CN109358871B - Method and device for replacing application system of embedded system equipment and storage medium - Google Patents
Method and device for replacing application system of embedded system equipment and storage medium Download PDFInfo
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Abstract
The invention discloses an application system replacing method of embedded system equipment, which comprises the following steps: after confirming the connection of the embedded system equipment, reading a system data structure of the embedded system equipment; confirming a target application system corresponding to the embedded system equipment according to the read system data structure, and switching the current default application system into the target application system; and carrying out application system replacement operation on the embedded system equipment according to the switched target application system. The invention also discloses an application system replacing device and a storage medium of the embedded system equipment. According to the invention, the system mount partitions are divided in the system storage area, so that when the equipment is refreshed, the corresponding application system is switched according to the system identification field of the equipment, and the system replacement, namely the refreshing operation is executed, thereby realizing the multiplexing of a CPU (Central processing Unit) and improving the beneficial effect of the application system replacement efficiency of the terminal equipment.
Description
Technical Field
The invention relates to the field of equipment flashing, in particular to a method and a device for replacing an application system of embedded system equipment and a storage medium.
Background
Since birth, many open source operating systems have been trusted by more and more developers due to their open source properties, and share of the market is continuously increasing, such as: android, linux, etc.
These open source operating systems are widely used in mobile devices, mainly represented by smart phones and tablet computers. In addition, the system is also pursued in emerging industries, such as intelligent wearable equipment, intelligent interconnected vehicle-mounted systems, unmanned aerial vehicles and the like.
With the wide use of open source operating systems, more personalized needs and customized experiences are being proposed and are receiving more and more attention. People not only meet the current system experience, but also turn to more personalized needs and customized experiences.
Therefore, the brushing machine becomes the necessary daily skill of people. The flashing generally refers to a term in terms of a smart phone, and some multimedia data, software programs or operating systems originally existing in the smart phone are changed or replaced by a certain method. In popular terms, the reinstallation of the mobile phone is the reinstallation of the mobile phone.
The machine refreshing is generally an individual behavior, and if a large amount of equipment exists and a system needs to be reinstalled, extra workload and unnecessary cost are brought to people. The best solution to this problem is to pre-load the customer with his customized system when the factory production line is down-line.
However, this has a problem that the customized system of the user is not suitable for factory production, i.e. when the device is produced in the factory, the factory will have a mechanism for checking the hardware reliability of the produced device. However, the customized system desired by the general user does not have the factory check hardware reliability mechanism, and therefore, the efficiency of the terminal device in the flash is low.
The above is only for the purpose of assisting understanding of the technical solution of the present invention, and does not represent an admission that the above is the prior art.
Disclosure of Invention
The invention mainly aims to provide an application system replacing method of embedded system equipment, and aims to solve the technical problems that only one application system can be executed at a time due to the system mounting problem of the equipment when the application system of the equipment is replaced in the prior art, the multiplexing of a CPU is reduced, and the equipment flashing efficiency is influenced.
In order to achieve the above object, the present invention provides a method for replacing an application system of an embedded system device, which includes the following steps:
after confirming that the embedded system equipment is connected, reading a system data structure of the embedded system equipment;
confirming a target application system corresponding to the embedded system equipment according to the read system data structure, and switching the current default application system into the target application system;
and carrying out application system replacement operation on the embedded system equipment according to the switched target application system.
Preferably, the step of confirming the target application system corresponding to the embedded system device according to the read system data structure includes:
and reading the system identification of the application system in the system data structure, and confirming the target application system corresponding to the embedded system equipment according to the system identification.
Preferably, before the step of performing the application system replacement operation on the embedded system device according to the switched target application system, the method further includes:
reading a system command of the system data structure and recovering partition information, and confirming the operation type of the embedded system equipment based on the updating operation of the current application system;
and when the operation type is confirmed to be system replacement, executing a step of performing application system replacement operation on the embedded system equipment according to the switched target application system.
Preferably, after the step of reading the system command of the system data structure of the embedded system device and recovering the partition information and confirming the operation type of the embedded system device based on the update operation of the current application system, the method includes:
and when the operation type is confirmed to be system upgrading, starting the kernel and the root file system of the switched target application system to execute system upgrading operation on the embedded system equipment.
Preferably, after the step of performing the application system replacement operation on the embedded system device according to the switched target application system, the method further includes:
and after confirming that the application system of the application embedded system equipment of the embedded system equipment is replaced, restarting the kernel and the root file system of the switched target application system so as to switch the target application system to the default application system.
