CN108419260B - SIM card connection control method, mobile terminal and storage medium - Google Patents
SIM card connection control method, mobile terminal and storage medium Download PDFInfo
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- CN108419260B CN108419260B CN201810163094.2A CN201810163094A CN108419260B CN 108419260 B CN108419260 B CN 108419260B CN 201810163094 A CN201810163094 A CN 201810163094A CN 108419260 B CN108419260 B CN 108419260B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
Abstract
The invention discloses a SIM card connection control method, a mobile terminal and a storage medium, wherein the method comprises the following steps: when the mobile terminal detects that the SIM card is connected with the overtime, acquiring that the current time is the first time, and starting a timer with variable overtime; when the timer is overtime every time or the timer is started for the first time, acquiring a preset timer overtime time setting file, and searching corresponding next overtime time in the set timer overtime time setting file according to the difference value of the real-time and the first time; and setting the timer as the next overtime, restarting the timer, and establishing communication connection with the SIM card when the timer is overtime. When the SIM card is used in the mobile terminal, if the mobile terminal detects that the SIM is disconnected or interfered, the mobile terminal can actively try to connect and can connect the SIM card in time after reconnection or interference elimination, so that a user is kept in a network state, and convenience is provided for the user.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a SIM card connection control method, a mobile terminal and a storage medium.
Background
The SIM card (Subscriber identity Module) is also called Subscriber identity card, smart card, and the GSM digital mobile phone must be equipped with the card for use. The SIM card is a chip card equipped with a microprocessor, which has 5 modules inside, and each module corresponds to a function: the system comprises a microprocessor CPU (8 bits), a program memory ROM (3-8 kbit), a working memory RAM (6-16 kbit), a data memory EEPROM (128-256 kbit) and a serial communication unit. The 5 modules are encapsulated in the copper interface of the SIM card in the same way as the ordinary IC card encapsulation, the 5 modules must be integrated in an integrated circuit, otherwise the security of the modules is threatened, because the connection between the chips can become an important clue for illegally accessing and stealing the SIM card.
The SIM card is supplied at 5V (released 1998), 5V compatible with 3V, 1.8V, etc., and these cards must of course be used with the corresponding handset (a type of mobile terminal), i.e. the handset generates a SIM card supply voltage that matches the voltage required by the SIM card. After the SIM card is inserted into the mobile phone, the power port provides power for each module in the SIM card. The signal for detecting whether the SIM card exists is only generated at the instant of starting up, and when the SIM card does not exist, the signal prompts 'inserting the SIM card'; if the SIM card is detected to exist but the communication between the machine card cannot be realized, displaying 'checking the SIM card'; when the SIM card does not respond to the starting detection signal, the mobile phone can prompt the SIM card to be inserted; when the SIM card falls out in the process of starting up and using, the contact is poor due to loosening or a waste card is used, the mobile phone can prompt 'SIM card error'. The storage capacity of the SIM card is 8KB, 16KB, 32KB, 64KB, even 1MB, and the like, and is mostly 16KB and 32 KB. How many phone numbers and short messages the SIM card can store depends on the capacity of the data memory EEPROM in the card.
Because the mobile terminal has mobility, in the moving process, the SIM card is installed in the mobile terminal after the SIM card is installed, the problems of loose contact, poor transient contact and the like are inevitable, and even the problem that the transient pin is interfered to cause the chip to mistakenly consider the connection and disconnection exists; and then, even if the SIM card is normally connected with the mobile terminal, the user still needs to restart the mobile terminal or hot plug the SIM card to recover the SIM card detection.
The above control operation after the SIM card is disconnected in the prior art will cause the following problems: when the SIM card connection of the mobile terminal of the user is disconnected for a short time exceeding 5 seconds or is interfered, the mobile terminal considers that the SIM card is disconnected, and then if the connection is recovered, the mobile terminal directly causes that the user is not in the mobile network in the later time, so that the user needs to find the display identifier of the disconnected SIM card in time to avoid the situation.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The invention aims to solve the technical problem that when an SIM card is used in a mobile terminal in the prior art, if the mobile terminal detects that the SIM is disconnected or interfered, the SIM card cannot be actively tried to be connected.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a SIM card connection control method is applied to a mobile terminal, wherein the SIM card connection control method comprises the following steps:
when the mobile terminal detects that the SIM card is connected with the overtime, acquiring that the current time is the first time, and starting a timer with variable overtime;
when the timer is overtime every time or the timer is started for the first time, acquiring a preset timer overtime time setting file, and searching corresponding next overtime time in the set timer overtime time setting file according to the difference value of the real-time and the first time;
and setting the timer as the next overtime, restarting the timer, and establishing communication connection with the SIM card when the timer is overtime.
