CN113687851A - Embedded equipment upgrading method and device - Google Patents
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- CN113687851A CN113687851A CN202111017183.4A CN202111017183A CN113687851A CN 113687851 A CN113687851 A CN 113687851A CN 202111017183 A CN202111017183 A CN 202111017183A CN 113687851 A CN113687851 A CN 113687851A
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Abstract
The invention discloses an embedded equipment upgrading method and a device, wherein the embedded equipment upgrading method comprises the following steps: saving first data, second data, application program data and upgrading data in a data partition of a ROM storage medium, wherein a starting mark is arranged in the upgrading data, and the starting mark corresponds to the first data or the second data; if the second data is upgraded successfully, enabling the starting mark to correspond to the second data; if the second data upgrading fails, enabling the starting mark to correspond to the first data; and starting the first data or the second data according to the starting mark when restarting. According to the method provided by the embodiment of the invention, the updating and upgrading of the system and the application program of the embedded equipment can be facilitated.
Description
Technical Field
The invention belongs to the technical field of embedded electronic equipment, and particularly relates to an embedded equipment upgrading method and device.
Background
In the using process of the embedded device, the updating and upgrading of the system and the application program are inevitably carried out, once the abnormal condition of power failure occurs in the upgrading process, the whole embedded device is damaged systematically, and a client cannot use the device.
The prior technical scheme has the following defects:
(1) once the system of the embedded device is powered off in the upgrading process, the writing of the system partition is incomplete, and the system of the whole device cannot be started normally.
(2) Once the power failure occurs during the upgrade process of the application program of the embedded device, the start of the application program of the device may fail, and even the whole system may crash.
Disclosure of Invention
An object of the present application is to provide a new technical solution for an embedded device upgrade method and apparatus, which can facilitate upgrade of a system and/or an application program of an embedded device.
The first aspect of the present invention provides an embedded device upgrading method, including the following steps: saving first data, second data, application program data and upgrading data in a data partition of a ROM storage medium, wherein a starting mark is arranged in the upgrading data, and the starting mark corresponds to the first data or the second data; if the second data is upgraded successfully, enabling the starting mark to correspond to the second data; if the second data upgrading fails, enabling the starting mark to correspond to the first data; and starting the first data or the second data according to the starting mark when restarting.
According to an embodiment of the invention, the first data is data of a first system and the second data is data of a second system.
According to an embodiment of the present invention, the method for upgrading an embedded device further includes the following steps: and judging the currently used system according to the starting mark, and upgrading the second system if the currently used system is the first system.
According to an embodiment of the present invention, during a restart, if the second system is successfully loaded, the second system is marked as available in the upgrade data after entering the second system for a preset time.
According to an embodiment of the present invention, the preset time is a time interval greater than or equal to 0 s.
According to an embodiment of the present invention, if the loading failure of the second system reaches a preset number of times, the first system is loaded.
According to one embodiment of the invention, the application data is an application partition, and the upgrade data includes data of the application at the time of upgrade.
According to an embodiment of the present invention, after the restart, the application program is copied from the upgrade data to the application program partition according to the start flag, and the application program in the application program partition is restarted after the copy is completed.
According to an embodiment of the present invention, the method for upgrading an embedded device further includes the following steps: upgrading the application program; writing the application program into the upgrading data, and setting an upgrading completion mark; after restarting, copying the application program in the upgrading data to the application program partition according to the starting mark and covering, and then deleting the upgrading completion mark.
The embedded equipment upgrading device according to the second aspect embodiment of the invention comprises: an identification unit that identifies a start flag in upgrade data of a ROM storage medium, the start flag corresponding to first data or second data; a start flag modification unit, configured to modify the start flag according to an upgrade result of the second data, and if the second data is successfully upgraded, enable the start flag to correspond to the second data, and if the second data is unsuccessfully upgraded, enable the start flag to correspond to the first data;
and the starting unit starts the first data or the second data according to the starting mark.
According to the method provided by the embodiment of the invention, the condition that the equipment cannot be applied due to power failure or other abnormity in the upgrading process can be avoided by setting the starting mark.
