CN112199109B - Firmware upgrading method, device, equipment and medium - Google Patents
Firmware upgrading method, device, equipment and medium Download PDFInfo
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- CN112199109B CN112199109B CN202011109317.0A CN202011109317A CN112199109B CN 112199109 B CN112199109 B CN 112199109B CN 202011109317 A CN202011109317 A CN 202011109317A CN 112199109 B CN112199109 B CN 112199109B
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 230000006870 function Effects 0.000 claims abstract description 129
- 238000004590 computer program Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/654—Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories
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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
- G06F9/445—Program loading or initiating
- G06F9/44557—Code layout in executable memory
Abstract
The application discloses a firmware upgrading method, a device, equipment and a medium, wherein the method comprises the following steps: calling a basic function program in a basic function program partition in the RAM memory to realize the basic function of the firmware; when a firmware upgrading instruction is obtained, calling an upgrading program in an upgrading program partition in the RAM memory to obtain upgrading file data; and erasing and/or writing the application program in the application program partition in the Flash memory based on the upgrade file data so as to upgrade the firmware. By the method, in the process of erasing and/or writing the application program in the application program partition in the Flash memory, the basic function program in the RAM memory is operated to maintain the basic function of the firmware, so that the basic function of the firmware can still normally operate in the upgrading process of the firmware, meanwhile, the dependence on Flash resources can be reduced, and the use experience of a user is improved.
Description
Technical Field
The present invention relates to the field of firmware upgrade, and in particular, to a firmware upgrade method, apparatus, device, and medium.
Background
Currently, the mainstream device generally performs firmware upgrade by using an Application Programming (IAP) method, that is, by using a user program to write a partial area In a Flash memory during a running process, so as to implement firmware upgrade.
In the prior art, a special Boot Loader program is operated in a Flash memory to rewrite an application program code segment so as to update and upgrade firmware, but the application program code segment cannot normally work before the program is rewritten and restarted, data can be lost under the condition that the requirement on real-time performance is high, and the experience of a user is reduced. In the prior art, the upgrade file is also burnt into a code backup area in the Flash memory, and when the firmware is restarted, the program of the code backup area is operated to realize firmware upgrade.
Disclosure of Invention
In view of this, an object of the present invention is to provide a firmware upgrading method, apparatus, device and medium, which can enable firmware to normally run while upgrading, and improve user experience, and the specific scheme is as follows:
in a first aspect, the present application discloses a firmware upgrading method, including:
calling a basic function program in a basic function program partition in the RAM memory to realize the basic function of the firmware;
when a firmware upgrading instruction is obtained, calling an upgrading program in an upgrading program partition in the RAM memory to obtain upgrading file data;
and erasing and/or writing the application program in the application program partition in the Flash memory based on the upgrade file data so as to upgrade the firmware.
Optionally, before the calling the basic function program in the basic function program partition in the RAM memory, the method further includes:
when the firmware is started, the basic function program partition is created in the RAM memory, and the upgrade program partition is created in the RAM memory.
Optionally, before the obtaining the firmware upgrade instruction, the method further includes:
and calling the application program in the application program partition in the Flash memory, and realizing all functions of the firmware based on the application program and the basic function program.
Optionally, the creating the basic function program partition in the RAM memory includes:
acquiring an address of a target function interface;
determining the basic function program corresponding to the target function interface from the Flash memory based on the address of the target function interface;
copying the basic function program to the RAM memory to create the basic function program partition.
Optionally, the creating the upgrade program partition in the RAM memory includes:
acquiring an address of a target upgrading interface;
determining the upgrading program corresponding to the target upgrading interface from the Flash memory based on the address of the target upgrading interface;
copying the upgrade program to the RAM memory to create the upgrade program partition.
Optionally, after the firmware is started, the method further includes:
a first data partition is created in the RAM memory to store global variable and function parameter values.
Optionally, the Flash memory further includes a second data partition for storing the configuration file of the firmware.
In a second aspect, the present application discloses a firmware upgrading apparatus, comprising:
the first calling module is used for calling the basic function program in the basic function program partition in the RAM memory so as to realize the basic function of the firmware;
the second calling module is used for calling the upgrading program in the upgrading program partition in the RAM memory to obtain upgrading file data when the firmware upgrading instruction is obtained;
and the upgrading module is used for erasing and/or writing the application program in the application program partition in the Flash memory based on the upgrading file data so as to upgrade the firmware.