The SIM card connection control method, wherein when the mobile terminal detects that the SIM card connection is overtime, acquiring that the current time is the first time, and starting a timer with variable overtime specifically includes:
the mobile terminal detects whether the SIM card is overtime, and acquires the current time and sets the current time as the first time when the connection is overtime;
the mobile terminal starts a timer with variable timeout time while acquiring the current time.
The SIM card connection control method, wherein the mobile terminal detecting whether the SIM card is connected overtime specifically includes:
the mobile terminal detects whether the communication pin connected with the SIM card is overtime or not, and overtime is detected when the level of the communication pin is not changed within a set threshold range.
The SIM card connection control method is characterized in that the set threshold is 5 seconds.
The SIM card connection control method, wherein, when the timer is overtime each time or the timer is started for the first time, acquiring a preset timer overtime setting file, and searching the corresponding next overtime in the set timer overtime setting file according to the difference between the real-time and the first time specifically includes:
when the timer is started for the first time, acquiring a preset timer overtime time setting file;
searching the corresponding next overtime in a set overtime setting file of the timer according to the difference value between the real-time and the first time;
when the timer is overtime every time, acquiring a preset timer overtime time setting file;
and searching the corresponding next overtime in the set overtime setting file of the timer according to the difference value between the real-time and the first time.
The SIM card connection control method is characterized in that the preset timer timeout time setting file comprises a plurality of rows, wherein two rows consist of two elements, one element is timeout time, and the other element is a time length range.
The SIM card connection control method is characterized in that the time length ranges from the detection of communication timeout to the current time length.
The SIM card connection control method, wherein the setting of the timer is the next timeout, and the restarting of the timer, and establishing a communication connection with the SIM card when the timer times out specifically includes:
the mobile terminal sets the timer as the next overtime and restarts the timer;
and when the timer is overtime, the mobile terminal powers on the SIM card, sends a reset instruction to the SIM card on a reset pin, waits for the response of the SIM card on a communication pin, if the response is available, the communication of the SIM card is successful, and if no response is available within 2 seconds, the communication of the SIM card is failed.
A mobile terminal, wherein the mobile terminal comprises: the SIM card connection control program realizes the steps of the SIM card connection control method when being executed by the processor.
A storage medium, wherein the storage medium stores a SIM card connection control program, and the SIM card connection control program, when executed by a processor, implements the steps of the SIM card connection control method as described above.
The invention discloses a SIM card connection control method, a mobile terminal and a storage medium, wherein the method comprises the following steps: when the mobile terminal detects that the SIM card is connected with the overtime, acquiring that the current time is the first time, and starting a timer with variable overtime; when the timer is overtime every time or the timer is started for the first time, acquiring a preset timer overtime time setting file, and searching corresponding next overtime time in the set timer overtime time setting file according to the difference value of the real-time and the first time; and setting the timer as the next overtime, restarting the timer, and establishing communication connection with the SIM card when the timer is overtime. When the SIM card is used in the mobile terminal, if the mobile terminal detects that the SIM is disconnected or interfered, the SIM card can be actively tried to be connected, and the SIM card can be connected in time after reconnection or interference elimination, so that a user is kept in a network state, the SIM card is convenient for the user to use, and convenience is provided for the user.
Drawings
FIG. 1 is a flowchart of a preferred embodiment of a SIM card connection control method according to the invention;
FIG. 2 is a flowchart illustrating a step S10 of the SIM card connection control method according to the preferred embodiment of the present invention;
FIG. 3 is a flowchart of step S20 in the preferred embodiment of the SIM card connection control method according to the invention;
FIG. 4 is a flowchart illustrating a step S30 of the SIM card connection control method according to the preferred embodiment of the present invention;
FIG. 5 is a diagram illustrating an operating environment of a mobile terminal according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The SIM card connection control method according to the preferred embodiment of the present invention is, as shown in fig. 1, a SIM card connection control method, wherein the SIM card connection control method includes the steps of:
step S10, when the mobile terminal detects that the SIM card is timeout, acquiring that the current time is the first time, and starting a timer with variable timeout time.
