CN109739517B - Printed circuit board, terminal, firmware burning method and readable storage medium - Google Patents
Printed circuit board, terminal, firmware burning method and readable storage medium Download PDFInfo
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- CN109739517B CN109739517B CN201811559322.4A CN201811559322A CN109739517B CN 109739517 B CN109739517 B CN 109739517B CN 201811559322 A CN201811559322 A CN 201811559322A CN 109739517 B CN109739517 B CN 109739517B
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Abstract
The embodiment of the application discloses a printed circuit board, a terminal, a firmware burning method and a readable storage medium, wherein the printed circuit board comprises a touch chip, a processor and reserved firmware burning test points; the processor is used for judging whether the firmware of the touch control chip fails to burn or not and outputting a first judgment result; the firmware burning test point is used for receiving firmware burning data of the touch chip under the condition that the firmware burning of the touch chip fails and the firmware burning test point is connected with the burning probe. According to the embodiment of the application, through the reserved firmware burning test point, when the firmware burning of the touch chip fails, the firmware burning test point is connected with the burning probe and receives the firmware burning data of the touch chip; the problem that the user terminal has functional defects and the user experience is reduced due to the fact that the firmware of the touch control chip fails to burn is solved; the touch control chip operation is avoided being maintained and replaced, the installation efficiency is improved, and the user experience is improved.
Description
Technical Field
The embodiment of the application relates to the technical field of terminals, in particular to a printed circuit board, a terminal, a firmware burning method and a readable storage medium.
Background
With the development of human-computer interface technology, touch sensing technology has been widely used due to the comfort and convenience of operation. Particularly, capacitive touch technology has been widely used in electronic devices such as mobile phones.
The basic working principle of the capacitive touch key is to judge whether a finger presses the touch key or not by detecting the change of the upper distributed capacitance of the capacitive touch sensing key. If the switch is not touched, the distributed capacitance of the touch key has a fixed capacitance value, and if the switch is touched by a finger, the distributed capacitance of the touch key is increased. Therefore, the touch action can be detected by measuring the change of the distributed capacitance on the touch key.
In the process of implementing the present application, the inventors found that the following problems exist in the prior art: the failure of the capacitive touch key is usually caused by the burning failure of the firmware of the touch chip, but the failure is unrecoverable, so that the mobile terminal of the user has functional defects, and the user experience is reduced.
Disclosure of Invention
In view of the above, an objective of the embodiments of the present application is to provide a printed circuit board, a terminal, a firmware burning method and a readable storage medium, so as to solve the problem that the user terminal has functional defects and reduces user experience due to the failure of burning firmware of a touch chip.
The technical scheme adopted by the embodiment of the application for solving the technical problems is as follows:
according to one aspect of the embodiments of the present application, a printed circuit board is provided, where the printed circuit board includes a touch chip, a processor, and a reserved firmware burning test point;
the processor is used for judging whether the firmware of the touch control chip fails to burn or not and outputting a first judgment result;
the firmware burning test point is used for receiving firmware burning data of the touch chip under the condition that the firmware burning of the touch chip fails and the firmware burning test point is connected with the burning probe.
In one embodiment, the firmware burning test points include a power supply test point, a ground test point, a data signal line test point, a clock signal line test point and an interrupt signal test point;
the power supply test point and the ground test point are connected with the touch chip;
the data signal line test point, the clock signal line test point and the interrupt signal test point are respectively connected with the touch chip and the processor.
In one embodiment, the printed circuit board further comprises a touch key connected with the touch chip;
the touch control key is used for receiving key operation;
the touch chip is used for acquiring capacitance value data corresponding to the key operation;
the processor is further configured to determine whether the firmware of the touch chip fails to burn according to the capacitance value data corresponding to the key operation, and output a second determination result.