Preferably, the method for replacing an application system of the embedded system device further includes:
newly adding a system file of a target application system in a preset system storage area;
and creating a corresponding system file partition in the preset system storage area for the system file, wherein the system file partition comprises a kernel, a root file system, a mount partition and a recovery partition.
In addition, in order to achieve the above object, the present invention further provides an application system replacing apparatus for an embedded system device, where the application system replacing apparatus for the embedded system device includes: a memory, a processor and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the application system replacement method of the embedded system device as described above.
The invention also provides a storage medium, wherein the storage medium is stored with an application system replacing program of the embedded system equipment, and the application system replacing program of the embedded system equipment realizes the steps of the application system replacing method of the embedded system equipment when being executed by a processor.
The embodiment of the invention provides an application system replacing method of embedded system equipment, which comprises the steps of reading a system data structure of the embedded system equipment after confirming the connection of the embedded system equipment; confirming a target application system corresponding to the embedded system equipment according to the read system data structure, and switching the current default application system into the target application system; and carrying out application system replacement operation on the embedded system equipment according to the switched target application system. According to the invention, the system mounting partition is divided in the system storage area, so that when the equipment is refreshed, the corresponding application system is switched according to the system identification field of the equipment, and the system replacement, namely the refreshing operation, is executed, the multiplexing of a CPU is realized, and the beneficial effect of improving the application system replacement efficiency of the terminal equipment is realized.
Drawings
Fig. 1 is a schematic diagram of a terminal \ device structure of a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method for replacing an application system of an embedded system device according to a first embodiment of the present invention;
FIG. 3 is a flowchart illustrating a second embodiment of a method for replacing an application system of an embedded system device according to the present invention;
FIG. 4 is a flowchart illustrating a method for replacing an application system of an embedded system device according to a third embodiment of the present invention;
fig. 5 is a representation of a multiplexed system file.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
The main solution of the embodiment of the invention is as follows: after confirming the connection of the embedded system equipment, reading a system data structure of the embedded system equipment; confirming a target application system corresponding to the embedded system equipment according to the read system data structure, and switching the current default application system into the target application system; and carrying out application system replacement operation on the embedded system equipment according to the switched target application system.
When the application system of the equipment is replaced in the prior art, the system mounting problem of the equipment causes that the flashing operation of only one application system can be executed at a time, thereby reducing the multiplexing of a CPU and influencing the flashing efficiency of the equipment.
The invention provides a solution, which divides the system mounting partition in the system storage area, so as to switch the corresponding application system according to the system identification field of the equipment and execute the system replacement, namely the flashing operation when flashing the equipment, thereby realizing the multiplexing of a CPU and improving the beneficial effect of the application system replacement efficiency of the terminal equipment.
As shown in fig. 1, fig. 1 is a schematic terminal structure diagram of a hardware operating environment according to an embodiment of the present invention.
The terminal of the embodiment of the invention can be a smart television, and can also be a mobile terminal device with a display function, such as a PC, a smart phone, a tablet computer, an electronic book reader, a portable computer and the like. As shown in fig. 1, the terminal 100 includes: a processor 1001, e.g. a CPU, a network interface 1004, a user interface 1003, a memory 1005, a communication bus 1002.
Those skilled in the art will appreciate that the terminal structure shown in fig. 1 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, the memory 1005, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and an application system replacement program of an embedded system device.
In the terminal shown in fig. 1, the network interface 1004 is mainly used for connecting to a backend server and performing data communication with the backend server; the user interface 1003 is mainly used for connecting a client (user side) and performing data communication with the client; and the processor 1001 may be configured to call an application replacement program of the embedded system device stored in the memory 1005 and perform the following operations:
after confirming that the embedded system equipment is connected, reading a system data structure of the embedded system equipment;
confirming a target application system corresponding to the embedded system equipment according to the read system data structure, and switching the current default application system into the target application system;
and carrying out application system replacement operation on the embedded system equipment according to the switched target application system.
Further, the processor 1001 may call an application replacement program of the embedded system device stored in the memory 1005, and also perform the following operations:
and reading a system identifier of an application system in the system data structure, and confirming a target application system corresponding to the embedded system equipment according to the system identifier.
Further, the processor 1001 may call an application replacement program of the embedded system device stored in the memory 1005, and also perform the following operations:
reading a system command of the system data structure and recovering partition information, and confirming the operation type of the embedded system equipment based on the updating operation of the current application system;
and when the operation type is confirmed to be system replacement, executing a step of performing application system replacement operation on the embedded system equipment according to the switched target application system.