In a third aspect, the present application discloses an electronic device, comprising:
a memory for storing a computer program;
and the processor is used for executing the computer program to realize the firmware upgrading method.
In a fourth aspect, the present application discloses a computer readable storage medium for storing a computer program; wherein the computer program when executed by the processor implements the firmware upgrade method described above.
According to the method and the device, the basic function of the firmware is achieved by calling the basic function program in the basic function program partition in the RAM, when a firmware upgrading instruction is obtained, the upgrading program in the upgrading program partition in the RAM is called to obtain upgrading file data, and then the application program in the application program partition in the Flash memory is erased and/or written based on the upgrading file data to upgrade the firmware. In this way, when a firmware upgrade instruction is acquired, the upgrade program in the upgrade program partition in the RAM memory is called to acquire upgrade file data, the application program in the application program partition in the Flash memory is erased and/or written based on the upgrade file data, and the basic function program in the RAM memory is operated to maintain the basic function of the firmware in the process of erasing and/or writing the application program in the application program partition in the Flash memory, so that the basic function of the firmware can be ensured to still normally operate in the upgrade process of the firmware.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a flowchart of a firmware upgrade method provided in the present application;
FIG. 2 is a flowchart of a specific firmware upgrade method provided in the present application;
FIG. 3 is a schematic diagram of a firmware embedded device according to the present application;
FIG. 4 is a flow chart of firmware operation and upgrade provided herein;
fig. 5 is a schematic structural diagram of a firmware upgrading apparatus provided in the present application;
fig. 6 is a block diagram of an electronic device provided in the present application.
Detailed Description
In the prior art, a special Boot Loader program is operated in a Flash memory to rewrite an application program code segment, so that a firmware cannot normally work before the program is rewritten and restarted, and the experience of a user is reduced. In order to overcome the problems, the application provides a firmware upgrading method based on a RAM memory, which can realize that the basic functions of the firmware still normally run in the firmware upgrading process.
The embodiment of the application discloses a firmware upgrading method, and as shown in fig. 1, the method may include the following steps:
step S11: and calling the basic function program in the basic function program partition in the RAM memory to realize the basic function of the firmware.
In this embodiment, a basic function interface may be called to ensure normal operation of the firmware by calling a basic function program in a basic function program partition in the RAM memory, that is, by running the basic function program in the RAM memory, it may be understood that the basic function program is a program capable of ensuring normal operation of the firmware, or a program corresponding to a part of functions that a user desires to be realized by the firmware.
Step S12: and when the firmware upgrading instruction is acquired, calling an upgrading program in an upgrading program partition in the RAM memory to acquire upgrading file data.
In this embodiment, after a firmware upgrade instruction is obtained, an upgrade program in an upgrade program partition in the RAM memory is called, that is, an upgrade interface in the RAM memory may be called by running the upgrade program, so as to receive upgrade file data through the upgrade interface; it will be appreciated that the basic function program in the RAM memory described above is still operating normally while the upgrade program in the upgrade program partition in the RAM memory is called.
Step S13: and erasing and/or writing the application program in the application program partition in the Flash memory based on the upgrade file data so as to upgrade the firmware.
In this embodiment, after the upgrade file is acquired, the application program in the application program partition in the Flash memory is erased and/or written based on the upgrade file, so as to upgrade the firmware; it can be understood that, in the process of erasing and/or writing the application program in the Flash memory, the application program in the Flash memory cannot normally run, but the basic function program in the RAM memory is in a normal running state, so that the normal use of the basic function of the firmware is ensured, and the application program in the Flash memory is not influenced by the erasing and writing of the application program.
It can be seen that, in this embodiment, the basic function of the firmware is realized by calling the basic function program in the basic function program partition in the RAM memory, and when the firmware upgrade instruction is obtained, the upgrade program in the upgrade program partition in the RAM memory is called to obtain upgrade file data, and then the application program in the application program partition in the Flash memory is erased and/or written based on the upgrade file data to upgrade the firmware. In this way, when a firmware upgrade instruction is acquired, the upgrade program in the upgrade program partition in the RAM memory is called to acquire upgrade file data, the application program in the application program partition in the Flash memory is erased and/or written based on the upgrade file data, and the basic function program in the RAM memory is operated to maintain the basic function of the firmware in the process of erasing and/or writing the application program in the application program partition in the Flash memory, so that the basic function of the firmware can be ensured to still normally operate in the upgrade process of the firmware.
