CN105718281B - A kind of touch screen firmware upgrade method and device - Google Patents
A kind of touch screen firmware upgrade method and device Download PDFInfo
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- CN105718281B CN105718281B CN201510456708.2A CN201510456708A CN105718281B CN 105718281 B CN105718281 B CN 105718281B CN 201510456708 A CN201510456708 A CN 201510456708A CN 105718281 B CN105718281 B CN 105718281B
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Abstract
The present invention is suitable for technical field of touch control, provides a kind of touch screen firmware upgrade method and device, which comprises obtains the firmware version number stored in touch screen register；Compare the size of the firmware version number stored in new firmware version number and register；When new firmware version number is greater than the firmware version number stored in register, IIC read/write function is called, updates the firmware version stored in register.The present invention adjusts the corresponding IIC address information of IIC read/write function in real time, reads corresponding data, obtain the version number of current touch screen according to touch screen IIC read/write function；By comparing version number's size, achieve the purpose that more new version.It solves in the case where two IIC address informations, data corresponding to IIC address information cannot be read, lead to not update touch screen firmware；It ensure that and be not required to remove touch screen again, so that it may update touch screen firmware, not only avoid removing touch screen, again burning firmware, also improve the production management efficiency of touch screen.
Description
Technical field
The invention belongs to technical field of touch control more particularly to a kind of touch screen firmware upgrade methods and device.
Background technique
With the development of touch technology and terminal technology, more and more terminal devices carry out man-machine friendship using touch control manner
Mutually.Currently, in touch screen production process, producer is usually using own software and tool by firmware programming to touch screen IC
(Inter-Integrated, integrated circuit), while packaged touch screen IC.When needing to update touch screen firmware function and data
When, touch screen has been packaged or has been installed on mobile terminal, blocks the upgrading of touch screen firmware.
However, the existing method for updating touch screen firmware, has been packaged or has been installed to mobile terminal situation in touch screen
Under, it cannot be guaranteed that being successfully updated touch screen firmware when not dismantling mobile terminal or touch screen.The reason is that being moved in android
When dynamic terminal updates touch screen firmware, it is desirable to provide Android system interface, when update need to dismantle mobile terminal or touch
Screen；And when windows Phone mobile terminal system updates touch screen firmware, when touch screen includes two IIC (Inter-
Integrated Circuit, IC bus) address information when, IIC read/write function cannot accurately read IIC address information
Corresponding data cause read-write to fail, therefore cannot ensure the success of touch screen firmware update.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of touch screen firmware upgrade method, it is intended to existing update touch screen
In the method for firmware, in the case where touch screen includes two IIC address informations, IIC read/write function cannot read the address IIC letter
The corresponding data of breath, lead to not the problem of updating touch screen firmware.
The embodiments of the present invention are implemented as follows, and a kind of touch screen firmware upgrade method includes:
Obtain the firmware version number stored in touch screen register；
Compare the size of the firmware version number stored in new firmware version number and register；
When new firmware version number is greater than the firmware version number stored in register, IIC read/write function is called, update is posted
The firmware version stored in storage.
The another object of the embodiment of the present invention is to provide a kind of touch screen device for upgrading firmware, comprising:
Version number obtains module, for obtaining the firmware version number stored in touch screen register；
Judgment module, for comparing the size of the firmware version number stored in new firmware version number and register；
Update module, for calling IIC to read when new firmware version number is greater than the firmware version number stored in register
Function is write, the firmware version stored in register is updated.
In embodiments of the present invention, according to the firmware version number stored in acquisition touch screen register；Compare new firmware
The size of the firmware version number stored in version number and register；When new firmware version number is greater than the firmware stored in register
When version number, IIC read/write function is called, updates the firmware version stored in register.It avoids mobile in windows Phone
When terminal system updates touch screen firmware, and in the case that touch screen includes two IIC address informations, the address IIC cannot be read
Data corresponding to information lead to the problem of can not updating touch screen firmware occur；It ensure that and be not required to remove touch screen again, just
Renewable touch screen firmware not only avoids removing touch screen, again burning firmware and increases workload, also improves the life of touch screen
Produce the efficiency of management.