According to another aspect of the embodiments of the present application, there is provided a terminal including a terminal display screen and a printed circuit board; the printed circuit board comprises a touch chip, a processor and reserved firmware burning test points;
the processor is used for judging whether the firmware of the touch control chip fails to burn or not and outputting a first judgment result;
the terminal display screen is used for receiving and displaying a first judgment result output by the processor;
the firmware burning test point is used for receiving firmware burning data of the touch chip under the condition that the firmware burning of the touch chip fails and the firmware burning test point is connected with the burning probe.
In one embodiment, the firmware burning test points include a power supply test point, a ground test point, a data signal line test point, a clock signal line test point and an interrupt signal test point;
the power supply test point and the ground test point are connected with the touch chip;
the data signal line test point, the clock signal line test point and the interrupt signal test point are respectively connected with the touch chip and the processor.
In one embodiment, the printed circuit board further comprises a touch key connected with the touch chip;
the touch control key is used for receiving key operation;
the touch chip is used for acquiring capacitance value data corresponding to the key operation;
the processor is further configured to determine whether the firmware of the touch chip fails to be burned according to the capacitance value data corresponding to the key operation, and output a second determination result;
and the terminal display screen is used for receiving and displaying the second judgment result output by the processor.
According to another aspect of the embodiments of the present application, a firmware burning method is provided, and the method is used for a terminal, and the method includes:
judging whether the firmware of the touch control chip fails to burn;
and under the condition that the firmware burning of the touch chip fails and the firmware burning test point is connected with the burning probe, receiving the firmware burning data of the touch chip.
In one embodiment, the determining whether the firmware of the touch chip fails to burn includes:
acquiring a firmware version number reading instruction;
reading the firmware version number of the touch chip according to the firmware version number reading instruction;
identifying the read firmware version number of the touch chip;
under the condition that the firmware version number of the touch chip is identified, determining that the firmware of the touch chip is successfully burnt; and under the condition that the firmware version number of the touch chip is not identified, determining that the firmware burning of the touch chip fails.
In one embodiment, the determining whether the firmware of the touch chip fails to burn includes:
receiving key operation;
acquiring capacitance value data corresponding to the key operation;
and judging whether the firmware of the touch chip fails to burn according to the capacitance value data corresponding to the key operation.
According to another aspect of the embodiments of the present application, a readable storage medium is provided, where a firmware burning program is stored on the readable storage medium, and the firmware burning program when executed by the processor implements the steps of the firmware burning method.
According to the printed circuit board, the terminal, the firmware burning method and the readable storage medium, when the firmware burning of the touch chip fails through the reserved firmware burning test point, the printed circuit board, the terminal, the firmware burning method and the readable storage medium are connected with the burning probe and receive the firmware burning data of the touch chip; the problem that the user terminal has functional defects and the user experience is reduced due to the fact that the firmware of the touch control chip fails to burn is solved; the touch control chip operation is avoided being maintained and replaced, the installation efficiency is improved, and the user experience is improved.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present application;
fig. 2 is a schematic diagram of a communication network system according to an embodiment of the present application;
fig. 3 is a schematic diagram of a printed circuit board structure according to a first embodiment of the present application;
fig. 4 is a schematic structural diagram of a printed circuit board according to a first embodiment of the present application;
fig. 5 is a schematic diagram of a terminal structure according to a second embodiment of the present application;
fig. 6 is a schematic structural diagram of an example terminal according to an embodiment of the present application;
fig. 7 is a flowchart of a firmware burning method according to a third embodiment of the present disclosure.
The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments, referring to the attached drawings.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the application clearer and more obvious, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
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 top computers, PDAs (PersonalDigital Assistant, personal digital assistants), PMPs (Portable Media Player, portable media players), 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 (Code Division Multiple Access, CDMA 2000), WCDMA (Wideband 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, switch 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
As shown in fig. 3, a first embodiment of the present application provides a printed circuit board, which includes a touch chip 31, a processor 32, and a reserved firmware burning test point 33.