Further features of the present application and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
FIG. 1 is a flow chart of an embedded device upgrade method according to an embodiment of the present invention;
FIG. 2 is a flow chart of an embedded device upgrade method of yet another embodiment of the present invention;
FIG. 3 is a flow chart of an embedded device upgrade method of yet another embodiment of the present invention;
fig. 4 is an operational schematic diagram of an electronic device according to an embodiment of the present invention.
Reference numerals:
an electronic device 100;
a memory 110; an operating system 111; an application 112;
a processor 120; a network interface 130; an input device 140; a hard disk 150; a display device 160.
Detailed Description
Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The following first describes an upgrade method of an embedded device according to an embodiment of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to fig. 3, the method for upgrading an embedded device according to the embodiment of the present invention includes the following steps:
the method comprises the steps of storing first data, second data, application program data and upgrading data in a data partition of a ROM storage medium, wherein a starting mark is arranged in the upgrading data and corresponds to the first data or the second data.
And if the second data is upgraded successfully, enabling the starting mark to correspond to the second data.
And if the second data upgrading fails, enabling the starting mark to correspond to the first data.
And starting the first data or the second data according to the starting mark when restarting.
That is to say, according to the method for upgrading an embedded device of the embodiment of the present invention, on one hand, an upgrade data partition is added in a ROM storage medium to save a system state and upgrade a backup file; in yet another aspect, two system partitions, A and B, are provided in the ROM storage medium to serve as a backup rollback for the system.
And judging whether the first data or the second data is adopted when the embedded equipment is started next time by setting the starting mark. Specifically, if the start flag at this time of start is modified and changed with respect to the start flag at the last start, this start uses the corresponding data. If the start flag at this time is not changed relative to the start flag at the last time, the last data is still used for this time. For example, when the embedded device is turned on for the first time, the first data is adopted, and the second data is upgraded at the moment. And if the second data is upgraded successfully, modifying the starting mark, enabling the starting mark to correspond to the second data, and adopting the second data when the embedded equipment is started next time. If the second data upgrade fails, the start-up flag still corresponds to the first data, and the first data is still adopted when the embedded device is started next time.
It should be noted that the previous embedded device may use the first data or the second data, and is not limited herein.
Therefore, according to the embedded equipment upgrading method provided by the embodiment of the invention, the condition that equipment cannot be applied due to power failure or other abnormity in the upgrading process can be avoided by setting the starting mark.
According to an embodiment of the present invention, as shown in fig. 2, the first data is data of a first system, and the second data is data of a second system.
Optionally, as shown in fig. 2, the method for upgrading an embedded device further includes the following steps: and judging the currently used system according to the starting mark, and upgrading the second system if the currently used system is the first system. That is, when the system of the embedded device is powered off during the upgrade process or the system partition is damaged during the use process of the system, the system will automatically fall back to the last available system version.
According to the embedded equipment upgrading method provided by the embodiment of the invention, the system is subjected to double backup, and meanwhile, the system version can be backed off, so that one system is ensured to be available at any time, and the condition that the system cannot be started due to power failure or other abnormity in the upgrading process is avoided.
In some embodiments of the present invention, during the reboot, if the second system is successfully loaded, the second system is marked as available in the upgrade data partition after the second system enters the preset time, so that damage or failure of the second system within the preset time can be effectively avoided.
According to an embodiment of the present invention, the preset time is a relatively small time interval greater than or equal to 0s, which not only can ensure that the second system is not easily damaged or failed after the preset time, but also can improve the setting efficiency of the start flag.
In some embodiments of the present invention, as shown in fig. 2, if the loading failure of the second system reaches a preset number of times, the first system is loaded, and the second system can be verified by setting a loading upper limit.
According to one embodiment of the invention, as shown in FIG. 3, the upgrade data partition contains data of the application program at the time of upgrade. That is, when the application program of the embedded device encounters a power failure during the upgrade process, so that the upgrade fails, the system enables the application program of the previous version at the time of starting.
Optionally, after the restart, the application program is copied from the upgrade data partition to the application program partition according to the start flag, and the application program in the application program partition is restarted after the copying is completed.
According to an embodiment of the present invention, as shown in fig. 3, the method for upgrading an embedded device further includes the following steps:
and upgrading the application program.