Further, the processor 1001 may call an application replacement program of the embedded system device stored in the memory 1005, and also perform the following operations:
and when the operation type is confirmed to be system upgrading, starting the kernel and the root file system of the switched target application system to execute system upgrading operation on the embedded system equipment.
Further, the processor 1001 may call an application system replacement program of the embedded system device stored in the memory 1005, and also perform the following operations:
and after confirming that the application system of the application embedded system equipment of the embedded system equipment is changed, restarting the kernel and the root file system of the switched target application system so as to switch the target application system to the default application system.
Further, the processor 1001 may call an application replacement program of the embedded system device stored in the memory 1005, and also perform the following operations:
newly adding a system file of a target application system in a preset system storage area;
and creating a corresponding system file partition in the preset system storage area for the system file, wherein the system file partition comprises a kernel, a root file system, a mount partition and a recovery partition.
Referring to fig. 2, fig. 2 is a schematic flowchart of a first embodiment of an application system replacement method for an embedded system device according to the present invention, where the application system replacement method for the embedded system device includes:
step S10, after confirming the connection of the embedded system equipment, reading a system data structure of the embedded system equipment;
based on the current flashing operation, when the equipment applying the embedded system has the replacement requirement of the application system, the embedded system equipment is connected with the flashing equipment. The flashing operation is defined as the replacement of the existing terminal equipment application system; the embedded system equipment is terminal equipment needing to be refreshed, namely intelligent terminal equipment needing to update an application system, and comprises intelligent terminal equipment with the application system, such as an intelligent mobile phone, an intelligent television and the like, and various industrial equipment terminals; the flush device is a terminal device for executing application system update on the current embedded system device, and is generally an intelligent terminal capable of executing application system replacement operation, such as a PC terminal, an intelligent computer, and the like. After confirming that an embedded system device of an application system to be replaced is connected with an intelligent terminal device executing application system replacement, reading a system data structure of the embedded system device by the intelligent terminal device; the system structure data is a system data packet of the embedded system equipment based on system replacement and is displayed in the form of a data packet, the embedded system equipment is connected to the intelligent terminal equipment, and when system updating operation is executed, the misc partition is mounted, and a system data structure, namely, a bootloader _ message data structure of the embedded system equipment is read based on the misc partition.
Step S20, confirming a target application system corresponding to the embedded system equipment according to the read system data structure, and switching the current default application system into the target application system;
reading a system data structure of the embedded system equipment, confirming a corresponding target application system of the embedded system equipment according to a read result, and switching a current default application system to the target application system based on the confirmed target application system, wherein the default application system is a default updating system based on the flashing operation of the terminal equipment or an application system updated by the last terminal equipment. When the target application system of the embedded system equipment is confirmed, the PC confirms the content of the custom extension field of the system structure data of the embedded system equipment by reading the content, so that when the application system of the embedded system equipment is confirmed based on reading the system data structure of the embedded system equipment, the step of confirming the target application system corresponding to the embedded system equipment according to the read system data structure comprises the following steps:
and reading the system identification of the application system in the system data structure, and confirming the target application system corresponding to the embedded system equipment according to the system identification.
After the embedded system device is connected, mounting the misc partition, and reading a system identifier based on an embedded system device application system in a system data structure of the embedded system device, wherein the system data structure is defined as a bootloader _ message data structure, and the system identifier related to the embedded system device application system in the bootloader _ message data structure is defined as a custom extension field boot _ system _ id [32] of the bootloader _ message data structure, that is, based on the field content of the system identifier related to the embedded system device application system as an extension field boot _ system _ id [32], the bootloader _ message data structure further includes the following information fields except the custom extension field, and the expression mode is as follows:
as described above, the content of the field of the bootloader _ message data structure, command is a system command; status is a system attribute; recovery is a recovery partition.
And step S30, carrying out application system replacement operation on the embedded system equipment according to the switched target application system.
When the current default application system is switched to a target application system corresponding to the embedded system equipment, the application system of the embedded system equipment is replaced according to the switched target application system, the operation type of system replacement comprises system replacement and system upgrade, and the specific operation content of the replacement operation of the application system of the embedded system equipment is related to the installation mode of the target application system.
