CN110532118B

CN110532118B - Terminal card abnormality detection device, method, terminal and readable storage medium

Info

Publication number: CN110532118B
Application number: CN201910672952.0A
Authority: CN
Inventors: 范建功
Original assignee: Shenzhen Huaao Chuangzhi Technology Development Co ltd
Current assignee: Shenzhen Huaao Chuangzhi Technology Development Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2023-05-23
Anticipated expiration: 2039-07-24
Also published as: CN110532118A

Abstract

The invention discloses a device, a method, a terminal and a readable storage medium for detecting the abnormality of a terminal card, wherein when the abnormality of a card read occurs in the terminal, a level passage between a terminal card pin and a central processing unit is connected with a first data passage through a control element for controlling the level passage, a maintainer can measure a voltage value in the first data passage through an external device to detect a circuit causing the abnormality of the card read, and the effect that the terminal can detect the circuit causing the abnormality of the card read without disassembling the machine is realized.

Description

Terminal card abnormality detection device, method, terminal and readable storage medium

Technical Field

The present invention relates to the field of terminal technologies, and in particular, to a device and method for detecting abnormality of a terminal card, a terminal, and a computer readable storage medium.

Background

At present, after a normal terminal card is inserted into a terminal, if the problem that the card cannot be identified occurs, a maintenance engineer needs to disassemble the terminal, then observe the structure of the position of the card holder and carry out necessary detection, and the root cause of the problem can be determined. Because the operation needs to disassemble the terminal, the disassembly machine detection is low in efficiency, high in difficulty and easy to damage, and meanwhile, the user is also provided with an untrustworthy sense.

Disclosure of Invention

The invention provides a device, a method, a terminal and a computer readable storage medium for detecting abnormality of a terminal card, and aims to solve the problems that in the prior art, the detection operation is complicated and the user is easy to feel untrustworthy because the terminal card cannot be identified by detaching the machine detection terminal.

In order to solve the above technical problems, the present invention provides a device for detecting abnormality of a terminal card, which is applied to a terminal including a central processing unit, a power management chip, a card holder, a level path control element, a data path control element and a data interface, and includes:

the power supply module is used for supplying power to the central processing unit and the card seat;

and the abnormality detection module is used for connecting a level passage connected with the card seat by the central processing unit with the data interface.

Optionally, the anomaly detection module includes:

the GPIO ports of the central processing unit are correspondingly connected with the interfaces of the terminal card through the card seat to form level paths, and at least one path in the level paths is connected with the first transmission path through a level path control element;

the central processing unit is connected with the data interface through a first transmission path and a second transmission path, wherein a first data path control element is connected to the first transmission path;

the power management chip is connected with the data interface through a first transmission path and a second transmission path, wherein a second data path control element is connected to the first transmission path;

the level path control element is connected with a first GPIO port of the central processing unit;

the first data path control element and the second data path control element are connected to a second GPIO port of the central processor.

Optionally, the level path control element is a single-pole multi-throw switch with a timing function, and the level path at one end of the switch is individually communicated with the first transmission path at the other end according to a set time.

Optionally, the data path control element is an NMOS tube.

Further, the invention also provides a method for detecting the abnormality of the terminal card, which is applied to the terminal with the device for detecting the abnormality of the terminal card, and the method for detecting the abnormality of the terminal card comprises the following steps:

the terminal judges that card reading fails, and the central processing unit sends out a control signal;

the first GPIO port outputs a first potential according to the control signal, and the second GPIO port outputs a second potential according to the control signal;

the first data path control element and the second data path control element receive a second potential output by the second GPIO port and turn off the first data path control element and the second data path control element;

the level path control element receives a first potential output by the first GPIO port and communicates the level path with the first transmission path.

Optionally, after the terminal determines that the card identification fails, an external data line paired with the data interface is connected with the data interface, and an external device is used to measure the voltage value of the signal of the first transmission path in the external data line.

Optionally, when receiving a recovery control instruction, controlling the first GPIO port to output an opposite potential corresponding to the first potential, and the second GPIO port to output an opposite potential corresponding to the second potential;

The first data path control element and the second data path control element receive opposite potentials corresponding to the second potential output by the second GPIO port, and trigger the first data path control element and the second data path control element;

the level path control element receives an opposite potential corresponding to a first potential output from the first GPIO port and disconnects the level path from the first transmission path.