And writing the application program into the upgrading data partition, and setting an upgrading completion mark.
After restarting, copying the application program in the upgrading data partition to the application program partition according to the starting mark and covering, and then deleting the upgrading completion mark.
According to the embedded equipment upgrading method provided by the embodiment of the invention, the upgrading data partition is saved when the application program is upgraded, the corresponding upgrading mark (starting mark) is copied to the starting partition of the application program after the saving is finished, and the upgrading mark is deleted after the copying is finished, so that the condition that the equipment cannot be used due to power failure or other abnormity in the upgrading process is avoided.
The following describes an embedded device upgrading method according to an embodiment of the present invention in detail with reference to specific embodiments.
Example 1
As shown in fig. 2, during upgrading, if the system is upgraded, whether the system a or the system B is currently used is determined according to the start flag in the upgrade data partition, and if the system a is currently used, the system B is upgraded; if the current value is B, upgrading A. And after the upgrade is successful, modifying the starting mark in the upgrade data partition to start the system from another partition, and then restarting the system.
When the system is started, the system partition which is to be loaded at present is judged according to the starting mark in the upgrading data partition, and then the corresponding system is loaded. If the load fails, the load is performed from another partition (system rollback) and another partition is flagged as valid in the upgrade data partition. If loading is successful, after entering the system for 10 seconds, the current system is marked available in the upgrade data partition. That is, if the power is removed before the upgrade flag (boot flag) is modified, the next boot system load from the current system partition occurs.
Example 2
As shown in fig. 3, during upgrading, if the application program is upgraded, the new application program is saved in the upgrade data partition, and after the saving is completed, a corresponding flag (start flag) is made in the upgrade data partition, and then the system is restarted.
And after the system is restarted, copying the corresponding application program from the upgrading data partition to the application program partition according to the starting mark in the upgrading data partition, and then starting the application program after copying is finished. That is, when the power is off before the start flag is not changed, copy overwriting of the new application program is not performed from the upgrade data partition at the next restart, and at this time, even if the new application program is not completely written and is abnormal, the old application program is not affected.
The invention also provides an embedded equipment upgrading device, which comprises: the device comprises an identification unit, a starting mark modification unit and a starting unit.
Specifically, the identification unit identifies a start flag in an upgrade data partition of the ROM storage medium, the start flag corresponding to the first data or the second data, the start flag modification unit is capable of modifying the start flag according to an upgrade result of the second data, if the second data is upgraded successfully, the start flag corresponding to the second data, if the second data is upgraded unsuccessfully, the start flag corresponding to the first data, and the start unit starts the first data or the second data according to the start flag.
According to the method and the device for upgrading the embedded equipment, even if power is off or abnormity occurs in the upgrading process, the whole system cannot be started and a product cannot be used.
In addition, an embodiment of the present invention further provides a computer storage medium, where the computer storage medium includes one or more computer instructions, and when executed, the one or more computer instructions implement any one of the methods described above.
That is, the computer storage medium stores a computer program that, when executed by a processor, causes the processor to perform any of the methods described above.
As shown in fig. 4, an embodiment of the present invention provides an electronic device 100, which includes a memory 110 and a processor 120, where the memory 110 is configured to store one or more computer instructions, and the processor 120 is configured to call and execute the one or more computer instructions, so as to implement any one of the methods described above.
That is, the electronic apparatus 100 includes: a processor 120 and a memory 110, in which memory 110 computer program instructions are stored, wherein the computer program instructions, when executed by the processor, cause the processor 120 to perform any of the methods described above.
Further, as shown in fig. 4, the electronic device 100 further includes a network interface 130, an input device 140, a hard disk 150, and a display device 160.
The various interfaces and devices described above may be interconnected by a bus architecture. A bus architecture may be any architecture that may include any number of interconnected buses and bridges. One or more Central Processing Units (CPUs), represented in particular by processor 120, and one or more memories, represented by memory 110, are coupled together. The bus architecture may also connect various other circuits such as peripherals, voltage regulators, power management circuits, and the like. It will be appreciated that a bus architecture is used to enable communications among the components. The bus architecture includes a power bus, a control bus, and a status signal bus, in addition to a data bus, all of which are well known in the art and therefore will not be described in detail herein.
