CN105718281A - Touch screen firmware upgrading method and device - Google Patents
Touch screen firmware upgrading method and device Download PDFInfo
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- CN105718281A CN105718281A CN201510456708.2A CN201510456708A CN105718281A CN 105718281 A CN105718281 A CN 105718281A CN 201510456708 A CN201510456708 A CN 201510456708A CN 105718281 A CN105718281 A CN 105718281A
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Abstract
The invention is applicable to the technical field of touch control, and provides a touch screen firmware upgrading method and device. The method comprises the following steps of acquiring a firmware version number stored in a touch screen register; comparing the sizes of a new firmware version number and the firmware version number stored in the register; and calling inter-integrated circuit (IIC) reading-writing data when the size of the new firmware version number is greater than the size of the firmware version number stored in the register, and updating the firmware version number stored in the register. ICC address information corresponding to the ICC reading-writing data is adjusted in real time according to the ICC reading-writing function of a touch screen, corresponding data is read, the current version number of the touch screen is acquired, and the purpose of updating the version is achieved by comparing the sizes of the version numbers; the problem that the data corresponding to the ICC address information cannot be read to cause the touch screen firmware not to be updated on the condition of information of two ICC addresses is solved; the touch screen firmware can be enabled to be updated in no needed of disassembling the touch screen again; the touch screen is prevented from being disassembled, and the firmware is prevented from being burned; and moreover, the production management efficiency of the touch screen is also improved.
Description
Technical field
The invention belongs to technical field of touch control, particularly relate to a kind of touch screen firmware upgrade method and device.
Background technology
Along with the development of touch technology and terminal technology, increasing terminal unit adopts touch control manner to carry out man-machine interaction.At present, in touch screen production process, producer generally uses own software and instrument by firmware programming to touch screen IC (Inter-Integrated, integrated circuit), packaged touch screen IC simultaneously.When updating touch screen firmware function and data when needs, touch screen is packed or is installed on mobile terminal, blocks the upgrading of touch screen firmware.
But, the method for existing renewal touch screen firmware, packed at touch screen or be installed in mobile terminal situation, it is impossible to when ensureing not take mobile terminal or touch screen apart, to be successfully updated touch screen firmware.Its reason is in that, when android mobile terminal to update touch screen firmware, it is desirable to provide Android system interface, needs to take mobile terminal or touch screen apart during renewal；And when windowsPhone mobile terminal system updates touch screen firmware, when touch screen comprises two IIC (Inter-IntegratedCircuit, IC bus) address information time, IIC read/write function can not accurately read the data that IIC address information is corresponding, cause reading and writing unsuccessfully, therefore cannot ensure that touch screen firmware is updated successfully.
Summary of the invention
The purpose of the embodiment of the present invention is in that to provide a kind of touch screen firmware upgrade method, it is intended in the method for existing renewal touch screen firmware, when touch screen comprises two IIC address informations, IIC read/write function can not read the data corresponding to IIC address information, the problem causing updating touch screen firmware.
The embodiment of the present invention is achieved in that a kind of touch screen firmware upgrade method includes:
Obtain the firmware version number of storage in touch screen depositor；
Contrast new firmware version number and the size of the firmware version number of storage in depositor；
When the firmware version number of storage during new firmware version number is more than depositor, call IIC read/write function, update the firmware version of storage in depositor.
The another object of the embodiment of the present invention is in that to provide a kind of touch screen device for upgrading firmware, including:
Version number's acquisition module, for obtaining the firmware version number of storage in touch screen depositor；
Judge module, for contrasting new firmware version number and the size of the firmware version number of storage in depositor；
More new module, for when the firmware version number of storage during new firmware version number is more than depositor, calling IIC read/write function, updates the firmware version of storage in depositor.
In embodiments of the present invention, according to obtaining the firmware version number of storage in touch screen depositor；Contrast new firmware version number and the size of the firmware version number of storage in depositor；When the firmware version number of storage during new firmware version number is more than depositor, call IIC read/write function, update the firmware version of storage in depositor.Avoid when windowsPhone mobile terminal system updates touch screen firmware, and when touch screen comprises two IIC address informations, it is impossible to read the data corresponding to IIC address information, the problem causing occurring updating touch screen firmware；Ensure that and do not need again to remove touch screen, so that it may update touch screen firmware, not only avoid removing touch screen, again burning firmware and increasing workload, also improve the production management efficiency of touch screen.
