CN112000374B - USB touch screen replacement method, device, equipment and medium applied to android system - Google Patents
USB touch screen replacement method, device, equipment and medium applied to android system Download PDFInfo
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- CN112000374B CN112000374B CN202010668062.5A CN202010668062A CN112000374B CN 112000374 B CN112000374 B CN 112000374B CN 202010668062 A CN202010668062 A CN 202010668062A CN 112000374 B CN112000374 B CN 112000374B
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- 238000004891 communication Methods 0.000 claims description 15
- 238000004590 computer program Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 4
- 230000001680 brushing effect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
Abstract
The invention discloses a USB touch screen replacement method, device, equipment and medium applied to an android system. The invention copies the storage file written with the PID value and the VID value of the USB touch screen into the mobile storage device; inserting the mobile storage device into android device to be applied; finding a storage file in android equipment to be applied according to a preset path; reading the storage file, and analyzing storage file instruction data containing a PID value and a VID value of the USB touch screen according to an iniflat file analysis rule; storing the storage file instruction data in a preset IBD storage space; reading general driving data of the android device kernel; comparing the universal drive data with storage file instruction data in the IBD storage space; if yes, the PID value and the VID value of the USB touch screen are written in the universal driving data. According to the invention, a user can dynamically update the information of the new touch screen in the USB universal drive under the condition of not brushing a machine, so that the newly added USB touch screen can be rapidly driven.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a USB touch screen replacement method, device, equipment and medium applied to an android system.
Background
android products have been widely operated in various fields of various industries, and their technical properties and the like tend to be stable. In the field of industrial control and commercial display, android products are configured with a variety of usb touch screens to meet user needs. The general usb touch screen is drive-free, and a general usb driver in an android product kernel can be driven. However, in order to match the usb touch screen newly added by the android product with the universal usb drive, the PID (product identification code) and the VID (vendor ID) of the touch screen need to be added in the drive, so that the drive code must be updated every time when one usb touch screen is supported, and then the drive code is compiled to generate firmware and then the firmware is restarted, which is complicated in steps, thus being very unfavorable for quick replacement of clients and reducing user experience.
Disclosure of Invention
Aiming at the defects, the embodiment of the invention provides a USB touch screen replacement method, device, equipment and medium applied to an android system, which are used for solving the problems existing in the prior art.
In a first aspect, an embodiment of the present invention provides a method for replacing a USB touch screen applied to an android system, where the method includes:
copying the storage file written with the PID value and the VID value of the USB touch screen into the mobile storage device;
reading data in the mobile storage device in android system equipment to be applied;
finding the storage file in the android system equipment to be applied according to a preset path;
analyzing stored file instruction data containing the PID value and the VID value of the USB touch screen according to an inipasser file analysis rule;
storing the storage file instruction data in a preset IBD storage space;
restarting the android system device, and reading general driving data of the kernel of the android system device;
comparing the universal drive data with storage file instruction data in the IBD storage space;
if so, writing the PID value and the VID value of the USB touch screen into the universal driving data.
Preferably, the reading the data in the mobile storage device in the android system device to be applied further includes:
detecting an access signal of a mobile storage device in the android system device to be applied;
and starting scanning for the mobile storage equipment according to the access signal of the mobile storage equipment.
Preferably, the detecting, in the android system device to be applied, an access signal of the mobile storage device includes:
detecting whether a mobile storage device is accessed or not through a network link communication interface between a network application program and a kernel;
if yes, the netlink communication interface generates a mobile storage device access signal and sends the mobile storage device access signal to the android system device main control board.
Preferably, the copying the storage file written with the PID value and the VID value of the USB touch screen to the mobile storage device includes:
acquiring a PID value and a VID value of the USB touch screen;
writing the PID value and the VID value of the USB touch screen into a usb_tp.ini file;
copying the usb_tp.ini file to a mobile storage device.