Optionally, the control signal may be sent directly by the central processor after the terminal determines that card reading fails, or may be sent by the user through a software interface or a physical key;

the recovery control instruction can be sent by the CPU after the control signal is sent and when the preset time is reached, the recovery control instruction can also be sent by a user through a software interface or a physical key.

Furthermore, the invention also provides a terminal, a packet expansion terminal card abnormality detection device, a memory and a communication bus;

the communication bus is used for realizing communication connection between the processor and the memory;

the central processor in the terminal card abnormality detection apparatus is configured to execute one or more programs stored in a memory to implement the steps of the terminal card abnormality detection method according to any one of claims 5 to 8.

Further, the present invention also provides a computer readable storage medium storing one or more programs executable by one or more processors to implement the steps of the method for detecting a terminal card abnormality.

Advantageous effects

The invention provides a device and a method for detecting abnormality of a terminal card, a terminal and a computer readable storage medium. The existing terminal card is abnormal in reading, when the problem needs to be detected, the terminal must be disassembled, the disassembling machine is low in detection efficiency, high in difficulty and easy to damage, and meanwhile, the user is also distrust. In view of the above problems, in the present invention, when a terminal card reads an abnormality, a CPU receives abnormality information, and controls the opening of a level path control element by controlling the output potentials of a first GPIO port and a second GPIO port, and the level path control element individually connects several level paths of the terminal card with a first data path, and controls the switching of the level path control element, thereby controlling the level path connected with the first data path. At this time, the user only needs to access the data line corresponding to the terminal data interface to the data interface, then measures the signal of the first transmission path in the data line through the external equipment, and sequentially measures the waveform of the signal along with the switching of the level path control element, and the level path with problems can be judged according to the waveform of the signal, so that the problem of quick positioning is maintained, the disassembly machine is avoided for signal measurement, a great amount of time is saved, and the distrust feeling of the user caused by the disassembly machine in the detection process is reduced.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of the hardware architecture of an alternative terminal for implementing various embodiments of the present invention;

fig. 2 is a schematic circuit diagram of a terminal card abnormality detection device according to a first embodiment of the present invention;

FIG. 3 is a schematic circuit diagram of a device for detecting abnormality of a terminal card according to a second embodiment of the present invention;

fig. 4 is a detailed flowchart of a method for detecting abnormality of a terminal card according to a third embodiment of the present invention;

fig. 5 is a schematic logic structure diagram of a terminal according to a fourth embodiment of the present invention.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present invention, and have no specific meaning per se. Thus, "module," "component," or "unit" may be used in combination.

The terminal may be implemented in various forms. For example, the terminals described in the present invention may include mobile terminals such as cell phones, tablet computers, notebook computers, palm computers, personal digital assistants (Personal Digital Assistant, PDA), portable media players (Portable Media Player, PMP), navigation devices, wearable devices, smart bracelets, pedometers, and fixed terminals such as digital TVs, desktop computers, and the like.

The following description will be given taking a mobile terminal as an example, and those skilled in the art will understand that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for a moving purpose.

Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention, the mobile terminal 100 may include: an RF (Radio Frequency) unit 101, a WiFi module 102, an audio output unit 103, an a/V (audio/video) input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111. Those skilled in the art will appreciate that the mobile terminal structure shown in fig. 1 is not limiting of the mobile terminal and that the mobile terminal may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.

The following describes the components of the mobile terminal in detail with reference to fig. 1:

the radio frequency unit 101 may be used for receiving and transmitting signals during the information receiving or communication process, specifically, after receiving downlink information of the base station, processing the downlink information by the processor 110; and, the uplink data is transmitted to the base station. Typically, the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication, global System for Mobile communications), GPRS (General Packet Radio Service ), CDMA2000 (CodeDivision Multiple Access, CDMA 2000), WCDMA (Wideb and Code Division Multiple Access ), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, time Division synchronous code Division multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution, frequency Division Duplex Long term evolution), and TDD-LTE (Time Division Duplexing-Long Term Evolution, time Division Duplex Long term evolution), etc.

WiFi belongs to a short-distance wireless transmission technology, and a mobile terminal can help a user to send and receive e-mails, browse web pages, access streaming media and the like through the WiFi module 102, so that wireless broadband Internet access is provided for the user. Although fig. 1 shows a WiFi module 102, it is understood that it does not belong to the necessary constitution of a mobile terminal, and can be omitted entirely as required within a range that does not change the essence of the invention.