Accompanying drawing explanation
Fig. 1 is the flowchart of the touch screen firmware upgrade method that the embodiment of the present invention provides；
Fig. 2 is the implementation process figure of the touch screen firmware upgrade method step S101 that the embodiment of the present invention provides；
Fig. 3 is the implementation process figure included before the step S101 that the embodiment of the present invention provides；
Fig. 4 is the implementation process figure of the step S302 that the embodiment of the present invention provides；
Fig. 5 is the first structured flowchart of the touch screen device for upgrading firmware that the embodiment of the present invention provides；
Fig. 6 is the structured flowchart of version acquisition module in the touch screen device for upgrading firmware that the embodiment of the present invention provides；
Fig. 7 is the second structured flowchart of the touch screen device for upgrading firmware that the embodiment of the present invention provides；
Fig. 8 is the structured flowchart controlling module in the touch screen device for upgrading firmware that the embodiment of the present invention provides；
Fig. 9 is the 3rd structured flowchart of the touch screen device for upgrading firmware that the embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Embodiment one
Fig. 1 is the flowchart of the touch screen firmware upgrade method that the embodiment of the present invention provides, and details are as follows:
In step S101, obtain the firmware version number of storage in touch screen depositor；
Wherein, the touch screen in mobile terminal drives, and IIC read/write function reads the touch screen firmware version number of storage in touch screen depositor.
The operating system of described running of mobile terminal, includes but not limited to WindowsPhone operating system, Android operation system, ios operating system, it is preferred to use system is based on Windowsphone8.1 operating system.
Wherein, touch screen depositor includes the depositor of capacitive touch screen and the touch screen of inductive touch.
In step s 102, new firmware version number and the size of the firmware version number of storage in depositor are contrasted；
Wherein, new firmware version number is compared with the firmware version number of storage in depositor.
In step s 103, when the firmware version number of storage during new firmware version number is more than depositor, call IIC (IC bus) read/write function, update the firmware version of storage in depositor.
When in depositor, the firmware version number of storage is less than new firmware version number, described IIC read/write function chooses the firmware version needing to update, the data of its correspondence are write on the address that depositor storage version number is corresponding, with by the firmware version upgrade of storage for new firmware version.
Wherein it is desired to the firmware version updated preferentially is chosen for up-to-date version number, secondly, it is possible to the selection according to user, the version number that user selects is upgraded to.
Wherein it is desired to the firmware version updated is: data different between firmware version and the new firmware version of storage.
When in depositor, the firmware version number of storage is not less than new firmware version number, do not process.
In embodiments of the present invention, according to obtaining the firmware version number of storage in touch screen depositor；Contrast new firmware version number and the size of the firmware version number of storage in depositor；When the firmware version number of storage during new firmware version number is more than depositor, call IIC read/write function, update the firmware version of storage in depositor.Avoid when windowsPhone mobile terminal system updates touch screen firmware, and when touch screen comprises two IIC address informations, it is impossible to read the data corresponding to IIC address information, the problem causing occurring updating touch screen firmware；Ensure that and do not need again to remove touch screen, so that it may update touch screen firmware, not only avoid removing touch screen, again burning firmware and increasing workload, also improve the production management efficiency of touch screen.
Embodiment two
Fig. 2 is the implementation process figure of the touch screen firmware upgrade method step S101 that the embodiment of the present invention provides, and details are as follows:
In step s 201, initialize the driver of touch screen, obtain described touch screen in ACPI two the IIC address informations configured；
Wherein, open mobile terminal, load the driver of touch screen, initialize driver, obtain ACPI (AdvancedConfigurationandPowerManagementInterface, advanced configuration and power-management interface) and configure two IIC address informations of touch screen, when updating described touch screen firmware, controlling reseting pin current level is high level or low level, writes function according to IIC and writes corresponding instruction, obtains the firmware version number that described touch screen is current.