Specifically, when the mobile terminal detects that the SIM card connection is overtime, acquiring the current time as a first time; a timer is started with a variable timeout. Detecting whether the communication pin connected with the SIM card of the mobile terminal is overtime or not, and overtime if the level of the communication pin is not changed within a set threshold range, wherein the set threshold is 5 seconds.
For example, the mobile terminal may be interrupted by presetting an edge of a level change of a communication pin connected with the SIM card, and if no interruption occurs within 5 seconds, the mobile terminal is considered to have interrupted communication with the SIM card.
Please refer to fig. 2, which is a flowchart of step S10 in the SIM card connection control method according to the present invention.
As shown in fig. 2, the step S10 includes:
s11, the mobile terminal detects whether the SIM card is connected overtime, and when the connection is overtime, the current time is obtained and set as the first time;
and S12, the mobile terminal starts a timer with variable timeout time while acquiring the current time.
And step S20, when the timer is overtime each time or the timer is started for the first time, acquiring a preset timer overtime setting file, and searching the corresponding next overtime in the set timer overtime setting file according to the difference between the real-time and the first time.
Specifically, the preset timer timeout time setting file comprises a plurality of rows, wherein two rows are composed of two elements; one element is the timeout time and the other element is a range of time lengths; the time length is a range from the time of detecting the communication timeout to the current time length.
For example, an example timer timeout period profile is as follows:
10 seconds, 0 seconds to 500 seconds;
20 seconds, 500 seconds to 100000 seconds;
60 seconds, 100000 seconds to 500000 seconds;
100 seconds, 500000 seconds to infinity;
if the file operation is set according to the timeout time of the timer in the above example, the SIM card is detected every 10 seconds within 0 to 500 seconds of the time period from the beginning of the disconnection of the mobile terminal with the SIM card; detecting the SIM card every 20 seconds within a time period of 500 seconds to 100000 seconds when the mobile terminal is disconnected with the SIM card; detecting the SIM card every 60 seconds within 100000 seconds to 500000 seconds of the connection and disconnection of the mobile terminal and the SIM card; detecting the SIM card every other 100 seconds in a time period of more than 500000 seconds when the mobile terminal is disconnected with the SIM card; this allows a greater probability of reconnecting the SIM card when communication is initially interrupted, and a longer time to connect the SIM card to reduce the detected energy when the probability of reconnecting the SIM card is reduced after a longer disconnection.
Please refer to fig. 3, which is a flowchart of step S20 in the SIM card connection control method according to the present invention.
As shown in fig. 3, the step S20 includes:
s21, when the timer is started for the first time, acquiring a preset timer overtime time setting file;
s22, searching the corresponding next overtime in the set overtime setting file of the timer according to the difference value between the real-time and the first time;
s23, when the timer times out each time, acquiring a preset timer overtime time setting file;
and S24, searching the corresponding next overtime in the set overtime setting file of the timer according to the difference value between the real-time and the first time.
And step S30, setting the timer as the next overtime, restarting the timer, and establishing communication connection with the SIM card when the timer is overtime.
Specifically, when the timer times out, the mobile terminal powers on the SIM card, sends a reset instruction to the SIM card on the reset pin, waits for a response of the SIM card on the communication pin, and if there is a response, the SIM card is successfully communicated, and if there is no response within 2 seconds, the SIM card is failed to communicate.
Please refer to fig. 4, which is a flowchart of step S30 in the SIM card connection control method according to the present invention.
As shown in fig. 4, the step S30 includes:
s31, the mobile terminal sets the timer as the next overtime and restarts the timer;
and S32, when the timer is overtime, the mobile terminal powers on the SIM card, sends a reset instruction to the SIM card on the reset pin, waits for the response of the SIM card on the communication pin, if the response is available, the communication of the SIM card is successful, and if the response is not available within 2 seconds, the communication of the SIM card is failed.