Preferably, the writing the PID value and the VID value of the USB touch screen into the usb_tp.ini file includes:
acquiring the number of mobile storage devices accessed to a USB interface;
assigning the PID value to the product_0 in the usb_tp.ini file;
and assigning the VID value to the vendor_0 in the usb_tp.ini file.
In a second aspect, an embodiment of the present invention provides a quick replacement device applied to a USB touch screen, where the device includes:
the first reading module is used for reading data in the mobile storage device in the android system device to be applied;
the retrieval module is used for finding the storage file in the android system equipment to be applied according to a preset path;
the analysis module is used for analyzing stored file instruction data containing the PID value and the VID value of the USB touch screen according to an inipaser file analysis rule;
the storage module is used for storing the storage file instruction data in a preset IBD storage space;
the second reading module is used for restarting the android system device and reading general driving data of the kernel of the android system device;
the comparison module is used for comparing the general driving data with storage file instruction data in the IBD storage space;
and the writing module is used for writing the PID value and the VID value of the USB touch screen in the universal driving data.
In a third aspect, an embodiment of the present invention provides a USB touch screen replacement device applied to an android system, including: at least one processor, at least one memory and computer program instructions stored in the memory, which when executed by the processor, implement the method as in the first aspect of the embodiments described above.
In a fourth aspect, embodiments of the present invention provide a storage medium having stored thereon computer program instructions which, when executed by a processor, implement a method as in the first aspect of the embodiments described above.
In summary, the method, the device, the equipment and the storage medium for replacing the USB touch screen applied to the android system are provided by the embodiment of the invention. The invention copies the storage file written with the PID value and the VID value of the USB touch screen into the mobile storage device; reading data in the mobile storage device in android system equipment to be applied; finding the storage file in the android system equipment to be applied according to a preset path; analyzing stored file instruction data containing the PID value and the VID value of the USB touch screen according to an inipasser file analysis rule; storing the storage file instruction data in a preset IBD storage space; restarting the android system device, and reading general driving data of the kernel of the android system device; comparing the universal drive data with storage file instruction data in the IBD storage space; if so, writing the PID value and the VID value of the USB touch screen into the universal driving data, so that the original universal driving in the kernel of the android system device can directly drive the newly added USB touch screen to work without updating a driving code, and then compiling and generating firmware and then restarting. According to the invention, a user can dynamically update the information of the new touch screen in the USB universal drive under the condition of not refreshing, so that the newly added USB touch screen can be rapidly driven, and the product competitiveness is improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings that are needed to be used in the embodiments of the present invention will be briefly described, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a USB touch screen replacement method applied to an android system according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a working principle of a USB touch screen replacement method applied to an android system according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a quick-change device applied to a USB touch screen according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a quick-change device applied to a USB touch screen according to an embodiment of the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely configured to illustrate the invention and are not configured to limit the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a method for replacing a USB touch screen applied to an android system, where PID values and VID values of the USB touch screen are written in original general driving data in a kernel of an android system device, so that a newly added USB touch screen is directly driven to work without updating a driving code, and then firmware is compiled and generated, and then the device is restarted. Therefore, the invention can enable the user to dynamically update the information of the new touch screen in the USB universal drive under the condition of not brushing the machine, so that the newly added USB touch screen can be rapidly driven, and the product competitiveness is improved.
The method comprises the following steps:
s1, copying a storage file written with a PID value and a VID value of a USB touch screen into mobile storage equipment;
specifically, according to the specification of the USB specification, all USB devices have a Vendor ID (VID) and a product identification code (PID), and the android host distinguishes different USB devices by different VIDs and PIDs. Therefore, the PID value and VID value are not particularly limited herein. In this embodiment, the mobile storage device is a usb disk. In another preferred embodiment, the mobile storage device may also be a mobile hard disk.
Preferably, the copying the storage file written with the PID value and the VID value of the USB touch screen to the mobile storage device includes:
acquiring a PID value and a VID value of the USB touch screen;
writing the PID value and the VID value of the USB touch screen into a usb_tp.ini file;
copying the usb_tp.ini file to a mobile storage device.