The embodiment of the present application discloses a specific firmware upgrading method, and as shown in fig. 2, the method may include the following steps:
step S21: when the firmware is started, the basic function program partition is created in the RAM memory, and the upgrade program partition is created in the RAM memory.
In this embodiment, after the firmware is started, a basic function program partition is created in the RAM memory, and an upgrade program partition is created in the RAM memory; it can be understood that the RAM memory is a random access memory, and the memory content in the RAM memory is lost after power failure, so after each firmware boot, corresponding basic function program partitions and upgrade program partitions need to be created in the RAM memory again, and specifically, corresponding program codes can be copied from the Flash memory and stored in the RAM memory.
In this embodiment, the creating the basic function program partition in the RAM memory may include: acquiring an address of a target function interface; determining the basic function program corresponding to the target function interface from the Flash memory based on the address of the target function interface; copying the basic function program to the RAM memory to create the basic function program partition. It can be understood that the target function interface is an interface for maintaining normal operation of the firmware, and may be selectively allocated by a user as required, and the address of the target function interface is obtained through the function interface allocated by the user, and then a program corresponding to the target function interface is determined from the Flash memory as a basic function program based on the address of the target function interface, and the basic function program is copied to the RAM memory to create a basic function program partition.
In this embodiment, the creating the upgrade program partition in the RAM memory may include: acquiring an address of a target upgrading interface; determining the upgrading program corresponding to the target upgrading interface from the Flash memory based on the address of the target upgrading interface; copying the upgrade program to the RAM memory to create the upgrade program partition. It can be understood that the upgrade program partition is created by obtaining an address of a target upgrade interface for receiving an upgrade file and performing upgrade, then determining a program corresponding to the target upgrade interface from a Flash memory as an upgrade program based on the address of the target upgrade interface, and copying the upgrade program to a RAM memory.
In this embodiment, after the firmware is started, the method may further include: a first data partition is created in the RAM memory to store global variable and function parameter values. It can be understood that after the firmware is started, a first data partition is created in the RAM memory, and the first data partition is used to store the running data such as the global variable and the function parameter value generated by the firmware during the running process.
Step S22: and calling the basic function program in the basic function program partition in the RAM memory to realize the basic function of the firmware.
Step S23: and calling the application program in the application program partition in the Flash memory, and realizing all functions of the firmware based on the application program and the basic function program.
In this embodiment, all functions of the firmware can be realized by calling an application program in an application program partition of a Flash memory and then running the application program and the basic function program; that is, in this embodiment, the target upgrade interface and the basic function interface are placed in the RAM memory to operate, and the rest function interfaces are still operated in the Flash memory, and after the firmware is started, by operating the application program in the Flash memory and the basic function program in the RAM memory, all functions of the firmware can be implemented.
In this embodiment, the Flash memory further includes a second data partition, configured to store the configuration file of the firmware. The Flash memory comprises an application program partition and a second data partition, wherein the second data partition is used for storing configuration files, configuration parameters and the like of the firmware. Specifically, the partition structures of the RAM memory and the Flash memory in the embedded device of the firmware are shown in fig. 3, the RAM memory includes an upgrade program partition for acquiring an upgrade file and performing upgrade processing, a basic function program partition for maintaining basic operation of the firmware, and a first data partition for storing operation data; compared with the prior art, the Flash memory does not design a bootloader code segment and an application program backup area, and the dependence on Flash resources can be reduced by the method.
Step S24: when a firmware upgrading instruction is obtained, calling an upgrading program in an upgrading program partition in the RAM memory to obtain upgrading file data;
step S25: and erasing and/or writing the application program in the application program partition in the Flash memory based on the upgrade file data so as to upgrade the firmware.
As shown in the flowchart of firmware operation and upgrade shown in fig. 4, it can be understood that after the firmware is started, all functions of the firmware can be implemented by operating the application program in the Flash memory and the basic function program in the RAM memory, and after receiving an upgrade instruction, the upgrade program in the RAM memory is called to receive upgrade file data, and the application program in the Flash memory is erased and/or written based on the upgrade file data, at this time, the application program in the Flash memory cannot be operated, but the basic function program in the RAM memory is in an operation state, so that the basic functions of the firmware can be ensured not to be affected by upgrade; and if the upgrading instruction is not received, continuing to run the application program in the Flash memory and the basic function program in the RAM memory.