Detailed description of the invention
Fig. 1 is the implementation flow chart of touch screen firmware upgrade method provided in an embodiment of the present invention；
Fig. 2 is the implementation process figure of touch screen firmware upgrade method step S101 provided in an embodiment of the present invention；
Fig. 3 is the implementation process figure for including before step S101 provided in an embodiment of the present invention；
Fig. 4 is the implementation process figure of step S302 provided in an embodiment of the present invention；
Fig. 5 is the first structure block diagram of touch screen device for upgrading firmware provided in an embodiment of the present invention；
Fig. 6 is the structural block diagram that version obtains module in touch screen device for upgrading firmware provided in an embodiment of the present invention；
Fig. 7 is the second structural block diagram of touch screen device for upgrading firmware provided in an embodiment of the present invention；
Fig. 8 is the structural block diagram of control module in touch screen device for upgrading firmware provided in an embodiment of the present invention；
Fig. 9 is the third structural block diagram of touch screen device for upgrading firmware provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment one
Fig. 1 is the implementation flow chart of touch screen firmware upgrade method provided in an embodiment of the present invention, and details are as follows:
In step s101, the firmware version number stored in touch screen register is obtained；
Wherein, the touch screen driving in mobile terminal, IIC read/write function read the touch screen stored in touch screen register
Firmware version number.
The operating system of the running of mobile terminal, including but not limited to Windows Phone operating system, Android
Operating system, ios operating system are, it is preferable to use system is based on 8.1 operating system of Windows phone.
Wherein, touch screen register includes the register of capacitive touch screen and the touch screen of inductive touch.
In step s 102, the size of the firmware version number stored in new firmware version number and register is compared；
Wherein, the firmware version number stored in new firmware version number and register is compared.
In step s 103, when new firmware version number is greater than the firmware version number stored in register, IIC is called
(IC bus) read/write function updates the firmware version stored in register.
When the firmware version number stored in register is less than new firmware version number, the IIC read/write function, which is chosen, to be needed
The firmware version to be updated writes its corresponding data on the corresponding address of register storage version number, and what will be stored consolidates
Part edition upgrading is new firmware version.
Wherein, the firmware version for needing to update preferentially is chosen for newest version number, secondly, can also be according to the choosing of user
It selects, upgrades to the version number of user's selection.
Wherein, the firmware version for needing to update are as follows: different data between the firmware version of storage and new firmware version.
When the firmware version number stored in register is not less than new firmware version number, without processing.
In embodiments of the present invention, according to the firmware version number stored in acquisition touch screen register；Compare new firmware
The size of the firmware version number stored in version number and register；When new firmware version number is greater than the firmware stored in register
When version number, IIC read/write function is called, updates the firmware version stored in register.It avoids mobile in windows Phone
When terminal system updates touch screen firmware, and in the case that touch screen includes two IIC address informations, the address IIC cannot be read
Data corresponding to information lead to the problem of can not updating touch screen firmware occur；It ensure that and be not required to remove touch screen again, just
Renewable touch screen firmware not only avoids removing touch screen, again burning firmware and increases workload, also improves the life of touch screen
Produce the efficiency of management.
Embodiment two
Fig. 2 is the implementation process figure of touch screen firmware upgrade method step S101 provided in an embodiment of the present invention, is described in detail such as
Under:
In step s 201, the driver for initializing touch screen obtains two IIC that the touch screen is configured in ACPI
Address information；
Wherein, mobile terminal is opened, the driver of touch screen is loaded, initializes driver, obtains ACPI
(Advanced Configuration and Power Management Interface, advanced configuration and power management connect
Mouthful) configuration touch screen two IIC address informations, when updating the touch screen firmware, control reseting pin current level be
High level or low level write the corresponding instruction of function write-in according to IIC, obtain the current firmware version number of the touch screen.
In step S202, assigns two IIC address informations to IIC read/write function at random, it is corresponding to read IIC address information
Data, wherein the IIC read/write function includes that IIC reads function and IIC and writes function；
Wherein, any of two IIC address informations are worth and assign IIC read/write function, function is read by IIC and reads IIC
The corresponding register of address information obtains the data of touch screen register corresponding to different IIC address informations.
In step S203, when the IIC, which reads function, reads data corresponding less than IIC address information, two are exchanged
The sequence of IIC address information assigns IIC read/write function again, until IIC reading function reads IIC address information and corresponds to
Data.
Wherein, in ACPI, the sequence of two IIC address informations, the driving of the touch screen are configured anyway
It works normally.Such as: the value of two IIC address informations is assigned to two variables at random, when being wherein endowed IIC address information
When IIC read/write function cannot read correct data, the sequence of two IIC address informations is exchanged, IIC is assigned again and reads and writes letter
Number, until the IIC reads function and reads the corresponding data of IIC address information.