The processor 32 is configured to determine whether the firmware of the touch chip 31 fails to burn and output a first determination result.
Specifically, the processor 32 may obtain a firmware version number read instruction; reading the firmware version number of the touch chip 31 according to the firmware version number reading instruction; identifying the read firmware version number of the touch chip 31; under the condition that the firmware version number of the touch chip 31 is identified, determining that the firmware of the touch chip 31 is successfully burnt; and determining that the firmware burning of the touch chip 31 fails under the condition that the firmware version number of the touch chip 31 is not recognized.
The firmware writing test point 33 is configured to receive firmware writing data of the touch chip 31 when the firmware writing of the touch chip 31 fails and the firmware writing test point 33 is connected with a writing probe.
In one embodiment, the firmware burning test points include a power supply test point, a ground test point, a data signal line test point, a clock signal line test point and an interrupt signal test point;
the power supply test point and the ground test point are connected with the touch chip 31;
the data signal line test point, the clock signal line test point and the interrupt signal test point are respectively connected with the touch chip 31 and the processor 32.
As an example, it can be understood with reference to fig. 6 that the firmware burn test points include a VCC test point, a GND test point, an SDA test point, an SCL test point, and an INT test point. The VCC test point and the GND test point are connected with the capacitive touch chip, and the SDA test point, the SCL test point and the INT test point are respectively connected with the capacitive touch chip and the CPU.
And carrying out clamp manufacture according to the positions of the five test points through five test points reserved on the printed circuit board. The fixture is manufactured by making five downward burning probes on one fixture, placing the main board with the problem of touch failure on the fixture, enabling the burning probes to contact five test points when the fixture is pressed down, switching to a computer interface through a firmware burning tool, installing the touch chip burning tool on a computer, and recovering the firmware burning by an I2C mode without picking up a chip and replacing the chip with a new operation, thereby avoiding damage to the main board.
Referring to fig. 4, in another embodiment, the printed circuit board further includes a touch key 30 connected to the touch chip 31;
the touch key 30 is configured to receive a key operation;
the touch chip 31 is configured to obtain capacitance value data corresponding to the key operation;
the processor 32 is further configured to determine whether the firmware of the touch chip 31 fails to burn according to the capacitance value data corresponding to the key operation, and output a second determination result.
In this embodiment, by operating the touch key 30, if the touch chip 31 can obtain the capacitance data corresponding to the key operation and report the capacitance data to the processor 32, it can be determined that the firmware of the touch chip 31 is successfully burned. Otherwise, it may be determined that the firmware burning of the touch chip 31 fails.
The printed circuit board of the embodiment of the application is connected with the programming probe and receives the firmware programming data of the touch chip when the firmware programming of the touch chip fails through the reserved firmware programming test point; the problem that the user terminal has functional defects and the user experience is reduced due to the fact that the firmware of the touch control chip fails to burn is solved; the touch control chip operation is avoided being maintained and replaced, the installation efficiency is improved, and the user experience is improved.
Second embodiment
As shown in fig. 5, a second embodiment of the present application provides a terminal, which includes a terminal display 321 and a printed circuit board; the printed circuit board comprises a touch chip 31, a processor 32 and a reserved firmware burning test point 33.
The processor 32 is configured to determine whether the firmware of the touch chip 31 fails to burn and output a first determination result.
Specifically, the processor 32 may obtain a firmware version number read instruction; reading the firmware version number of the touch chip 31 according to the firmware version number reading instruction; identifying the read firmware version number of the touch chip 31; under the condition that the firmware version number of the touch chip 31 is identified, determining that the firmware of the touch chip 31 is successfully burnt; and determining that the firmware burning of the touch chip 31 fails under the condition that the firmware version number of the touch chip 31 is not recognized.