For the specific processes of step S22, step S24 and step S25, reference may be made to the corresponding contents disclosed in the foregoing embodiments, and details are not repeated here.
As can be seen from the above, in this embodiment, after the firmware is started, the basic function program partition and the upgrade program partition are created in the RAM memory, all functions of the firmware are implemented by running the basic function program in the RAM memory and the application program in the Flash memory, and after a firmware upgrade instruction is received, when the application program is rewritten based on upgrade file data, the basic function of the firmware is maintained by running the basic function program, so that the normal operation of the firmware is not affected in the upgrade process.
Correspondingly, an embodiment of the present application further discloses a firmware upgrading apparatus, as shown in fig. 5, the apparatus includes:
a first calling module 11, configured to call a basic function program in a basic function program partition in the RAM memory to implement a basic function of the firmware;
the second calling module 12 is configured to, when a firmware upgrade instruction is obtained, call an upgrade program in an upgrade program partition in the RAM memory to obtain upgrade file data;
and the upgrading module 13 is configured to erase and/or write the application program in the application program partition in the Flash memory based on the upgrade file data, so as to upgrade the firmware.
In some specific embodiments, the first invoking module 11 may specifically include:
and the first calling unit is used for calling the application program in the application program partition in the Flash memory and realizing all functions of the firmware based on the application program and the basic function program.
In some embodiments, the firmware upgrading apparatus may specifically include:
a program partition creating module, configured to create the basic function program partition in the RAM memory and create the upgraded program partition in the RAM memory after the firmware is started;
wherein the program partition creating module may include:
the first establishing unit is used for acquiring the address of the target function interface; determining the basic function program corresponding to the target function interface from the Flash memory based on the address of the target function interface; copying the basic function program to the RAM memory to create the basic function program partition.
The second establishing unit is used for acquiring the address of the target upgrading interface; determining the upgrading program corresponding to the target upgrading interface from the Flash memory based on the address of the target upgrading interface; copying the upgrade program to the RAM memory to create the upgrade program partition.
A third creating unit for creating a first data partition in the RAM memory so as to store global variables and function parameter values.
Further, the embodiment of the present application also discloses an electronic device, which is shown in fig. 6, and the content in the drawing cannot be considered as any limitation to the application scope.
Fig. 6 is a schematic structural diagram of an electronic device 20 according to an embodiment of the present disclosure. The electronic device 20 may specifically include: at least one processor 21, at least one memory 22, a power supply 23, a communication interface 24, an input output interface 25, and a communication bus 26. Wherein, the memory 22 is used for storing a computer program, and the computer program is loaded and executed by the processor 21 to implement the relevant steps in the firmware upgrading method disclosed in any of the foregoing embodiments.
In this embodiment, the power supply 23 is configured to provide a working voltage for each hardware device on the electronic device 20; the communication interface 24 can create a data transmission channel between the electronic device 20 and an external device, and a communication protocol followed by the communication interface is any communication protocol that can be applied to the technical solution of the present application, and is not specifically limited herein; the input/output interface 25 is configured to obtain external input data or output data to the outside, and a specific interface type thereof may be selected according to specific application requirements, which is not specifically limited herein.
In addition, the storage 22 is used as a carrier for resource storage, and may be a read-only memory, a random access memory, a magnetic disk or an optical disk, etc., where the stored resources include an operating system 221, a computer program 222, data 223 including upgrade file data, etc., and the storage may be a transient storage or a permanent storage.
The operating system 221 is used for managing and controlling each hardware device and the computer program 222 on the electronic device 20, so as to realize the operation and processing of the mass data 223 in the memory 22 by the processor 21, and may be Windows Server, Netware, Unix, Linux, and the like. The computer program 222 may further include a computer program that can be used to perform other specific tasks in addition to the computer program that can be used to perform the firmware upgrade method performed by the electronic device 20 disclosed in any of the foregoing embodiments.