In step S202, two IIC address informations giving IIC read/write function at random, read the data that IIC address information is corresponding, wherein, described IIC read/write function comprises IIC reading function and writes function with IIC；
Wherein, give IIC read/write function by any one value in two IIC address informations, read function by IIC and read the depositor that IIC address information is corresponding, obtain the touch screen data at the depositor corresponding to different IIC address informations.
In step S203, when described IIC reading function reads the data corresponding less than IIC address information, the order of two IIC address informations of exchange, again give IIC read/write function, until described IIC reads function and reads the data that IIC address information is corresponding.
Wherein, in ACPI, in any case the order of two IIC address informations of configuration, the driving of described touch screen all can normal operation.Such as: the value of two IIC address informations is given at random two variablees, when the IIC read/write function being wherein endowed IIC address information can not read just data, the order of two IIC address informations of exchange, again IIC read/write function is given, until described IIC reads function and reads the data that IIC address information is corresponding.
Wherein, the just data of reading mainly includes the current version number of firmware in touch screen, by obtaining touch screen firmware current version number, decides whether to update touch screen firmware.
When IIC read/write function can read and be endowed data corresponding to IIC address information, then do not exchange the order of IIC address information.
In embodiments of the present invention, it is not necessary to remove touch screen, again burning firmware, it is possible to complete touch screen firmware upgrade.
Embodiment three
Fig. 3 is the implementation process figure before the step S101 that the embodiment of the present invention provides, and details are as follows:
In step S301, create GPIO target, connect described touch screen and central processing unit；
Wherein, create GPIO target, complete the passage of information transmission between touch screen and central processing unit.
In step s 302, initializing GPIO target, the current level controlling the reseting pin of described touch screen GPIO is high level or low level.
Wherein, by initializing GPIO (GeneralPurposeInputOutput, universal input/output, main connection central processing unit and touch screen IC) target, use the read/write function of GPIO, when being high level when needing the reseting pin controlling GPIO, call the read/write function write 1 of GPIO；When being low level when needing the reseting pin controlling GPIO, call the read/write function write 0 of GPIO.
For purposes of illustration only, for practical application, details are as follows:
By controlling the state of the reseting pin current level of GPIO, touch screen chip is carried out reset operation, to re-start the electrifying timing sequence of touch screen.
In embodiments of the present invention, in order to control the state of GPIO reseting pin, create GPIO target, initialize GPIO target, reaching to control GPIO pin is high level or low level purpose, therefore draw high or drag down the reseting pin of GPIO, it is ensured that do not need again to remove touch screen, so that it may update touch screen firmware.
Embodiment four
Fig. 4 is the implementation process figure of the step S302 that the embodiment of the present invention provides, and details are as follows:
In step S401, when described touch screen firmware does not update, the current level controlling reseting pin is high level or low level, writes function according to IIC and writes corresponding instruction, obtains the firmware version number that described touch screen is current；
Wherein, by touch screen initialization program, first random give IIC read/write function by one of them IIC address information, if it is possible to when directly reading just data corresponding to current IIC address information, then do not exchange IIC address information order；If just data corresponding to current IIC address information can not be directly read, then exchange the order of two IIC address informations, till described IIC read/write function reads just data.
In step S402, when described touch screen firmware has updated, it is low level by dragging down the current level of described reseting pin, restarts touch screen.
Wherein, after residing touch screen firmware has updated, call the read/write function write 0 of GPIO, by reseting pin down for low level so that described touch screen restarts, and starts working.
In embodiments of the present invention, by controlling GPIO reseting pin, two IIC address informations of switching in real time, reach to read different data corresponding to IIC address information, the upgrading avoiding removing touch screen and realize touch screen firmware, thus both having ensure that the stability of touch screen firmware upgrade, also improve the upgrading efficiency of touch screen.