As shown in fig. 5, based on the SIM card connection control method, the present invention also provides a mobile terminal, which includes a processor 10, a memory 20 and a display 30. Fig. 5 shows only some of the components of the mobile terminal, but it is to be understood that not all of the shown components are required to be implemented, and that more or fewer components may be implemented instead.
The memory 20 may in some embodiments be an internal storage unit of the mobile terminal, such as a hard disk or a memory of the mobile terminal. The memory 20 may also be an external storage device of the mobile terminal in other embodiments, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the mobile terminal. Further, the memory 20 may also include both an internal storage unit and an external storage device of the mobile terminal. The memory 20 is used for storing application software installed in the mobile terminal and various data, such as program codes of the installed mobile terminal. The memory 20 may also be used to temporarily store data that has been output or is to be output. In an embodiment, the memory 20 stores a SIM card connection control program 40, and the SIM card connection control program 40 can be executed by the processor 10, so as to implement the SIM card connection control method in the present application.
The processor 10 may be a Central Processing Unit (CPU), a microprocessor or other data Processing chip in some embodiments, and is used for executing program codes stored in the memory 20 or Processing data, such as executing the SIM card connection control method.
The display 30 may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode) touch panel, or the like in some embodiments. The display 30 is used for displaying information at the mobile terminal and for displaying a visual user interface. The components 10-30 of the mobile terminal communicate with each other via a system bus.
In one embodiment, when the processor 10 executes the SIM card connection control program 40 in the memory 20, the following steps are implemented:
when the mobile terminal detects that the SIM card is connected with the overtime, acquiring that the current time is the first time, and starting a timer with variable overtime;
when the timer is overtime every time or the timer is started for the first time, acquiring a preset timer overtime time setting file, and searching corresponding next overtime time in the set timer overtime time setting file according to the difference value of the real-time and the first time;
and setting the timer as the next overtime, restarting the timer, and establishing communication connection with the SIM card when the timer is overtime.
When the mobile terminal detects that the SIM card is connected with the timeout, acquiring that the current time is the first time, and starting a timer with variable timeout specifically comprises:
the mobile terminal detects whether the SIM card is overtime, and acquires the current time and sets the current time as the first time when the connection is overtime;
the mobile terminal starts a timer with variable timeout time while acquiring the current time.
When the timer is overtime each time or the timer is started for the first time, acquiring a preset timer overtime setting file, and searching for the corresponding next overtime in the set timer overtime setting file according to the difference between the real-time and the first time specifically comprises the following steps:
when the timer is started for the first time, acquiring a preset timer overtime time setting file;
searching the corresponding next overtime in a set overtime setting file of the timer according to the difference value between the real-time and the first time;
when the timer is overtime every time, acquiring a preset timer overtime time setting file;
and searching the corresponding next overtime in the set overtime setting file of the timer according to the difference value between the real-time and the first time.
The setting of the timer is the next overtime, and the restarting of the timer, and the establishing of the communication connection with the SIM card when the timer is overtime specifically comprises:
the mobile terminal sets the timer as the next overtime and restarts the timer;
and when the timer is overtime, the mobile terminal powers on the SIM card, sends a reset instruction to the SIM card on a reset pin, waits for the response of the SIM card on a communication pin, if the response is available, the communication of the SIM card is successful, and if no response is available within 2 seconds, the communication of the SIM card is failed.
The invention also provides a storage medium, wherein the storage medium stores an SIM card connection control program, and the SIM card connection control program realizes the steps of the SIM card connection control method when being executed by a processor; as described above.
In summary, the present invention provides a SIM card connection control method, a mobile terminal and a storage medium, where the method includes: when the mobile terminal detects that the SIM card is connected with the overtime, acquiring that the current time is the first time, and starting a timer with variable overtime; when the timer is overtime every time or the timer is started for the first time, acquiring a preset timer overtime time setting file, and searching corresponding next overtime time in the set timer overtime time setting file according to the difference value of the real-time and the first time; and setting the timer as the next overtime, restarting the timer, and establishing communication connection with the SIM card when the timer is overtime. When the SIM card is used in the mobile terminal, if the mobile terminal detects that the SIM is disconnected or interfered, the SIM card can be actively tried to be connected, and the SIM card can be connected in time after reconnection or interference elimination, so that a user is kept in a network state, the SIM card is convenient for the user to use, and convenience is provided for the user.