Preferably, in an android system, an ini file is used to store the selections made by the user and the various parameters of the system. The user can change the parameter configuration of the application and the system by modifying the ini file.
S2, reading data in the mobile storage device in android system equipment to be applied;
preferably, the reading the data in the mobile storage device in the android system device to be applied further includes:
detecting an access signal of a mobile storage device in the android system device to be applied;
and starting scanning for the mobile storage equipment according to the access signal of the mobile storage equipment.
Preferably, the detecting, in the android system device to be applied, an access signal of the mobile storage device includes:
detecting whether a mobile storage device is accessed or not through a network link communication interface between a network application program and a kernel;
if yes, the netlink communication interface generates a mobile storage device access signal and sends the mobile storage device access signal to the android system device main control board.
Preferably, in this embodiment, the netlink communication interface is a special inter-process communication (IPC) for implementing communication between the user process and the kernel process of the android system, and is also the most commonly used interface for communicating between the network application program and the kernel.
S3, finding the storage file in the android system equipment to be applied according to a preset path;
s4, analyzing stored file instruction data containing the PID value and the VID value of the USB touch screen according to an inipasser file analysis rule;
s5, storing the storage file instruction data in a preset IBD storage space;
preferably, in this embodiment, an android usb ppd system in the android system device detects whether a usb disk is inserted through a netlink communication interface. When the insertion of the U disk is confirmed, the U disk is scanned, a usb_tp.ini file is searched, the inipasser tool is used for analyzing the file, and the PID and the VID are extracted and stored in the IDB storage space.
S6, restarting the android system equipment, and reading general driving data of the android system equipment kernel;
s7, comparing the general driving data with storage file instruction data in the IBD storage space;
and S8, if the addition exists, writing the PID value and the VID value of the USB touch screen into the universal driving data.
Preferably, in the embodiment, the android system is restarted, and the usb tp universal driver in the android system reads data from the IDB storage space, and compares whether a new PID value and a VID value are added. If the USB tp universal driver in the android system detects that the USB touch screen is added, a new PID value and a new VID value are added in the driver to drive the new USB touch screen to work, so that the USB touch screen can directly drive the newly added USB touch screen to work without updating a driving code, and then the firmware is compiled and generated and then the machine is restarted. .
Preferably, the writing the PID value and the VID value of the USB touch screen into the usb_tp.ini file includes:
acquiring the number of mobile storage devices accessed to a USB interface;
assigning the PID value to the product_0 in the usb_tp.ini file;
and assigning the VID value to the vendor_0 in the usb_tp.ini file. In this embodiment, the specific code for writing the PID value and the VID value of the USB touch screen into the usb_tp.ini file is:
[usbtp]
num＝1；
vendor_0＝0xdfc；
Product_0＝0x3；
wherein 0xdfc and 0x3 are hexadecimal numbers, which are VID value and PID value of the invention respectively. It is understood that the VID value and PID value are not particularly limited herein.
Referring to fig. 3, an embodiment provides a quick-change device applied to a USB touch screen, the device includes:
the first reading module 1 is used for reading data in the mobile storage device in the android system device to be applied;
the retrieval module 2 is used for finding the storage file in the android system equipment to be applied according to a preset path;
the analysis module 3 is used for analyzing stored file instruction data containing the PID value and the VID value of the USB touch screen according to an iniflat file analysis rule;
the storage module 4 is configured to store the storage file instruction data in a preset IBD storage space;
the second reading module 5 is used for restarting the android system device and reading general driving data of the android system device kernel;
a comparison module 6, configured to compare the generic drive data with storage file instruction data in the IBD storage space;
and the writing module 7 is used for writing the PID value and the VID value of the USB touch screen in the universal driving data.
In addition, the method for replacing the USB touch screen applied to the android system according to the embodiment of the present invention described in connection with fig. 1 may be implemented by a device for replacing the USB touch screen applied to the android system. Fig. 4 shows a schematic hardware structure of a USB touch screen replacement device applied to an android system according to an embodiment of the present invention.