Wherein, the correct data of reading mainly includes the current version number of firmware in touch screen, solid by obtaining touch screen
Part current version number decides whether to update touch screen firmware.
When IIC read/write function, which can be read, is endowed the corresponding data of IIC address information, then IIC address information is not exchanged
Sequence.
In embodiments of the present invention, without removing touch screen, again burning firmware, also achievable touch screen firmware upgrade.
Embodiment three
Fig. 3 be step S101 provided in an embodiment of the present invention before implementation process figure, details are as follows:
In step S301, GPIO target is created, the touch screen and central processing unit are connected to；
Wherein, GPIO target is created, the channel of information transmission between touch screen and central processing unit is completed.
In step s 302, GPIO target is initialized, the current level for controlling the reseting pin of the touch screen GPIO is
High level or low level.
Wherein, by initialization GPIO, (General Purpose Input Output, universal input/output mainly connect
Connect central processing unit and touch screen IC) target, using the read/write function of GPIO, when the reseting pin for needing to control GPIO is high electricity
Usually, the read/write function of GPIO is called to be written 1；When the reseting pin for needing to control GPIO is low level, the reading of GPIO is called
Write function write-in 0.
For purposes of illustration only, details are as follows by taking practical application as an example:
By controlling the state of the reseting pin current level of GPIO, reset operation is carried out to touch screen chip, with again
Carry out the electrifying timing sequence of touch screen.
In embodiments of the present invention, in order to control the state of GPIO reseting pin, GPIO target is created, GPIO mesh is initialized
Mark, reaching control GPIO pin is high level or low level purpose, therefore draws high or drag down the reseting pin of GPIO, be ensure that
It is not required to remove touch screen again, so that it may update touch screen firmware.
Example IV
Fig. 4 is the implementation process figure of step S302 provided in an embodiment of the present invention, and details are as follows:
In step S401, when the touch screen firmware does not update, the current level for controlling reseting pin is high level
Or low level, the corresponding instruction of function write-in is write according to IIC, obtains the current firmware version number of the touch screen；
Wherein, by first assigning one of IIC address information to IIC read-write at random in touch screen initialization program
Function, if it is possible to when directly reading the corresponding correct data of current IIC address information, then it is suitable not exchange IIC address information
Sequence；If current IIC address information corresponding correct data can not be directly read, two IIC address informations are exchanged
Sequence, until the IIC read/write function reads correct data.
In step S402, when the touch screen firmware update is completed, by the current electricity for dragging down the reseting pin
It puts down as low level, restarts touch screen.
Wherein, it after the completion of locating touch screen firmware update, calls the read/write function of GPIO to be written 0, reseting pin is drawn
Low is low level, so that the touch screen restarts, is started to work.
In embodiments of the present invention, by controlling GPIO reseting pin, switch two IIC address informations in real time, reach reading
Data corresponding to different IIC address informations are taken, avoid removing touch screen and realizing the upgrading of touch screen firmware, to both guarantee
The stability of touch screen firmware upgrade, also improves the upgrading efficiency of touch screen.
Embodiment five
The present embodiment essentially describes the implementation process of touch screen firmware upgrade in practical applications, and details are as follows:
1, in the case where networking, mobile terminal is opened, the driver of touch screen is loaded；
2, two IIC address informations corresponding to the ACPI interface of the touch screen are obtained；
3, GPIO target is created, the touch screen and central processing unit are connected to；
4, GPIO target is initialized, GPIO read/write function is driven；
5, according to user's needs, GPIO read/write function described in real-time calling controls the current level of the GPIO reseting pin
State；
6, start IIC read/write function, assign two IIC address informations to IIC read/write function at random, read the address IIC letter
Cease corresponding data；
7, when the IIC, which reads function, reads data corresponding less than IIC address information, two IIC address informations are exchanged
Sequence, again assign IIC read/write function, until the IIC read function read the corresponding data of IIC address information；
8, it is high level or low level according to the current level of the reseting pin is controlled, function is write by IIC, phase is written
The instruction answered obtains the current version of firmware number stored in the touch screen register, compares new firmware version number and deposit
The size of the firmware version number stored in device；
9, when new firmware version number is greater than the firmware version number stored in register, IIC read/write function is called, is updated
The firmware version stored in register；
When the firmware version number stored in register is not less than new firmware version number, without processing.