The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a talk mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the mobile terminal 100. The audio output unit 103 may include a speaker, a buzzer, and the like.

The a/V input unit 104 is used to receive an audio or video signal. The a/V input unit 104 may include a graphics processor (Graphics Processing Unit, GPU) 1041 and a microphone 1042, the graphics processor 1041 processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphics processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 can receive sound (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, and the like, and can process such sound into audio data. The processed audio (voice) data may be converted into a format output that can be transmitted to the mobile communication base station via the radio frequency unit 101 in the case of a telephone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting the audio signal.

The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and the proximity sensor can turn off the display panel 1061 and/or the backlight when the mobile terminal 100 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when stationary, and can be used for applications of recognizing the gesture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; as for other sensors such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc. that may also be configured in the mobile phone, the detailed description thereof will be omitted.

The display unit 106 is used to display information input by a user or information provided to the user. The display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 107 may be used to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the mobile terminal. In particular, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on the touch panel 1071 or thereabout by using any suitable object or accessory such as a finger, a stylus, etc.) and drive the corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch azimuth of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into touch point coordinates, and sends the touch point coordinates to the processor 110, and can receive and execute commands sent from the processor 110. Further, the touch panel 1071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 107 may include other input devices 1072 in addition to the touch panel 1071. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, level access control element keys, etc.), a trackball, mouse, joystick, etc., as specifically not limited herein.

Further, the touch panel 1071 may overlay the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or thereabout, the touch panel 1071 is transferred to the processor 110 to determine the type of touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of touch event. Although in fig. 1, the touch panel 1071 and the display panel 1061 are two independent components for implementing the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 may be integrated with the display panel 1061 to implement the input and output functions of the mobile terminal, which is not limited herein.

The interface unit 108 serves as an interface through which at least one external device can be connected with the mobile terminal 100. For example, the external devices may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and an external device.

Memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area that may store an operating system, application programs required for at least one function (such as a sound playing function, an image playing function, etc.), and a storage data area; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, memory 109 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.

The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by running or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.

The mobile terminal 100 may further include a power source 111 (e.g., a battery) for supplying power to the respective components, and preferably, the power source 111 may be logically connected to the processor 110 through a power management system, so as to perform functions of managing charging, discharging, and power consumption management through the power management system.

Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described herein.

In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based will be described below.

Referring to fig. 2, fig. 2 is a schematic diagram of a communication network system according to an embodiment of the present invention, where the communication network system is an LTE system of a general mobile communication technology, and the LTE system includes a UE (User Equipment) 201, an e-UTRAN (Evolved UMTS Terrestrial Radio Access Network ) 202, an epc (Evolved Packet Core, evolved packet core) 203, and an IP service 204 of an operator that are sequentially connected in communication.

Specifically, the UE201 may be the terminal 100 described above, and will not be described herein.

The E-UTRAN202 includes eNodeB2021 and other eNodeB2022, etc. The eNodeB2021 may be connected with other eNodeB2022 by a backhaul (e.g., an X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide access from the UE201 to the EPC 203.

EPC203 may include MME (Mobility Management Entity ) 2031, hss (Home Subscriber Server, home subscriber server) 2032, other MMEs 2033, SGW (Serving Gate Way) 2034, pgw (PDN Gate Way) 2035 and PCRF (Policy and Charging Rules Function, policy and tariff function entity) 2036, and so on. The MME2031 is a control node that handles signaling between the UE201 and EPC203, providing bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location registers (not shown) and to hold user specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034 and PGW2035 may provide IP address allocation and other functions for UE201, PCRF2036 is a policy and charging control policy decision point for traffic data flows and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).

IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem ), or other IP services, etc.

Although the LTE system is described above as an example, it should be understood by those skilled in the art that the present invention is not limited to LTE systems, but may be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.

Based on the above mobile terminal hardware structure and the communication network system, various embodiments of the method of the present invention are provided.

First embodiment

In order to solve the problem that in the existing scheme, when a terminal card is read abnormally and faults need to be detected, the terminal must be disassembled, the disassembling machine is low in detection efficiency, high in difficulty and easy to damage, meanwhile, the problem of distrust feeling is brought to a user, and the embodiment provides the terminal card abnormality detection device, and particularly, the device is shown in fig. 2.

The device comprises a card seat S203, a central processing unit S201, a power management chip S202, a level path control element S204, a first data path control element S206, a second data path control element S207 and a data interface S205.