In addition, after the application replacement of the embedded system device, that is, after the step of performing the application system replacement operation on the embedded system device according to the switched target application system, the method further includes:
restarting the kernel and the root file system of the switched target application system after confirming that the application system of the embedded system equipment is changed, so as to switch the target application system to a default application system
And according to the application system operation of the embedded system equipment, confirming whether the application system updating operation of the embedded system equipment is finished or not, and after confirming that the replacement operation of the target application system of the embedded system equipment is finished, restarting the kernel and the root file system of the switched target application system so as to switch the target application system to a default application system and recover the application operation of the target application system.
In this embodiment, the system mount partition is divided in the system storage area, so that when the device is booted, the corresponding application system is switched according to the system identification field of the device and system replacement, that is, the booting operation, is executed, thereby realizing multiplexing of the CPU and improving the beneficial effect of the application system replacement efficiency of the terminal device.
Referring to fig. 3, fig. 3 is a schematic flowchart of a second embodiment of an application system replacing method for an embedded system device according to the present invention, and based on the first embodiment shown above, before the step of performing an application system replacing operation on the embedded system device according to a switched target application system, the method further includes:
step S40, reading a system command and partition recovery information of the system data structure, and confirming the operation type of the embedded system equipment based on the updating operation of the current application system;
and S50, when the operation type is confirmed to be system replacement, executing the step of replacing the application system of the embedded system equipment according to the switched target application system.
And step S60, when the operation type is confirmed to be system upgrading, starting the kernel and the root file system of the switched target application system to execute system upgrading operation on the embedded system equipment.
In this embodiment, when an embedded system device performs an operation of replacing an application system, a system command of a system data structure of the embedded system device and partition recovery information are read, and it is determined that the embedded system device is based on an operation type of a current update operation of the application system, that is, when an application system of the embedded system device performs a replacement operation, an application system of the embedded system device performs the operation type of the replacement. When the operation type of the embedded system device is confirmed, the operation type of the embedded system device is confirmed by reading a system command, i.e. a command, in a system data structure of the embedded system device and recovering field information, i.e. recovery field information, where as described above, the system data structure of the embedded system device is defined as bootloader _ message, and the bootloader _ message includes contents of the following fields:
the content of the field of the bootloader _ message data structure, and the command is a system command; status is a system attribute; recovery is a recovery partition.
According to the read field information of the system command and the recovery partition recovery, when the operation type is confirmed to be system replacement, executing the content of the step S30; and when the operation type is confirmed to be system upgrading, starting a kernel boot of the switched target application system, mounting a root file system partition, and then giving notice to the embedded system equipment about system upgrading operation.
Referring to fig. 4, fig. 4 is a schematic flowchart of a third embodiment of a method for replacing an application system of an embedded system device according to the present invention, where based on the first and second embodiments, the method for replacing an application system of an embedded system device further includes:
step S70, newly adding a system file of a target application system in a preset system storage area;
step S80, a corresponding system file partition is created in the preset system storage area for the system file, wherein the system file partition comprises a kernel, a root file system, a mount partition and a recovery partition.
In this embodiment, based on the application system replacement requirement of the current embedded system device, the application system required by the embedded system device is added to the preset system storage area, so as to perform application system replacement operation, that is, a flashing operation, on the embedded system device by using the newly added application system. When the application system is added to a preset system storage area, corresponding system file partitions are respectively created for the application system in the preset system storage to store system data files of the application system, wherein the system file partitions comprise a kernel and a root file system, a mount partition and a recovery partition. Based on this situation, when the preset system storage area includes multiple application systems, in order to improve CPU multiplexing of the preset system storage area, system mount files of the multiple application systems may be multiplexed, and in implementation, only a system file partition of the newly added application system needs to be created, and other application system files may be commonly used and multiplexed, and a system file storage form of the preset system storage area may be as shown in fig. 5, where fig. 5 is an expression form of a multiplexed system file, and in fig. 5, the detailed contents thereof are as follows:
bootloader: can also be defined as a U-boot partition, which is equivalent to the BIOS (basic input output System) of windows in the prior art for shielding hardware difference;
misc: the method is generally used for storing BCB data, and is used for data of bootloader and system, bootloader and recovery communication;
boot: a kernel and a root file system;
system: mounting the system in a system partition, and performing read-write protection;
recovery: a recovery partition through which the system can recover after the system is corrupted; the other function is to brush the machine;
cache: partitioning a system cache;
and data: the data is mounted under the data partition and can be read and written;
other: other partitions are divided according to the needs of users;
for example, as shown in fig. 5, the extended partitions boot loader, misc, cache, data, etc. share one partition, and the three partitions boot, system, and recovery must guarantee independent partition storage for system reasons, that is, the system files boot, system, and recovery of the same application system are independent, for example, the boot is divided into boot1, boot2, boot, etc., and the system files and the recovery are similar.
