which detects that distance has the first default value changes, or by the second default value changes for the first preset value then with
Higher first frequency judges whether SD card is in place by sending instruction to SD card, and continuously carries out 10 seconds；Otherwise with relatively low
Second frequency judges whether SD card is in place by sending instruction to SD card.It can not influence in the prior art by this method
The purpose that SD card is changed under mobile terminal-opening state is realized, while can remove and be used for SD card detection on deck in the prior art
Metal clips, reach reduce deck volume purpose.
Brief description of the drawings
Fig. 1 is prior art mobile terminal SD card structural representation.
Fig. 2 is the flow chart of the preferred embodiment of mobile terminal SD card detection control method for frequency of the present invention.
Fig. 3 show the position view that proximity transducer of the present invention is set.
Fig. 4 is mobile terminal preferred embodiment functional schematic block diagram of the present invention.
Embodiment
To make the objects, technical solutions and advantages of the present invention clearer, clear and definite, develop simultaneously embodiment pair referring to the drawings
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Fig. 2 is referred to, Fig. 2 is the flow of the preferred embodiment of mobile terminal SD card detection control method for frequency of the present invention
Figure.As shown in Fig. 2 a kind of mobile terminal SD card detection control method for frequency described in the embodiment of the present invention, comprises the following steps：
Step S100, sensor is positioned proximate on the neck side of mobile terminal SD card, and starts proximity transducer and detect its front
The distance change of object.
Proximity transducer needs to be arranged near the neck of SD card in the present invention, the point facing moving terminal of its detecting distance
Outside.As shown in figure 3, in Fig. 3,10 is insert the place of SD card, and 20 be the side of mobile terminal, and 30 be proximity transducer position.
As shown in figure 3, because proximity transducer is arranged near the neck of SD card, will necessarily draw when user plugs SD card
Hair proximity transducer detects the distance change of objects in front.
Step S200, it is the second preset value when proximity transducer detects that distance presets value changes from first, or by second
Default value changes are that the first preset value then performs step S300, otherwise perform step S400.
I.e. in the present invention, when proximity transducer detects that the distance of SD card insertion SD card slot is from the first default value changes
Second preset value, or step S300 is then performed for the first preset value by the second default value changes, otherwise perform step S400.
In the present invention, it is preferred that the value of first preset value and the second preset value should be respectively less than 5 centimetres, and need to be at 5 lis
Differ larger in the range of rice.Such as it is preferred that first preset value is 0.5 centimetre, the second preset value is 4 centimetres.
Step S300, judge whether SD card is in place by sending instruction to SD card with first frequency, and continuously carry out first
The scheduled time.
In the present invention, judge whether SD card is in place by sending instruction to SD card with higher first frequency, and persistently hold
The scheduled time of row first, wherein, first scheduled time is preferably 10 seconds.
In this step：Set and following steps are performed with first frequency：
Judge whether SD card is in place by sending instruction to SD card, and continuously carry out 10 seconds.Wherein, the first frequency is preferably
For 1 time/second.
That is in the embodiment of the present invention with the frequency of 1 time/second by SD card send instruction judge SD card whether
Position, illustrates that SD card is in place when the order meets with a response, otherwise illustrates that SD card is not in place；The process is changed to hold after continuing 10 seconds
Row step S400.
For example, to send the order of reading CID register values to SD card, if we successfully have read SD card CID deposits
Device value then illustrates that SD card is in place, otherwise illustrates that SD card is not in place；The value of the CID registers of SD card is specifically obtained, including：
S1, order CMD0, the software initialization for SD card are sent to SD card；
S2, order CMD10 is sent to SD card, for obtaining the content of SD card CID registers；
S3, response of the SD card for CMD10 is read, the response is the value of CID registers, illustrates that SD card is in place；If do not ring
It should then illustrate that SD card is not in place.
Step S400, judge whether SD card is in place by sending instruction to SD card with second frequency.
In this step, set and following steps are performed with second frequency：By sending whether instruction judges SD card to SD card
In place.The second frequency is preferably 10 seconds 1 time.
That is judge whether SD card is in place by sending instruction to SD card with the frequency of 10 seconds 1 time, when this is ordered
To illustrating that SD card is in place during response, otherwise illustrate that SD card is not in place；When in step S200 being "Yes", this step can stop performing
Change by step S300 to perform within 10 seconds, remaining this step will perform always.
Judge SD card process whether in place on sending instruction to SD card；It is exemplified below, the present invention to SD card to send
The order of CID register values is read, illustrates that SD card is in place if it successfully have read SD card CID register values, otherwise illustrates SD
Card is not in place；The value of the CID registers of SD card is specifically obtained, including：
S1, order CMD0, the software initialization for SD card are sent to SD card；
S2, order CMD10 is sent to SD card, for obtaining the content of SD card CID registers；
S3, response of the SD card for CMD10 is read, the response is the value of CID registers, illustrates that SD card is in place；If do not ring
It should then illustrate that SD card is not in place.
Therefore a kind of mobile terminal SD card detection control method for frequency of the present invention, methods described passes through attached in neck
Sensor closely is positioned proximate to, and starts the distance change that proximity transducer detects its objects in front；When proximity transducer detects
It is the second preset value that distance, which has the first default value changes, or by the second default value changes is the first preset value then with higher first
Frequency judges whether SD card is in place by sending instruction to SD card, and continuously carries out 10 seconds；Otherwise led to relatively low second frequency
Cross to send to instruct to SD card and judge whether SD card is in place.It can not influence to realize movement eventually in the prior art by this method
The purpose that SD card is changed under open state is held, while the metal elastic for being used for SD card detection on deck in the prior art can be removed
Piece, reach the purpose for reducing deck volume.