The device is divided into a power supply module and an abnormality detection module, wherein a power management chip supplies power for a card seat and a central processing unit in the power supply module; the anomaly detection module is as follows:

The terminal card is placed on the card seat S203, and part of pins of the terminal card are connected with part of GPIO ports of the central processing unit S201 through the card seat to form a level passage; it should be understood that the cartridges herein may be of various types, such as SD cartridges, SIM cartridges, and the like. Taking a SIM card holder as an example, a VCC pin of the card holder is connected with a GPIO-1 port of the central processor, a DATA pin of the terminal card is connected with a GPIO-2 port of the central processor, a RST pin of the terminal card is connected with a GPIO-3 port of the central processor, and a CLK pin of the terminal card is connected with a GPIO-4 port of the central processor.

The level path control element S204 is used for controlling on and off of the circuit, and it should be understood that the type of the level path control element is not limited, and the level path control element may be a coaxial switch, a relay, etc. as long as the level path control element has a function of controlling the connection states of two paths, and the level path control element may also have a certain additional function, such as a timing function, etc.; the number of the level path control elements is not limited, and may be single or plural; one end of the level path control element is connected with at least one of the level paths between the card seat S203 and the central processing unit S201, and the other end of the level path control element is connected with the data interface through a first data path; it should be appreciated that the type and number of the level paths connected to the first data path by the level path control element are optional, and that one or more of the four level paths that are more prone to failure may be selected to be connected to the first data path by the level path control element to achieve higher detection efficiency; all the level paths may also be connected to the first data path via a level path control element to achieve the most comprehensive detection range. For example, when the card holder is a SIM card holder, four single-pole single-throw switches with timing function may be used, and connected to four VCC, RST, CLK, DATA level paths respectively, where each single-pole single-throw level path control element is controlled by the central processor separately, or through a preset timing period, only one level path control element is in a closed state at most at a time; a single-pole four-throw level path control element with a timing function can also be used, and simultaneously, the control element is connected with VCC, RST, CLK, DATA four level paths, and each single-pole single-throw switch is independently controlled by a central processing unit, or at most one single-pole single-throw switch is in a closed state at each time through a preset timing period.

The data interface S205 is connected to the level path control element through a first data path; the first data path of the data interface is connected with the port of the central processing unit S201 through the first data path control element S206, and is connected with the power management chip S202 through the second data path control element S207; the second data path of the data interface is connected with the central processing unit and the power management chip. It is understood that the data path control element is used for controlling the connection between the first data path and the central processing unit and the power management chip, and is not limited to a certain element, and can be any element capable of achieving the same effect, such as an NMOS tube, a PMOS tube, etc. The second GPIO port of the central processing unit S201 outputs a fourth potential under the default condition, the first data path control element connects the first data path with the port of the central processing unit under the fourth potential, and the second data path control element connects the first data path with the port of the power management chip; after receiving the control signal, the second GPIO port outputs a second potential opposite to the fourth potential, the first data path control element and the second data path control element are closed, the first data path control element is closed to block the connection between the first data path and the central processing unit, and the second data path control element is closed to block the connection between the first data path signal and the power management chip. The first GPIO port of the central processing unit S201 is connected with the level path control element, the first GPIO port outputs a third potential under the default condition, the third potential does not trigger the level path control element S204, and the level path control element is in open circuit output at the moment; after receiving the control signal, the central processing unit controls the first GPIO port to output a first potential opposite to the third potential so as to activate the level path control element, and at the moment, the signal transmitted by the first data path is the voltage signal in the level path connected with the level path control element. It should be understood that the first, second, third and fourth potentials are used to represent the level of the electric potential, where the first potential is opposite to the third potential, and the second potential is opposite to the fourth potential, for example, when the first potential is high, the third potential is low, and when the second potential is low, the fourth potential is high.

The data interface S205 is connected to the USB-DM interface of the central processor S201 and the USB-DM interface of the power management chip S202 through a second data path, and it is understood that the Type of the data interface is not limited, and may be a Type-C interface, a Micro USB interface, a Lighting interface, etc.; the external equipment can acquire the signal in the first data path through the data line by connecting the data line paired with the data interface; it is understood that external devices herein include, but are not limited to, voltmeters, oscilloscopes, and like voltage measurement devices.