In embodiments of the present invention, data are read and write from different IIC address informations；It ensure that and be not required to remove touching again
Touch screen, so that it may update touch screen firmware, not only avoid the occurrence of the feelings removed touch screen, again burning firmware and increase workload
Condition can also improve the production management efficiency of touch screen.
Embodiment six
Fig. 5 is the first structure block diagram of touch screen device for upgrading firmware provided in an embodiment of the present invention, which can transport
Row is in mobile terminal.For ease of description, only the parts related to this embodiment are shown.
Referring to Fig. 5, the touch screen device for upgrading firmware, comprising:
Version number obtains module 51, for obtaining the firmware version number stored in touch screen register；
Judgment module 52, for comparing the size of the firmware version number stored in new firmware version number and register；
Update module 53, for calling IIC when new firmware version number is greater than the firmware version number stored in register
Read/write function updates the firmware version stored in register.
It is touch screen firmware provided in an embodiment of the present invention with reference to Fig. 6, Fig. 6 in a kind of implementation of the present embodiment
Version obtains the structural block diagram of module 51 in update device, and in the touch screen device for upgrading firmware, the version obtains module
51 include:
Acquiring unit 511 obtains two that the touch screen is configured in ACPI for initializing the driver of touch screen
IIC address information；
Reading unit 512 reads IIC address information for assigning two IIC address informations to IIC read/write function at random
Corresponding data, wherein the IIC read/write function includes that IIC reading function and IIC write function；
Crosspoint 513, for exchanging two when the IIC reads function reading data corresponding less than IIC address information
The sequence of a IIC address information assigns IIC read/write function again, until the IIC reads function and reads IIC address information pair
The data answered.
It is touch screen firmware provided in an embodiment of the present invention with reference to Fig. 7, Fig. 7 in a kind of implementation of the present embodiment
Second structural block diagram of update device, in the touch screen device for upgrading firmware, comprising:
Creation module 54 is connected to the touch screen and central processing unit for creating GPIO target；
Control module 55 controls the current level of the reseting pin of the touch screen GPIO for initializing GPIO target
For high level or low level.
It is touch screen firmware provided in an embodiment of the present invention with reference to Fig. 8, Fig. 8 in a kind of implementation of the present embodiment
The structural block diagram of control module 55 in update device, in the touch screen device for upgrading firmware, the control module 55 includes:
First control unit 551, for when the touch screen firmware does not update, the current level for controlling reseting pin to be
High level or low level write the corresponding instruction of function write-in according to IIC, obtain the current firmware version number of the touch screen；
Second control unit 552 is used for when the touch screen firmware update is completed, by dragging down the reseting pin
Current level is low level, restarts touch screen.
It is touch screen firmware provided in an embodiment of the present invention with reference to Fig. 9, Fig. 9 in a kind of implementation of the present embodiment
The third structural block diagram of update device, in the touch screen device for upgrading firmware, further includes:
Not update module 56, for being less than or equal to the firmware version number stored in register when new firmware version number
When, the firmware in the touch screen is not updated.
Device provided in an embodiment of the present invention can be applied in aforementioned corresponding embodiment of the method, and details are referring to above-mentioned reality
The description of example is applied, details are not described herein.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can borrow
Help software that the mode of required common hardware is added to realize.The program can store in read/write memory medium, described
Storage medium, as random access memory, flash memory, read-only memory, programmable read only memory, electrically erasable programmable storage
Device, register etc..The storage medium is located at memory, and processor reads the information in memory, executes this hair in conjunction with its hardware
Method described in bright each embodiment.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (8)
1. a kind of touch screen firmware upgrade method characterized by comprising
Obtain the firmware version number stored in touch screen register；
Compare the size of the firmware version number stored in new firmware version number and register；
When new firmware version number is greater than the firmware version number stored in register, IIC read/write function is called, updates register
The firmware version of middle storage；
It is wherein, described to obtain the firmware version number stored in touch screen register, specifically:
The driver for initializing touch screen, obtains two IIC address informations that the touch screen is configured in ACPI；
It assigns two IIC address informations to IIC read/write function at random, reads the corresponding data of IIC address information, wherein described
IIC read/write function includes that IIC reading function and IIC write function；
When the IIC, which reads function, reads data corresponding less than IIC address information, the sequence of two IIC address informations is exchanged,
Again IIC read/write function is assigned, until the IIC reads function and reads the corresponding data of IIC address information.