In addition, an embodiment of the present invention further provides a storage medium, where an application system replacement program of an embedded system device is stored on the storage medium, and when executed by a processor, the application system replacement program of the embedded system device implements the following operations:
after confirming the connection of the embedded system equipment, reading a system data structure of the embedded system equipment;
confirming a target application system corresponding to the embedded system equipment according to the read system data structure, and switching the current default application system into the target application system;
and carrying out application system replacement operation on the embedded system equipment according to the switched target application system.
Further, the application system replacing program of the embedded system device when executed by the processor further realizes the following operations:
and reading the system identification of the application system in the system data structure, and confirming the target application system corresponding to the embedded system equipment according to the system identification.
Further, the application system replacing program of the embedded system device when executed by the processor further realizes the following operations:
reading a system command of the system data structure and recovering partition information, and confirming the operation type of the embedded system equipment based on the updating operation of the current application system;
and when the operation type is confirmed to be system replacement, executing a step of performing application system replacement operation on the embedded system equipment according to the switched target application system.
Further, the application system replacing program of the embedded system device when executed by the processor further realizes the following operations:
and when the operation type is confirmed to be system upgrading, starting the kernel and the root file system of the switched target application system to execute system upgrading operation on the embedded system equipment.
Further, the application system replacing program of the embedded system device when executed by the processor further realizes the following operations:
and after confirming that the application system of the application embedded system equipment of the embedded system equipment is changed, restarting the kernel and the root file system of the switched target application system so as to switch the target application system to the default application system.
Further, the application system replacing program of the embedded system device when executed by the processor further realizes the following operations:
newly adding a system file of a target application system in a preset system storage area;
and creating a corresponding system file partition in the preset system storage area for the system file, wherein the system file partition comprises a kernel, a root file system, a mount partition and a recovery partition.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system 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 system. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.
Claims (6)
1. An application system replacing method of an embedded system device is characterized by comprising the following steps:
confirming embedded system equipment of an application system to be replaced based on current flashing operation, wherein the flashing operation is the replacement of the application system of the existing terminal equipment, and the embedded system equipment is the terminal equipment to be flashed;
after confirming that the embedded system equipment is connected with the current flashing equipment, reading a system identifier of an application system in a system data structure of the embedded system equipment, wherein the misc partition is mounted after the embedded system equipment is connected, and the system data structure is a system data packet of the embedded system equipment based on system replacement;
confirming a target application system corresponding to the embedded system equipment according to the read system identification, and switching the current default application system into the target application system;
carrying out application system replacement operation on the embedded system equipment according to the switched target application system;
and restarting the kernel and the root file system of the switched target application system after confirming that the application system of the application embedded system device of the embedded system device is completely replaced so as to switch the target application system to the default application system.
2. The method for replacing an application system of an embedded system device according to claim 1, wherein the step of performing the application system replacement operation on the embedded system device according to the switched target application system is preceded by:
reading a system command of the system data structure and recovering partition information, and confirming the operation type of the embedded system equipment based on the updating operation of the current application system;
and when the operation type is confirmed to be system replacement, executing a step of performing application system replacement operation on the embedded system equipment according to the switched target application system.
3. The method for replacing an application system of an embedded system device according to claim 2, wherein the step of reading the system command of the system data structure and recovering the partition information to confirm the operation type of the embedded system device based on the current update operation of the application system comprises:
and when the operation type is confirmed to be system upgrading, starting the kernel and the root file system of the switched target application system to execute system upgrading operation on the embedded system equipment.
4. The method for replacing an application system of an embedded system device according to any one of claims 1 to 3, further comprising:
newly adding a system file of a target application system in a preset system storage area;
and creating a corresponding system file partition in the preset system storage area for the system file, wherein the system file partition comprises a kernel, a root file system, a mount partition and a recovery partition.
5. An application system replacing apparatus of an embedded system device, the application system replacing apparatus comprising: memory, processor and computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, carries out the steps of the application system replacement method of an embedded system device according to any one of claims 1 to 4.
6. A storage medium, characterized in that the storage medium stores an application system replacement program of an embedded system device, and the application system replacement program of the embedded system device realizes the steps of the application system replacement method of the embedded system device according to any one of claims 1 to 4 when executed by a processor.
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