The embodiment provides a terminal card anomaly detection device, this terminal card anomaly detection device is when the terminal appears reading the card unusual, level passageway between terminal card pin and the central processing unit passes through level passageway control element and transmits to data interface, maintenance personal accessible measures this level signal, detect out the circuit that causes reading the card unusual, in the solution prior art, when the terminal reads the card unusual, need tear open the machine and detect for detection efficiency is low, the degree of difficulty is high and easily cause the damage, also bring the problem of the sense of distrust for the user simultaneously, realized that the terminal also can detect out the effect that leads to the unusual circuit of terminal card reading under the circumstances that does not tear open the machine operation.

Second embodiment

In order to solve the problems that in the existing scheme, a terminal card is read abnormally, and when the problem needs to be detected, the terminal must be disassembled, the disassembling machine is low in detection efficiency, high in difficulty and easy to damage, meanwhile, the problem of distrust feeling is brought to a user, and the embodiment provides the device for detecting the abnormality of the terminal card. For better understanding of the content of the present embodiment, a SIM card abnormality detection device will be described herein by way of example, with particular reference to fig. 3.

The SIM card abnormality detection device comprises an SIM card seat S303, a central processing unit S301, a power management chip S302, a single-pole four-throw switch S304 with a timing function, a first NMOS tube S306, a second NMOS tube S307 and a Type-C male seat S305.

The SIM card abnormality detection device is divided into a power supply module and an abnormality detection module, wherein a power supply management chip supplies power for a card seat and a central processing unit in the power supply module; the anomaly detection module is as follows:

the SIM card is arranged on the SIM card seat S303, and part of pins of the SIM card are connected with part of GPIO ports of the central processing unit S301 through the card seat to form a level passage; specifically, the VCC pin of the SIM card is connected with the GPIO-1 port of the central processing unit, the DATA pin of the SIM card is connected with the GPIO-2 port of the central processing unit, the RST pin of the SIM card is connected with the GPIO-3 port of the central processing unit, and the CLK pin of the SIM card is connected with the GPIO-4 port of the central processing unit; the GND interface of the SIM card is grounded.

The single-pole four-throw switch S304 with the timing function is triggered by high level, one end of the single-pole four-throw switch S304 with the timing function is connected with VCC, RST, CLK, DATA level paths between the SIM card seat S303 and the central processing unit S301, the other end of the single-pole four-throw switch is connected with the Type-C public seat S305 by a D+ path, and when the single-pole four-throw switch with the timing function is in a trigger state, one level path is sequentially selected to be connected with the D+ path by a preset timing period; for example, after the single-pole four-throw switch with timing function is triggered, the VCC access is first selected to be connected with the D+ access, after the set timing time period is reached, the switch is switched to connect the DATA access with the D+ access, and the operation is repeated until the single-pole four-throw switch with timing function is closed. It should be understood that the connection sequence of the single pole four throw switch with timing function and the VCC, RST, CLK, DATA four level paths is variable and is not limited to a certain sequence.

The Type-C male seat S305 is connected with a D+ path through the single-pole four-throw switch S304 with the timing function; the D+ path of the Type-C public seat is connected with the USB-DP port of the central processing unit through a first NMOS tube S306 and is connected with the USB-DP port of the power management chip through a second NMOS tube S307; the first NMOS tube is connected with the GATE grid of the second NMOS tube to form a passage.

The GPIO-6 port of the CPU S301 is connected with the GATE path between the first NMOS transistor S306 and the second NMOS transistor S307; the GPIO-6 port outputs high potential under the default condition, a first NMOS tube connects the D+ channel with the USB-DP port of the central processing unit S301 under the high potential, and a second NMOS tube connects the D+ channel with the USB-DP port of the power management chip S302; when the GPIO-6 outputs low potential, the first NMOS tube and the second NMOS tube are closed, the connection between the D+ signal and the central processing unit is blocked by the closing of the first NMOS tube, and the connection between the D+ signal and the power management chip is blocked by the closing of the second NMOS tube.

The GPIO-5 port of the central processing unit S301 is connected with the single-pole four-throw switch S304 with the timing function, the GPIO-5 port outputs low potential under default conditions, the low potential does not trigger the single-pole four-throw switch with the timing function, and the single-pole four-throw switch with the timing function is output in an open circuit at the moment; and when the GPIO-5 outputs high potential, the single-pole four-throw switch with the timing function is activated.