Further, an embodiment of the present application further discloses a computer storage medium, where computer-executable instructions are stored in the computer storage medium, and when the computer-executable instructions are loaded and executed by a processor, the steps of the firmware upgrading method disclosed in any of the foregoing embodiments are implemented.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
Finally, it should also be noted that, in this document, 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above detailed description is provided for a firmware upgrading method, apparatus, device and medium provided by the present invention, and a specific example is applied in the present document to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. A method for firmware upgrade, comprising:
calling a basic function program in a basic function program partition in a RAM memory to realize the basic function of the firmware;
when a firmware upgrading instruction is obtained, calling an upgrading program in an upgrading program partition in the RAM memory to obtain upgrading file data;
erasing and/or writing the application program in the application program partition in the Flash memory based on the upgrade file data so as to upgrade the firmware;
before calling the basic function program in the basic function program partition in the RAM memory, the method further includes:
after the firmware is started, creating the basic function program partition in the RAM memory, and creating the upgrading program partition in the RAM memory;
before the obtaining of the firmware upgrade instruction, the method further includes:
and calling the application program in the application program partition in the Flash memory, and realizing all functions of the firmware based on the application program and the basic function program.
2. The firmware upgrade method according to claim 1, wherein the creating the basic function program partition in the RAM memory comprises:
acquiring an address of a target function interface;
determining the basic function program corresponding to the target function interface from the Flash memory based on the address of the target function interface;
copying the basic function program to the RAM memory to create the basic function program partition.
3. The firmware upgrade method according to claim 1, wherein the creating the upgrade program partition in the RAM memory includes:
acquiring an address of a target upgrading interface;
determining the upgrading program corresponding to the target upgrading interface from the Flash memory based on the address of the target upgrading interface;
copying the upgrade program to the RAM memory to create the upgrade program partition.
4. The firmware upgrade method according to any one of claims 1 to 3, further comprising, after the firmware is started:
a first data partition is created in the RAM memory to store global variable and function parameter values.
5. The firmware upgrade method according to any one of claims 1 to 3, wherein the Flash memory further comprises a second data partition for storing a configuration file of the firmware.
6. A firmware upgrade apparatus, comprising:
the first calling module is used for calling the basic function program in the basic function program partition in the RAM memory so as to realize the basic function of the firmware;
the second calling module is used for calling the upgrading program in the upgrading program partition in the RAM memory to obtain upgrading file data when the firmware upgrading instruction is obtained;
the upgrading module is used for erasing and/or writing the application program in the application program partition in the Flash memory based on the upgrading file data so as to upgrade the firmware;
before calling the basic function program in the basic function program partition in the RAM memory, after the firmware is started, the firmware upgrading device is further used for creating the basic function program partition in the RAM memory and creating the upgrading program partition in the RAM memory;
the firmware upgrading device is further configured to call the application program in the application program partition in the Flash memory before a firmware upgrading instruction is obtained, and implement all functions of the firmware based on the application program and the basic function program.
7. An electronic device, comprising:
a memory for storing a computer program;
a processor for executing the computer program to implement the firmware upgrade method as claimed in any one of claims 1 to 5.
8. A computer-readable storage medium for storing a computer program; wherein the computer program when executed by the processor implements a firmware upgrade method as claimed in any one of claims 1 to 5.
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| CN116541042B (en) * | 2023-05-25 | 2024-01-16 | 深圳市航顺芯片技术研发有限公司 | Firmware upgrading method, control chip and intelligent household appliance |
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| CN102880478B (en) * | 2011-07-15 | 2015-11-25 | 启碁科技股份有限公司 | Oftware updating method |
| CN103809995A (en) * | 2012-11-15 | 2014-05-21 | 海尔集团公司 | Single chip microcomputer as well as online upgrading method and online upgrading method of single chip microcomputer |
| TW201441932A (en) * | 2013-04-19 | 2014-11-01 | Nuvoton Technology Corp | Processing devices and system program updating methods |
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| TWI722269B (en) * | 2018-01-26 | 2021-03-21 | 和碩聯合科技股份有限公司 | Firmware updating method and electronic device using the same |
| CN110244971A (en) * | 2019-05-28 | 2019-09-17 | 湖北三江航天险峰电子信息有限公司 | A kind of On-line Product upgrade-system and method based on multiple load |
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Address after: Room 604 and 605, building 1, Zhejiang nongkechuang garden, No. 768, Jianghong Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Mirui Technology Co.,Ltd. Address before: Room 604 and 605, building 1, Zhejiang nongkechuang garden, No. 768, Jianghong Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Applicant before: HANGZHOU MEARI TECHNOLOGY Co.,Ltd. |
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