The network interface 130 may be connected to a network (e.g., the internet, a local area network, etc.), and may obtain relevant data from the network and store the relevant data in the hard disk 150.
The input device 140 may receive various commands input by the operator and send the commands to the processor 120 for execution. The input device 140 may include a keyboard or a pointing device (e.g., a mouse, a trackball, a touch pad, a touch screen, or the like).
The display device 160 may display the result obtained by the processor 120 executing the instructions.
The memory 310 is used for storing programs and data necessary for operating the operating system, and data such as intermediate results in the calculation process of the processor 120.
It will be appreciated that memory 110 in embodiments of the invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read Only Memory (EPROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), or a flash memory. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. The memory 110 of the apparatus and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, memory 110 stores the following elements, executable modules or data structures, or a subset thereof, or an expanded set thereof: an operating system 111 and application programs 112.
The operating system 111 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks. The application 112 includes various applications, such as a Browser (Browser), and the like, for implementing various application services. A program implementing methods of embodiments of the present invention may be included in application 112.
The processor 120, when invoking and executing the application program and data stored in the memory 110, specifically, the application program or the instructions stored in the application program 112, dispersedly sends one of the first set and the second set to the node distributed by the other one of the first set and the second set, where the other one is dispersedly stored in at least two nodes; and performing intersection processing in a node-by-node manner according to the node distribution of the first set and the node distribution of the second set.
The method disclosed by the above embodiment of the present invention can be applied to the processor 120, or implemented by the processor 120. The processor 120 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 120. The processor 120 may be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof, and may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present invention. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 110, and the processor 120 reads the information in the memory 110 and completes the steps of the method in combination with the hardware thereof.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units designed to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described herein may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
In particular, the processor 120 is further configured to read the computer program and execute any of the methods described above.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute some steps of the transceiving method according to various embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An embedded device upgrading method is characterized by comprising the following steps:
saving first data, second data, application program data and upgrading data in a data partition of a ROM storage medium, wherein a starting mark is arranged in the upgrading data, and the starting mark corresponds to the first data or the second data;
if the second data is upgraded successfully, enabling the starting mark to correspond to the second data;
if the second data upgrading fails, enabling the starting mark to correspond to the first data;
and starting the first data or the second data according to the starting mark when restarting.
2. The method for upgrading the embedded device according to claim 1, wherein the first data is data of a first system, and the second data is data of a second system.
3. The method for upgrading the embedded device according to claim 2, further comprising the steps of:
and judging the currently used system according to the starting mark, and upgrading the second system if the currently used system is the first system.
4. The method for upgrading the embedded device according to claim 3, wherein when the embedded device is restarted, if the second system is loaded successfully, the second system is marked as available in the upgrade data after entering the second system for a preset time.
5. The method for upgrading the embedded device according to claim 4, wherein the preset time is a time interval greater than or equal to 0 s.
6. The upgrading method for embedded equipment according to claim 3, wherein the first system is loaded if the second system fails to load for a preset number of times.
7. The method for upgrading the embedded device according to claim 1, wherein the application data is an application partition, and the upgrade data includes data of the application at the time of upgrading.
8. The upgrading method for embedded equipment according to claim 7, wherein after restarting, the application program is copied from the upgrading data to the application program partition according to the starting flag, and the application program in the application program partition is restarted after copying is completed.
9. The method for upgrading the embedded device according to claim 8, further comprising the steps of:
upgrading the application program;
writing the application program into the upgrading data, and setting an upgrading completion mark;
after restarting, copying the application program in the upgrading data to the application program partition according to the starting mark and covering, and then deleting the upgrading completion mark.
10. An embedded device upgrading apparatus, comprising:
an identification unit that identifies a start flag in upgrade data of a ROM storage medium, the start flag corresponding to first data or second data;
a start flag modification unit, configured to modify the start flag according to an upgrade result of the second data, and if the second data is successfully upgraded, enable the start flag to correspond to the second data, and if the second data is unsuccessfully upgraded, enable the start flag to correspond to the first data;
and the starting unit starts the first data or the second data according to the starting mark.
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