The Type-C male seat S305 is connected with a USB-DM interface of the central processing unit S301 and a USB-DM interface of the power management chip S302 through a D-path; the external equipment can acquire the voltage signal of the D+ channel in the data line only by connecting the paired data line with the Type-C female seat with the Type-C male seat; it is understood that external devices herein include, but are not limited to, voltmeters, oscilloscopes, and the like.

The embodiment provides an abnormal SIM card detection device, when the abnormal SIM card detection device reads the card at the terminal, level signals between the SIM card pins and the central processing unit are transmitted to a data interface through a control switch, maintenance personnel can measure the level signals to detect the pins causing the abnormal SIM card reading, the problem that in the prior art, when the abnormal SIM card reading needs to be detected by disassembling, the detection efficiency is low, the difficulty is high, the damage is easy to cause, meanwhile, the problem of the distrust feeling is brought to a user, and the effect that the terminal can detect lines causing the abnormal SIM card reading under the condition that the operation of disassembling is not performed is realized.

Third embodiment

In order to solve the problems that in the existing scheme, the terminal card is read abnormally and needs to be detected, the terminal must be disassembled, the disassembling machine is low in detection efficiency, high in difficulty and easy to damage, meanwhile, the problem of untrustworthy feeling is brought to a user, and the embodiment provides a method for detecting the terminal card abnormality, which is specifically shown in fig. 4.

The method for detecting the abnormality of the terminal card in the embodiment comprises the following steps:

s401, the terminal judges that card identification fails and receives a control signal;

s402, the first GPIO port outputs a first potential according to a control signal, and the second GPIO port outputs a second potential according to the control signal;

S403, the first data path control element and the second data path control element receive the second potential output by the second GPIO port, and turn off the first data path control element and the second data path control element;

s404, the level channel control element receives a first potential output by the first GPIO port, and communicates the level channel with the first transmission channel;

s405, receiving a recovery control instruction, controlling the first GPIO port to output a third potential, and controlling the second GPIO port to output a fourth potential.

The terminal in this embodiment may be a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palm computer, a PDA, or a fixed terminal such as a digital TV, a desktop computer, or the like.

In S401, after the terminal determines that the card identification fails, the central processor may acquire card identification failure information, where the control signal may be directly sent by the central processor, or after the user sends a detection instruction, the central processor sends the control signal again, where it may be understood that the detection instruction of the user includes, but is not limited to, issuing in at least one of multiple manners on the software interface, such as gesture, clicking a virtual key, and so on, and may also be triggered by a physical key on the terminal; and controlling the output potential of the first GPIO port and the second GPIO port according to the control signal.

In S402, the second GPIO port outputs a second potential, closing the first data path control element and the second data path control element.

The first GPIO port is connected with the level path control element and outputs a first potential to trigger the level path control element.

In S403, the closing of the first data path control element blocks the connection of the first data path to the central processing unit, and the closing of the second data path control element blocks the connection of the first data path to the power management chip; the first data path of the data interface is connected with the port of the central processing unit through the first data path control element and is connected with the port of the power management chip through the second data path control element.

In S404, the terminal card is placed on the card holder, and part of pins of the terminal card are connected with part of GPIO ports of the central processing unit through the card holder to form a level path.

The type of the level path control element is not limited, and may be a coaxial switch, a relay, or the like as long as the level path control element has a function of controlling the connection state of the two paths, and the level path control element may also have a certain additional function such as a timing function; the number of the level path control elements is not limited, and may be single or plural; one end of the level path control element is connected with at least one of the level paths between the card seat and the central processing unit, and the other end of the level path control element is connected with the data interface through a first data path; it should be appreciated that the type and number of the level paths connected to the first data path by the level path control element are optional, and that one or more of the four level paths that are more prone to failure may be selected to be connected to the first data path by the level path control element to achieve higher detection efficiency; all the level paths may also be connected to the first data path via a level path control element to achieve the most comprehensive detection range. For example, when the card holder is a SIM card holder, four single-pole single-throw switches with timing function may be used, and connected to four VCC, RST, CLK, DATA level paths respectively, where each single-pole single-throw level path control element is controlled by the central processor separately, or through a preset timing period, only one level path control element is in a closed state at most at a time; a single-pole four-throw level path control element with a timing function can also be used, and simultaneously, the control element is connected with VCC, RST, CLK, DATA four level paths, and each single-pole single-throw switch is independently controlled by a central processing unit, or at most one single-pole single-throw switch is in a closed state at each time through a preset timing period.