The terminal display 321 is configured to receive and display the first determination result output by the processor 32;
as an example, if the processor 32 identifies the firmware version number of the touch chip 31, that is, determines that the firmware of the touch chip 31 is successfully burned, the terminal display 321 may display green. If the processor 32 does not recognize the firmware version number of the touch chip 31, that is, determines that the firmware burning of the touch chip 31 fails, the terminal display 321 may display red.
The firmware writing test point 33 is configured to receive firmware writing data of the touch chip 31 when the firmware writing of the touch chip 31 fails and the firmware writing test point 33 is connected with a writing probe.
In one embodiment, the firmware burning test points include a power supply test point, a ground test point, a data signal line test point, a clock signal line test point and an interrupt signal test point;
the power supply test point and the ground test point are connected with the touch chip 31;
the data signal line test point, the clock signal line test point and the interrupt signal test point are respectively connected with the touch chip 31 and the processor 32.
As an example, it can be understood with reference to fig. 6 that the firmware burn test points include a VCC test point, a GND test point, an SDA test point, an SCL test point, and an INT test point. The VCC test point and the GND test point are connected with the capacitive touch chip, and the SDA test point, the SCL test point and the INT test point are respectively connected with the capacitive touch chip and the CPU.
And carrying out clamp manufacture according to the positions of the five test points through five test points reserved on the printed circuit board. The fixture is manufactured by making five downward burning probes on one fixture, placing the main board with the problem of touch failure on the fixture, enabling the burning probes to contact five test points when the fixture is pressed down, switching to a computer interface through a firmware burning tool, installing the touch chip burning tool on a computer, and recovering the firmware burning by an I2C mode without picking up a chip and replacing the chip with a new operation, thereby avoiding damage to the main board.
As can be appreciated in conjunction with fig. 4, in another embodiment, the printed circuit board further includes a touch key connected to the touch chip;
the touch key 30 is configured to receive a key operation;
the touch chip 31 is configured to obtain capacitance value data corresponding to the key operation;
the processor 32 is further configured to determine whether the firmware of the touch chip 31 fails to burn according to the capacitance value data corresponding to the key operation, and output a second determination result;
the terminal display 321 is configured to receive and display the second determination result output by the processor.
For better illustrating the present embodiment, a mobile phone is taken as an example and described with reference to fig. 6:
as shown in fig. 6, the capacitive touch key 1 and the capacitive touch key 2 are respectively connected with a capacitive touch chip through a resistor R1 and a resistor R2, the capacitive touch chip is connected with a CPU through an SDA (data signal line), an SCL (clock signal line) and an INT (interrupt signal line), and the CPU is connected with a mobile phone display screen.
Five test points, namely a VCC test point, a GND test point, an SDA test point, an SCL test point and an INT test point are reserved on a mobile phone main board. The VCC test point and the GND test point are connected with the capacitive touch chip, and the SDA test point, the SCL test point and the INT test point are respectively connected with the capacitive touch chip and the CPU.
The mobile phone user can read the firmware version number of the capacitive touch chip by inputting a firmware version number reading instruction to the CPU and the CPU reads the firmware version number of the capacitive touch chip according to the firmware version number reading instruction; identifying the read firmware version number of the capacitive touch chip; under the condition that the firmware version number of the capacitive touch chip is identified, displaying green on a mobile phone display screen, namely determining that the firmware of the capacitive touch chip is successfully burnt; and displaying red on a mobile phone display screen under the condition that the firmware version number of the capacitive touch chip is not recognized, namely determining that the firmware burning of the capacitive touch chip fails.
The mobile phone user can press the capacitive touch key 1 or the capacitive touch key 2, and the capacitive touch chip acquires the capacitance value data corresponding to the capacitive touch key 1 or the capacitive touch key 2 and reports the capacitance value data to the CPU, and meanwhile, the capacitance value data is displayed on a mobile phone display screen, so that whether the firmware of the capacitive touch chip is burnt failure or burnt success is determined.