Certainly, one of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method,
It is that related hardware can be instructed by computer program（Such as processor, controller etc.）To complete, described program can store
In a computer-readable storage medium, the program may include such as the flow of above-mentioned each method embodiment upon execution.Its
Described in storage medium can be memory, magnetic disc, CD etc..
Embodiment two
The embodiment of the present invention additionally provides a kind of mobile terminal, as shown in figure 4, the mobile terminal includes processor 10, and
The memory 20 being connected with the processor 10；
The memory 20 is stored with computer program, realizes that as above any one is real when the computer program is performed by processor 10
Apply a step of mobile terminal SD card detects control method for frequency；
The processor 10 is used to call the programmed instruction in the memory, to perform any of the above-described embodiment mobile terminal
SD card detects the step of control method for frequency.As detailed above.
Embodiment three
A kind of storage medium of the embodiment of the present invention, wherein, the storage medium is stored with computer program, the computer program quilt
Processor 10 realizes the step of any of the above-described mobile terminal SD card detects control method for frequency when performing, as detailed above.
In summary, mobile terminal provided by the present invention and its SD card detection control method for frequency and storage medium, institute
Method is stated by being positioned proximate to sensor near neck, and starts the distance change that proximity transducer detects its objects in front；
It is the second preset value when proximity transducer detects that distance has the first default value changes, or it is pre- for first by the second default value changes
If value then judges whether SD card is in place with higher first frequency by sending instruction to SD card, and continuously carries out 10 seconds；Otherwise
Judge whether SD card is in place by sending instruction to SD card with relatively low second frequency.It can not influence now by this method
There is the purpose realized in technology and SD card is changed under mobile terminal-opening state, while can remove and be used in the prior art on deck
The metal clips of SD card detection, reaches the purpose for reducing deck volume.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (10)
1. a kind of mobile terminal SD card detects control method for frequency, it is characterised in that including：
A, sensor is positioned proximate on the neck side of mobile terminal SD card, and start proximity transducer detect its objects in front away from
From change；
B, it is the second preset value when proximity transducer detects that distance presets value changes from first, or is by the second default value changes
First preset value then performs C, otherwise performs D；
C, judge whether SD card is in place by sending instruction to SD card with first frequency, and continuously carried out for first scheduled time；
D, judge whether SD card is in place by sending instruction to SD card with second frequency.
2. mobile terminal SD card detection control method for frequency according to claim 1, it is characterised in that in the step A
Proximity transducer needs to be arranged near the neck of SD card, outside the point facing moving terminal of its detecting distance.
3. mobile terminal SD card detection control method for frequency according to claim 1, it is characterised in that in the step B
The value of first preset value and the second preset value should be respectively less than 5 centimetres, and need to differ larger in 5 cm ranges.
4. mobile terminal SD card detection control method for frequency according to claim 1, it is characterised in that in the step B
First preset value is 0.5 centimetre, and the second preset value is 4 centimetres, and first scheduled time is 10 seconds.
5. mobile terminal SD card detection control method for frequency according to claim 1, it is characterised in that the step C includes：
Set and following steps are performed with first frequency：
Judge whether SD card is in place by sending instruction to SD card, and continuously carry out 10 seconds.
6. mobile terminal SD card detection control method for frequency according to claim 1, it is characterised in that institute in the step C
State first frequency and be preferably 1 time/second；Second frequency described in the step D is preferably 10 seconds 1 time.
7. mobile terminal SD card detection control method for frequency according to claim 1, it is characterised in that the step D includes：
Set and following steps are performed with second frequency：Judge whether SD card is in place by sending instruction to SD card.
8. mobile terminal SD card detection control method for frequency according to claim 1, it is characterised in that in the step C or D
By to SD card send instruction judge whether SD card specifically includes in place：
The value of the CID registers of SD card is obtained, including：
S1, order CMD0, the software initialization for SD card are sent to SD card；
S2, order CMD10 is sent to SD card, for obtaining the content of SD card CID registers；
S3, read response of the SD card for CMD10.
A kind of 9. mobile terminal, it is characterised in that including processor, and the memory being connected with the processor,
The memory storage has computer program, and the computer program realizes that claim 1-8 is any when being executed by processor
The step of item mobile terminal SD card detection control method for frequency；
The processor is used to call the programmed instruction in the memory, mobile to perform any one of the claims 1-8
Terminal SD card detects the step of control method for frequency.
10. a kind of storage medium, it is characterised in that the storage medium is stored with computer program, and the computer program is located
Reason device realizes the step of any one of the claim 1-8 mobile terminal SD cards detect control method for frequency when performing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545733.7A CN107391399B (en) | 2017-07-06 | 2017-07-06 | Mobile terminal, SD card detection frequency control method thereof and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545733.7A CN107391399B (en) | 2017-07-06 | 2017-07-06 | Mobile terminal, SD card detection frequency control method thereof and storage medium |
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| CN107391399A true CN107391399A (en) | 2017-11-24 |
| CN107391399B CN107391399B (en) | 2022-01-11 |
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| CN201710545733.7A Active CN107391399B (en) | 2017-07-06 | 2017-07-06 | Mobile terminal, SD card detection frequency control method thereof and storage medium |
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| CN109493081A (en) * | 2018-12-28 | 2019-03-19 | Tcl移动通信科技（宁波）有限公司 | A kind of SD card authentication method, system and storage medium for financial transaction |
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| CN110912574A (en) * | 2019-12-27 | 2020-03-24 | Tcl移动通信科技（宁波）有限公司 | SIM card detection method, device, storage medium and terminal |
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|---|---|
| CN107391399B (en) | 2022-01-11 |
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