2. the method as described in claim 1, which is characterized in that described to obtain the firmware version number stored in touch screen register
Before, further includes:
GPIO target is created, the touch screen and central processing unit are connected to；
GPIO target is initialized, the current level for controlling the reseting pin of the touch screen GPIO is high level or low level.
3. method according to claim 2, which is characterized in that the reseting pin of the control touch screen GPIO it is current
Level be high level or low level, specifically:
When the touch screen firmware does not update, the current level for controlling reseting pin is high level or low level, is write according to IIC
The corresponding instruction of function write-in, obtains the current firmware version number of the touch screen；
When the touch screen firmware update is completed, the current level by dragging down the reseting pin is low level, restarts touching
Touch screen.
4. the method as described in claim 1, which is characterized in that further include:
When new firmware version number is less than or equal to the firmware version number stored in register, do not update in the touch screen
Firmware.
5. a kind of touch screen device for upgrading firmware characterized by comprising
Version number obtains module, for obtaining the firmware version number stored in touch screen register；
Judgment module, for comparing the size of the firmware version number stored in new firmware version number and register；
Update module, for calling IIC to read and write letter when new firmware version number is greater than the firmware version number stored in register
Number updates the firmware version stored in register；
Wherein, the version obtains module, comprising:
Acquiring unit obtains the touch screen in two addresses IIC that ACPI is configured for initializing the driver of touch screen
Information；
Reading unit reads the corresponding number of IIC address information for assigning two IIC address informations to IIC read/write function at random
According to, wherein the IIC read/write function includes that IIC reading function and IIC write function；
Crosspoint is used for when the IIC reads function reading data corresponding less than IIC address information, with exchanging two IIC
The sequence of location information assigns IIC read/write function again, until the IIC reads function and reads the corresponding number of IIC address information
According to.
6. device as claimed in claim 5, which is characterized in that described device further include:
Creation module is connected to the touch screen and central processing unit for creating GPIO target；
Control module controls the current level of the reseting pin of the touch screen GPIO for initializing GPIO target as high electricity
Flat or low level.
7. device as claimed in claim 6, which is characterized in that the control module specifically includes:
First control unit, the current level for when the touch screen firmware does not update, controlling reseting pin are high level
Or low level, the corresponding instruction of function write-in is write according to IIC, obtains the current firmware version number of the touch screen；
Second control unit is used for when the touch screen firmware update is completed, by the current electricity for dragging down the reseting pin
It puts down as low level, restarts touch screen.
8. device as claimed in claim 5, which is characterized in that further include:
Not update module, for when new firmware version number be less than or equal to register in store firmware version number when, not more
Firmware in the new touch screen.
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| CN106293747A (en) | 2016-08-12 | 2017-01-04 | 京东方科技集团股份有限公司 | Electronic equipment and the driving method of electronic equipment |
| CN106502453B (en) * | 2016-10-14 | 2020-08-11 | 惠州Tcl移动通信有限公司 | Method and system for preventing touch screen from malfunctioning based on mobile terminal |
| CN106502743A (en) * | 2016-11-01 | 2017-03-15 | 捷开通讯(深圳)有限公司 | The upgrade method of the touch-screen firmware of electronic equipment and update device, electronic equipment |
| CN106775636B (en) * | 2016-11-17 | 2021-06-15 | 广州极飞科技股份有限公司 | Battery firmware processing method and device and charging cabinet system |
| CN106802810B (en) * | 2016-11-28 | 2020-08-11 | 硅谷数模半导体（北京）有限公司 | Firmware upgrading method, device and system |
| CN106897222A (en) * | 2017-02-23 | 2017-06-27 | 上海与德信息技术有限公司 | TP firmwares changing method and device |
| CN108366131B (en) * | 2018-03-13 | 2020-10-02 | 广州视源电子科技股份有限公司 | Data transmission method, device, terminal and storage medium |
| CN108984200A (en) * | 2018-07-17 | 2018-12-11 | 郑州云海信息技术有限公司 | A kind of timing updates the method and device of firmware |
| CN111966378B (en) * | 2020-08-18 | 2024-01-09 | 深圳市康冠商用科技有限公司 | Board version upgrading method, device and medium |
| CN113110758B (en) * | 2021-04-19 | 2023-01-20 | 惠州Tcl云创科技有限公司 | Method and system for processing touch failure of touch screen during startup and intelligent terminal |
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