The quick change device applied to a USB touch screen may include a processor 401 and a memory 402 storing computer program instructions.
In particular, the processor 401 described above may include a Central Processing Unit (CPU), or an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), or may be configured as one or more integrated circuits implementing embodiments of the present invention.
Memory 402 may include mass storage for data or instructions. By way of example, and not limitation, memory 402 may comprise a Hard Disk Drive (HDD), floppy Disk Drive, flash memory, optical Disk, magneto-optical Disk, magnetic tape, or universal serial bus (Universal Serial Bus, USB) Drive, or a combination of two or more of the foregoing. Memory 402 may include removable or non-removable (or fixed) media, where appropriate. Memory 402 may be internal or external to the data processing apparatus, where appropriate. In a particular embodiment, the memory 402 is a non-volatile solid state memory. In a particular embodiment, the memory 402 includes Read Only Memory (ROM). The ROM may be mask programmed ROM, programmable ROM (PROM), erasable PROM (EPROM), electrically Erasable PROM (EEPROM), electrically rewritable ROM (EAROM), or flash memory, or a combination of two or more of these, where appropriate.
The processor 401 reads and executes the computer program instructions stored in the memory 402 to implement any one of the USB touch screen replacement methods applied to the android system in the above embodiment.
In one example, the USB touch screen replacement method apparatus applied to the android system may further include a communication interface 403 and a bus 410. As shown in fig. 4, the processor 401, the memory 402, and the communication interface 403 are connected by a bus 410 and perform communication with each other.
The communication interface 403 is mainly used to implement communication between each module, device, unit and/or apparatus in the embodiment of the present invention.
Bus 410 includes hardware, software, or both that couple the components of the USB touch screen replacement method apparatus applied to the android system to each other. By way of example, and not limitation, the buses may include an Accelerated Graphics Port (AGP) or other graphics bus, an Enhanced Industry Standard Architecture (EISA) bus, a Front Side Bus (FSB), a HyperTransport (HT) interconnect, an Industry Standard Architecture (ISA) bus, an infiniband interconnect, a Low Pin Count (LPC) bus, a memory bus, a micro channel architecture (MCa) bus, a Peripheral Component Interconnect (PCI) bus, a PCI-Express (PCI-X) bus, a Serial Advanced Technology Attachment (SATA) bus, a video electronics standards association local (VLB) bus, or other suitable bus, or a combination of two or more of the above. Bus 410 may include one or more buses, where appropriate. Although embodiments of the invention have been described and illustrated with respect to a particular bus, the invention contemplates any suitable bus or interconnect.
In addition, in combination with the method for replacing the USB touch screen applied to the android system in the above embodiment, the embodiment of the present invention may be implemented by providing a computer readable storage medium. The computer readable storage medium has stored thereon computer program instructions; the computer program instructions, when executed by the processor, implement any of the USB touchscreen replacement methods of the embodiments described above as applied to an android system.
In summary, the method, the device, the equipment and the medium for replacing the USB touch screen applied to the android system are provided by the embodiment of the invention. The invention copies the storage file written with the PID value and the VID value of the USB touch screen into the mobile storage device; reading data in the mobile storage device in android system equipment to be applied; finding the storage file in the android system equipment to be applied according to a preset path; analyzing stored file instruction data containing the PID value and the VID value of the USB touch screen according to an inipasser file analysis rule; storing the storage file instruction data in a preset IBD storage space; restarting the android system device, and reading general driving data of the kernel of the android system device; comparing the universal drive data with storage file instruction data in the IBD storage space; if so, writing the PID value and the VID value of the USB touch screen into the universal driving data, so that the original universal driving in the kernel of the android system device can directly drive the newly added USB touch screen to work without updating a driving code, and then compiling and generating firmware and then restarting. According to the invention, a user can dynamically update the information of the new touch screen in the USB universal drive under the condition of not refreshing, so that the newly added USB touch screen can be rapidly driven, and the product competitiveness is improved.