Under the condition that the firmware burning of the capacitive touch chip is determined to be failed, five test points can be contacted through a burning probe of the clamp, the test points are transferred to a computer interface through a firmware burning tool, the touch chip burning tool is installed on a computer, firmware burning data of the capacitive touch chip are re-burnt to the capacitive touch chip in an I2C mode, new operation of replacing the chip is not needed, and damage to a mobile phone mainboard is avoided.
The terminal of the embodiment of the application is connected with the programming probe and receives the firmware programming data of the touch chip when the firmware programming of the touch chip fails through the reserved firmware programming test point; the problem that the user terminal has functional defects and the user experience is reduced due to the fact that the firmware of the touch control chip fails to burn is solved; the touch control chip operation is avoided being maintained and replaced, the installation efficiency is improved, and the user experience is improved.
Third embodiment
As shown in fig. 7, a third embodiment of the present application provides a firmware burning method, which is used for a terminal, and the structure of the terminal can refer to the second embodiment, which is not described herein.
The method comprises the following steps:
step S41, judging whether the firmware of the touch chip fails to burn;
step S42, receiving firmware burning data of the touch chip under the condition that the firmware burning of the touch chip fails and the firmware burning test point is connected with the burning probe.
In one embodiment, the determining whether the firmware of the touch chip fails to burn includes:
acquiring a firmware version number reading instruction;
reading the firmware version number of the touch chip according to the firmware version number reading instruction;
identifying the read firmware version number of the touch chip;
under the condition that the firmware version number of the touch chip is identified, determining that the firmware of the touch chip is successfully burnt; and under the condition that the firmware version number of the touch chip is not identified, determining that the firmware burning of the touch chip fails.
In another embodiment, the determining whether the firmware of the touch chip fails to burn includes:
receiving key operation;
acquiring capacitance value data corresponding to the key operation;
and judging whether the firmware of the touch chip fails to burn according to the capacitance value data corresponding to the key operation.
According to the firmware burning method, when the firmware burning of the touch chip fails through the reserved firmware burning test points, the firmware burning test points are connected with the burning probes and receive firmware burning data of the touch chip; the problem that the user terminal has functional defects and the user experience is reduced due to the fact that the firmware of the touch control chip fails to burn is solved; the touch control chip operation is avoided being maintained and replaced, the installation efficiency is improved, and the user experience is improved.
Fourth embodiment
A fourth embodiment of the present application provides a readable storage medium, where a firmware burning program is stored, where the firmware burning program is used to implement the steps of the firmware burning method described in the third embodiment when executed by a processor.
It should be noted that, the readable storage medium of the present embodiment belongs to the same concept as the method of the third embodiment, the specific implementation process of the readable storage medium is detailed in the method embodiment, and the technical features of the method embodiment are correspondingly applicable in the present embodiment, which is not repeated herein.
The readable storage medium of the embodiment of the application is connected with the programming probe and receives the firmware programming data of the touch chip when the firmware programming of the touch chip fails through the reserved firmware programming test point; the problem that the user terminal has functional defects and the user experience is reduced due to the fact that the firmware of the touch control chip fails to burn is solved; the touch control chip operation is avoided being maintained and replaced, the installation efficiency is improved, and the user experience is improved.
Those of ordinary skill in the art will appreciate that all or some of the steps, systems, functional modules/units in the apparatus, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between the functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed cooperatively by several physical components. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
The preferred embodiments of the present application have been described above with reference to the accompanying drawings, and are not thereby limiting the scope of the claims of the present application. Any modifications, equivalent substitutions and improvements made by those skilled in the art without departing from the scope and spirit of the present application shall fall within the scope of the claims of the present application.