The external equipment can directly measure the voltage value of the first data path in the data line by using the data line matched with the data interface and is connected with the data interface, and whether the level path connected with the first data path is normal or not can be judged by comparing the voltage value of the first data path with the voltage value of the normal first data path; it is understood that external devices herein include, but are not limited to, voltmeters, oscilloscopes, and the like.

In S405, a restoration control instruction is received, and the first GPIO port is controlled to output a third potential, and the second GPIO port is controlled to output a fourth potential. After the control signal is sent in S401, when the preset time is reached, the restoration control instruction may be sent by the central processing unit, or the restoration control instruction may be sent by the user, where it is understood that the restoration control instruction of the user includes, but is not limited to, at least one of a plurality of manners, such as gesture, clicking a virtual key, and the like, sent by the software interface, and may also be triggered by a physical key on the terminal. It should be understood that the first, second, third and fourth potentials are used to indicate the level of the first potential and the third potential, the first potential is opposite to the third potential, the second potential is opposite to the fourth potential, for example, when the first potential is high, the third potential is low.

The embodiment provides a method for detecting the abnormality of a terminal card, which is characterized in that when the card reading abnormality occurs in the terminal, a level passage between a terminal card pin and a central processing unit is connected with a first data passage through a control element for controlling the level passage, a maintainer can measure a voltage value in the first data passage through external equipment to detect a circuit causing the card reading abnormality, the problem that in the prior art, when the card reading abnormality occurs in the terminal, the terminal needs to be disassembled for detection, so that the detection efficiency is low, the difficulty is high, the damage is easy to cause, meanwhile, the problem of giving a user an untrustiness is also caused, and the effect that the circuit causing the card reading abnormality can be detected under the condition that the machine disassembling operation is not performed by the terminal is realized.

Fourth embodiment

The embodiment also provides a terminal, which may be a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palm computer, a PDA, or a fixed mobile terminal such as a digital TV, a desktop computer, or the like. Referring to fig. 5, it includes a memory 52, a communication bus 53, and a terminal card abnormality detection device 51, in which:

the communication bus 53 is used for realizing connection communication between the central processor and the memory 52 in the terminal card abnormality detection device 51;

The central processor in the terminal card abnormality detection device 51 is configured to execute a detection control program stored in the memory 52 to realize the steps of:

detecting an event satisfying a transmission related control signal or a restoration control instruction;

the central processing unit in the terminal card abnormality detection device 51 controls the first GPIO port to output a first or third potential and controls the second GPIO port to output a second or fourth potential according to the related control signals or the recovery control instructions;

the level access control element is communicated with or disconnected from the connection between the level access and the first data access according to the potential output by the first GPIO port, the first data access control element and the second data access control element are communicated with or disconnected from the connection between the second data access and the central processing unit according to the potential output by the second GPIO port, and the data access control element is communicated with or disconnected from the connection between the second data access and the power management chip according to the potential output by the second GPIO port;

the conditions for sending the control signal are as follows: when the terminal judges that the card identification fails, and/or receives a detection instruction of a user; when the at least one condition is met, the central processing unit is triggered to send a control signal. It will be appreciated that the user detection instruction includes, but is not limited to, issuing at least one of a variety of ways at the software interface, such as a gesture, clicking a virtual key, etc., and may also be triggered by a physical key on the terminal.

The condition for satisfying the resume control instruction may be: after the control signal is sent out, when the preset time is reached, and/or when the user issues a recovery control instruction. When the at least one condition is satisfied, the CPU is triggered to send a recovery control instruction. It will be appreciated that the user's recovery control instructions include, but are not limited to, issuing at least one of a variety of ways at the software interface, such as gestures, clicking virtual keys, etc., as well as being triggered by physical keys on the terminal.

After the central processing unit sends a control signal, the first GPIO port outputs a first potential, the level path control element is activated, and the level path control element connects the level path with the first data path; the second GPIO port outputs a second potential, and the first data path control element and the second data path control element are turned off, so that the central processing unit and the power management chip are disconnected with the first data path.

After the central processing unit sends a recovery control instruction, the first GPIO port outputs a third potential, the level path control element is closed, and the level path control element disconnects the level path from the first data path; the second GPIO port outputs a fourth potential, triggers the first data path control element and the second data path control element, and resumes the connection of the central processor and the power management chip with the first data path.