Of course, it will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by a computer program instructing relevant hardware (such as a processor, a controller, etc.), and the program may be stored in a computer readable storage medium, and when executed, the program may include the processes of the above method embodiments. The storage medium may be a memory, a magnetic disk, an optical disk, etc.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (8)
1. A SIM card connection control method is applied to a mobile terminal, and is characterized by comprising the following steps:
when the mobile terminal detects that the SIM card is connected with the overtime, acquiring that the current time is the first time, and starting a timer with variable overtime;
when the timer is overtime every time or the timer is started for the first time, acquiring a preset timer overtime time setting file, and searching corresponding next overtime time in the set timer overtime time setting file according to the difference value of the real-time and the first time;
when the timer is overtime each time or the timer is started for the first time, acquiring a preset timer overtime setting file, and searching for the corresponding next overtime in the set timer overtime setting file according to the difference between the real-time and the first time specifically comprises the following steps:
when the timer is started for the first time, acquiring a preset timer overtime time setting file;
searching the corresponding next overtime in a set overtime setting file of the timer according to the difference value between the real-time and the first time;
when the timer is overtime every time, acquiring a preset timer overtime time setting file;
searching the corresponding next overtime in a set overtime setting file of the timer according to the difference value between the real-time and the first time;
setting a timer as the next overtime, restarting the timer, and establishing communication connection with the SIM card when the timer is overtime;
the setting of the timer is the next overtime, and the restarting of the timer, and the establishing of the communication connection with the SIM card when the timer is overtime specifically comprises:
the mobile terminal sets the timer as the next overtime and restarts the timer;
when the timer is overtime, the mobile terminal powers on the SIM card, sends a reset instruction to the SIM card on a reset pin, waits for the response of the SIM card on a communication pin, if the response is available, the communication of the SIM card is successful, and if no response is available within 2 seconds, the communication of the SIM card is failed;
when the SIM card is used in the mobile terminal, if the mobile terminal detects that the SIM is disconnected or interfered, the mobile terminal actively tries to connect, and can connect the SIM card in time after reconnection or interference elimination, so that the user is kept in a network state.
2. The SIM card connection control method according to claim 1, wherein the obtaining of the current time as the first time when the mobile terminal detects the timeout of the SIM card connection and starting a timer with a variable timeout time specifically comprises:
the mobile terminal detects whether the SIM card is overtime, and acquires the current time and sets the current time as the first time when the connection is overtime;
the mobile terminal starts a timer with variable timeout time while acquiring the current time.
3. The SIM card connection control method according to claim 2, wherein the detecting, by the mobile terminal, whether the SIM card is connected overtime specifically comprises:
the mobile terminal detects whether the communication pin connected with the SIM card is overtime or not, and overtime is detected when the level of the communication pin is not changed within a set threshold range.
4. The SIM card connection control method according to claim 3, wherein the set threshold is 5 seconds.
5. The SIM card connection control method according to claim 1, wherein the preset timer timeout period profile comprises a plurality of rows, wherein two rows are composed of two elements, one element being the timeout period and the other element being a time length range.
6. The SIM card connection control method according to claim 5, wherein the time duration ranges from a time-out of communication detected to a current time duration.
7. A mobile terminal, characterized in that the mobile terminal comprises: memory, a processor and a SIM card connection control program stored on the memory and executable on the processor, the SIM card connection control program, when executed by the processor, implementing the steps of the SIM card connection control method according to claims 1-6.
8. A storage medium storing a SIM card connection control program, which when executed by a processor implements the steps of the SIM card connection control method according to any one of claims 1 to 6.
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| CN201810163094.2A CN108419260B (en) | 2018-02-26 | 2018-02-26 | SIM card connection control method, mobile terminal and storage medium |
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| CN103037546A (en) * | 2011-10-10 | 2013-04-10 | 希姆通信息技术（上海）有限公司 | Mobile terminal and method for setting up communication between mobile terminal and subscribe identity module (SIM) card |
| CN103166672A (en) * | 2011-12-12 | 2013-06-19 | 美国博通公司 | Concurrent use of single tx/rx synthesizer pair in multiple sim devices |
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