Embodiment five
What the present embodiment essentially described touch screen firmware upgrade in actual applications realizes flow process, and details are as follows:
1, when networking, open mobile terminal, load the driver of touch screen；
2, corresponding to ACPI interface two IIC address informations of described touch screen are obtained；
3, create GPIO target, connect described touch screen and central processing unit；
4, initialize GPIO target, drive GPIO read/write function；
5, according to user's needs, GPIO read/write function described in real-time calling controls the current level state of described GPIO reseting pin；
6, start IIC read/write function, two IIC address informations are given at random IIC read/write function, read the data that IIC address information is corresponding；
7, when described IIC reading function reads the data corresponding less than IIC address information, the order of two IIC address informations of exchange, again give IIC read/write function, until described IIC reads function and reads the data that IIC address information is corresponding；
8, it is high level or low level according to controlling the current level of described reseting pin, write function by IIC and write corresponding instruction, obtain the current version of firmware number of storage in described touch screen depositor, contrast new firmware version number and the size of the firmware version number of storage in depositor；
9, when the firmware version number of storage during new firmware version number is more than depositor, call IIC read/write function, update the firmware version of storage in depositor；
When in depositor, the firmware version number of storage is not less than new firmware version number, do not process.
In embodiments of the present invention, read and write data from different IIC address informations；Ensure that and do not need again to remove touch screen, so that it may update touch screen firmware, not only avoid the occurrence of and remove touch screen, again burning firmware and increase the situation of workload, it is also possible to improve the production management efficiency of touch screen.
Embodiment six
Fig. 5 is the first structured flowchart of the touch screen device for upgrading firmware that the embodiment of the present invention provides, and this device can run in mobile terminal.For the ease of illustrating, illustrate only part related to the present embodiment.
Reference Fig. 5, this touch screen device for upgrading firmware, including:
Version number's acquisition module 51, for obtaining the firmware version number of storage in touch screen depositor；
Judge module 52, for contrasting new firmware version number and the size of the firmware version number of storage in depositor；
More new module 53, for when the firmware version number of storage during new firmware version number is more than depositor, calling IIC read/write function, update the firmware version of storage in depositor.
In a kind of implementation of the present embodiment, being the structured flowchart of version acquisition module 51 in the touch screen device for upgrading firmware of embodiment of the present invention offer with reference to Fig. 6, Fig. 6, in this touch screen device for upgrading firmware, described version acquisition module 51 includes:
Acquiring unit 511, for initializing the driver of touch screen, obtains described touch screen in ACPI two the IIC address informations configured；
Reading unit 512, for two IIC address informations give IIC read/write function at random, read the data that IIC address information is corresponding, wherein, described IIC read/write function comprises IIC reading function and writes function with IIC；
Crosspoint 513, for when described IIC reading function reads the data corresponding less than IIC address information, the order of two IIC address informations of exchange, again imparting IIC read/write function, until described IIC reads function and reads the data that IIC address information is corresponding.
In a kind of implementation of the present embodiment, it is the second structured flowchart of the touch screen device for upgrading firmware that the embodiment of the present invention provides with reference to Fig. 7, Fig. 7, in this touch screen device for upgrading firmware, including:
Creation module 54, is used for creating GPIO target, connects described touch screen and central processing unit；
Controlling module 55, be used for initializing GPIO target, the current level controlling the reseting pin of described touch screen GPIO is high level or low level.
In a kind of implementation of the present embodiment, being the structured flowchart controlling module 55 in the touch screen device for upgrading firmware of embodiment of the present invention offer with reference to Fig. 8, Fig. 8, in this touch screen device for upgrading firmware, described control module 55 includes:
First control unit 551, for when described touch screen firmware does not update, the current level controlling reseting pin is high level or low level, writes function according to IIC and writes corresponding instruction, obtains the firmware version number that described touch screen is current；
Second control unit 552, for when described touch screen firmware has updated, being low level by dragging down the current level of described reseting pin, restart touch screen.
In a kind of implementation of the present embodiment, with reference to the 3rd structured flowchart that Fig. 9, Fig. 9 are the touch screen device for upgrading firmware that the embodiment of the present invention provides, in this touch screen device for upgrading firmware, also include:
Not more new module 56, for when the firmware version number of storage during new firmware version number is less than or equal to depositor, not updating the firmware in described touch screen.
The device that the embodiment of the present invention provides can be applied in the embodiment of the method for aforementioned correspondence, and details, referring to the description of above-described embodiment, do not repeat them here.