Claims (7)
1. The printed circuit board is characterized by comprising a touch chip, a processor and reserved firmware burning test points;
the processor is used for judging whether the firmware of the touch control chip fails to burn or not and outputting a first judgment result;
the firmware burning test point is used for receiving firmware burning data of the touch chip under the condition that the firmware burning of the touch chip fails and the firmware burning test point is connected with the burning probe;
the printed circuit board further comprises a touch key connected with the touch chip;
the touch control key is used for receiving key operation;
the touch chip is used for acquiring capacitance value data corresponding to the key operation;
the processor is further configured to determine whether the firmware of the touch chip fails to burn according to the capacitance value data corresponding to the key operation, and output a second determination result.
2. The printed circuit board of claim 1, wherein the firmware burn-in test points include a power supply test point, a ground test point, a data signal line test point, a clock signal line test point, and an interrupt signal test point;
the power supply test point and the ground test point are connected with the touch chip;
the data signal line test point, the clock signal line test point and the interrupt signal test point are respectively connected with the touch chip and the processor.
3. A terminal, characterized in that the terminal comprises a terminal display screen and a printed circuit board; the printed circuit board comprises a touch chip, a processor and reserved firmware burning test points;
the processor is used for judging whether the firmware of the touch control chip fails to burn or not and outputting a first judgment result;
the terminal display screen is used for receiving and displaying a first judgment result output by the processor;
the firmware burning test point is used for receiving firmware burning data of the touch chip under the condition that the firmware burning of the touch chip fails and the firmware burning test point is connected with the burning probe;
the printed circuit board further comprises a touch key connected with the touch chip;
the touch control key is used for receiving key operation;
the touch chip is used for acquiring capacitance value data corresponding to the key operation;
the processor is further configured to determine whether the firmware of the touch chip fails to be burned according to the capacitance value data corresponding to the key operation, and output a second determination result;
and the terminal display screen is used for receiving and displaying the second judgment result output by the processor.
4. The terminal of claim 3, wherein the firmware burn test points include a power supply test point, a ground test point, a data signal line test point, a clock signal line test point, and an interrupt signal test point;
the power supply test point and the ground test point are connected with the touch chip;
the data signal line test point, the clock signal line test point and the interrupt signal test point are respectively connected with the touch chip and the processor.
5. A firmware burning method for a terminal, the method comprising:
judging whether the firmware of the touch control chip fails to burn;
receiving firmware burning data of the touch chip under the condition that the firmware burning of the touch chip fails and the firmware burning test point is connected with the burning probe;
the judging whether the firmware of the touch control chip fails to burn includes:
receiving key operation;
acquiring capacitance value data corresponding to the key operation;
and judging whether the firmware of the touch chip fails to burn according to the capacitance value data corresponding to the key operation.
6. The method of firmware burning according to claim 5, wherein the determining whether the firmware of the touch chip fails to burn comprises:
acquiring a firmware version number reading instruction;
reading the firmware version number of the touch chip according to the firmware version number reading instruction;
identifying the read firmware version number of the touch chip;
under the condition that the firmware version number of the touch chip is identified, determining that the firmware of the touch chip is successfully burnt; and under the condition that the firmware version number of the touch chip is not identified, determining that the firmware burning of the touch chip fails.
7. A readable storage medium, wherein a firmware burning program is stored on the readable storage medium, and the firmware burning program when executed implements the steps of the firmware burning method according to any one of claims 5 to 6.
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| CN201811559322.4A CN109739517B (en) | 2018-12-19 | 2018-12-19 | Printed circuit board, terminal, firmware burning method and readable storage medium |
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| CN201811559322.4A CN109739517B (en) | 2018-12-19 | 2018-12-19 | Printed circuit board, terminal, firmware burning method and readable storage medium |
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| CN114913807B (en) * | 2021-01-29 | 2024-01-09 | 东莞市欧思科光电科技有限公司 | LED driving chip, address writing device, LED display device and address writing method |
| CN113970694A (en) * | 2021-10-18 | 2022-01-25 | 深圳市汇川技术股份有限公司 | Method, device, equipment and medium for obtaining coverage rate of test points of printed circuit board |
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