It should also be noted that the exemplary embodiments mentioned in this disclosure describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, or may be performed in a different order from the order in the embodiments, or several steps may be performed simultaneously.
In the foregoing, only the specific embodiments of the present invention are described, and it will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the systems, modules and units described above may refer to the corresponding processes in the foregoing method embodiments, which are not repeated herein. It should be understood that the scope of the present invention is not limited thereto, and any equivalent modifications or substitutions can be easily made by those skilled in the art within the technical scope of the present invention, and they should be included in the scope of the present invention.
Claims (7)
1. The USB touch screen replacement method applied to the android system is characterized by comprising the following steps of:
copying the storage file written with the PID value and the VID value of the USB touch screen into the mobile storage device;
reading data in the mobile storage device in android system equipment to be applied;
finding the storage file in the android system equipment to be applied according to a preset path;
analyzing stored file instruction data containing the PID value and the VID value of the USB touch screen according to an inipasser file analysis rule;
storing the storage file instruction data in a preset IBD storage space;
restarting the android system device, and reading general driving data of the kernel of the android system device;
comparing the universal drive data with storage file instruction data in the IBD storage space;
if yes, writing the PID value and the VID value of the USB touch screen into the universal driving data;
the copying the storage file written with the PID value and the VID value of the USB touch screen to the mobile storage device comprises the following steps:
acquiring a PID value and a VID value of the USB touch screen;
writing the PID value and the VID value of the USB touch screen into a usb_tp.ini file;
copying the usb_tp.ini file to a mobile storage device.
2. The method for replacing a USB touch screen applied to an android system according to claim 1, wherein the reading data in the mobile storage device in the android system device to be applied further includes:
detecting an access signal of a mobile storage device in the android system device to be applied;
and starting scanning for the mobile storage equipment according to the access signal of the mobile storage equipment.
3. The method for replacing a USB touch screen applied to an android system according to claim 2, wherein detecting, in the android system device to be applied, an access signal of a mobile storage device includes:
detecting whether a mobile storage device is accessed or not through a network link communication interface between a network application program and a kernel;
if yes, the netlink communication interface generates a mobile storage device access signal and sends the mobile storage device access signal to the android system device main control board.
4. The method for replacing a USB touch screen applied to an android system according to claim 1, wherein writing the PID value and VID value of the USB touch screen into a usb_tp.ini file includes:
acquiring the number of mobile storage devices accessed to a USB interface;
assigning the PID value to the product_0 in the usb_tp.ini file;
and assigning the VID value to the vendor_0 in the usb_tp.ini file.
5. A quick change device for a USB touch screen, the device comprising:
the first reading module is used for copying the storage file written with the PID value and the VID value of the USB touch screen to the mobile storage device and reading the data in the mobile storage device in the android system device to be applied;
the retrieval module is used for finding the storage file in the android system equipment to be applied according to a preset path;
the analysis module is used for analyzing stored file instruction data containing the PID value and the VID value of the USB touch screen according to an inipaser file analysis rule;
the storage module is used for storing the storage file instruction data in a preset IBD storage space;
the second reading module is used for restarting the android system device and reading general driving data of the kernel of the android system device;
the comparison module is used for comparing the general driving data with storage file instruction data in the IBD storage space;
the writing module is used for writing the PID value and the VID value of the USB touch screen in the universal driving data;
the copying the storage file written with the PID value and the VID value of the USB touch screen to the mobile storage device comprises the following steps:
acquiring a PID value and a VID value of the USB touch screen;
writing the PID value and the VID value of the USB touch screen into a usb_tp.ini file;
copying the usb_tp.ini file to a mobile storage device.
6. A quick change device for a USB touch screen, comprising: at least one processor, at least one memory, and computer program instructions stored in the memory, which when executed by the processor, implement the method of any one of claims 1-4.
7. A storage medium having stored thereon computer program instructions, which when executed by a processor, implement the method of any of claims 1-4.
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