Through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required common hardware by software to the present invention and realize.Described program can be stored in read/write memory medium, described storage medium, such as random access memory, flash memory, read only memory, programmable read only memory, electrically erasable programmable memorizer, depositor etc..This storage medium is positioned at memorizer, and processor reads the information in memorizer, performs the method described in each embodiment of the present invention in conjunction with its hardware.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (10)
1. a touch screen firmware upgrade method, it is characterised in that including:
Obtain the firmware version number of storage in touch screen depositor；
Contrast new firmware version number and the size of the firmware version number of storage in depositor；
When the firmware version number of storage during new firmware version number is more than depositor, call IIC read/write function, update the firmware version of storage in depositor.
2. the method for claim 1, it is characterised in that the firmware version number of storage in described acquisition touch screen depositor, particularly as follows:
Initialize the driver of touch screen, obtain described touch screen in ACPI two the IIC address informations configured；
Two IIC address informations giving IIC read/write function at random, reads the data that IIC address information is corresponding, wherein, described IIC read/write function comprises IIC reading function and writes function with IIC；
When described IIC reading function reads the data corresponding less than IIC address information, the order of two IIC address informations of exchange, again give IIC read/write function, until described IIC reads function and reads the data that IIC address information is corresponding.
3. the method for claim 1, it is characterised in that in described acquisition touch screen depositor before the firmware version number of storage, also include:
Create GPIO target, connect described touch screen and central processing unit；
Initializing GPIO target, the current level controlling the reseting pin of described touch screen GPIO is high level or low level.
4. method as claimed in claim 3, it is characterised in that the current level of the reseting pin of the described touch screen GPIO of described control is high level or low level, particularly as follows:
When described touch screen firmware does not update, the current level controlling reseting pin is high level or low level, writes function according to IIC and writes corresponding instruction, obtains the firmware version number that described touch screen is current；
When described touch screen firmware has updated, it is low level by dragging down the current level of described reseting pin, restarts touch screen.
5. the method for claim 1, it is characterised in that also include:
When the firmware version number of storage during new firmware version number is less than or equal to depositor, do not update the firmware in described touch screen.
6. a touch screen device for upgrading firmware, it is characterised in that including:
Version number's acquisition module, for obtaining the firmware version number of storage in touch screen depositor；
Judge module, for contrasting new firmware version number and the size of the firmware version number of storage in depositor；
More new module, for when the firmware version number of storage during new firmware version number is more than depositor, calling IIC read/write function, updates the firmware version of storage in depositor.
7. device as claimed in claim 6, it is characterised in that described version acquisition module, including:
Acquiring unit, for initializing the driver of touch screen, obtains described touch screen in ACPI two the IIC address informations configured；
Reading unit, for two IIC address informations give IIC read/write function at random, read the data that IIC address information is corresponding, wherein, described IIC read/write function comprises IIC reading function and writes function with IIC；
Crosspoint, for when described IIC reading function reads the data corresponding less than IIC address information, the order of two IIC address informations of exchange, again imparting IIC read/write function, until described IIC reads function and reads the data that IIC address information is corresponding.
8. device as claimed in claim 6, it is characterised in that described device also includes:
Creation module, is used for creating GPIO target, connects described touch screen and central processing unit；
Controlling module, be used for initializing GPIO target, the current level controlling the reseting pin of described touch screen GPIO is high level or low level.
9. device as claimed in claim 8, it is characterised in that described control module, specifically includes:
First control unit, for when described touch screen firmware does not update, the current level controlling reseting pin is high level or low level, writes function according to IIC and writes corresponding instruction, obtains the firmware version number that described touch screen is current；
Second control unit, for when described touch screen firmware has updated, being low level by dragging down the current level of described reseting pin, restart touch screen.
10. device as claimed in claim 6, it is characterised in that also include:
Not more new module, for when the firmware version number of storage during new firmware version number is less than or equal to depositor, not updating the firmware in described touch screen.
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| CN111966378A (en) * | 2020-08-18 | 2020-11-20 | 深圳市康冠商用科技有限公司 | Board card version upgrading method, device and medium |
| 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 |
| WO2022222603A1 (en) * | 2021-04-19 | 2022-10-27 | 惠州Tcl云创科技有限公司 | Method and system for processing startup touch failure of touch screen, and an intelligent terminal |
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