It should be understood that the first, second, third and fourth potentials are used to indicate the level of the first potential and the third potential, the first potential is opposite to the third potential, the second potential is opposite to the fourth potential, for example, when the first potential is high, the third potential is low.

The embodiment provides a terminal, including memory, terminal card anomaly detection device and communication bus, when the terminal appears reading the card unusual, through passing through the level passageway between terminal card pin and the central processing unit level passageway control element transmission to data interface, maintenance personal accessible measures this level signal, detect out the circuit that causes reading the card unusual, in the solution prior art, when the terminal reads the card unusual, need tear open the machine and detect for detection efficiency is low, the degree of difficulty is high and easily causes the damage, also brings the problem of the sense of distrust for the user simultaneously, realized that the terminal also can detect out the effect that leads to the terminal card to read the unusual circuit of card under the circumstances of not tearing open the machine operation.

Fifth embodiment

The present embodiment provides a computer-readable storage medium storing one or more programs executable by one or more processors to implement the steps of photographing control as described in the first embodiment and/or the second embodiment and/or the third embodiment, which will not be described herein.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.

Claims

1. The utility model provides a terminal card anomaly detection device, includes central processing unit, power management chip, cassette, level access control element, data access control element and data interface, its characterized in that includes:

the abnormality detection module is used for connecting the central processing unit with the level passage formed by the connection of the card seat and the data interface through a first data passage, and comprises: the level access, the first data access and the second data access, wherein part of GPIO ports of the central processing unit are correspondingly connected with part of interfaces of the terminal card through the card holder to form the level access, at least one access in the level access is connected with the first data access through the level access control element, and the central processing unit is connected with the data interfaces through the first data access and the second data access, wherein the first data access is connected with the first data access control element; the power management chip is connected with the data interface through the first data path and the second data path, wherein the first data path is connected with a second data path control element;

The level access control element is connected with a first GPIO port of the central processing unit, the first data access control element and the second data access control element are connected with a second GPIO port of the central processing unit, the first GPIO port is used for outputting a first potential according to a control signal sent by the central processing unit when the terminal judges that card reading fails, the second GPIO port is used for outputting a second potential according to the control signal, the first data access control element and the second data access control element are used for being disconnected when the second potential is received, and the level access control element is used for communicating the level access with the first data access when the first potential is received.

2. The device for detecting abnormality of a terminal card according to claim 1, wherein the level path control element is a single-pole, multi-throw switch having a timer function, and the level path at one end of the switch is individually connected to the first data path at the other end in accordance with a set time.

3. The device for detecting anomalies in a terminal card of claim 1, wherein the data path control element is an NMOS tube.

4. A terminal card abnormality detection method applied to a terminal, characterized in that the terminal includes the terminal card abnormality detection device according to any one of claims 1 to 3, the terminal card abnormality detection method comprising:

the level path control element receives a first potential output by the first GPIO port and communicates the level path with the first data path.

5. The method for detecting abnormality of a terminal card according to claim 4, wherein after the terminal determines that the card identification has failed, an external data line paired with the data interface is connected to the data interface, and the voltage value of the signal of the first data path in the external data line is measured with an external device.

6. The method for detecting an abnormality of a terminal card according to claim 4, further comprising:

when a recovery control instruction is received, the first GPIO port is controlled to output a third potential opposite to the first potential, and the second GPIO port is controlled to output a fourth potential opposite to the second potential;

the first data path control element and the second data path control element receive a fourth potential which is opposite to the second potential and is output by the second GPIO port, and trigger the first data path control element and the second data path control element;

the level path control element receives a third potential opposite to the first potential output by the first GPIO port and disconnects the level path from the first data path.

7. The method for detecting an abnormality of a terminal card according to claim 6, further comprising:

the control signal can be directly sent out by the central processing unit after the terminal judges that card reading fails, or can be sent out by a user through a software interface or a physical key;

8. A terminal, characterized in that the terminal comprises the terminal card abnormality detection device according to any one of claims 1 to 3, further comprising a memory and a communication bus;

the central processor in the terminal card abnormality detection apparatus is configured to execute one or more programs stored in a memory to implement the steps of the terminal card abnormality detection method according to any one of claims 4 to 7.

9. A computer-readable storage medium storing one or more programs executable by one or more processors to implement the steps of the method for detecting a terminal card anomaly as recited in any one of claims 4-7.